diff options
Diffstat (limited to 'dts/Bindings/net/nfc')
| -rw-r--r-- | dts/Bindings/net/nfc/marvell,nci.yaml | 170 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/nfcmrvl.txt | 84 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/nxp,nci.yaml | 61 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/nxp,pn532.yaml | 65 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/nxp,pn544.yaml | 58 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/nxp-nci.txt | 33 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/pn532.txt | 46 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/pn544.txt | 33 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/st,st-nci.yaml | 106 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/st,st21nfca.yaml | 64 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/st,st95hf.yaml | 57 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/st-nci-i2c.txt | 38 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/st-nci-spi.txt | 36 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/st21nfca.txt | 37 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/st95hf.txt | 45 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/ti,trf7970a.yaml | 98 | ||||
| -rw-r--r-- | dts/Bindings/net/nfc/trf7970a.txt | 43 |
17 files changed, 679 insertions, 395 deletions
diff --git a/dts/Bindings/net/nfc/marvell,nci.yaml b/dts/Bindings/net/nfc/marvell,nci.yaml new file mode 100644 index 0000000000..15a45db389 --- /dev/null +++ b/dts/Bindings/net/nfc/marvell,nci.yaml @@ -0,0 +1,170 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/marvell,nci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell International Ltd. NCI NFC controller + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +properties: + compatible: + enum: + - marvell,nfc-i2c + - marvell,nfc-spi + - marvell,nfc-uart + + hci-muxed: + type: boolean + description: | + Specifies that the chip is muxing NCI over HCI frames + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + reset-n-io: + $ref: "/schemas/types.yaml#/definitions/phandle-array" + maxItems: 1 + description: | + Output GPIO pin used to reset the chip (active low) + + i2c-int-falling: + type: boolean + description: | + For I2C type of connection. Specifies that the chip read event shall be + trigged on falling edge. + + i2c-int-rising: + type: boolean + description: | + For I2C type of connection. Specifies that the chip read event shall be + trigged on rising edge. + + break-control: + type: boolean + description: | + For UART type of connection. Specifies that the chip needs specific break + management. + + flow-control: + type: boolean + description: | + For UART type of connection. Specifies that the chip is using RTS/CTS. + + spi-cpha: true + spi-cpol: true + spi-max-frequency: true + +required: + - compatible + +allOf: + - if: + properties: + compatible: + contains: + const: marvell,nfc-i2c + then: + properties: + break-control: false + flow-control: false + spi-cpha: false + spi-cpol: false + spi-max-frequency: false + required: + - reg + + - if: + properties: + compatible: + contains: + const: marvell,nfc-spi + then: + properties: + break-control: false + flow-control: false + i2c-int-falling: false + i2c-int-rising: false + required: + - reg + + - if: + properties: + compatible: + contains: + const: marvell,nfc-uart + then: + properties: + i2c-int-falling: false + i2c-int-rising: false + interrupts: false + spi-cpha: false + spi-cpol: false + spi-max-frequency: false + reg: false + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@8 { + compatible = "marvell,nfc-i2c"; + reg = <0x8>; + + interrupt-parent = <&gpio3>; + interrupts = <21 IRQ_TYPE_EDGE_RISING>; + + i2c-int-rising; + + reset-n-io = <&gpio3 19 