diff options
Diffstat (limited to 'dts/Bindings/gpio')
50 files changed, 1836 insertions, 531 deletions
diff --git a/dts/Bindings/gpio/adi,ds4520-gpio.yaml b/dts/Bindings/gpio/adi,ds4520-gpio.yaml new file mode 100644 index 0000000000..25b3198c4d --- /dev/null +++ b/dts/Bindings/gpio/adi,ds4520-gpio.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/adi,ds4520-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: DS4520 I2C GPIO expander + +maintainers: + - Okan Sahin <okan.sahin@analog.com> + +properties: + compatible: + enum: + - adi,ds4520-gpio + + reg: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + ngpios: + minimum: 1 + maximum: 9 + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - ngpios + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + gpio@50 { + compatible = "adi,ds4520-gpio"; + reg = <0x50>; + ngpios = <9>; + gpio-controller; + #gpio-cells = <2>; + }; + }; diff --git a/dts/Bindings/gpio/brcm,bcm6345-gpio.yaml b/dts/Bindings/gpio/brcm,bcm63xx-gpio.yaml index 4d69f79df8..62fcc2bd5d 100644 --- a/dts/Bindings/gpio/brcm,bcm6345-gpio.yaml +++ b/dts/Bindings/gpio/brcm,bcm63xx-gpio.yaml @@ -1,10 +1,10 @@ # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause %YAML 1.2 --- -$id: http://devicetree.org/schemas/gpio/brcm,bcm6345-gpio.yaml# +$id: http://devicetree.org/schemas/gpio/brcm,bcm63xx-gpio.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Broadcom BCM6345 GPIO controller +title: Broadcom BCM63xx GPIO controller maintainers: - Álvaro Fernández Rojas <noltari@gmail.com> @@ -18,8 +18,6 @@ description: |+ BCM6338 have 8-bit data and dirout registers, where GPIO state can be read and/or written, and the direction changed from input to output. - BCM6345 have 16-bit data and dirout registers, where GPIO state can be read - and/or written, and the direction changed from input to output. BCM6318, BCM6328, BCM6358, BCM6362, BCM6368 and BCM63268 have 32-bit data and dirout registers, where GPIO state can be read and/or written, and the direction changed from input to output. @@ -29,7 +27,6 @@ properties: enum: - brcm,bcm6318-gpio - brcm,bcm6328-gpio - - brcm,bcm6345-gpio - brcm,bcm6358-gpio - brcm,bcm6362-gpio - brcm,bcm6368-gpio @@ -64,17 +61,6 @@ additionalProperties: false examples: - | - gpio@fffe0406 { - compatible = "brcm,bcm6345-gpio"; - reg-names = "dirout", "dat"; - reg = <0xfffe0406 2>, <0xfffe040a 2>; - native-endian; - - gpio-controller; - #gpio-cells = <2>; - }; - - - | gpio@0 { compatible = "brcm,bcm63268-gpio"; reg-names = "dirout", "dat"; diff --git a/dts/Bindings/gpio/brcm,brcmstb-gpio.yaml b/dts/Bindings/gpio/brcm,brcmstb-gpio.yaml index 4a896ff7ed..a1e71c974e 100644 --- a/dts/Bindings/gpio/brcm,brcmstb-gpio.yaml +++ b/dts/Bindings/gpio/brcm,brcmstb-gpio.yaml @@ -72,7 +72,7 @@ required: - reg - gpio-controller - "#gpio-cells" - - "brcm,gpio-bank-widths" + - brcm,gpio-bank-widths additionalProperties: false diff --git a/dts/Bindings/gpio/brcm,kona-gpio.txt b/dts/Bindings/gpio/brcm,kona-gpio.txt deleted file mode 100644 index 4a63bc96b6..0000000000 --- a/dts/Bindings/gpio/brcm,kona-gpio.txt +++ /dev/null @@ -1,52 +0,0 @@ -Broadcom Kona Family GPIO -========================= - -This GPIO driver is used in the following Broadcom SoCs: - BCM11130, BCM11140, BCM11351, BCM28145, BCM28155 - -The Broadcom GPIO Controller IP can be configured prior to synthesis to -support up to 8 banks of 32 GPIOs where each bank has its own IRQ. The -GPIO controller only supports edge, not level, triggering of interrupts. - -Required properties -------------------- - -- compatible: "brcm,bcm11351-gpio", "brcm,kona-gpio" -- reg: Physical base address and length of the controller's registers. -- interrupts: The interrupt outputs from the controller. There is one GPIO - interrupt per GPIO bank. The number of interrupts listed depends on the - number of GPIO banks on the SoC. The interrupts must be ordered by bank, - starting with bank 0. There is always a 1:1 mapping between banks and - IRQs. -- #gpio-cells: Should be <2>. The first cell is the pin number, the second - cell is used to specify optional parameters: - - bit 0 specifies polarity (0 for normal, 1 for inverted) - See also "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt. -- #interrupt-cells: Should be <2>. The first cell is the GPIO number. The - second cell is used to specify flags. The following subset of flags is - supported: - - trigger type (bits[1:0]): - 1 = low-to-high edge triggered. - 2 = high-to-low edge triggered. - 3 = low-to-high or high-to-low edge triggered - Valid values are 1, 2, 3 - See also .../devicetree/bindings/interrupt-controller/interrupts.txt. -- gpio-controller: Marks the device node as a GPIO controller. -- interrupt-controller: Marks the device node as an interrupt controller. - -Example: - gpio: gpio@35003000 { - compatible = "brcm,bcm11351-gpio", "brcm,kona-gpio"; - reg = <0x35003000 0x800>; - interrupts = - <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH - GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH - GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH - GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH - GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH - GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>; - #gpio-cells = <2>; - #interrupt-cells = <2>; - gpio-controller; - interrupt-controller; - }; diff --git a/dts/Bindings/gpio/brcm,kona-gpio.yaml b/dts/Bindings/gpio/brcm,kona-gpio.yaml new file mode 100644 index 0000000000..296fdd6b8f --- /dev/null +++ b/dts/Bindings/gpio/brcm,kona-gpio.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/brcm,kona-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom Kona family GPIO controller + +description: + The Broadcom GPIO Controller IP can be configured prior to synthesis to + support up to 8 banks of 32 GPIOs where each bank has its own IRQ. The + GPIO controller only supports edge, not level, triggering of interrupts. + +maintainers: + - Ray Jui <rjui@broadcom.com> + +properties: + compatible: + items: + - enum: + - brcm,bcm11351-gpio + - brcm,bcm21664-gpio + - brcm,bcm23550-gpio + - const: brcm,kona-gpio + + reg: + maxItems: 1 + + interrupts: + minItems: 4 + maxItems: 6 + description: + The interrupt outputs from the controller. There is one GPIO interrupt + per GPIO bank. The number of interrupts listed depends on the number of + GPIO banks on the SoC. The interrupts must be ordered by bank, starting + with bank 0. There is always a 1:1 mapping between banks and IRQs. + + '#gpio-cells': + const: 2 + + '#interrupt-cells': + const: 2 + + gpio-controller: true + + interrupt-controller: true + +required: + - compatible + - reg + - interrupts + - '#gpio-cells' + - '#interrupt-cells' + - gpio-controller + - interrupt-controller + +allOf: + - if: + properties: + compatible: + contains: + const: brcm,bcm11351-gpio + then: + properties: + interrupts: + minItems: 6 + - if: + properties: + compatible: + contains: + enum: + - brcm,bcm21664-gpio + - brcm,bcm23550-gpio + then: + properties: + interrupts: + maxItems: 4 + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + + gpio@35003000 { + compatible = "brcm,bcm11351-gpio", "brcm,kona-gpio"; + reg = <0x35003000 0x800>; + interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>; + #gpio-cells = <2>; + #interrupt-cells = <2>; + gpio-controller; + interrupt-controller; + }; +... diff --git a/dts/Bindings/gpio/fairchild,74hc595.yaml b/dts/Bindings/gpio/fairchild,74hc595.yaml index a99e7842ca..c0ad70e66f 100644 --- a/dts/Bindings/gpio/fairchild,74hc595.yaml +++ b/dts/Bindings/gpio/fairchild,74hc595.yaml @@ -33,8 +33,6 @@ properties: description: GPIO connected to the OE (Output Enable) pin. maxItems: 1 - spi-max-frequency: true - patternProperties: "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$": type: object @@ -59,7 +57,10 @@ required: - '#gpio-cells' - registers-number -additionalProperties: false +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false examples: - | diff --git a/dts/Bindings/gpio/fcs,fxl6408.yaml b/dts/Bindings/gpio/fcs,fxl6408.yaml new file mode 100644 index 0000000000..65b6970e42 --- /dev/null +++ b/dts/Bindings/gpio/fcs,fxl6408.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/fcs,fxl6408.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Fairchild FXL6408 I2C GPIO Expander + +maintainers: + - Emanuele Ghidoli <emanuele.ghidoli@toradex.com> + +properties: + compatible: + enum: + - fcs,fxl6408 + + reg: + maxItems: 1 + + "#gpio-cells": + const: 2 + + gpio-controller: true + + gpio-line-names: + minItems: 1 + maxItems: 8 + +patternProperties: + "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$": + required: + - gpio-hog + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + gpio_expander_43: gpio-expander@43 { + compatible = "fcs,fxl6408"; + reg = <0x43>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "Wi-Fi_W_DISABLE", "Wi-Fi_WKUP_WLAN", + "PWR_EN_+V3.3_WiFi_N", "PCIe_REF_CLK_EN", + "USB_RESET_N", "USB_BYPASS_N", "Wi-Fi_PDn", + "Wi-Fi_WKUP_BT"; + }; + }; diff --git a/dts/Bindings/gpio/fsl,imx8qxp-sc-gpio.yaml b/dts/Bindings/gpio/fsl,imx8qxp-sc-gpio.yaml new file mode 100644 index 0000000000..b7b3222093 --- /dev/null +++ b/dts/Bindings/gpio/fsl,imx8qxp-sc-gpio.