diff options
Diffstat (limited to 'dts/Bindings/pinctrl')
| -rw-r--r-- | dts/Bindings/pinctrl/allwinner,sunxi-pinctrl.txt | 2 | ||||
| -rw-r--r-- | dts/Bindings/pinctrl/brcm,ns2-pinmux.txt | 102 | ||||
| -rw-r--r-- | dts/Bindings/pinctrl/marvell,armada-370-pinctrl.txt | 5 | ||||
| -rw-r--r-- | dts/Bindings/pinctrl/microchip,pic32-pinctrl.txt | 60 | ||||
| -rw-r--r-- | dts/Bindings/pinctrl/nxp,lpc1850-scu.txt | 14 | ||||
| -rw-r--r-- | dts/Bindings/pinctrl/pinctrl-mt65xx.txt | 1 | ||||
| -rw-r--r-- | dts/Bindings/pinctrl/qcom,ipq4019-pinctrl.txt | 74 | ||||
| -rw-r--r-- | dts/Bindings/pinctrl/rockchip,pinctrl.txt | 2 | ||||
| -rw-r--r-- | dts/Bindings/pinctrl/st,stm32-pinctrl.txt | 126 |
9 files changed, 384 insertions, 2 deletions
diff --git a/dts/Bindings/pinctrl/allwinner,sunxi-pinctrl.txt b/dts/Bindings/pinctrl/allwinner,sunxi-pinctrl.txt index 9213b27e10..69617220c5 100644 --- a/dts/Bindings/pinctrl/allwinner,sunxi-pinctrl.txt +++ b/dts/Bindings/pinctrl/allwinner,sunxi-pinctrl.txt @@ -21,6 +21,8 @@ Required properties: "allwinner,sun9i-a80-r-pinctrl" "allwinner,sun8i-a83t-pinctrl" "allwinner,sun8i-h3-pinctrl" + "allwinner,sun8i-h3-r-pinctrl" + "allwinner,sun50i-a64-pinctrl" - reg: Should contain the register physical address and length for the pin controller. diff --git a/dts/Bindings/pinctrl/brcm,ns2-pinmux.txt b/dts/Bindings/pinctrl/brcm,ns2-pinmux.txt new file mode 100644 index 0000000000..e295dda4bb --- /dev/null +++ b/dts/Bindings/pinctrl/brcm,ns2-pinmux.txt @@ -0,0 +1,102 @@ +Broadcom Northstar2 IOMUX Controller + +The Northstar2 IOMUX controller supports group based mux configuration. There +are some individual pins that support modifying the pinconf parameters. + +Required properties: + +- compatible: + Must be "brcm,ns2-pinmux" + +- reg: + Define the base and range of the I/O address space that contains the + Northstar2 IOMUX and pin configuration registers. + +Properties in sub nodes: + +- function: + The mux function to select + +- groups: + The list of groups to select with a given function + +- pins: + List of pin names to change configuration + +The generic properties bias-disable, bias-pull-down, bias-pull-up, +drive-strength, slew-rate, input-enable, input-disable are supported +for some individual pins listed at the end. + +For more details, refer to +Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt + +For example: + + pinctrl: pinctrl@6501d130 { + compatible = "brcm,ns2-pinmux"; + reg = <0x6501d130 0x08>, + <0x660a0028 0x04>, + <0x660009b0 0x40>; + + pinctrl-names = "default"; + pinctrl-0 = <&nand_sel &uart3_rx &sdio0_d4>; + + /* Select nand function */ + nand_sel: nand_sel { + function = "nand"; + groups = "nand_grp"; + }; + + /* Pull up the uart3 rx pin */ + uart3_rx: uart3_rx { + pins = "uart3_sin"; + bias-pull-up; + }; + + /* Set the drive strength of sdio d4 pin */ + sdio0_d4: sdio0_d4 { + pins = "sdio0_data4"; + drive-strength = <8>; + }; + }; + +List of supported functions and groups in Northstar2: + +"nand": "nand_grp" + +"nor": "nor_data_grp", "nor_adv_grp", "nor_addr_0_3_grp", "nor_addr_4_5_grp", + "nor_addr_6_7_grp", "nor_addr_8_9_grp", "nor_addr_10_11_grp", + "nor_addr_12_15_grp" + +"gpio": "gpio_0_1_grp", "gpio_2_5_grp", "gpio_6_7_grp", "gpio_8_9_grp", + "gpio_10_11_grp", "gpio_12_13_grp", "gpio_14_17_grp", "gpio_18_19_grp", + "gpio_20_21_grp", "gpio_22_23_grp", "gpio_24_25_grp", "gpio_26_27_grp", + "gpio_28_29_grp", "gpio_30_31_grp" + +"pcie": "pcie_ab1_clk_wak_grp", "pcie_a3_clk_wak_grp", "pcie_b3_clk_wak_grp", + "pcie_b2_clk_wak_grp", "pcie_a2_clk_wak_grp" + +"uart0": "uart0_modem_grp", "uart0_rts_cts_grp", "uart0_in_out_grp" + +"uart1": "uart1_ext_clk_grp", "uart1_dcd_dsr_grp", "uart1_ri_dtr_grp", + "uart1_rts_cts_grp", "uart1_in_out_grp" + +"uart2": "uart2_rts_cts_grp" + +"pwm": "pwm_0_grp", "pwm_1_grp", "pwm_2_grp", "pwm_3_grp" + + +List of pins that support pinconf parameters: + +"qspi_wp", "qspi_hold", "qspi_cs", "qspi_sck", "uart3_sin", "uart3_sout", +"qspi_mosi", "qspi_miso", "spi0_fss", "spi0_rxd", "spi0_txd", "spi0_sck", +"spi1_fss", "spi1_rxd", "spi1_txd", "spi1_sck", "sdio0_data7", +"sdio0_emmc_rst", "sdio0_led_on", "sdio0_wp", "sdio0_data3", "sdio0_data4", +"sdio0_data5", "sdio0_data6", "sdio0_cmd", "sdio0_data0", "sdio0_data1", +"sdio0_data2", "sdio1_led_on", "sdio1_wp", "sdio0_cd_l", "sdio0_clk", +"sdio1_data5", "sdio1_data6", "sdio1_data7", "sdio1_emmc_rst", "sdio1_data1", +"sdio1_data2", "sdio1_data3", "sdio1_data4", "sdio1_cd_l", "sdio1_clk", +"sdio1_cmd", "sdio1_data0", "ext_mdio_0", "ext_mdc_0", "usb3_p1_vbus_ppc", +"usb3_p1_overcurrent", "usb3_p0_vbus_ppc", "usb3_p0_overcurrent", +"usb2_presence_indication", "usb2_vbus_present", "usb2_vbus_ppc", +"usb2_overcurrent", "sata_led1", "sata_led0" diff --git a/dts/Bindings/pinctrl/marvell,armada-370-pinctrl.txt b/dts/Bindings/pinctrl/marvell,armada-370-pinctrl.txt index add7c38ec7..8662f3aaf3 100644 --- a/dts/Bindings/pinctrl/marvell,armada-370-pinctrl.txt +++ b/dts/Bindings/pinctrl/marvell,armada-370-pinctrl.txt @@ -91,6 +91,9 @@ mpp60 60 gpio, dev(ale1), uart1(rxd), sata0(prsnt), pcie(rstout), mpp61 61 gpo, dev(we1), uart1(txd), audio(lrclk) mpp62 62 gpio, dev(a2), uart1(cts), tdm(drx), pcie(clkreq0), audio(mclk), uart0(cts) -mpp63 63 gpo, spi0(sck), tclk +mpp63 63 gpio, spi0(sck), tclk mpp64 64 gpio, spi0(miso), spi0(cs1) mpp65 65 gpio, spi0(mosi), spi0(cs2) + +Note: According to the datasheet mpp63 is a gpo but there is at least +one example of a gpio usage on the board D-Link DNS-327L diff --git a/dts/Bindings/pinctrl/microchip,pic32-pinctrl.txt b/dts/Bindings/pinctrl/microchip,pic32-pinctrl.txt new file mode 100644 index 0000000000..4b5efa51be --- /dev/null +++ b/dts/Bindings/pinctrl/microchip,pic32-pinctrl.txt @@ -0,0 +1,60 @@ +* Microchip PIC32 Pin Controller + +Please refer to pinctrl-bindings.txt, ../gpio/gpio.txt, and +../interrupt-controller/interrupts.txt for generic information regarding +pin controller, GPIO, and interrupt bindings. + +PIC32 'pin configuration node' is a node of a group of pins which can be +used for a specific device or function. This node represents configuraions of +pins, optional function, and optional mux related configuration. + +Required properties for pin controller node: + - compatible: "microchip,pic32mada-pinctrl" + - reg: Address range of the pinctrl registers. + - clocks: Clock specifier (see clock bindings for details) + +Required properties for pin configuration sub-nodes: + - pins: List of pins to which the configuration applies. + +Optional