GPIO_ACTIVE_HIGH>; + }; + }; + + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + nfc@0 { + compatible = "marvell,nfc-spi"; + reg = <0>; + + spi-max-frequency = <3000000>; + spi-cpha; + spi-cpol; + + interrupt-parent = <&gpio1>; + interrupts = <17 IRQ_TYPE_EDGE_RISING>; + + reset-n-io = <&gpio3 19 GPIO_ACTIVE_HIGH>; + }; + }; + + - | + #include <dt-bindings/gpio/gpio.h> + + uart { + nfc { + compatible = "marvell,nfc-uart"; + + reset-n-io = <&gpio3 16 GPIO_ACTIVE_HIGH>; + + hci-muxed; + flow-control; + }; + }; diff --git a/dts/Bindings/net/nfc/nfcmrvl.txt b/dts/Bindings/net/nfc/nfcmrvl.txt deleted file mode 100644 index c9b35251bb..0000000000 --- a/dts/Bindings/net/nfc/nfcmrvl.txt +++ /dev/null @@ -1,84 +0,0 @@ -* Marvell International Ltd. NCI NFC Controller - -Required properties: -- compatible: Should be: - - "marvell,nfc-uart" or "mrvl,nfc-uart" for UART devices - - "marvell,nfc-i2c" for I2C devices - - "marvell,nfc-spi" for SPI devices - -Optional SoC specific properties: -- pinctrl-names: Contains only one value - "default". -- pintctrl-0: Specifies the pin control groups used for this controller. -- reset-n-io: Output GPIO pin used to reset the chip (active low). -- hci-muxed: Specifies that the chip is muxing NCI over HCI frames. - -Optional UART-based chip specific properties: -- flow-control: Specifies that the chip is using RTS/CTS. -- break-control: Specifies that the chip needs specific break management. - -Optional I2C-based chip specific properties: -- i2c-int-falling: Specifies that the chip read event shall be trigged on - falling edge. -- i2c-int-rising: Specifies that the chip read event shall be trigged on - rising edge. - -Example (for ARM-based BeagleBoard Black with 88W8887 on UART5): - -&uart5 { - - nfcmrvluart: nfcmrvluart@5 { - compatible = "marvell,nfc-uart"; - - reset-n-io = <&gpio3 16 0>; - - hci-muxed; - flow-control; - } -}; - - -Example (for ARM-based BeagleBoard Black with 88W8887 on I2C1): - -&i2c1 { - clock-frequency = <400000>; - - nfcmrvli2c0: i2c@1 { - compatible = "marvell,nfc-i2c"; - - reg = <0x8>; - - /* I2C INT configuration */ - interrupt-parent = <&gpio3>; - interrupts = <21 0>; - - /* I2C INT trigger configuration */ - i2c-int-rising; - - /* Reset IO */ - reset-n-io = <&gpio3 19 0>; - }; -}; - - -Example (for ARM-based BeagleBoard Black on SPI0): - -&spi0 { - - mrvlnfcspi0: spi@0 { - compatible = "marvell,nfc-spi"; - - reg = <0>; - - /* SPI Bus configuration */ - spi-max-frequency = <3000000>; - spi-cpha; - spi-cpol; - - /* SPI INT configuration */ - interrupt-parent = <&gpio1>; - interrupts = <17 0>; - - /* Reset IO */ - reset-n-io = <&gpio3 19 0>; - }; -}; diff --git a/dts/Bindings/net/nfc/nxp,nci.yaml b/dts/Bindings/net/nfc/nxp,nci.yaml new file mode 100644 index 0000000000..7465aea2e1 --- /dev/null +++ b/dts/Bindings/net/nfc/nxp,nci.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/nxp,nci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Semiconductors NCI NFC controller + +maintainers: + - Charles Gorand <charles.gorand@effinnov.com> + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +properties: + compatible: + oneOf: + - const: nxp,nxp-nci-i2c + - items: + - const: nxp,pn547 + - const: nxp,nxp-nci-i2c + + enable-gpios: + description: Output GPIO pin used for enabling/disabling the controller + + firmware-gpios: + description: Output GPIO pin used to enter firmware download mode + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + +required: + - compatible + - enable-gpios + - interrupts + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@29 { + compatible = "nxp,nxp-nci-i2c"; + + reg = <0x29>; + + interrupt-parent = <&gpio1>; + interrupts = <29 IRQ_TYPE_LEVEL_HIGH>; + + enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; + }; + }; diff --git a/dts/Bindings/net/nfc/nxp,pn532.yaml b/dts/Bindings/net/nfc/nxp,pn532.yaml new file mode 100644 index 0000000000..d8ba5a18db --- /dev/null +++ b/dts/Bindings/net/nfc/nxp,pn532.