Add YAML bindings for ep93xx SoC SPI. Signed-off-by: Nikita Shubin <nikita.shubin@xxxxxxxxxxx> --- Notes: v0 -> v1: Krzysztof Kozlowski: - replaced maintainers - removed wildcards - use fallback compatible and list all possible compatibles - drop quotes in ref - dropped "clock-names" - dropped label - fix ident .../devicetree/bindings/spi/spi-ep9301.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-ep9301.yaml diff --git a/Documentation/devicetree/bindings/spi/spi-ep9301.yaml b/Documentation/devicetree/bindings/spi/spi-ep9301.yaml new file mode 100644 index 000000000000..c363b25a3074 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-ep9301.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/spi-ep9301.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: EP93xx SoC SPI controller + +maintainers: + - Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx> + - Nikita Shubin <nikita.shubin@xxxxxxxxxxx> + +allOf: + - $ref: spi-controller.yaml# + +properties: + "#address-cells": true + "#size-cells": true + + compatible: + oneOf: + - const: cirrus,ep9301-spi + - items: + - enum: + - cirrus,ep9302-spi + - cirrus,ep9307-spi + - cirrus,ep9312-spi + - cirrus,ep9315-spi + - const: cirrus,ep9301-spi + + reg: + items: + - description: SPI registers region + + interrupts: + maxItems: 1 + + clocks: + items: + - description: SPI Controller reference clock source + + cs-gpios: true + + cirrus,ep9301-use-dma: + description: Flag indicating that the SPI should use dma + type: boolean + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/cirrus,ep93xx-clock.h> + spi@808a0000 { + compatible = "cirrus,ep9301-spi"; + reg = <0x808a0000 0x18>; + interrupt-parent = <&vic1>; + interrupts = <21>; + clocks = <&syscon EP93XX_CLK_SPI>; + cs-gpios = <&gpio5 2 0>; + cirrus,ep9301-use-dma; + }; + +... -- 2.37.4