122 lines · yaml
1# SPDX-License-Identifier: GPL-2.02%YAML 1.23---4$id: http://devicetree.org/schemas/spi/allwinner,sun6i-a31-spi.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Allwinner A31 SPI Controller8 9allOf:10 - $ref: spi-controller.yaml11 12maintainers:13 - Chen-Yu Tsai <wens@csie.org>14 - Maxime Ripard <mripard@kernel.org>15 16properties:17 compatible:18 oneOf:19 - const: allwinner,sun50i-r329-spi20 - const: allwinner,sun6i-a31-spi21 - const: allwinner,sun8i-h3-spi22 - items:23 - enum:24 - allwinner,sun8i-r40-spi25 - allwinner,sun50i-h6-spi26 - allwinner,sun50i-h616-spi27 - allwinner,suniv-f1c100s-spi28 - const: allwinner,sun8i-h3-spi29 - items:30 - enum:31 - allwinner,sun20i-d1-spi32 - allwinner,sun50i-r329-spi-dbi33 - const: allwinner,sun50i-r329-spi34 - items:35 - const: allwinner,sun20i-d1-spi-dbi36 - const: allwinner,sun50i-r329-spi-dbi37 - const: allwinner,sun50i-r329-spi38 39 reg:40 maxItems: 141 42 interrupts:43 maxItems: 144 45 clocks:46 items:47 - description: Bus Clock48 - description: Module Clock49 50 clock-names:51 items:52 - const: ahb53 - const: mod54 55 resets:56 maxItems: 157 58 dmas:59 items:60 - description: RX DMA Channel61 - description: TX DMA Channel62 63 dma-names:64 items:65 - const: rx66 - const: tx67 68patternProperties:69 "^.*@[0-9a-f]+":70 type: object71 additionalProperties: true72 73 properties:74 reg:75 items:76 minimum: 077 maximum: 478 79 spi-rx-bus-width:80 const: 181 82 spi-tx-bus-width:83 const: 184 85required:86 - compatible87 - reg88 - interrupts89 - clocks90 - clock-names91 92unevaluatedProperties: false93 94examples:95 - |96 spi1: spi@1c69000 {97 compatible = "allwinner,sun6i-a31-spi";98 reg = <0x01c69000 0x1000>;99 interrupts = <0 66 4>;100 clocks = <&ahb1_gates 21>, <&spi1_clk>;101 clock-names = "ahb", "mod";102 resets = <&ahb1_rst 21>;103 #address-cells = <1>;104 #size-cells = <0>;105 };106 107 - |108 spi0: spi@1c68000 {109 compatible = "allwinner,sun8i-h3-spi";110 reg = <0x01c68000 0x1000>;111 interrupts = <0 65 4>;112 clocks = <&ccu 30>, <&ccu 82>;113 clock-names = "ahb", "mod";114 dmas = <&dma 23>, <&dma 23>;115 dma-names = "rx", "tx";116 resets = <&ccu 15>;117 #address-cells = <1>;118 #size-cells = <0>;119 };120 121...122