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/nxp,pn532.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Semiconductors PN532 NFC controller + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +properties: + compatible: + oneOf: + - const: nxp,pn532 + - description: Deprecated bindings + enum: + - nxp,pn532-i2c + - nxp,pn533-i2c + deprecated: true + + interrupts: + description: Required if connected via I2C + maxItems: 1 + + reg: + description: Required if connected via I2C + maxItems: 1 + +required: + - compatible + +dependencies: + interrupts: [ 'reg' ] + +additionalProperties: false + +examples: + # PN532 on I2C bus + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@24 { + compatible = "nxp,pn532"; + + reg = <0x24>; + + interrupt-parent = <&gpio1>; + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + # PN532 connected via UART + - | + serial@49042000 { + reg = <0x49042000 0x400>; + + nfc { + compatible = "nxp,pn532"; + }; + }; diff --git a/dts/Bindings/net/nfc/nxp,pn544.yaml b/dts/Bindings/net/nfc/nxp,pn544.yaml new file mode 100644 index 0000000000..d520414de4 --- /dev/null +++ b/dts/Bindings/net/nfc/nxp,pn544.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/nxp,pn544.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Semiconductors PN544 NFC Controller + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +properties: + compatible: + const: nxp,pn544-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + enable-gpios: + description: Output GPIO pin used for enabling/disabling the PN544 + maxItems: 1 + + firmware-gpios: + description: Output GPIO pin used to enter firmware download mode + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - enable-gpios + - firmware-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@28 { + compatible = "nxp,pn544-i2c"; + reg = <0x28>; + + interrupt-parent = <&gpio1>; + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; + + enable-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; + }; + }; diff --git a/dts/Bindings/net/nfc/nxp-nci.txt b/dts/Bindings/net/nfc/nxp-nci.txt deleted file mode 100644 index 285a37c2f1..0000000000 --- a/dts/Bindings/net/nfc/nxp-nci.txt +++ /dev/null @@ -1,33 +0,0 @@ -* NXP Semiconductors NXP NCI NFC Controllers - -Required properties: -- compatible: Should be "nxp,nxp-nci-i2c". -- clock-frequency: I²C work frequency. -- reg: address on the bus -- interrupts: GPIO interrupt to which the chip is connected -- enable-gpios: Output GPIO pin used for enabling/disabling the chip - -Optional SoC Specific Properties: -- pinctrl-names: Contains only one value - "default". -- pintctrl-0: Specifies the pin control groups used for this controller. -- firmware-gpios: Output GPIO pin used to enter firmware download mode - -Example (for ARM-based BeagleBone with NPC100 NFC controller on I2C2): - -&i2c2 { - - - npc100: npc100@29 { - - compatible = "nxp,nxp-nci-i2c"; - - reg = <0x29>; - clock-frequency = <100000>; - - interrupt-parent = <&gpio1>; - interrupts = <29 IRQ_TYPE_LEVEL_HIGH>; - - enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>; - firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; - }; -}; diff --git a/dts/Bindings/net/nfc/pn532.txt b/dts/Bindings/net/nfc/pn532.txt deleted file mode 100644 index a5507dc499..0000000000 --- a/dts/Bindings/net/nfc/pn532.txt +++ /dev/null @@ -1,46 +0,0 @@ -* NXP Semiconductors PN532 NFC Controller - -Required properties: -- compatible: Should be - - "nxp,pn532" Place a node with this inside the devicetree node of the bus - where the NFC chip is connected