properties for pin configuration sub-nodes: +---------------------------------------------------- + - function: Mux function for the specified pins. + - bias-pull-up: Enable weak pull-up. + - bias-pull-down: Enable weak pull-down. + - input-enable: Set the pin as an input. + - output-low: Set the pin as an output level low. + - output-high: Set the pin as an output level high. + - microchip,digital: Enable digital I/O. + - microchip,analog: Enable analog I/O. + +Example: + +pic32_pinctrl: pinctrl@1f801400{ + #address-cells = <1>; + #size-cells = <1>; + compatible = "microchip,pic32mzda-pinctrl"; + reg = <0x1f801400 0x400>; + clocks = <&PBCLK1>; + + pinctrl_uart2: pinctrl_uart2 { + uart2-tx { + pins = "G9"; + function = "U2TX"; + microchip,digital; + output-low; + }; + uart2-rx { + pins = "B0"; + function = "U2RX"; + microchip,digital; + input-enable; + }; + }; +}; + +uart2: serial@1f822200 { + compatible = "microchip,pic32mzda-uart"; + reg = <0x1f822200 0x50>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart2>; +}; diff --git a/dts/Bindings/pinctrl/nxp,lpc1850-scu.txt b/dts/Bindings/pinctrl/nxp,lpc1850-scu.txt index df0309c575..bd8b0c69fa 100644 --- a/dts/Bindings/pinctrl/nxp,lpc1850-scu.txt +++ b/dts/Bindings/pinctrl/nxp,lpc1850-scu.txt @@ -22,6 +22,10 @@ The following generic nodes are supported: - input-schmitt-disable - slew-rate +NXP specific properties: + - nxp,gpio-pin-interrupt : Assign pin to gpio pin interrupt controller + irq number 0 to 7. See example below. + Not all pins support all properties so either refer to the NXP 1850/4350 user manual or the pin table in the pinctrl-lpc18xx driver for supported pin properties. @@ -54,4 +58,14 @@ pinctrl: pinctrl@40086000 { bias-disable; }; }; + + gpio_joystick_pins: gpio-joystick-pins { + gpio_joystick_1_cfg { + pins = "p9_0"; + function = "gpio"; + nxp,gpio-pin-interrupt = <0>; + input-enable; + bias-disable; + }; + }; }; diff --git a/dts/Bindings/pinctrl/pinctrl-mt65xx.txt b/dts/Bindings/pinctrl/pinctrl-mt65xx.txt index 9ffb0b276b..17631d0a9a 100644 --- a/dts/Bindings/pinctrl/pinctrl-mt65xx.txt +++ b/dts/Bindings/pinctrl/pinctrl-mt65xx.txt @@ -6,6 +6,7 @@ Required properties: - compatible: value should be one of the following. "mediatek,mt2701-pinctrl", compatible with mt2701 pinctrl. "mediatek,mt6397-pinctrl", compatible with mt6397 pinctrl. + "mediatek,mt7623-pinctrl", compatible with mt7623 pinctrl. "mediatek,mt8127-pinctrl", compatible with mt8127 pinctrl. "mediatek,mt8135-pinctrl", compatible with mt8135 pinctrl. "mediatek,mt8173-pinctrl", compatible with mt8173 pinctrl. diff --git a/dts/Bindings/pinctrl/qcom,ipq4019-pinctrl.txt b/dts/Bindings/pinctrl/qcom,ipq4019-pinctrl.txt new file mode 100644 index 0000000000..cfb8500dd5 --- /dev/null +++ b/dts/Bindings/pinctrl/qcom,ipq4019-pinctrl.txt @@ -0,0 +1,74 @@ +Qualcomm Atheros IPQ4019 TLMM block + +This is the Top Level Mode Multiplexor block found on the Qualcomm IPQ8019 +platform, it provides pinctrl, pinmux, pinconf, and gpiolib facilities. + +Required properties: +- compatible: "qcom,ipq4019-pinctrl" +- reg: Should be the base address and length of the TLMM block. +- interrupts: Should be the parent IRQ of the TLMM block. +- interrupt-controller: Marks the device node as an interrupt