1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 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 Controller 8 9allOf: 10 - $ref: spi-controller.yaml 11 12maintainers: 13 - Chen-Yu Tsai <wens@csie.org> 14 - Maxime Ripard <mripard@kernel.org> 15 16properties: 17 "#address-cells": true 18 "#size-cells": true 19 20 compatible: 21 oneOf: 22 - const: allwinner,sun50i-r329-spi 23 - const: allwinner,sun6i-a31-spi 24 - const: allwinner,sun8i-h3-spi 25 - items: 26 - enum: 27 - allwinner,sun8i-r40-spi 28 - allwinner,sun50i-h6-spi 29 - allwinner,sun50i-h616-spi 30 - allwinner,suniv-f1c100s-spi 31 - const: allwinner,sun8i-h3-spi 32 - items: 33 - enum: 34 - allwinner,sun20i-d1-spi 35 - allwinner,sun50i-r329-spi-dbi 36 - const: allwinner,sun50i-r329-spi 37 - items: 38 - const: allwinner,sun20i-d1-spi-dbi 39 - const: allwinner,sun50i-r329-spi-dbi 40 - const: allwinner,sun50i-r329-spi 41 42 reg: 43 maxItems: 1 44 45 interrupts: 46 maxItems: 1 47 48 clocks: 49 items: 50 - description: Bus Clock 51 - description: Module Clock 52 53 clock-names: 54 items: 55 - const: ahb 56 - const: mod 57 58 resets: 59 maxItems: 1 60 61 dmas: 62 items: 63 - description: RX DMA Channel 64 - description: TX DMA Channel 65 66 dma-names: 67 items: 68 - const: rx 69 - const: tx 70 71 num-cs: true 72 73patternProperties: 74 "^.*@[0-9a-f]+": 75 type: object 76 additionalProperties: true 77 properties: 78 reg: 79 items: 80 minimum: 0 81 maximum: 4 82 83 spi-rx-bus-width: 84 const: 1 85 86 spi-tx-bus-width: 87 const: 1 88 89required: 90 - compatible 91 - reg 92 - interrupts 93 - clocks 94 - clock-names 95 96additionalProperties: false 97 98examples: 99 - | 100 spi1: spi@1c69000 { 101 compatible = "allwinner,sun6i-a31-spi"; 102 reg = <0x01c69000 0x1000>; 103 interrupts = <0 66 4>; 104 clocks = <&ahb1_gates 21>, <&spi1_clk>; 105 clock-names = "ahb", "mod"; 106 resets = <&ahb1_rst 21>; 107 #address-cells = <1>; 108 #size-cells = <0>; 109 }; 110 111 - | 112 spi0: spi@1c68000 { 113 compatible = "allwinner,sun8i-h3-spi"; 114 reg = <0x01c68000 0x1000>; 115 interrupts = <0 65 4>; 116 clocks = <&ccu 30>, <&ccu 82>; 117 clock-names = "ahb", "mod"; 118 dmas = <&dma 23>, <&dma 23>; 119 dma-names = "rx", "tx"; 120 resets = <&ccu 15>; 121 #address-cells = <1>; 122 #size-cells = <0>; 123 }; 124 125... 126