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/fsl,imx8qxp-sc-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GPIO driver over IMX SCU firmware API + +maintainers: + - Shenwei Wang <shenwei.wang@nxp.com> + +description: | + This module provides the standard interface to control the + resource pins in SCU domain on i.MX8 platforms. + +properties: + compatible: + enum: + - fsl,imx8qxp-sc-gpio + + "#gpio-cells": + const: 2 + + gpio-controller: true + +required: + - compatible + - "#gpio-cells" + - gpio-controller + +additionalProperties: false + +examples: + - | + gpio0: gpio { + compatible = "fsl,imx8qxp-sc-gpio"; + gpio-controller; + #gpio-cells = <2>; + }; diff --git a/dts/Bindings/gpio/fsl-imx-gpio.yaml b/dts/Bindings/gpio/fsl-imx-gpio.yaml index ae18603697..918776d16e 100644 --- a/dts/Bindings/gpio/fsl-imx-gpio.yaml +++ b/dts/Bindings/gpio/fsl-imx-gpio.yaml @@ -19,10 +19,18 @@ properties: - fsl,imx35-gpio - fsl,imx7d-gpio - items: + - enum: + - fsl,imx27-gpio + - const: fsl,imx21-gpio + - items: - const: fsl,imx35-gpio - const: fsl,imx31-gpio - items: - enum: + - fsl,imx25-gpio + - const: fsl,imx35-gpio + - items: + - enum: - fsl,imx50-gpio - fsl,imx51-gpio - fsl,imx53-gpio @@ -32,10 +40,12 @@ properties: - fsl,imx6sx-gpio - fsl,imx6ul-gpio - fsl,imx7d-gpio + - fsl,imx8dxl-gpio - fsl,imx8mm-gpio - fsl,imx8mn-gpio - fsl,imx8mp-gpio - fsl,imx8mq-gpio + - fsl,imx8qm-gpio - fsl,imx8qxp-gpio - fsl,imxrt1050-gpio - fsl,imxrt1170-gpio diff --git a/dts/Bindings/gpio/fujitsu,mb86s70-gpio.txt b/dts/Bindings/gpio/fujitsu,mb86s70-gpio.txt deleted file mode 100644 index bef353f370..0000000000 --- a/dts/Bindings/gpio/fujitsu,mb86s70-gpio.txt +++ /dev/null @@ -1,20 +0,0 @@ -Fujitsu MB86S7x GPIO Controller -------------------------------- - -Required properties: -- compatible: Should be "fujitsu,mb86s70-gpio" -- reg: Base address and length of register space -- clocks: Specify the clock -- gpio-controller: Marks the device node as a gpio controller. -- #gpio-cells: Should be <2>. The first cell is the pin number and the - second cell is used to specify optional parameters: - - bit 0 specifies polarity (0 for normal, 1 for inverted). - -Examples: - gpio0: gpio@31000000 { - compatible = "fujitsu,mb86s70-gpio"; - reg = <0 0x31000000 0x10000>; - gpio-controller; - #gpio-cells = <2>; - clocks = <&clk 0 2 1>; - }; diff --git a/dts/Bindings/gpio/fujitsu,mb86s70-gpio.yaml b/dts/Bindings/gpio/fujitsu,mb86s70-gpio.yaml new file mode 100644 index 0000000000..d18d952854 --- /dev/null +++ b/dts/Bindings/gpio/fujitsu,mb86s70-gpio.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/fujitsu,mb86s70-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Fujitsu MB86S7x GPIO Controller + +maintainers: + - Jassi Brar <jaswinder.singh@linaro.org> + +properties: + compatible: + oneOf: + - items: + - const: socionext,synquacer-gpio + - const: fujitsu,mb86s70-gpio + - const: fujitsu,mb86s70-gpio + + reg: + maxItems: 1 + + '#gpio-cells': + const: 2 + + gpio-controller: true + gpio-line-names: true + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - '#gpio-cells' + - gpio-controller + - clocks + +additionalProperties: false + +examples: + - | + gpio@31000000 { + compatible = "fujitsu,mb86s70-gpio"; + reg = <0x31000000 0x10000>; + gpio-controller; + #gpio-cells = <2>; + clocks = <&clk 0 2 1>; + }; +... diff --git a/dts/Bindings/gpio/gpio-davinci.yaml b/dts/Bindings/gpio/gpio-davinci.yaml index f32e09ef93..10e56cf306 100644 --- a/dts/Bindings/gpio/gpio-davinci.yaml +++ b/dts/Bindings/gpio/gpio-davinci.yaml @@ -35,7 +35,7 @@ properties: gpio-line-names: description: strings describing the names of each gpio line. minItems: 1 - maxItems: 100 + maxItems: 144 "#gpio-cells": const: 2 diff --git a/dts/Bindings/gpio/gpio-delay.yaml b/dts/Bindings/gpio/gpio-delay.yaml new file mode 100644 index 0000000000..1cebc4058e --- /dev/null +++ b/dts/Bindings/gpio/gpio-delay.yaml @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-delay.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GPIO delay controller + +maintainers: + - Alexander Stein <linux@ew.tq-group.com> + +description: | + This binding describes an electrical setup where setting an GPIO output + is delayed by some external setup, e.g. RC circuit. + + +----------+ +-----------+ + | | VCC_B | | + | | | | | + | | VCC_A _ | | + | GPIO | | | R | Consumer | + |controller| ___ |_| | | + | | | | | | | + | [IOx|-------| |--+-----|-----+ | + | | |___| | | input | + | | | | | + +----------+ --- C +-----------+ + --- + | + - + GND + + If the input on the consumer is controlled by an open-drain signal + attached to an RC circuit the ramp-up delay is not under control + of the GPIO controller. + +properties: + compatible: + const: gpio-delay + + "#gpio-cells": + description: | + Specifies the pin, ramp-up and ramp-down delays. The + delays are specified in microseconds. + const: 3 + + gpios: + description: Array of GPIOs which output signal change is delayed + minItems: 1 + maxItems: 32 + + gpio-controller: true + + gpio-line-names: + minItems: 1 + maxItems: 32 + +required: + - compatible + - "#gpio-cells" + - gpio-controller + - gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + enable_delay: enable-delay { + compatible = "gpio-delay"; + #gpio-cells = <3>; + gpio-controller; + gpios = <&gpio0 3 GPIO_ACTIVE_LOW>, + <&gpio3 1 GPIO_ACTIVE_HIGH>; + }; + + consumer { + enable-gpios = <&enable_delay 0 130000 30000>; + }; diff --git a/dts/Bindings/gpio/gpio-eic-sprd.txt b/dts/Bindings/gpio/gpio-eic-sprd.txt deleted file mode 100644 index 54040a2bfe..0000000000 --- a/dts/Bindings/gpio/gpio-eic-sprd.txt +++ /dev/null @@ -1,97 +0,0 @@ -Spreadtrum EIC controller bindings - -The EIC is the abbreviation of external interrupt controller, which can -be used only in input mode. The Spreadtrum platform has 2 EIC controllers, -one is in digital chip, and another one is in PMIC. The digital chip EIC -controller contains 4 sub-modules: EIC-debounce, EIC-latch, EIC-async and -EIC-sync. But the PMIC EIC controller contains only one EIC-debounce sub- -module. - -The EIC-debounce sub-module provides up to 8 source input signal -connections. A debounce mechanism is used to capture the input signals' -stable status (millisecond resolution) and a single-trigger mechanism -is introduced into this sub-module to enhance the input event detection -reliability. In addition, this sub-module's clock can be shut off -automatically to reduce power dissipation. Moreover the debounce range -is from 1ms to 4s with a step size of 1ms. The input signal will be -ignored if it is asserted for less than 1 ms. - -The EIC-latch sub-module is used to latch some special power down signals -and generate interrupts, since the EIC-latch does not depend on the APB -clock to capture signals. - -The EIC-async sub-module uses a 32kHz clock to capture the short signals -(microsecond resolution) to generate interrupts by level or edge trigger. - -The EIC-sync is similar with GPIO's input function, which is a synchronized -signal input register. It can generate interrupts by level or edge trigger -when detecting input signals. - -Required properties: -- compatible: Should be one of the following: - "sprd,sc9860-eic-debounce", - "sprd,sc9860-eic-latch", - "sprd,sc9860-eic-async", - "sprd,sc9860-eic-sync", - "sprd,sc2731-eic". -- reg: Define the base and range of the I/O address space containing - the GPIO controller registers. -- gpio-controller: Marks the device node as a GPIO controller. -- #gpio-cells: Should be <2>. The first cell is the gpio number and - the second cell is used to specify optional parameters. -- interrupt-controller: Marks the device node as an interrupt controller. -- #interrupt-cells: Should be <2>. Specifies the number of cells needed - to encode interrupt source. -- interrupts: Should be the port interrupt shared by all the gpios. - -Example: - eic_debounce: gpio@40210000 { - compatible = "sprd,sc9860-eic-debounce"; - reg = <0 0x40210000 0 0x80>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>; - }; - - eic_latch: gpio@40210080 { - compatible = "sprd,sc9860-eic-latch"; - reg = <0 0x40210080 0 0x20>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>; - }; - - eic_async: gpio@402100a0 { - compatible = "sprd,sc9860-eic-async"; - reg = <0 0x402100a0 0 0x20>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>; - }; - - eic_sync: gpio@402100c0 { - compatible = "sprd,sc9860-eic-sync"; - reg = <0 0x402100c0 0 0x20>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>; - }; - - pmic_eic: gpio@300 { - compatible = "sprd,sc2731-eic"; - reg = <0x300>; - interrupt-parent = <&sc2731_pmic>; - interrupts = <5 IRQ_TYPE_LEVEL_HIGH>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - }; diff --git a/dts/Bindings/gpio/gpio-ep9301.yaml b/dts/Bindings/gpio/gpio-ep9301.yaml new file mode 100644 index 0000000000..daadfb4926 --- /dev/null +++ b/dts/Bindings/gpio/gpio-ep9301.yaml @@ -0,0 +1,154 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-ep9301.