to. - Currently the kernel has phy bindings for uart and i2c. - - "nxp,pn532-i2c" (DEPRECATED) only works for the i2c binding. - - "nxp,pn533-i2c" (DEPRECATED) only works for the i2c binding. - -Required properties if connected on i2c: -- clock-frequency: I²C work frequency. -- reg: for the I²C bus address. This is fixed at 0x24 for the PN532. -- interrupts: GPIO interrupt to which the chip is connected - -Optional SoC Specific Properties: -- pinctrl-names: Contains only one value - "default". -- pintctrl-0: Specifies the pin control groups used for this controller. - -Example (for ARM-based BeagleBone with PN532 on I2C2): - -&i2c2 { - - - pn532: nfc@24 { - - compatible = "nxp,pn532"; - - reg = <0x24>; - clock-frequency = <400000>; - - interrupt-parent = <&gpio1>; - interrupts = <17 IRQ_TYPE_EDGE_FALLING>; - - }; -}; - -Example (for PN532 connected via uart): - -uart4: serial@49042000 { - compatible = "ti,omap3-uart"; - - pn532: nfc { - compatible = "nxp,pn532"; - }; -}; diff --git a/dts/Bindings/net/nfc/pn544.txt b/dts/Bindings/net/nfc/pn544.txt deleted file mode 100644 index 2bd82562ce..0000000000 --- a/dts/Bindings/net/nfc/pn544.txt +++ /dev/null @@ -1,33 +0,0 @@ -* NXP Semiconductors PN544 NFC Controller - -Required properties: -- compatible: Should be "nxp,pn544-i2c". -- clock-frequency: I²C work frequency. -- reg: address on the bus -- interrupts: GPIO interrupt to which the chip is connected -- enable-gpios: Output GPIO pin used for enabling/disabling the PN544 -- firmware-gpios: Output GPIO pin used to enter firmware download mode - -Optional SoC Specific Properties: -- pinctrl-names: Contains only one value - "default". -- pintctrl-0: Specifies the pin control groups used for this controller. - -Example (for ARM-based BeagleBone with PN544 on I2C2): - -&i2c2 { - - - pn544: pn544@28 { - - compatible = "nxp,pn544-i2c"; - - reg = <0x28>; - clock-frequency = <400000>; - - interrupt-parent = <&gpio1>; - interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; - - enable-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; - firmware-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; - }; -}; diff --git a/dts/Bindings/net/nfc/st,st-nci.yaml b/dts/Bindings/net/nfc/st,st-nci.yaml new file mode 100644 index 0000000000..a6a1bc788d --- /dev/null +++ b/dts/Bindings/net/nfc/st,st-nci.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/st,st-nci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics ST NCI NFC controller + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +properties: + compatible: + enum: + - st,st21nfcb-i2c + - st,st21nfcb-spi + - st,st21nfcc-i2c + + reset-gpios: + description: Output GPIO pin used for resetting the controller + + ese-present: + type: boolean + description: | + Specifies that an ese is physically connected to the controller + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + spi-max-frequency: true + + uicc-present: + type: boolean + description: | + Specifies that the uicc swp signal can be physically connected to the + controller + +required: + - compatible + - interrupts + - reg + - reset-gpios + +if: + properties: + compatible: + contains: + enum: + - st,st21nfcb-i2c + - st,st21nfcc-i2c +then: + properties: + spi-max-frequency: false +else: + required: + - spi-max-frequency + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@8 { + compatible = "st,st21nfcb-i2c"; + reg = <0x08>; + + interrupt-parent = <&gpio5>; + interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; + reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; + + ese-present; + uicc-present; + }; + }; + + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + nfc@0 { + compatible = "st,st21nfcb-spi"; + reg = <0>; + + spi-max-frequency = <4000000>; + + interrupt-parent = <&gpio5>; + interrupts = <2 IRQ_TYPE_EDGE_RISING>; + reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; + + ese-present; + uicc-present; + }; + }; diff --git a/dts/Bindings/net/nfc/st,st21nfca.yaml b/dts/Bindings/net/nfc/st,st21nfca.yaml new file mode 100644 index 0000000000..4356eacde8 --- /dev/null +++ b/dts/Bindings/net/nfc/st,st21nfca.