controller. +- #interrupt-cells: Should be two. +- gpio-controller: Marks the device node as a GPIO controller. +- #gpio-cells : Should be two. + The first cell is the gpio pin number and the + second cell is used for optional parameters. + +Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for +a general description of GPIO and interrupt bindings. + +Please refer to pinctrl-bindings.txt in this directory for details of the +common pinctrl bindings used by client devices, including the meaning of the +phrase "pin configuration node". + +The pin configuration nodes act as a container for an abitrary number of +subnodes. Each of these subnodes represents some desired configuration for a +pin, a group, or a list of pins or groups. This configuration can include the +mux function to select on those pin(s)/group(s), and various pin configuration +parameters, such as pull-up, drive strength, etc. + +The name of each subnode is not important; all subnodes should be enumerated +and processed purely based on their content. + +Each subnode only affects those parameters that are explicitly listed. In +other words, a subnode that lists a mux function but no pin configuration +parameters implies no information about any pin configuration parameters. +Similarly, a pin subnode that describes a pullup parameter implies no +information about e.g. the mux function. + + +The following generic properties as defined in pinctrl-bindings.txt are valid +to specify in a pin configuration subnode: + pins, function, bias-disable, bias-pull-down, bias-pull,up, drive-strength. + +Non-empty subnodes must specify the 'pins' property. +Note that not all properties are valid for all pins. + + +Valid values for qcom,pins are: + gpio0-gpio99 + Supports mux, bias and drive-strength + +Valid values for qcom,function are: +gpio, blsp_uart1, blsp_i2c0, blsp_i2c1, blsp_uart0, blsp_spi1, blsp_spi0 + +Example: + + tlmm: pinctrl@1000000 { + compatible = "qcom,ipq4019-pinctrl"; + reg = <0x1000000 0x300000>; + + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <0 208 0>; + + serial_pins: serial_pinmux { + mux { + pins = "gpio60", "gpio61"; + function = "blsp_uart0"; + bias-disable; + }; + }; + }; diff --git a/dts/Bindings/pinctrl/rockchip,pinctrl.txt b/dts/Bindings/pinctrl/rockchip,pinctrl.txt index 0cd701b194..c68b955456 100644 --- a/dts/Bindings/pinctrl/rockchip,pinctrl.txt +++ b/dts/Bindings/pinctrl/rockchip,pinctrl.txt @@ -22,7 +22,7 @@ Required properties for iomux controller: - compatible: one of "rockchip,rk2928-pinctrl", "rockchip,rk3066a-pinctrl" "rockchip,rk3066b-pinctrl", "rockchip,rk3188-pinctrl" "rockchip,rk3228-pinctrl", "rockchip,rk3288-pinctrl" - "rockchip,rk3368-pinctrl" + "rockchip,rk3368-pinctrl", "rockchip,rk3399-pinctrl" - rockchip,grf: phandle referencing a syscon providing the "general register files" diff --git a/dts/Bindings/pinctrl/st,stm32-pinctrl.txt b/dts/Bindings/pinctrl/st,stm32-pinctrl.txt new file mode 100644 index 0000000000..7b4800cc25 --- /dev/null +++ b/dts/Bindings/pinctrl/st,stm32-pinctrl.txt @@ -0,0 +1,126 @@ +* STM32 GPIO and Pin Mux/Config controller + +STMicroelectronics's STM32 MCUs intregrate a GPIO and Pin mux/config hardware +controller. It controls the input/output settings on the available