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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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cb0291776f
Add YAML bindings for ep93xx SoC SPI. Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me> Tested-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Mark Brown <broonie@kernel.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
71 lines
1.5 KiB
YAML
71 lines
1.5 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/spi/cirrus,ep9301-spi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: EP93xx SoC SPI controller
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maintainers:
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- Alexander Sverdlin <alexander.sverdlin@gmail.com>
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- Nikita Shubin <nikita.shubin@maquefel.me>
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allOf:
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- $ref: spi-controller.yaml#
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properties:
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compatible:
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oneOf:
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- const: cirrus,ep9301-spi
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- items:
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- enum:
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- cirrus,ep9302-spi
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- cirrus,ep9307-spi
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- cirrus,ep9312-spi
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- cirrus,ep9315-spi
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- const: cirrus,ep9301-spi
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reg:
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items:
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- description: SPI registers region
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interrupts:
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maxItems: 1
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clocks:
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items:
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- description: SPI Controller reference clock source
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dmas:
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items:
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- description: rx DMA channel
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- description: tx DMA channel
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dma-names:
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items:
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- const: rx
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- const: tx
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/clock/cirrus,ep9301-syscon.h>
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spi@808a0000 {
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compatible = "cirrus,ep9301-spi";
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reg = <0x808a0000 0x18>;
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interrupt-parent = <&vic1>;
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interrupts = <21>;
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clocks = <&syscon EP93XX_CLK_SPI>;
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dmas = <&dma1 10 2>, <&dma1 10 1>;
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dma-names = "rx", "tx";
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cs-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
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};
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