[PATCH v2 7/8] dt-bindings: nfc: ti,trf7970a: convert to dtschema
From: Krzysztof Kozlowski <hidden>
Date: 2021-10-11 07:40:31
Also in:
linux-wireless, lkml, netdev, oe-linux-nfc
Subsystem:
networking drivers, nfc subsystem, open firmware and flattened device tree bindings, the rest, ti trf7970a nfc driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Heidelberg, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Mark Greer
Convert the TI TRF7970A NFC to DT schema format. Signed-off-by: Krzysztof Kozlowski <redacted> --- .../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@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/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@animalcreek.com> L: linux-wireless@vger.kernel.org L: linux-nfc@lists.01.org (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
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2.30.2