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99a7fa0e75
Cleanup by removing unneeded quotes from refs and redundant blank lines. No functional impact except adjusting to preferred coding style. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Andrew Jeffery <andrew@aj.id.au> # aspeed Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> # meson Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> # st Reviewed-by: Heiko Stuebner <heiko@sntech.de> # rockchip Reviewed-by: Serge Semin <fancer.lancer@gmail.com> # synopsys Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230124083342.34869-1-krzysztof.kozlowski@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>
74 lines
1.5 KiB
YAML
74 lines
1.5 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/spi/spi-gpio.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: SPI-GPIO
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maintainers:
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- Rob Herring <robh@kernel.org>
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description:
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This represents a group of 3-n GPIO lines used for bit-banged SPI on
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dedicated GPIO lines.
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allOf:
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- $ref: /schemas/spi/spi-controller.yaml#
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properties:
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compatible:
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const: spi-gpio
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sck-gpios:
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description: GPIO spec for the SCK line to use
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maxItems: 1
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miso-gpios:
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description: GPIO spec for the MISO line to use
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maxItems: 1
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mosi-gpios:
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description: GPIO spec for the MOSI line to use
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maxItems: 1
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cs-gpios:
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description: GPIOs to use for chipselect lines.
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Not needed if num-chipselects = <0>.
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minItems: 1
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maxItems: 1024
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num-chipselects:
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description: Number of chipselect lines. Should be <0> if a single device
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with no chip select is connected.
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$ref: /schemas/types.yaml#/definitions/uint32
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# Deprecated properties
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gpio-sck: false
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gpio-miso: false
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gpio-mosi: false
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required:
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- compatible
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- num-chipselects
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- sck-gpios
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unevaluatedProperties: false
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examples:
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- |
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spi {
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compatible = "spi-gpio";
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#address-cells = <0x1>;
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#size-cells = <0x0>;
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sck-gpios = <&gpio 95 0>;
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miso-gpios = <&gpio 98 0>;
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mosi-gpios = <&gpio 97 0>;
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cs-gpios = <&gpio 125 0>;
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num-chipselects = <1>;
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/* clients */
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};
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...
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