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: EP93xx GPIO controller + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + - Bartosz Golaszewski <brgl@bgdev.pl> + - Nikita Shubin <nikita.shubin@maquefel.me> + +properties: + compatible: + oneOf: + - const: cirrus,ep9301-gpio + - items: + - enum: + - cirrus,ep9302-gpio + - cirrus,ep9307-gpio + - cirrus,ep9312-gpio + - cirrus,ep9315-gpio + - const: cirrus,ep9301-gpio + + reg: + minItems: 2 + items: + - description: data register + - description: direction register + - description: interrupt registers base + + reg-names: + minItems: 2 + items: + - const: data + - const: dir + - const: intr + + gpio-controller: true + + gpio-ranges: true + + "#gpio-cells": + const: 2 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + interrupts: + oneOf: + - maxItems: 1 + - description: port F has dedicated irq line for each gpio line + maxItems: 8 + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + +additionalProperties: false + +examples: + - | + gpio@80840000 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840000 0x04>, + <0x80840010 0x04>, + <0x80840090 0x1c>; + reg-names = "data", "dir", "intr"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + interrupt-parent = <&vic1>; + interrupts = <27>; + }; + + gpio@80840004 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840004 0x04>, + <0x80840014 0x04>, + <0x808400ac 0x1c>; + reg-names = "data", "dir", "intr"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + interrupt-parent = <&vic1>; + interrupts = <27>; + }; + + gpio@80840008 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840008 0x04>, + <0x80840018 0x04>; + reg-names = "data", "dir"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@8084000c { + compatible = "cirrus,ep9301-gpio"; + reg = <0x8084000c 0x04>, + <0x8084001c 0x04>; + reg-names = "data", "dir"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@80840020 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840020 0x04>, + <0x80840024 0x04>; + reg-names = "data", "dir"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@80840030 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840030 0x04>, + <0x80840034 0x04>, + <0x8084004c 0x1c>; + reg-names = "data", "dir", "intr"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + interrupts-extended = <&vic0 19>, <&vic0 20>, + <&vic0 21>, <&vic0 22>, + <&vic1 15>, <&vic1 16>, + <&vic1 17>, <&vic1 18>; + }; + + gpio@80840038 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840038 0x04>, + <0x8084003c 0x04>; + reg-names = "data", "dir"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@80840040 { + compatible = "cirrus,ep9301-gpio"; + reg = <0x80840040 0x04>, + <0x80840044 0x04>; + reg-names = "data", "dir"; + gpio-controller; + #gpio-cells = <2>; + }; + +... diff --git a/dts/Bindings/gpio/gpio-latch.yaml b/dts/Bindings/gpio/gpio-latch.yaml new file mode 100644 index 0000000000..1ed82a2ceb --- /dev/null +++ b/dts/Bindings/gpio/gpio-latch.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-latch.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GPIO latch controller + +maintainers: + - Sascha Hauer <s.hauer@pengutronix.de> + +description: | + This binding describes a GPIO multiplexer based on latches connected to + other GPIOs, like this: + + CLK0 ----------------------. ,--------. + CLK1 -------------------. `--------|> #0 | + | | | + OUT0 ----------------+--|-----------|D0 Q0|-----|< + OUT1 --------------+-|--|-----------|D1 Q1|-----|< + OUT2 ------------+-|-|--|-----------|D2 Q2|-----|< + OUT3 ----------+-|-|-|--|-----------|D3 Q3|-----|< + OUT4 --------+-|-|-|-|--|-----------|D4 Q4|-----|< + OUT5 ------+-|-|-|-|-|--|-----------|D5 Q5|-----|< + OUT6 ----+-|-|-|-|-|-|--|-----------|D6 Q6|-----|< + OUT7 --+-|-|-|-|-|-|-|--|-----------|D7 Q7|-----|< + | | | | | | | | | `--------' + | | | | | | | | | + | | | | | | | | | ,--------. + | | | | | | | | `-----------|> #1 | + | | | | | | | | | | + | | | | | | | `--------------|D0 Q0|-----|< + | | | | | | `----------------|D1 Q1|-----|< + | | | | | `------------------|D2 Q2|-----|< + | | | | `--------------------|D3 Q3|-----|< + | | | `----------------------|D4 Q4|-----|< + | | `------------------------|D5 Q5|-----|< + | `--------------------------|D6 Q6|-----|< + `----------------------------|D7 Q7|-----|< + `--------' + + The number of clk-gpios and latched-gpios is not fixed. The actual number + of number of latches and the number of inputs per latch is derived from + the number of GPIOs given in the corresponding device tree properties. + +properties: + compatible: + const: gpio-latch + "#gpio-cells": + const: 2 + + clk-gpios: + description: Array of GPIOs to be used to clock a latch + + latched-gpios: + description: Array of GPIOs to be used as inputs per latch + + setup-duration-ns: + description: Delay in nanoseconds to wait after the latch inputs have been + set up + + clock-duration-ns: + description: Delay in nanoseconds to wait between clock output changes + + gpio-controller: true + + gpio-line-names: true + +required: + - compatible + - "#gpio-cells" + - gpio-controller + - clk-gpios + - latched-gpios + +additionalProperties: false + +examples: + - | + gpio-latch { + #gpio-cells = <2>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_di_do_leds>; + compatible = "gpio-latch"; + gpio-controller; + setup-duration-ns = <100>; + clock-duration-ns = <100>; + + clk-gpios = <&gpio3 7 0>, <&gpio3 8 0>; + latched-gpios = <&gpio3 21 0>, <&gpio3 22 0>, + <&gpio3 23 0>, <&gpio3 24 0>, + <&gpio3 25 0>, <&gpio3 26 0>, + <&gpio3 27 0>, <&gpio3 28 0>; + }; diff --git a/dts/Bindings/gpio/gpio-mmio.yaml b/dts/Bindings/gpio/gpio-mmio.yaml new file mode 100644 index 0000000000..b394e05825 --- /dev/null +++ b/dts/Bindings/gpio/gpio-mmio.yaml @@ -0,0 +1,117 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-mmio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic MMIO GPIO + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + - Bartosz Golaszewski <brgl@bgdev.pl> + +description: + Some simple GPIO controllers may consist of a single data register or a pair + of set/clear-bit registers. Such controllers are common for glue logic in + FPGAs or ASICs. Commonly, these controllers are accessed over memory-mapped + NAND-style parallel busses. + +properties: + compatible: + enum: + - brcm,bcm6345-gpio + - ni,169445-nand-gpio + - wd,mbl-gpio # Western Digital MyBook Live memory-mapped GPIO controller + + big-endian: true + + '#gpio-cells': + const: 2 + + gpio-controller: true + + little-endian: true + + reg: + minItems: 1 + description: + A list of registers in the controller. The width of each register is + determined by its size. All registers must have the same width. The number + of GPIOs is set by the width, with bit 0 corresponding to GPIO 0. + items: + - description: + Register to READ the value of the GPIO lines. If GPIO line is high, + the bit will be set. If the GPIO line is low, the bit will be cleared. + This register may also be used to drive GPIOs if the SET register is + omitted. + - description: + Register to SET the value of the GPIO lines. Setting a bit in this + register will drive the GPIO line high. + - description: + Register to CLEAR the value of the GPIO lines. Setting a bit in this + register will drive the GPIO line low. If this register is omitted, + the SET register will be used to clear the GPIO lines as well, by + actively writing the line with 0. + - description: + Register to set the line as OUTPUT. Setting a bit in this register + will turn that line into an output line. Conversely, clearing a bit + will turn that line into an input. + - description: + Register to set this line as INPUT. Setting a bit in this register + will turn that line into an input line. Conversely, clearing a bit + will turn that line into an output. + + reg-names: + minItems: 1 + maxItems: 5 + items: + enum: + - dat + - set + - clr + - dirout + - dirin + + native-endian: true + + no-output: + $ref: /schemas/types.yaml#/definitions/flag + description: + If this property is present, the controller cannot drive the GPIO lines. + +required: + - compatible + - reg + - reg-names + - '#gpio-cells' + - gpio-controller + +additionalProperties: false + +examples: + - | + gpio@1f300010 { + compatible = "ni,169445-nand-gpio"; + reg = <0x1f300010 0x4>; + reg-names = "dat"; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@e0100000 { + compatible = "wd,mbl-gpio"; + reg-names = "dat"; + reg = <0xe0100000 0x1>; + #gpio-cells = <2>; + gpio-controller; + no-output; + }; + + gpio@fffe0406 { + compatible = "brcm,bcm6345-gpio"; + reg-names = "dirout", "dat"; + reg = <0xfffe0406 2>, <0xfffe040a 