pins and +also provides ability to multiplex and configure the output of various on-chip +controllers onto these pads. + +Pin controller node: +Required properies: + - compatible: value should be one of the following: + (a) "st,stm32f429-pinctrl" + - #address-cells: The value of this property must be 1 + - #size-cells : The value of this property must be 1 + - ranges : defines mapping between pin controller node (parent) to + gpio-bank node (children). + - pins-are-numbered: Specify the subnodes are using numbered pinmux to + specify pins. + +GPIO controller/bank node: +Required properties: + - gpio-controller : Indicates this device is a GPIO controller + - #gpio-cells : Should be two. + The first cell is the pin number + The second one is the polarity: + - 0 for active high + - 1 for active low + - reg : The gpio address range, relative to the pinctrl range + - clocks : clock that drives this bank + - st,bank-name : Should be a name string for this bank as specified in + the datasheet + +Optional properties: + - reset: : Reference to the reset controller + +Example: +#include <dt-bindings/pinctrl/stm32f429-pinfunc.h> +... + + pin-controller { + #address-cells = <1>; + #size-cells = <1>; + compatible = "st,stm32f429-pinctrl"; + ranges = <0 0x40020000 0x3000>; + pins-are-numbered; + + gpioa: gpio@40020000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x0 0x400>; + resets = <&reset_ahb1 0>; + st,bank-name = "GPIOA"; + }; + ... + pin-functions nodes follow... + }; + +Contents of function subnode node: +---------------------------------- +Subnode format +A pinctrl node should contain at least one subnode representing the +pinctrl group available on the machine. Each subnode will list the +pins it needs, and how they should be configured, with regard to muxer +configuration, pullups, drive, output high/low and output speed. + + node { + pinmux = <PIN_NUMBER_PINMUX>; + GENERIC_PINCONFIG; + }; + +Required properties: +- pinmux: integer array, represents gpio pin number and mux setting. + Supported pin number and mux varies for different SoCs, and are defined in + dt-bindings/pinctrl/<soc>-pinfunc.h directly. + These defines are calculated as: + ((port * 16 + line) << 8) | function + With: + - port: The gpio port index (PA = 0, PB = 1, ..., PK = 11) + - line: The line offset within the port (PA0 = 0, PA1 = 1, ..., PA15 = 15) + - function: The function number, can be: + * 0 : GPIO + * 1 : Alternate Function 0 + * 2 : Alternate Function 1 + * 3 : Alternate Function 2 + * ... + * 16 : Alternate Function 15 + * 17 : Analog + +Optional properties: +- GENERIC_PINCONFIG: is the generic pinconfig options to use. + Available options are: + - bias-disable, + - bias-pull-down, + - bias-pull-up, + - drive-push-pull, + - drive-open-drain, + - output-low + - output-high + - slew-rate = <x>, with x being: + < 0 > : Low speed + < 1 > : Medium speed + < 2 > : Fast speed + < 3 > : High speed + +Example: + +pin-controller { +... + usart1_pins_a: usart1@0 { + pins1 { + pinmux = <STM32F429_PA9_FUNC_USART1_TX>; + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32F429_PA10_FUNC_USART1_RX>; + bias-disable; + }; + }; +}; + +&usart1 { + pinctrl-0 = <&usart1_pins_a>; + pinctrl-names = "default"; + status = "okay"; +}; |