Convert the TI TRF7970A NFC to DT schema format. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> --- .../bindings/net/nfc/ti,trf7970a.yaml | 98 +++++++++++++++++++ .../devicetree/bindings/net/nfc/trf7970a.txt | 43 -------- MAINTAINERS | 2 +- 3 files changed, 99 insertions(+), 44 deletions(-) create mode 100644 Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml delete mode 100644 Documentation/devicetree/bindings/net/nfc/trf7970a.txt 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 000000000000..40da2ac98978 --- /dev/null +++ b/Documentation/devicetree/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@xxxxxxxxxxxxx> + - Mark Greer <mgreer@xxxxxxxxxxxxxxx> + +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/Documentation/devicetree/bindings/net/nfc/trf7970a.txt b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt deleted file mode 100644 index ba1934b950e5..000000000000 --- a/Documentation/devicetree/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>; - }; -}; diff --git a/MAINTAINERS b/MAINTAINERS index 3294aaf5e56c..23dd7aac38a0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18916,7 +18916,7 @@ M: Mark Greer <mgreer@xxxxxxxxxxxxxxx> L: linux-wireless@xxxxxxxxxxxxxxx L: linux-nfc@xxxxxxxxxxxx (subscribers-only) S: Supported -F: Documentation/devicetree/bindings/net/nfc/trf7970a.txt +F: Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml F: drivers/nfc/trf7970a.c TI TSC2046 ADC DRIVER -- 2.30.2
