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Diffstat (limited to 'Documentation/devicetree/bindings/spi/allwinner,sun4i-a10-spi.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/spi/allwinner,sun4i-a10-spi.yaml | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/allwinner,sun4i-a10-spi.yaml b/Documentation/devicetree/bindings/spi/allwinner,sun4i-a10-spi.yaml new file mode 100644 index 000000000..f1176a28f --- /dev/null +++ b/Documentation/devicetree/bindings/spi/allwinner,sun4i-a10-spi.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/allwinner,sun4i-a10-spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 SPI Controller + +allOf: + - $ref: "spi-controller.yaml" + +maintainers: + - Chen-Yu Tsai <wens@csie.org> + - Maxime Ripard <mripard@kernel.org> + +properties: + "#address-cells": true + "#size-cells": true + + compatible: + const: allwinner,sun4i-a10-spi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Bus Clock + - description: Module Clock + + clock-names: + items: + - const: ahb + - const: mod + + dmas: + items: + - description: RX DMA Channel + - description: TX DMA Channel + + dma-names: + items: + - const: rx + - const: tx + + num-cs: true + +patternProperties: + "^.*@[0-9a-f]+": + type: object + properties: + reg: + items: + minimum: 0 + maximum: 4 + + spi-rx-bus-width: + const: 1 + + spi-tx-bus-width: + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + spi1: spi@1c06000 { + compatible = "allwinner,sun4i-a10-spi"; + reg = <0x01c06000 0x1000>; + interrupts = <11>; + clocks = <&ahb_gates 21>, <&spi1_clk>; + clock-names = "ahb", "mod"; + #address-cells = <1>; + #size-cells = <0>; + }; + +... |