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/st,st21nfca.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics SAS ST21NFCA NFC controller + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +properties: + compatible: + const: st,st21nfca-i2c + + enable-gpios: + description: Output GPIO pin used for enabling/disabling the controller + + ese-present: + type: boolean + description: | + Specifies that an ese is physically connected to the controller + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + uicc-present: + type: boolean + description: | + Specifies that the uicc swp signal can be physically connected to the + controller + +required: + - compatible + - enable-gpios + - interrupts + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@1 { + compatible = "st,st21nfca-i2c"; + reg = <0x1>; + + interrupt-parent = <&gpio5>; + interrupts = <2 IRQ_TYPE_LEVEL_LOW>; + enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; + + ese-present; + uicc-present; + }; + }; diff --git a/dts/Bindings/net/nfc/st,st95hf.yaml b/dts/Bindings/net/nfc/st,st95hf.yaml new file mode 100644 index 0000000000..d3bca37603 --- /dev/null +++ b/dts/Bindings/net/nfc/st,st95hf.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/st,st95hf.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics ST95HF NFC controller + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +properties: + compatible: + const: st,st95hf + + enable-gpio: + description: Output GPIO pin used for enabling/disabling the controller + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + st95hfvin-supply: + description: ST95HF transceiver's Vin regulator supply + + spi-max-frequency: true + +required: + - compatible + - enable-gpio + - interrupts + - reg + - spi-max-frequency + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + nfc@0{ + compatible = "st,st95hf"; + reg = <0>; + + spi-max-frequency = <1000000>; + enable-gpio = <&pio4 GPIO_ACTIVE_HIGH>; + interrupt-parent = <&pio0>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + }; + }; diff --git a/dts/Bindings/net/nfc/st-nci-i2c.txt b/dts/Bindings/net/nfc/st-nci-i2c.txt deleted file mode 100644 index baa8f8133d..0000000000 --- a/dts/Bindings/net/nfc/st-nci-i2c.txt +++ /dev/null @@ -1,38 +0,0 @@ -* STMicroelectronics SAS. ST NCI NFC Controller - -Required properties: -- compatible: Should be "st,st21nfcb-i2c" or "st,st21nfcc-i2c". -- clock-frequency: I²C work frequency. -- reg: address on the bus -- interrupts: GPIO interrupt to which the chip is connected -- reset-gpios: Output GPIO pin used to reset the ST21NFCB - -Optional SoC Specific Properties: -- pinctrl-names: Contains only one value - "default". -- pintctrl-0: Specifies the pin control groups used for this controller. -- ese-present: Specifies that an ese is physically connected to the nfc -controller. -- uicc-present: Specifies that the uicc swp signal can be physically -connected to the nfc controller. - -Example (for ARM-based BeagleBoard xM with ST21NFCB on I2C2): - -&i2c2 { - - - st21nfcb: st21nfcb@8 { - - compatible = "st,st21nfcb-i2c"; - - reg = <0x08>; - clock-frequency = <400000>; - - interrupt-parent = <&gpio5>; - interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; - - reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; - - ese-present; - uicc-present; - }; -}; diff --git a/dts/Bindings/net/nfc/st-nci-spi.txt b/dts/Bindings/net/nfc/st-nci-spi.txt