1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/spi/mediatek,spi-mt65xx.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: SPI Bus controller for MediaTek ARM SoCs 8 9maintainers: 10 - Leilk Liu <leilk.liu@mediatek.com> 11 12allOf: 13 - $ref: "/schemas/spi/spi-controller.yaml#" 14 15properties: 16 compatible: 17 oneOf: 18 - items: 19 - enum: 20 - mediatek,mt7629-spi 21 - mediatek,mt8365-spi 22 - const: mediatek,mt7622-spi 23 - items: 24 - enum: 25 - mediatek,mt8516-spi 26 - const: mediatek,mt2712-spi 27 - items: 28 - enum: 29 - mediatek,mt6779-spi 30 - mediatek,mt8186-spi 31 - mediatek,mt8192-spi 32 - mediatek,mt8195-spi 33 - const: mediatek,mt6765-spi 34 - items: 35 - enum: 36 - mediatek,mt7986-spi-ipm 37 - const: mediatek,spi-ipm 38 - items: 39 - enum: 40 - mediatek,mt2701-spi 41 - mediatek,mt2712-spi 42 - mediatek,mt6589-spi 43 - mediatek,mt6765-spi 44 - mediatek,mt6893-spi 45 - mediatek,mt7622-spi 46 - mediatek,mt8135-spi 47 - mediatek,mt8173-spi 48 - mediatek,mt8183-spi 49 50 reg: 51 maxItems: 1 52 53 interrupts: 54 maxItems: 1 55 56 clocks: 57 minItems: 3 58 items: 59 - description: clock used for the parent clock 60 - description: clock used for the muxes clock 61 - description: clock used for the clock gate 62 - description: clock used for the AHB bus, this clock is optional 63 64 clock-names: 65 minItems: 3 66 items: 67 - const: parent-clk 68 - const: sel-clk 69 - const: spi-clk 70 - const: hclk 71 72 mediatek,pad-select: 73 $ref: /schemas/types.yaml#/definitions/uint32-array 74 minItems: 1 75 maxItems: 4 76 items: 77 enum: [0, 1, 2, 3] 78 description: 79 specify which pins group(ck/mi/mo/cs) spi controller used. 80 This is an array. 81 82required: 83 - compatible 84 - reg 85 - interrupts 86 - clocks 87 - clock-names 88 - '#address-cells' 89 - '#size-cells' 90 91unevaluatedProperties: false 92 93examples: 94 - | 95 #include <dt-bindings/clock/mt8173-clk.h> 96 #include <dt-bindings/gpio/gpio.h> 97 #include <dt-bindings/interrupt-controller/arm-gic.h> 98 #include <dt-bindings/interrupt-controller/irq.h> 99 100 spi@1100a000 { 101 compatible = "mediatek,mt8173-spi"; 102 #address-cells = <1>; 103 #size-cells = <0>; 104 reg = <0x1100a000 0x1000>; 105 interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>; 106 clocks = <&topckgen CLK_TOP_SYSPLL3_D2>, 107 <&topckgen CLK_TOP_SPI_SEL>, 108 <&pericfg CLK_PERI_SPI0>; 109 clock-names = "parent-clk", "sel-clk", "spi-clk"; 110 cs-gpios = <&pio 105 GPIO_ACTIVE_LOW>, <&pio 72 GPIO_ACTIVE_LOW>; 111 mediatek,pad-select = <1>, <0>; 112 }; 113