2>; + native-endian; + gpio-controller; + #gpio-cells = <2>; + }; diff --git a/dts/Bindings/gpio/gpio-pca9570.yaml b/dts/Bindings/gpio/gpio-pca9570.yaml index 1acaa0a3d3..452f8972a9 100644 --- a/dts/Bindings/gpio/gpio-pca9570.yaml +++ b/dts/Bindings/gpio/gpio-pca9570.yaml @@ -12,6 +12,7 @@ maintainers: properties: compatible: enum: + - dlg,slg7xl45106 - nxp,pca9570 - nxp,pca9571 @@ -23,6 +24,10 @@ properties: '#gpio-cells': const: 2 + gpio-line-names: + minItems: 4 + maxItems: 8 + required: - compatible - reg @@ -33,7 +38,7 @@ additionalProperties: false examples: - | - i2c0 { + i2c { #address-cells = <1>; #size-cells = <0>; diff --git a/dts/Bindings/gpio/gpio-pca95xx.yaml b/dts/Bindings/gpio/gpio-pca95xx.yaml index 977b14db09..99febb8ea1 100644 --- a/dts/Bindings/gpio/gpio-pca95xx.yaml +++ b/dts/Bindings/gpio/gpio-pca95xx.yaml @@ -15,52 +15,60 @@ description: |+ properties: compatible: - enum: - - exar,xra1202 - - maxim,max7310 - - maxim,max7312 - - maxim,max7313 - - maxim,max7315 - - maxim,max7319 - - maxim,max7320 - - maxim,max7321 - - maxim,max7322 - - maxim,max7323 - - maxim,max7324 - - maxim,max7325 - - maxim,max7326 - - maxim,max7327 - - nxp,pca6408 - - nxp,pca6416 - - nxp,pca9505 - - nxp,pca9506 - - nxp,pca9534 - - nxp,pca9535 - - nxp,pca9536 - - nxp,pca9537 - - nxp,pca9538 - - nxp,pca9539 - - nxp,pca9554 - - nxp,pca9555 - - nxp,pca9556 - - nxp,pca9557 - - nxp,pca9574 - - nxp,pca9575 - - nxp,pca9698 - - nxp,pcal6416 - - nxp,pcal6524 - - nxp,pcal9535 - - nxp,pcal9554b - - nxp,pcal9555a - - onnn,cat9554 - - onnn,pca9654 - - ti,pca6107 - - ti,pca9536 - - ti,tca6408 - - ti,tca6416 - - ti,tca6424 - - ti,tca9539 - - ti,tca9554 + oneOf: + - items: + - const: diodes,pi4ioe5v6534q + - const: nxp,pcal6534 + - items: + - enum: + - exar,xra1202 + - maxim,max7310 + - maxim,max7312 + - maxim,max7313 + - maxim,max7315 + - maxim,max7319 + - maxim,max7320 + - maxim,max7321 + - maxim,max7322 + - maxim,max7323 + - maxim,max7324 + - maxim,max7325 + - maxim,max7326 + - maxim,max7327 + - nxp,pca6408 + - nxp,pca6416 + - nxp,pca9505 + - nxp,pca9506 + - nxp,pca9534 + - nxp,pca9535 + - nxp,pca9536 + - nxp,pca9537 + - nxp,pca9538 + - nxp,pca9539 + - nxp,pca9554 + - nxp,pca9555 + - nxp,pca9556 + - nxp,pca9557 + - nxp,pca9574 + - nxp,pca9575 + - nxp,pca9698 + - nxp,pcal6408 + - nxp,pcal6416 + - nxp,pcal6524 + - nxp,pcal6534 + - nxp,pcal9535 + - nxp,pcal9554b + - nxp,pcal9555a + - onnn,cat9554 + - onnn,pca9654 + - ti,pca6107 + - ti,pca9536 + - ti,tca6408 + - ti,tca6416 + - ti,tca6424 + - ti,tca9538 + - ti,tca9539 + - ti,tca9554 reg: maxItems: 1 @@ -144,7 +152,7 @@ examples: #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/interrupt-controller/irq.h> - i2c0 { + i2c { #address-cells = <1>; #size-cells = <0>; @@ -170,7 +178,7 @@ examples: - | #include <dt-bindings/interrupt-controller/irq.h> - i2c1 { + i2c { #address-cells = <1>; #size-cells = <0>; @@ -196,7 +204,7 @@ examples: - | #include <dt-bindings/interrupt-controller/irq.h> - i2c2 { + i2c { #address-cells = <1>; #size-cells = <0>; @@ -214,7 +222,7 @@ examples: }; - | - i2c3 { + i2c { #address-cells = <1>; #size-cells = <0>; diff --git a/dts/Bindings/gpio/gpio-sprd.txt b/dts/Bindings/gpio/gpio-sprd.txt deleted file mode 100644 index eca97d4538..0000000000 --- a/dts/Bindings/gpio/gpio-sprd.txt +++ /dev/null @@ -1,28 +0,0 @@ -Spreadtrum GPIO controller bindings - -The controller's registers are organized as sets of sixteen 16-bit -registers with each set controlling a bank of up to 16 pins. A single -interrupt is shared for all of the banks handled by the controller. - -Required properties: -- compatible: Should be "sprd,sc9860-gpio". -- reg: Define the base and range of the I/O address space containing -the GPIO controller registers. -- gpio-controller: Marks the device node as a GPIO controller. -- #gpio-cells: Should be <2>. The first cell is the gpio number and -the second cell is used to specify optional parameters. -- interrupt-controller: Marks the device node as an interrupt controller. -- #interrupt-cells: Should be <2>. Specifies the number of cells needed -to encode interrupt source. -- interrupts: Should be the port interrupt shared by all the gpios. - -Example: - ap_gpio: gpio@40280000 { - compatible = "sprd,sc9860-gpio"; - reg = <0 0x40280000 0 0x1000>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>; - }; diff --git a/dts/Bindings/gpio/gpio-stmpe.txt b/dts/Bindings/gpio/gpio-stmpe.txt deleted file mode 100644 index a0e4cf8852..0000000000 --- a/dts/Bindings/gpio/gpio-stmpe.txt +++ /dev/null @@ -1,18 +0,0 @@ -STMPE gpio ----------- - -Required properties: - - compatible: "st,stmpe-gpio" - -Optional properties: - - st,norequest-mask: bitmask specifying which GPIOs should _not_ be requestable - due to different usage (e.g. touch, keypad) - -Node name must be stmpe_gpio and should be child node of stmpe node to which it -belongs. - -Example: - stmpe_gpio { - compatible = "st,stmpe-gpio"; - st,norequest-mask = <0x20>; //gpio 5 can't be used - }; diff --git a/dts/Bindings/gpio/gpio-tpic2810.yaml b/dts/Bindings/gpio/gpio-tpic2810.yaml index cb8a5c376e..157969bc4c 100644 --- a/dts/Bindings/gpio/gpio-tpic2810.yaml +++ b/dts/Bindings/gpio/gpio-tpic2810.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/gpio/gpio-tpic2810.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: TPIC2810 GPIO controller bindings +title: TPIC2810 GPIO controller maintainers: - Aswath Govindraju <a-govindraju@ti.com> diff --git a/dts/Bindings/gpio/gpio-vf610.yaml b/dts/Bindings/gpio/gpio-vf610.yaml index d2c39dba56..a27f929502 100644 --- a/dts/Bindings/gpio/gpio-vf610.yaml +++ b/dts/Bindings/gpio/gpio-vf610.yaml @@ -20,6 +20,7 @@ description: | properties: compatible: oneOf: + - const: fsl,imx8ulp-gpio - const: fsl,vf610-gpio - items: - const: fsl,imx7ulp-gpio @@ -27,16 +28,18 @@ properties: - items: - enum: - fsl,imx93-gpio - - fsl,imx8ulp-gpio - - const: fsl,imx7ulp-gpio + - fsl,imx95-gpio + - const: fsl,imx8ulp-gpio reg: - description: The first reg tuple represents the PORT module, the second tuple - represents the GPIO module. + minItems: 1 maxItems: 2 interrupts: - maxItems: 1 + items: + - description: GPIO Trustzone non-secure interrupt number + - description: GPIO Trustzone secure interrupt number + minItems: 1 interrupt-controller: true @@ -59,7 +62,15 @@ properties: - const: port gpio-ranges: - maxItems: 1 + minItems: 1 + maxItems: 4 + +patternProperties: + "^.+-hog(-[0-9]+)?$": + type: object + + required: + - gpio-hog required: - compatible @@ -70,6 +81,30 @@ required: - "#gpio-cells" - gpio-controller +allOf: + - if: + properties: + compatible: + contains: + enum: + - fsl,vf610-gpio + - fsl,imx7ulp-gpio + then: + properties: + interrupts: + maxItems: 1 + reg: + items: + - description: PORT register base address + - description: GPIO register base address + else: + properties: + interrupts: + minItems: 2 + reg: + items: + - description: GPIO register base address + additionalProperties: false examples: diff --git a/dts/Bindings/gpio/gpio-xgene-sb.txt b/dts/Bindings/gpio/gpio-xgene-sb.txt index e90fb987e2..7ddf292db1 100644 --- a/dts/Bindings/gpio/gpio-xgene-sb.txt +++ b/dts/Bindings/gpio/gpio-xgene-sb.txt @@ -27,7 +27,7 @@ Required properties: - gpio-controller: Marks the device node as a GPIO controller. - interrupts: The EXT_INT_0 parent interrupt resource must be listed first. - interrupt-cells: Should be two. - - first cell is 0-N coresponding for EXT_INT_0 to EXT_INT_N. + - first cell is 0-N corresponding for EXT_INT_0 to EXT_INT_N. - second cell is used to specify flags. - interrupt-controller: Marks the device node as an interrupt controller. - apm,nr-gpios: Optional, specify number of gpios pin. diff --git a/dts/Bindings/gpio/gpio-xilinx.txt b/dts/Bindings/gpio/gpio-xilinx.txt deleted file mode 100644 index e506f30e1a..0000000000 --- a/dts/Bindings/gpio/gpio-xilinx.txt +++ /dev/null @@ -1,48 +0,0 @@ -Xilinx plb/axi GPIO controller - -Dual channel GPIO controller with configurable number of pins -(from 1 to 32 per channel). Every pin can be configured as -input/output/tristate. Both channels share the same global IRQ but -local interrupts can be enabled on channel basis. - -Required properties: -- compatible : Should be "xlnx,xps-gpio-1.00.a" -- reg : Address and length of the register set for the device -- #gpio-cells : Should be two. The first cell is the pin number and the - second cell is used to specify optional parameters (currently unused). -- gpio-controller : Marks the device node as a GPIO controller. - -Optional properties: -- clocks : Input clock specifier. Refer to common clock bindings. -- interrupts : Interrupt mapping for GPIO IRQ. -- xlnx,all-inputs : if n-th bit is setup, GPIO-n is input -- xlnx,dout-default : if n-th bit is 1, GPIO-n default value is 1 -- xlnx,gpio-width : gpio width -- xlnx,tri-default : if n-th bit is 1, GPIO-n is in tristate mode -- xlnx,is-dual : if 1, controller also uses the second channel -- xlnx,all-inputs-2 : as above but for the second channel -- xlnx,dout-default-2 : as above but the second channel -- xlnx,gpio2-width : as above but for the second channel -- xlnx,tri-default-2 : as above but for the second channel - - -Example: -gpio: gpio@40000000 { - #gpio-cells = <2>; - compatible = "xlnx,xps-gpio-1.00.a"; - clocks = <&clkc25>; - gpio-controller ; - interrupt-parent = <µblaze_0_intc>; - interrupts = < 6 2 >; - reg = < 0x40000000 0x10000 >; - xlnx,all-inputs = <0x0>; - xlnx,all-inputs-2 = <0x0>; - xlnx,dout-default = <0x0>; - xlnx,dout-default-2 = <0x0>; - xlnx,gpio-width = <0x2>; - xlnx,gpio2-width = <0x2>; - xlnx,interrupt-present = <0x1>; - xlnx,is-dual = <0x1>; - xlnx,tri-default = <0xffffffff>; - xlnx,tri-default-2 = <0xffffffff>; -} ; diff --git a/dts/Bindings/gpio/gpio-zynq.yaml b/dts/Bindings/gpio/gpio-zynq.yaml index 29c27eadba..5e2496379a 100644 --- a/dts/Bindings/gpio/gpio-zynq.yaml +++ b/dts/Bindings/gpio/gpio-zynq.yaml @@ -4,10 +4,10 @@ $id: http://devicetree.org/schemas/gpio/gpio-zynq.