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Diffstat (limited to 'Documentation/devicetree/bindings/net/nfc')
9 files changed, 778 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/marvell,nci.yaml b/Documentation/devicetree/bindings/net/nfc/marvell,nci.yaml new file mode 100644 index 000000000..308485a8e --- /dev/null +++ b/Documentation/devicetree/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 <krzk@kernel.org> + +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 + +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: + $ref: /schemas/spi/spi-peripheral-props.yaml# + properties: + break-control: false + flow-control: false + i2c-int-falling: false + i2c-int-rising: false + required: + - reg + + - if: + properties: + compatible: + contains: + const: marvell,nfc-uart + then: + properties: + i2c-int-falling: false + i2c-int-rising: false + interrupts: false + spi-cpha: false + spi-cpol: false + spi-max-frequency: false + reg: false + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@8 { + compatible = "marvell,nfc-i2c"; + reg = <0x8>; + + interrupt-parent = <&gpio3>; + interrupts = <21 IRQ_TYPE_EDGE_RISING>; + + i2c-int-rising; + + reset-n-io = <&gpio3 19 GPIO_ACTIVE_LOW>; + }; + }; + + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + nfc@0 { + compatible = "marvell,nfc-spi"; + reg = <0>; + + spi-max-frequency = <3000000>; + spi-cpha; + spi-cpol; + + interrupt-parent = <&gpio1>; + interrupts = <17 IRQ_TYPE_EDGE_RISING>; + + reset-n-io = <&gpio3 19 GPIO_ACTIVE_LOW>; + }; + }; + + - | + #include <dt-bindings/gpio/gpio.h> + + uart { + nfc { + compatible = "marvell,nfc-uart"; + + reset-n-io = <&gpio3 16 GPIO_ACTIVE_LOW>; + + hci-muxed; + flow-control; + }; + }; diff --git a/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml b/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml new file mode 100644 index 000000000..b25584212 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/nxp,nci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Semiconductors NCI NFC controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +properties: + compatible: + oneOf: + - const: nxp,nxp-nci-i2c + - items: + - const: nxp,pn547 + - const: nxp,nxp-nci-i2c + + enable-gpios: + description: Output GPIO pin used for enabling/disabling the controller + + firmware-gpios: + description: Output GPIO pin used to enter firmware download mode + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + +required: + - compatible + - enable-gpios + - interrupts + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@29 { + compatible = "nxp,nxp-nci-i2c"; + + reg = <0x29>; + + interrupt-parent = <&gpio1>; + interrupts = <29 IRQ_TYPE_LEVEL_HIGH>; + + enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; + }; + }; diff --git a/Documentation/devicetree/bindings/net/nfc/nxp,pn532.yaml b/Documentation/devicetree/bindings/net/nfc/nxp,pn532.yaml new file mode 100644 index 000000000..0509e0166 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/nxp,pn532.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/nxp,pn532.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Semiconductors PN532 NFC controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +properties: + compatible: + oneOf: + - const: nxp,pn532 + - description: Deprecated bindings + enum: + - nxp,pn532-i2c + - nxp,pn533-i2c + deprecated: true + + interrupts: + description: Required if connected via I2C + maxItems: 1 + + reg: + description: Required if connected via I2C + maxItems: 1 + +required: + - compatible + +dependencies: + interrupts: [ 'reg' ] + +additionalProperties: false + +examples: + # PN532 on I2C bus + - | + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@24 { + compatible = "nxp,pn532"; + + reg = <0x24>; + + interrupt-parent = <&gpio1>; + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + + # PN532 connected via UART + - | + serial@49042000 { + reg = <0x49042000 0x400>; + + nfc { + compatible = "nxp,pn532"; + }; + }; diff --git a/Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml b/Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml new file mode 100644 index 000000000..18b3a7d81 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/nxp,pn544.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Semiconductors PN544 NFC Controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +properties: + compatible: + const: nxp,pn544-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + enable-gpios: + description: Output GPIO pin used for enabling/disabling the PN544 + maxItems: 1 + + firmware-gpios: + description: Output GPIO pin used to enter firmware download mode + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - enable-gpios + - firmware-gpios + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@28 { + compatible = "nxp,pn544-i2c"; + reg = <0x28>; + + interrupt-parent = <&gpio1>; + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; + + enable-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; + }; + }; diff --git a/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml b/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml new file mode 100644 index 000000000..41c976022 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/samsung,s3fwrn5.yaml @@ -0,0 +1,99 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/samsung,s3fwrn5.