deleted file mode 100644 index d33343330b..0000000000 --- a/dts/Bindings/net/nfc/st-nci-spi.txt +++ /dev/null @@ -1,36 +0,0 @@ -* STMicroelectronics SAS. ST NCI NFC Controller - -Required properties: -- compatible: Should be "st,st21nfcb-spi" -- spi-max-frequency: Maximum SPI frequency (<= 4000000). -- interrupts: GPIO interrupt to which the chip is connected -- reset-gpios: Output GPIO pin used to reset the ST21NFCB - -Optional SoC Specific Properties: -- pinctrl-names: Contains only one value - "default". -- pintctrl-0: Specifies the pin control groups used for this controller. -- ese-present: Specifies that an ese is physically connected to the nfc -controller. -- uicc-present: Specifies that the uicc swp signal can be physically -connected to the nfc controller. - -Example (for ARM-based BeagleBoard xM with ST21NFCB on SPI4): - -&mcspi4 { - - - st21nfcb: st21nfcb@0 { - - compatible = "st,st21nfcb-spi"; - - clock-frequency = <4000000>; - - interrupt-parent = <&gpio5>; - interrupts = <2 IRQ_TYPE_EDGE_RISING>; - - reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; - - ese-present; - uicc-present; - }; -}; diff --git a/dts/Bindings/net/nfc/st21nfca.txt b/dts/Bindings/net/nfc/st21nfca.txt deleted file mode 100644 index b8bd90f80e..0000000000 --- a/dts/Bindings/net/nfc/st21nfca.txt +++ /dev/null @@ -1,37 +0,0 @@ -* STMicroelectronics SAS. ST21NFCA NFC Controller - -Required properties: -- compatible: Should be "st,st21nfca-i2c". -- clock-frequency: I²C work frequency. -- reg: address on the bus -- enable-gpios: Output GPIO pin used for enabling/disabling the ST21NFCA - -Optional SoC Specific Properties: -- pinctrl-names: Contains only one value - "default". -- pintctrl-0: Specifies the pin control groups used for this controller. -- ese-present: Specifies that an ese is physically connected to the nfc -controller. -- uicc-present: Specifies that the uicc swp signal can be physically -connected to the nfc controller. - -Example (for ARM-based BeagleBoard xM with ST21NFCA on I2C2): - -&i2c2 { - - - st21nfca: st21nfca@1 { - - compatible = "st,st21nfca-i2c"; - - reg = <0x01>; - clock-frequency = <400000>; - - interrupt-parent = <&gpio5>; - interrupts = <2 IRQ_TYPE_LEVEL_LOW>; - - enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; - - ese-present; - uicc-present; - }; -}; diff --git a/dts/Bindings/net/nfc/st95hf.txt b/dts/Bindings/net/nfc/st95hf.txt deleted file mode 100644 index 3f373a1e20..0000000000 --- a/dts/Bindings/net/nfc/st95hf.txt +++ /dev/null @@ -1,45 +0,0 @@ -* STMicroelectronics : NFC Transceiver ST95HF - -ST NFC Transceiver is required to attach with SPI bus. -ST95HF node should be defined in DT as SPI slave device of SPI -master with which ST95HF transceiver is physically connected. -The properties defined below are required to be the part of DT -to include ST95HF transceiver into the platform. - -Required properties: -=================== -- reg: Address of SPI slave "ST95HF transceiver" on SPI master bus. - -- compatible: should be "st,st95hf" for ST95HF NFC transceiver - -- spi-max-frequency: Max. operating SPI frequency for ST95HF - transceiver. - -- enable-gpio: GPIO line to enable ST95HF transceiver. - -- interrupts : Standard way to define ST95HF transceiver's out - interrupt. - -Optional property: -================= -- st95hfvin-supply : This is an optional property. It contains a - phandle to ST95HF transceiver's regulator supply node in DT. - -Example: -======= -spi@9840000 { - reg = <0x9840000 0x110>; - #address-cells = <1>; - #size-cells = <0>; - cs-gpios = <&pio0 4>; - - st95hf@0{ - reg = <0>; - compatible = "st,st95hf"; - spi-max-frequency = <1000000>; - enable-gpio = <&pio4 0>; - interrupt-parent = <&pio0>; - interrupts = <7 IRQ_TYPE_EDGE_FALLING>; - }; - -}; diff --git a/dts/Bindings/net/nfc/ti,trf7970a.yaml b/dts/Bindings/net/nfc/ti,trf7970a.yaml new file mode 100644 index 0000000000..40da2ac989 --- /dev/null +++ b/dts/Bindings/net/nfc/ti,trf7970a.