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Xilinx Zynq GPIO controller Device Tree Bindings +title: Xilinx Zynq GPIO controller maintainers: - - Michal Simek <michal.simek@xilinx.com> + - Michal Simek <michal.simek@amd.com> properties: compatible: diff --git a/dts/Bindings/gpio/gpio.txt b/dts/Bindings/gpio/gpio.txt index 5663e71b75..d82c32217f 100644 --- a/dts/Bindings/gpio/gpio.txt +++ b/dts/Bindings/gpio/gpio.txt @@ -154,18 +154,35 @@ of the GPIOs that can't be used. Optionally, a GPIO controller may have a "gpio-line-names" property. This is an array of strings defining the names of the GPIO lines going out of the -GPIO controller. This name should be the most meaningful producer name -for the system, such as a rail name indicating the usage. Package names -such as pin name are discouraged: such lines have opaque names (since they -are by definition generic purpose) and such names are usually not very -helpful. For example "MMC-CD", "Red LED Vdd" and "ethernet reset" are -reasonable line names as they describe what the line is used for. "GPIO0" -is not a good name to give to a GPIO line. Placeholders are discouraged: -rather use the "" (blank string) if the use of the GPIO line is undefined -in your design. The names are assigned starting from line offset 0 from -left to right from the passed array. An incomplete array (where the number -of passed named are less than ngpios) will still be used up until the last -provided valid line index. +GPIO controller. + +For lines which are routed to on-board devices, this name should be +the most meaningful producer name for the system, such as a rail name +indicating the usage. Package names, such as a pin name, are discouraged: +such lines have opaque names (since they are by definition general-purpose) +and such names are usually not very helpful. For example "MMC-CD", "Red LED +Vdd" and "ethernet reset" are reasonable line names as they describe what +the line is used for. "GPIO0" is not a good name to give to a GPIO line +that is hard-wired to a specific device. + +However, in the case of lines that are routed to a general purpose header +(e.g. the Raspberry Pi 40-pin header), and therefore are not hard-wired to +specific devices, using a pin number or the names on the header is fine +provided these are real (preferably unique) names. Using an SoC's pad name +or package name, or names made up from kernel-internal software constructs, +are strongly discouraged. For example "pin8 [gpio14/uart0_txd]" is fine +if the board's documentation labels pin 8 as such. However "PortB_24" (an +example of a name from an SoC's reference manual) would not be desirable. + +In either case placeholders are discouraged: rather use the "" (blank +string) if the use of the GPIO line is undefined in your design. Ideally, +try to add comments to the dts file describing the naming the convention +you have chosen, and specifying from where the names are derived. + +The names are assigned starting from line offset 0, from left to right, +from the passed array. An incomplete array (where the number of passed +names is less than ngpios) will be used up until the last provided valid +line index. Example: diff --git a/dts/Bindings/gpio/gpio_oxnas.txt b/dts/Bindings/gpio/gpio_oxnas.txt deleted file mode 100644 index 966514744d..0000000000 --- a/dts/Bindings/gpio/gpio_oxnas.txt +++ /dev/null @@ -1,47 +0,0 @@ -* Oxford Semiconductor OXNAS SoC GPIO Controller - -Please refer to gpio.txt for generic information regarding GPIO bindings. - -Required properties: - - compatible: "oxsemi,ox810se-gpio" or "oxsemi,ox820-gpio" - - reg: Base address and length for the device. - - interrupts: The port interrupt shared by all pins. - - gpio-controller: Marks the port as GPIO controller. - - #gpio-cells: Two. The first cell is the pin number and - the second cell is used to specify the gpio polarity as defined in - defined in <dt-bindings/gpio/gpio.h>: - 0 = GPIO_ACTIVE_HIGH - 1 = GPIO_ACTIVE_LOW - - interrupt-controller: Marks the device node as an interrupt controller. - - #interrupt-cells: Two. The first cell is the GPIO number and second cell - is used to specify the trigger type as defined in - <dt-bindings/interrupt-controller/irq.h>: - IRQ_TYPE_EDGE_RISING - IRQ_TYPE_EDGE_FALLING - IRQ_TYPE_EDGE_BOTH - - gpio-ranges: Interaction with the PINCTRL subsystem, it also specifies the - gpio base and count, should be in the format of numeric-gpio-range as - specified in the gpio.txt file. - -Example: - -gpio0: gpio@0 { - compatible = "oxsemi,ox810se-gpio"; - reg = <0x000000 0x100000>; - interrupts = <21>; - #gpio-cells = <2>; - gpio-controller; - interrupt-controller; - #interrupt-cells = <2>; - gpio-ranges = <&pinctrl 0 0 32>; -}; - -keys { - ... - - button-esc { - label = "ESC"; - linux,code = <1>; - gpios = <&gpio0 12 0>; - }; -}; diff --git a/dts/Bindings/gpio/hisilicon,ascend910-gpio.yaml b/dts/Bindings/gpio/hisilicon,ascend910-gpio.yaml new file mode 100644 index 0000000000..735d97d645 --- /dev/null +++ b/dts/Bindings/gpio/hisilicon,ascend910-gpio.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/hisilicon,ascend910-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HiSilicon common GPIO controller + +maintainers: + - Jay Fang <f.fangjian@huawei.com> + +description: + The HiSilicon common GPIO controller can be used for many different + types of SoC such as Huawei Ascend AI series chips. + +properties: + compatible: + const: hisilicon,ascend910-gpio + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + ngpios: + minimum: 1 + maximum: 32 + +required: + - compatible + - reg + - interrupts + - gpio-controller + - "#gpio-cells" + - ngpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + gpio@840d0000 { + compatible = "hisilicon,ascend910-gpio"; + reg = <0x840d0000 0x1000>; + ngpios = <32>; + gpio-controller; + #gpio-cells = <2>; + interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>; + }; diff --git a/dts/Bindings/gpio/intel,ixp4xx-gpio.txt b/dts/Bindings/gpio/intel,ixp4xx-gpio.txt deleted file mode 100644 index 8dc41ed996..0000000000 --- a/dts/Bindings/gpio/intel,ixp4xx-gpio.txt +++ /dev/null @@ -1,38 +0,0 @@ -Intel IXP4xx XScale Networking Processors GPIO - -This GPIO controller is found in the Intel IXP4xx processors. -It supports 16 GPIO lines. - -The interrupt portions of the GPIO controller is hierarchical: -the synchronous edge detector is part of the GPIO block, but the -actual enabling/disabling of the interrupt line is done in the -main IXP4xx interrupt controller which has a 1:1 mapping for -the first 12 GPIO lines to 12 system interrupts. - -The remaining 4 GPIO lines can not be used for receiving -interrupts. - -The interrupt parent of this GPIO controller must be the -IXP4xx interrupt controller. - -Required properties: - -- compatible : Should be - "intel,ixp4xx-gpio" -- reg : Should contain registers location and length -- gpio-controller : marks this as a GPIO controller -- #gpio-cells : Should be 2, see gpio/gpio.txt -- interrupt-controller : marks this as an interrupt controller -- #interrupt-cells : a standard two-cell interrupt, see - interrupt-controller/interrupts.txt - -Example: - -gpio0: gpio@c8004000 { - compatible = "intel,ixp4xx-gpio"; - reg = <0xc8004000 0x1000>; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; -}; diff --git a/dts/Bindings/gpio/intel,ixp4xx-gpio.yaml b/dts/Bindings/gpio/intel,ixp4xx-gpio.yaml new file mode 100644 index 0000000000..bfcb1f364c --- /dev/null +++ b/dts/Bindings/gpio/intel,ixp4xx-gpio.