From 97266c4d05345f9b500d10c3caa1070249e895e7 Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Tue, 21 May 2019 16:23:25 -0500 Subject: spi: dt-bindings: Convert spi-gpio binding to json-schema Convert the spi-gpio binding to DT schema format. Cc: Mark Brown Cc: Linus Walleij Cc: linux-spi@vger.kernel.org Signed-off-by: Rob Herring Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/spi/spi-gpio.txt | 43 ------------- .../devicetree/bindings/spi/spi-gpio.yaml | 72 ++++++++++++++++++++++ 2 files changed, 72 insertions(+), 43 deletions(-) delete mode 100644 Documentation/devicetree/bindings/spi/spi-gpio.txt create mode 100644 Documentation/devicetree/bindings/spi/spi-gpio.yaml (limited to 'Documentation/devicetree/bindings/spi') diff --git a/Documentation/devicetree/bindings/spi/spi-gpio.txt b/Documentation/devicetree/bindings/spi/spi-gpio.txt deleted file mode 100644 index 52db562f17a4..000000000000 --- a/Documentation/devicetree/bindings/spi/spi-gpio.txt +++ /dev/null @@ -1,43 +0,0 @@ -SPI-GPIO devicetree bindings - -This represents a group of 3-n GPIO lines used for bit-banged SPI on dedicated -GPIO lines. - -Required properties: - - - compatible: should be set to "spi-gpio" - - #address-cells: should be set to <0x1> - - ranges - - sck-gpios: GPIO spec for the SCK line to use - - miso-gpios: GPIO spec for the MISO line to use - - mosi-gpios: GPIO spec for the MOSI line to use - - cs-gpios: GPIOs to use for chipselect lines. - Not needed if num-chipselects = <0>. - - num-chipselects: Number of chipselect lines. Should be <0> if a single device - with no chip select is connected. - -Deprecated bindings: - -These legacy GPIO line bindings can alternatively be used to define the -GPIO lines used, they should not be used in new device trees. - - - gpio-sck: GPIO spec for the SCK line to use - - gpio-miso: GPIO spec for the MISO line to use - - gpio-mosi: GPIO spec for the MOSI line to use - -Example: - - spi { - compatible = "spi-gpio"; - #address-cells = <0x1>; - ranges; - - sck-gpios = <&gpio 95 0>; - miso-gpios = <&gpio 98 0>; - mosi-gpios = <&gpio 97 0>; - cs-gpios = <&gpio 125 0>; - num-chipselects = <1>; - - /* clients */ - }; - diff --git a/Documentation/devicetree/bindings/spi/spi-gpio.yaml b/Documentation/devicetree/bindings/spi/spi-gpio.yaml new file mode 100644 index 000000000000..55c4f1705f07 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-gpio.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/spi-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SPI-GPIO devicetree bindings + +maintainers: + - Rob Herring + +description: + This represents a group of 3-n GPIO lines used for bit-banged SPI on + dedicated GPIO lines. + +allOf: + - $ref: "/schemas/spi/spi-controller.yaml#" + +properties: + compatible: + const: spi-gpio + + sck-gpios: + description: GPIO spec for the SCK line to use + maxItems: 1 + + miso-gpios: + description: GPIO spec for the MISO line to use + maxItems: 1 + + mosi-gpios: + description: GPIO spec for the MOSI line to use + maxItems: 1 + + cs-gpios: + description: GPIOs to use for chipselect lines. + Not needed if num-chipselects = <0>. + minItems: 1 + maxItems: 1024 + + num-chipselects: + description: Number of chipselect lines. Should be <0> if a single device + with no chip select is connected. + $ref: "/schemas/types.yaml#/definitions/uint32" + + # Deprecated properties + gpio-sck: false + gpio-miso: false + gpio-mosi: false + +required: + - compatible + - num-chipselects + - sck-gpios + +examples: + - | + spi { + compatible = "spi-gpio"; + #address-cells = <0x1>; + #size-cells = <0x0>; + + sck-gpios = <&gpio 95 0>; + miso-gpios = <&gpio 98 0>; + mosi-gpios = <&gpio 97 0>; + cs-gpios = <&gpio 125 0>; + num-chipselects = <1>; + + /* clients */ + }; + +... -- cgit v1.2.3