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/ti,trf7970a.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments TRF7970A RFID/NFC/15693 Transceiver + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + - Mark Greer <mgreer@animalcreek.com> + +properties: + compatible: + const: ti,trf7970a + + autosuspend-delay: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Specify autosuspend delay in milliseconds. + + clock-frequency: + description: | + Set to specify that the input frequency to the trf7970a is 13560000Hz or + 27120000Hz + + en2-rf-quirk: + type: boolean + description: | + Specify that the trf7970a being used has the "EN2 RF" erratum + + interrupts: + maxItems: 1 + + irq-status-read-quirk: + type: boolean + description: | + Specify that the trf7970a being used has the "IRQ Status Read" erratum + + reg: + maxItems: 1 + + spi-max-frequency: true + + ti,enable-gpios: + minItems: 1 + maxItems: 2 + description: | + One or two GPIO entries used for 'EN' and 'EN2' pins on the TRF7970A. EN2 + is optional. + + vdd-io-supply: + description: | + Regulator specifying voltage for VDD-IO + + vin-supply: + description: | + Regulator for supply voltage to VIN pin + +required: + - compatible + - interrupts + - reg + - spi-max-frequency + - ti,enable-gpios + - vin-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@0 { + compatible = "ti,trf7970a"; + reg = <0>; + + pinctrl-names = "default"; + pinctrl-0 = <&trf7970a_default>; + spi-max-frequency = <2000000>; + interrupt-parent = <&gpio2>; + interrupts = <14 0>; + + ti,enable-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>, + <&gpio2 5 GPIO_ACTIVE_HIGH>; + vin-supply = <&ldo3_reg>; + vdd-io-supply = <&ldo2_reg>; + autosuspend-delay = <30000>; + irq-status-read-quirk; + en2-rf-quirk; + clock-frequency = <27120000>; + }; + }; diff --git a/dts/Bindings/net/nfc/trf7970a.txt b/dts/Bindings/net/nfc/trf7970a.txt deleted file mode 100644 index ba1934b950..0000000000 --- a/dts/Bindings/net/nfc/trf7970a.txt +++ /dev/null @@ -1,43 +0,0 @@ -* Texas Instruments TRF7970A RFID/NFC/15693 Transceiver - -Required properties: -- compatible: Should be "ti,trf7970a". -- spi-max-frequency: Maximum SPI frequency (<= 2000000). -- interrupts: A single interrupt specifier. -- ti,enable-gpios: One or two GPIO entries used for 'EN' and 'EN2' pins on the - TRF7970A. EN2 is optional. -- vin-supply: Regulator for supply voltage to VIN pin - -Optional SoC Specific Properties: -- pinctrl-names: Contains only one value - "default". -- pintctrl-0: Specifies the pin control groups used for this controller. -- autosuspend-delay: Specify autosuspend delay in milliseconds. -- irq-status-read-quirk: Specify that the trf7970a being used has the - "IRQ Status Read" erratum. -- en2-rf-quirk: Specify that the trf7970a being used has the "EN2 RF" - erratum. -- vdd-io-supply: Regulator specifying voltage for vdd-io -- clock-frequency: Set to specify that the input frequency to the trf7970a is 13560000Hz or 27120000Hz - -Example (for ARM-based BeagleBone with TRF7970A on SPI1): - -&spi1 { - - nfc@0 { - compatible = "ti,trf7970a"; - reg = <0>; - pinctrl-names = "default"; - pinctrl-0 = <&trf7970a_default>; - spi-max-frequency = <2000000>; - interrupt-parent = <&gpio2>; - interrupts = <14 0>; - ti,enable-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>, - <&gpio2 5 GPIO_ACTIVE_HIGH>; - vin-supply = <&ldo3_reg>; - vdd-io-supply = <&ldo2_reg>; - autosuspend-delay = <30000>; - irq-status-read-quirk; - en2-rf-quirk; - clock-frequency = <27120000>; - }; -}; |