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/intel,ixp4xx-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Intel IXP4xx XScale Networking Processors GPIO Controller + +description: | + This GPIO controller is found in the Intel IXP4xx + processors. It supports 16 GPIO lines. + The interrupt portions of the GPIO controller is hierarchical. + The synchronous edge detector is part of the GPIO block, but the + actual enabling/disabling of the interrupt line is done in the + main IXP4xx interrupt controller which has a 1-to-1 mapping for + the first 12 GPIO lines to 12 system interrupts. + The remaining 4 GPIO lines can not be used for receiving + interrupts. + The interrupt parent of this GPIO controller must be the + IXP4xx interrupt controller. + GPIO 14 and 15 can be used as clock outputs rather than GPIO, + and this can be enabled by a special flag. + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +properties: + compatible: + const: intel,ixp4xx-gpio + + reg: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + intel,ixp4xx-gpio14-clkout: + description: If defined, enables clock output on GPIO 14 + instead of GPIO. + type: boolean + + intel,ixp4xx-gpio15-clkout: + description: If defined, enables clock output on GPIO 15 + instead of GPIO. + type: boolean + +required: + - compatible + - reg + - "#gpio-cells" + - interrupt-controller + - "#interrupt-cells" + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + gpio@c8004000 { + compatible = "intel,ixp4xx-gpio"; + reg = <0xc8004000 0x1000>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; diff --git a/dts/Bindings/gpio/loongson,ls-gpio.yaml b/dts/Bindings/gpio/loongson,ls-gpio.yaml new file mode 100644 index 0000000000..cf3b1b270a --- /dev/null +++ b/dts/Bindings/gpio/loongson,ls-gpio.yaml @@ -0,0 +1,139 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/loongson,ls-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson GPIO controller. + +maintainers: + - Yinbo Zhu <zhuyinbo@loongson.cn> + +properties: + compatible: + oneOf: + - enum: + - loongson,ls2k-gpio + - loongson,ls2k0500-gpio0 + - loongson,ls2k0500-gpio1 + - loongson,ls2k2000-gpio0 + - loongson,ls2k2000-gpio1 + - loongson,ls2k2000-gpio2 + - loongson,ls3a5000-gpio + - loongson,ls7a-gpio + - items: + - const: loongson,ls2k1000-gpio + - const: loongson,ls2k-gpio + - items: + - const: loongson,ls7a1000-gpio + - const: loongson,ls7a-gpio + + reg: + maxItems: 1 + + ngpios: + minimum: 1 + maximum: 64 + + "#gpio-cells": + const: 2 + + gpio-controller: true + + gpio-ranges: true + + interrupts: + minItems: 1 + maxItems: 64 + +required: + - compatible + - reg + - ngpios + - "#gpio-cells" + - gpio-controller + - gpio-ranges + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + gpio0: gpio@1fe00500 { + compatible = "loongson,ls2k1000-gpio", "loongson,ls2k-gpio"; + reg = <0x1fe00500 0x38>; + ngpios = <64>; + #gpio-cells = <2>; + gpio-controller; + gpio-ranges = <&pctrl 0 0 15>, + <&pctrl 16 16 15>, + <&pctrl 32 32 10>, + <&pctrl 44 44 20>; + interrupt-parent = <&liointc1>; + interrupts = <28 IRQ_TYPE_LEVEL_LOW>, + <29 IRQ_TYPE_LEVEL_LOW>, + <30 IRQ_TYPE_LEVEL_LOW>, + <30 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <26 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <>, + <>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>, + <27 IRQ_TYPE_LEVEL_LOW>; + }; diff --git a/dts/Bindings/gpio/loongson,ls1x-gpio.yaml b/dts/Bindings/gpio/loongson,ls1x-gpio.yaml new file mode 100644 index 0000000000..1a472c0569 --- /dev/null +++ b/dts/Bindings/gpio/loongson,ls1x-gpio.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/loongson,ls1x-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson-1 GPIO controller + +maintainers: + - Keguang Zhang <keguang.zhang@gmail.com> + +properties: + compatible: + const: loongson,ls1x-gpio + + reg: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + ngpios: + minimum: 1 + maximum: 32 + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - ngpios + +additionalProperties: false + +examples: + - | + gpio0: gpio@1fd010c0 { + compatible = "loongson,ls1x-gpio"; + reg = <0x1fd010c0 0x4>; + + gpio-controller; + #gpio-cells = <2>; + + ngpios = <32>; + }; + +... diff --git a/dts/Bindings/gpio/microchip,mpfs-gpio.yaml b/dts/Bindings/gpio/microchip,mpfs-gpio.yaml index 110651eafa..d481e78958 100644 --- a/dts/Bindings/gpio/microchip,mpfs-gpio.yaml +++ b/dts/Bindings/gpio/microchip,mpfs-gpio.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/gpio/microchip,mpfs-gpio.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Microchip MPFS GPIO Controller Device Tree Bindings +title: Microchip MPFS GPIO Controller maintainers: - Conor Dooley <conor.dooley@microchip.com> @@ -44,6 +44,24 @@ properties: gpio-controller: true +patternProperties: + "^.+-hog(-[0-9]+)?$": + type: object + + additionalProperties: false + + properties: + gpio-hog: true + gpios: true + input: true + output-high: true + output-low: true + line-name: true + + required: + - gpio-hog + - gpios + required: - compatible - reg diff --git a/dts/Bindings/gpio/ni,169445-nand-gpio.txt b/dts/Bindings/gpio/ni,169445-nand-gpio.txt deleted file mode 100644 index ca2f8c745a..0000000000 --- a/dts/Bindings/gpio/ni,169445-nand-gpio.txt +++ /dev/null @@ -1,38 +0,0 @@ -Bindings for the National Instruments 169445 GPIO NAND controller - -The 169445 GPIO NAND controller has two memory mapped GPIO registers, one -for input (the ready signal) and one for output (control signals). It is -intended to be used with the GPIO NAND driver. - -Required properties: - - compatible: should be "ni,169445-nand-gpio" - - reg-names: must contain - "dat" - data register - - reg: address + size pairs describing the GPIO register sets; - order must correspond with the order of entries in reg-names - - #gpio-cells: must be set to 2. The first cell is the pin number and - the second cell is used to specify the gpio polarity: - 0 = active high - 1 = active low - - gpio-controller: Marks the device node as a gpio controller. - -Optional properties: - - no-output: disables driving output on the pins - -Examples: - gpio1: nand-gpio-out@1f300010 { - compatible = "ni,169445-nand-gpio"; - reg = <0x1f300010 0x4>; - reg-names = "dat"; - gpio-controller; - #gpio-cells = <2>; - }; - - gpio2: nand-gpio-in@1f300014 { - compatible = "ni,169445-nand-gpio"; - reg = <0x1f300014 0x4>; - reg-names = "dat"; - gpio-controller; - #gpio-cells = <2>; - no-output; - }; diff --git a/dts/Bindings/gpio/nuvoton,sgpio.yaml b/dts/Bindings/gpio/nuvoton,sgpio.yaml new file mode 100644 index 0000000000..9e32e54aeb --- /dev/null +++ b/dts/Bindings/gpio/nuvoton,sgpio.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/nuvoton,sgpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton SGPIO controller + +maintainers: + - Jim LIU <JJLIU0@nuvoton.com> + +description: | + This SGPIO controller is for NUVOTON NPCM7xx and NPCM8xx SoC and detailed + information is in the NPCM7XX/8XX SERIAL I/O EXPANSION INTERFACE section. + Nuvoton NPCM7xx SGPIO module is combines a serial to parallel IC (HC595) + and a parallel to serial IC (HC165). + Clock is a division of the APB3 clock. + This interface has 4 pins (D_out , D_in, S_CLK, LDSH). + NPCM7xx/NPCM8xx have two sgpio modules. Each module can support up + to 64 output pins, and up to 64 input pins, the pin is only for GPI or GPO. + GPIO pins can be programmed to support the following options + - Support interrupt option for each input port and various interrupt + sensitivity options (level-high, level-low, edge-high, edge-low) + - ngpios is number of nuvoton,input-ngpios GPIO lines and nuvoton,output-ngpios GPIO lines. + nuvoton,input-ngpios GPIO lines is only for GPI. + nuvoton,output-ngpios GPIO lines is only for GPO. + +properties: + compatible: + enum: + - nuvoton,npcm750-sgpio + - nuvoton,npcm845-sgpio + + reg: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + nuvoton,input-ngpios: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The numbers of GPIO's exposed. GPIO lines are only for GPI. + minimum: 0 + maximum: 64 + + nuvoton,output-ngpios: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The numbers of GPIO's exposed. GPIO lines are only for GPO. + minimum: 0 + maximum: 64 + +required: + - compatible + - reg + - gpio-controller + - '#gpio-cells' + - interrupts + - nuvoton,input-ngpios + - nuvoton,output-ngpios + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/nuvoton,npcm7xx-clock.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + gpio8: gpio@101000 { + compatible = "nuvoton,npcm750-sgpio"; + reg = <0x101000 0x200>; + clocks = <&clk NPCM7XX_CLK_APB3>; + interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + nuvoton,input-ngpios = <64>; + nuvoton,output-ngpios = <64>; + }; diff --git a/dts/Bindings/gpio/nxp,pcf8575.yaml b/dts/Bindings/gpio/nxp,pcf8575.yaml index f0ff66c4c7..3718103e96 100644 --- a/dts/Bindings/gpio/nxp,pcf8575.yaml +++ b/dts/Bindings/gpio/nxp,pcf8575.yaml @@ -39,6 +39,10 @@ properties: reg: maxItems: 1 + gpio-line-names: + minItems: 1 + maxItems: 16 + gpio-controller: true '#gpio-cells': diff --git a/dts/Bindings/gpio/realtek,rtd-gpio.yaml b/dts/Bindings/gpio/realtek,rtd-gpio.yaml new file mode 100644 index 0000000000..dd768db37a --- /dev/null +++ b/dts/Bindings/gpio/realtek,rtd-gpio.