[PATCH v3 17/42] dt-bindings: spi: Add Cirrus EP93xx
From: Nikita Shubin via B4 Relay <devnull+nikita.shubin.maquefel.me@kernel.org>
Date: 2023-07-21 08:15:53
Also in:
alsa-devel, b4-sent
Subsystem:
open firmware and flattened device tree bindings, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Mark Brown, Linus Torvalds
From: Nikita Shubin <nikita.shubin@maquefel.me> Add YAML bindings for ep93xx SoC SPI. Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me> --- .../devicetree/bindings/spi/cirrus,ep9301-spi.yaml | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/cirrus,ep9301-spi.yaml b/Documentation/devicetree/bindings/spi/cirrus,ep9301-spi.yaml
new file mode 100644
index 000000000000..72b8f59d01cb
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/cirrus,ep9301-spi.yaml@@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/cirrus,ep9301-spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: EP93xx SoC SPI controller + +maintainers: + - Alexander Sverdlin <alexander.sverdlin@gmail.com> + - Nikita Shubin <nikita.shubin@maquefel.me> + +allOf: + - $ref: spi-controller.yaml# + +properties: + 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 + + dmas: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #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 GPIO_ACTIVE_HIGH>; + }; + +...
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2.39.2