| # 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: |
| items: |
| - description: rx DMA channel |
| - description: tx DMA channel |
| |
| dma-names: |
| items: |
| - const: rx |
| - const: tx |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/clock/cirrus,ep9301-syscon.h> |
| spi@808a0000 { |
| compatible = "cirrus,ep9301-spi"; |
| reg = <0x808a0000 0x18>; |
| interrupt-parent = <&vic1>; |
| interrupts = <21>; |
| clocks = <&syscon EP93XX_CLK_SPI>; |
| dmas = <&dma1 10 2>, <&dma1 10 1>; |
| dma-names = "rx", "tx"; |
| cs-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>; |
| }; |