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2023 Realtek Semiconductor Corporation +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/realtek,rtd-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Realtek DHC GPIO controller + +maintainers: + - Tzuyi Chang <tychang@realtek.com> + +description: + The GPIO controller is designed for the Realtek DHC (Digital Home Center) + RTD series SoC family, which are high-definition media processor SoCs. + +properties: + compatible: + enum: + - realtek,rtd1295-misc-gpio + - realtek,rtd1295-iso-gpio + - realtek,rtd1315e-iso-gpio + - realtek,rtd1319-iso-gpio + - realtek,rtd1319d-iso-gpio + - realtek,rtd1395-iso-gpio + - realtek,rtd1619-iso-gpio + - realtek,rtd1619b-iso-gpio + + reg: + items: + - description: GPIO controller registers + - description: GPIO interrupt registers + + interrupts: + items: + - description: Interrupt number of the assert GPIO interrupt, which is + triggered when there is a rising edge. + - description: Interrupt number of the deassert GPIO interrupt, which is + triggered when there is a falling edge. + + gpio-ranges: true + + gpio-controller: true + + "#gpio-cells": + const: 2 + +required: + - compatible + - reg + - interrupts + - gpio-ranges + - gpio-controller + - "#gpio-cells" + +additionalProperties: false + +examples: + - | + gpio@100 { + compatible = "realtek,rtd1319d-iso-gpio"; + reg = <0x100 0x100>, + <0x0 0xb0>; + interrupt-parent = <&iso_irq_mux>; + interrupts = <19>, <20>; + gpio-ranges = <&pinctrl 0 0 82>; + gpio-controller; + #gpio-cells = <2>; + }; diff --git a/dts/Bindings/gpio/renesas,rcar-gpio.yaml b/dts/Bindings/gpio/renesas,rcar-gpio.yaml index 75e5da6a7c..aa424e2b95 100644 --- a/dts/Bindings/gpio/renesas,rcar-gpio.yaml +++ b/dts/Bindings/gpio/renesas,rcar-gpio.yaml @@ -52,6 +52,7 @@ properties: - enum: - renesas,gpio-r8a779a0 # R-Car V3U - renesas,gpio-r8a779f0 # R-Car S4-8 + - renesas,gpio-r8a779g0 # R-Car V4H - const: renesas,rcar-gen4-gpio # R-Car Gen4 reg: diff --git a/dts/Bindings/gpio/rockchip,gpio-bank.yaml b/dts/Bindings/gpio/rockchip,gpio-bank.yaml index affd823c88..d76987ce8e 100644 --- a/dts/Bindings/gpio/rockchip,gpio-bank.yaml +++ b/dts/Bindings/gpio/rockchip,gpio-bank.yaml @@ -41,6 +41,13 @@ properties: "#interrupt-cells": const: 2 +patternProperties: + "^.+-hog(-[0-9]+)?$": + type: object + + required: + - gpio-hog + required: - compatible - reg diff --git a/dts/Bindings/gpio/snps,dw-apb-gpio.yaml b/dts/Bindings/gpio/snps,dw-apb-gpio.yaml index b391cc1b45..ab2afc0e41 100644 --- a/dts/Bindings/gpio/snps,dw-apb-gpio.yaml +++ b/dts/Bindings/gpio/snps,dw-apb-gpio.yaml @@ -9,7 +9,7 @@ title: Synopsys DesignWare APB GPIO controller description: | Synopsys DesignWare GPIO controllers have a configurable number of ports, each of which are intended to be represented as child nodes with the generic - GPIO-controller properties as desribed in this bindings file. + GPIO-controller properties as described in this bindings file. maintainers: - Hoan Tran <hoan@os.amperecomputing.com> @@ -61,6 +61,12 @@ patternProperties: '#gpio-cells': const: 2 + gpio-line-names: + minItems: 1 + maxItems: 32 + + gpio-ranges: true + ngpios: default: 32 minimum: 1 diff --git a/dts/Bindings/gpio/sprd,gpio-eic.yaml b/dts/Bindings/gpio/sprd,gpio-eic.yaml new file mode 100644 index 0000000000..99fcf97077 --- /dev/null +++ b/dts/Bindings/gpio/sprd,gpio-eic.yaml @@ -0,0 +1,124 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2022 Unisoc Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/sprd,gpio-eic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Unisoc EIC controller + +maintainers: + - Orson Zhai <orsonzhai@gmail.com> + - Baolin Wang <baolin.wang7@gmail.com> + - Chunyan Zhang <zhang.lyra@gmail.com> + +description: | + The EIC is the abbreviation of external interrupt controller, which can + be used only in input mode. The Spreadtrum platform has 2 EIC controllers, + one is in digital chip, and another one is in PMIC. The digital chip EIC + controller contains 4 sub-modules, i.e. EIC-debounce, EIC-latch, EIC-async and + EIC-sync. But the PMIC EIC controller contains only one EIC-debounce sub- + module. + + The EIC-debounce sub-module provides up to 8 source input signal + connections. A debounce mechanism is used to capture the input signals' + stable status (millisecond resolution) and a single-trigger mechanism + is introduced into this sub-module to enhance the input event detection + reliability. In addition, this sub-module's clock can be shut off + automatically to reduce power dissipation. Moreover the debounce range + is from 1ms to 4s with a step size of 1ms. The input signal will be + ignored if it is asserted for less than 1 ms. + + The EIC-latch sub-module is used to latch some special power down signals + and generate interrupts, since the EIC-latch does not depend on the APB + clock to capture signals. + + The EIC-async sub-module uses a 32kHz clock to capture the short signals + (microsecond resolution) to generate interrupts by level or edge trigger. + + The EIC-sync is similar with GPIO's input function, which is a synchronized + signal input register. It can generate interrupts by level or edge trigger + when detecting input signals. + +properties: + compatible: + oneOf: + - enum: + - sprd,sc9860-eic-debounce + - sprd,sc9860-eic-latch + - sprd,sc9860-eic-async + - sprd,sc9860-eic-sync + - sprd,sc2731-eic + - items: + - enum: + - sprd,ums512-eic-debounce + - const: sprd,sc9860-eic-debounce + - items: + - enum: + - sprd,ums512-eic-latch + - const: sprd,sc9860-eic-latch + - items: + - enum: + - sprd,ums512-eic-async + - const: sprd,sc9860-eic-async + - items: + - enum: + - sprd,ums512-eic-sync + - const: sprd,sc9860-eic-sync + - items: + - enum: + - sprd,sc2730-eic + - const: sprd,sc2731-eic + + reg: + minItems: 1 + maxItems: 3 + description: + EIC controller can support maximum 3 banks which has its own + address base. + + gpio-controller: true + + "#gpio-cells": + const: 2 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + interrupts: + maxItems: 1 + description: + The interrupt shared by all GPIO lines for this controller. + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - interrupt-controller + - "#interrupt-cells" + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + eic_debounce: gpio@40210000 { + compatible = "sprd,sc9860-eic-debounce"; + reg = <0 0x40210000 0 0x80>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>; + }; + }; +... diff --git a/dts/Bindings/gpio/sprd,gpio.yaml b/dts/Bindings/gpio/sprd,gpio.yaml new file mode 100644 index 0000000000..4831688381 --- /dev/null +++ b/dts/Bindings/gpio/sprd,gpio.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright 2022 Unisoc Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/sprd,gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Unisoc GPIO controller + +maintainers: + - Orson Zhai <orsonzhai@gmail.com> + - Baolin Wang <baolin.wang7@gmail.com> + - Chunyan Zhang <zhang.lyra@gmail.com> + +description: | + The controller's registers are organized as sets of sixteen 16-bit + registers with each set controlling a bank of up to 16 pins. A single + interrupt is shared for all of the banks handled by the controller. + +properties: + compatible: + oneOf: + - const: sprd,sc9860-gpio + - items: + - enum: + - sprd,ums512-gpio + - const: sprd,sc9860-gpio + + reg: + maxItems: 1 + + gpio-controller: true + + "#gpio-cells": + const: 2 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + interrupts: + maxItems: 1 + description: The interrupt shared by all GPIO lines for this controller. + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - interrupt-controller + - "#interrupt-cells" + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + ap_gpio: gpio@40280000 { + compatible = "sprd,sc9860-gpio"; + reg = <0 0x40280000 0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>; + }; + }; +... diff --git a/dts/Bindings/gpio/st,stmpe-gpio.yaml b/dts/Bindings/gpio/st,stmpe-gpio.yaml new file mode 100644 index 0000000000..4555f1644a --- /dev/null +++ b/dts/Bindings/gpio/st,stmpe-gpio.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/st,stmpe-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectonics Port Expander (STMPE) GPIO Block + +description: + STMicroelectronics Port Expander (STMPE) is a series of slow + bus controllers for various expanded peripherals such as GPIO, keypad, + touchscreen, ADC, PWM or rotator. It can contain one or several different + peripherals connected to SPI or I2C. These bindings pertain to the + GPIO portions of these expanders. + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +properties: + compatible: + const: st,stmpe-gpio + + "#gpio-cells": + const: 2 + + "#interrupt-cells": + const: 2 + + gpio-controller: true + + gpio-line-names: + minItems: 1 + maxItems: 24 + + interrupt-controller: true + + st,norequest-mask: + description: + A bitmask of GPIO lines that cannot be requested because for + for example not being connected to anything on the system + $ref: /schemas/types.yaml#/definitions/uint32 + +patternProperties: + "^.+-hog(-[0-9]+)?