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S3FWRN5 NCI NFC Controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +properties: + compatible: + enum: + - samsung,s3fwrn5-i2c + - samsung,s3fwrn82 + + en-gpios: + maxItems: 1 + description: + Output GPIO pin used for enabling/disabling the chip + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + wake-gpios: + maxItems: 1 + description: + Output GPIO pin used to enter firmware mode and sleep/wakeup control + + s3fwrn5,en-gpios: + maxItems: 1 + deprecated: true + description: + Use en-gpios + + s3fwrn5,fw-gpios: + maxItems: 1 + deprecated: true + description: + Use wake-gpios + +additionalProperties: false + +required: + - compatible + - en-gpios + - wake-gpios + +allOf: + - if: + properties: + compatible: + contains: + const: samsung,s3fwrn5-i2c + then: + required: + - interrupts + - reg + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c4 { + #address-cells = <1>; + #size-cells = <0>; + + s3fwrn5@27 { + compatible = "samsung,s3fwrn5-i2c"; + reg = <0x27>; + + interrupt-parent = <&gpa1>; + interrupts = <3 IRQ_TYPE_EDGE_RISING>; + + en-gpios = <&gpf1 4 GPIO_ACTIVE_HIGH>; + wake-gpios = <&gpj0 2 GPIO_ACTIVE_HIGH>; + + clocks = <&rpmcc 20>; + }; + }; + # UART example on Raspberry Pi + - | + uart0 { + nfc { + compatible = "samsung,s3fwrn82"; + + en-gpios = <&gpio 20 GPIO_ACTIVE_HIGH>; + wake-gpios = <&gpio 16 GPIO_ACTIVE_HIGH>; + + }; + }; diff --git a/Documentation/devicetree/bindings/net/nfc/st,st-nci.yaml b/Documentation/devicetree/bindings/net/nfc/st,st-nci.yaml new file mode 100644 index 000000000..1dcbddbc5 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/st,st-nci.yaml @@ -0,0 +1,105 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$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 <krzk@kernel.org> + +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 + + 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: + $ref: /schemas/spi/spi-peripheral-props.yaml# + required: + - spi-max-frequency + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@8 { + compatible = "st,st21nfcb-i2c"; + reg = <0x08>; + + interrupt-parent = <&gpio5>; + interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; + reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; + + ese-present; + uicc-present; + }; + }; + + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + nfc@0 { + compatible = "st,st21nfcb-spi"; + reg = <0>; + + spi-max-frequency = <4000000>; + + interrupt-parent = <&gpio5>; + interrupts = <2 IRQ_TYPE_EDGE_RISING>; + reset-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; + + ese-present; + uicc-present; + }; + }; diff --git a/Documentation/devicetree/bindings/net/nfc/st,st21nfca.yaml b/Documentation/devicetree/bindings/net/nfc/st,st21nfca.yaml new file mode 100644 index 000000000..8a7274357 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/st,st21nfca.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/st,st21nfca.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics SAS ST21NFCA NFC controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +properties: + compatible: + const: st,st21nfca-i2c + + enable-gpios: + description: Output GPIO pin used for enabling/disabling the controller + + ese-present: + type: boolean + description: | + Specifies that an ese is physically connected to the controller + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + + uicc-present: + type: boolean + description: | + Specifies that the uicc swp signal can be physically connected to the + controller + +required: + - compatible + - enable-gpios + - interrupts + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@1 { + compatible = "st,st21nfca-i2c"; + reg = <0x1>; + + interrupt-parent = <&gpio5>; + interrupts = <2 IRQ_TYPE_LEVEL_LOW>; + enable-gpios = <&gpio5 29 GPIO_ACTIVE_HIGH>; + + ese-present; + uicc-present; + }; + }; diff --git a/Documentation/devicetree/bindings/net/nfc/st,st95hf.yaml b/Documentation/devicetree/bindings/net/nfc/st,st95hf.yaml new file mode 100644 index 000000000..647569051 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/st,st95hf.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/st,st95hf.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics ST95HF NFC controller + +maintainers: + - Krzysztof Kozlowski <krzk@kernel.org> + +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 + +required: + - compatible + - enable-gpio + - interrupts + - reg + - spi-max-frequency + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + nfc@0{ + compatible = "st,st95hf"; + reg = <0>; + + spi-max-frequency = <1000000>; + enable-gpio = <&pio4 GPIO_ACTIVE_HIGH>; + interrupt-parent = <&pio0>; + interrupts = <7 IRQ_TYPE_EDGE_FALLING>; + }; + }; diff --git a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml new file mode 100644 index 000000000..9cc236ec4 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml @@ -0,0 +1,99 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$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 <krzk@kernel.org> + - 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 + + 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 + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +unevaluatedProperties: 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>; + }; + }; |