# SPDX-License-Identifier: GPL-2.0 %YAML 1.2 --- $id: http://devicetree.org/schemas/spi/allwinner,sun6i-a31-spi.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Allwinner A31 SPI Controller allOf: - $ref: spi-controller.yaml maintainers: - Chen-Yu Tsai - Maxime Ripard properties: compatible: oneOf: - const: allwinner,sun50i-r329-spi - const: allwinner,sun6i-a31-spi - const: allwinner,sun8i-h3-spi - items: - enum: - allwinner,sun8i-r40-spi - allwinner,sun50i-h6-spi - allwinner,sun50i-h616-spi - allwinner,suniv-f1c100s-spi - const: allwinner,sun8i-h3-spi - items: - enum: - allwinner,sun20i-d1-spi - allwinner,sun50i-r329-spi-dbi - const: allwinner,sun50i-r329-spi - items: - const: allwinner,sun20i-d1-spi-dbi - const: allwinner,sun50i-r329-spi-dbi - const: allwinner,sun50i-r329-spi reg: maxItems: 1 interrupts: maxItems: 1 clocks: items: - description: Bus Clock - description: Module Clock clock-names: items: - const: ahb - const: mod resets: maxItems: 1 dmas: items: - description: RX DMA Channel - description: TX DMA Channel dma-names: items: - const: rx - const: tx patternProperties: "^.*@[0-9a-f]+": type: object additionalProperties: true 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 unevaluatedProperties: false examples: - | spi1: spi@1c69000 { compatible = "allwinner,sun6i-a31-spi"; reg = <0x01c69000 0x1000>; interrupts = <0 66 4>; clocks = <&ahb1_gates 21>, <&spi1_clk>; clock-names = "ahb", "mod"; resets = <&ahb1_rst 21>; #address-cells = <1>; #size-cells = <0>; }; - | spi0: spi@1c68000 { compatible = "allwinner,sun8i-h3-spi"; reg = <0x01c68000 0x1000>; interrupts = <0 65 4>; clocks = <&ccu 30>, <&ccu 82>; clock-names = "ahb", "mod"; dmas = <&dma 23>, <&dma 23>; dma-names = "rx", "tx"; resets = <&ccu 15>; #address-cells = <1>; #size-cells = <0>; }; ...