$": + type: object + + required: + - gpio-hog + +additionalProperties: false + +required: + - compatible + - "#gpio-cells" + - "#interrupt-cells" + - gpio-controller + - interrupt-controller diff --git a/dts/Bindings/gpio/ti,omap-gpio.yaml b/dts/Bindings/gpio/ti,omap-gpio.yaml index 7087e4a501..7b75d2f92f 100644 --- a/dts/Bindings/gpio/ti,omap-gpio.yaml +++ b/dts/Bindings/gpio/ti,omap-gpio.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/gpio/ti,omap-gpio.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: OMAP GPIO controller bindings +title: OMAP GPIO controller maintainers: - Grygorii Strashko <grygorii.strashko@ti.com> @@ -58,14 +58,14 @@ properties: deprecated: true description: Name of the hwmod associated with the GPIO. Needed on some legacy OMAP - SoCs which have not been converted to the ti,sysc interconnect hierarachy. + SoCs which have not been converted to the ti,sysc interconnect hierarchy. ti,no-reset-on-init: $ref: /schemas/types.yaml#/definitions/flag deprecated: true description: Do not reset on init. Used with ti,hwmods on some legacy OMAP SoCs which - have not been converted to the ti,sysc interconnect hierarachy. + have not been converted to the ti,sysc interconnect hierarchy. patternProperties: "^(.+-hog(-[0-9]+)?)$": diff --git a/dts/Bindings/gpio/wd,mbl-gpio.txt b/dts/Bindings/gpio/wd,mbl-gpio.txt deleted file mode 100644 index 038c3a6a1f..0000000000 --- a/dts/Bindings/gpio/wd,mbl-gpio.txt +++ /dev/null @@ -1,38 +0,0 @@ -Bindings for the Western Digital's MyBook Live memory-mapped GPIO controllers. - -The Western Digital MyBook Live has two memory-mapped GPIO controllers. -Both GPIO controller only have a single 8-bit data register, where GPIO -state can be read and/or written. - -Required properties: - - compatible: should be "wd,mbl-gpio" - - reg-names: must contain - "dat" - data register - - reg: address + size pairs describing the GPIO register sets; - order must correspond with the order of entries in reg-names - - #gpio-cells: must be set to 2. The first cell is the pin number and - the second cell is used to specify the gpio polarity: - 0 = active high - 1 = active low - - gpio-controller: Marks the device node as a gpio controller. - -Optional properties: - - no-output: GPIOs are read-only. - -Examples: - gpio0: gpio0@e0000000 { - compatible = "wd,mbl-gpio"; - reg-names = "dat"; - reg = <0xe0000000 0x1>; - #gpio-cells = <2>; - gpio-controller; - }; - - gpio1: gpio1@e0100000 { - compatible = "wd,mbl-gpio"; - reg-names = "dat"; - reg = <0xe0100000 0x1>; - #gpio-cells = <2>; - gpio-controller; - no-output; - }; diff --git a/dts/Bindings/gpio/x-powers,axp209-gpio.yaml b/dts/Bindings/gpio/x-powers,axp209-gpio.yaml index 14486aee97..5eeb29bcdd 100644 --- a/dts/Bindings/gpio/x-powers,axp209-gpio.yaml +++ b/dts/Bindings/gpio/x-powers,axp209-gpio.yaml @@ -1,10 +1,10 @@ # SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- -$id: "http://devicetree.org/schemas/gpio/x-powers,axp209-gpio.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/gpio/x-powers,axp209-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# -title: X-Powers AXP209 GPIO Device Tree Bindings +title: X-Powers AXP209 GPIO maintainers: - Chen-Yu Tsai <wens@csie.org> @@ -35,6 +35,7 @@ properties: patternProperties: "^.*-pins?$": $ref: /schemas/pinctrl/pinmux-node.yaml# + additionalProperties: false properties: pins: @@ -43,6 +44,7 @@ patternProperties: - GPIO0 - GPIO1 - GPIO2 + - GPIO3 function: enum: diff --git a/dts/Bindings/gpio/xlnx,gpio-xilinx.yaml b/dts/Bindings/gpio/xlnx,gpio-xilinx.yaml new file mode 100644 index 0000000000..d3d8a2e143 --- /dev/null +++ b/dts/Bindings/gpio/xlnx,gpio-xilinx.yaml @@ -0,0 +1,154 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/xlnx,gpio-xilinx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx AXI GPIO controller + +maintainers: + - Neeli Srinivas <srinivas.neeli@amd.com> + +description: + The AXI GPIO design provides a general purpose input/output interface + to an AXI4-Lite interface. The AXI GPIO can be configured as either + a single or a dual-channel device. The width of each channel is + independently configurable. The channels can be configured to + generate an interrupt when a transition on any of their inputs occurs. + +properties: + compatible: + enum: + - xlnx,xps-gpio-1.00.a + + reg: + maxItems: 1 + + "#gpio-cells": + const: 2 + + interrupts: + maxItems: 1 + + gpio-controller: true + + gpio-line-names: + description: strings describing the names of each gpio line + minItems: 1 + maxItems: 64 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + clocks: + maxItems: 1 + + interrupt-names: true + + xlnx,all-inputs: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This option sets this GPIO channel1 bits in input mode. + + xlnx,all-inputs-2: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This option sets this GPIO channel2 bits in input mode. + + xlnx,all-outputs: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This option sets this GPIO channel1 bits in output mode. + + xlnx,all-outputs-2: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This option sets this GPIO channel2 bits in output mode. + + xlnx,dout-default: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Sets the default value of all the enabled bits of + channel1. + default: 0 + + xlnx,dout-default-2: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Sets the default value of all the enabled bits of + channel2. + default: 0 + + xlnx,gpio-width: + $ref: /schemas/types.yaml#/definitions/uint32 + description: The value defines the bit width of the GPIO channel1. + minimum: 1 + maximum: 32 + default: 32 + + xlnx,gpio2-width: + $ref: /schemas/types.yaml#/definitions/uint32 + description: The value defines the bit width of the GPIO channel2. + minimum: 1 + maximum: 32 + default: 32 + + xlnx,interrupt-present: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This parameter enables interrupt control logic + and interrupt registers in GPIO module. + minimum: 0 + maximum: 1 + default: 0 + + xlnx,is-dual: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This parameter enables a second GPIO channel (GPIO2). + minimum: 0 + maximum: 1 + default: 0 + + xlnx,tri-default: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This value configures the input or output mode + of each bit of GPIO channel1. + + xlnx,tri-default-2: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This value configures the input or output mode + of each bit of GPIO channel2. + +required: + - reg + - compatible + - gpio-controller + - "#gpio-cells" + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + gpio@a0020000 { + compatible = "xlnx,xps-gpio-1.00.a"; + reg = <0xa0020000 0x10000>; + #gpio-cells = <2>; + #interrupt-cells = <0x2>; + clocks = <&zynqmp_clk 71>; + gpio-controller; + interrupt-controller; + interrupt-names = "ip2intc_irpt"; + interrupt-parent = <&gic>; + interrupts = <0 89 4>; + xlnx,all-inputs = <0x0>; + xlnx,all-inputs-2 = <0x0>; + xlnx,all-outputs = <0x0>; + xlnx,all-outputs-2 = <0x0>; + xlnx,dout-default = <0x0>; + xlnx,dout-default-2 = <0x0>; + xlnx,gpio-width = <0x20>; + xlnx,gpio2-width = <0x20>; + xlnx,interrupt-present = <0x1>; + xlnx,is-dual = <0x1>; + xlnx,tri-default = <0xFFFFFFFF>; + xlnx,tri-default-2 = <0xFFFFFFFF>; + }; + +... diff --git a/dts/Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml b/dts/Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml index 31c0fc3459..bb93baa888 100644 --- a/dts/Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml +++ b/dts/Bindings/gpio/xlnx,zynqmp-gpio-modepin.yaml @@ -1,8 +1,8 @@ # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- -$id: "http://devicetree.org/schemas/gpio/xlnx,zynqmp-gpio-modepin.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/gpio/xlnx,zynqmp-gpio-modepin.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: ZynqMP Mode Pin GPIO controller @@ -12,7 +12,8 @@ description: PS_MODE). Every pin can be configured as input/output. maintainers: - - Piyush Mehta <piyush.mehta@xilinx.com> + - Mubin Sayyed <mubin.sayyed@amd.com> + - Radhey Shyam Pandey <radhey.shyam.pandey@amd.com> properties: compatible: @@ -23,6 +24,8 @@ properties: "#gpio-cells": const: 2 + label: true + required: - compatible - gpio-controller @@ -37,6 +40,7 @@ examples: compatible = "xlnx,zynqmp-gpio-modepin"; gpio-controller; #gpio-cells = <2>; + label = "modepin"; }; }; diff --git a/dts/Bindings/gpio/xylon,logicvc-gpio.yaml b/dts/Bindings/gpio/xylon,logicvc-gpio.yaml index a36aec2706..59c79a6943 100644 --- a/dts/Bindings/gpio/xylon,logicvc-gpio.yaml +++ b/dts/Bindings/gpio/xylon,logicvc-gpio.yaml @@ -2,8 +2,8 @@ # Copyright 2019 Bootlin %YAML 1.2 --- -$id: "http://devicetree.org/schemas/gpio/xylon,logicvc-gpio.yaml#" -$schema: "http://devicetree.org/meta-schemas/core.yaml#" +$id: http://devicetree.org/schemas/gpio/xylon,logicvc-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# title: Xylon LogiCVC GPIO controller |