115 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---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 SoCs8 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-spi21 - mediatek,mt8365-spi22 - const: mediatek,mt7622-spi23 - items:24 - enum:25 - mediatek,mt8516-spi26 - const: mediatek,mt2712-spi27 - items:28 - enum:29 - mediatek,mt6779-spi30 - mediatek,mt8186-spi31 - mediatek,mt8192-spi32 - mediatek,mt8195-spi33 - const: mediatek,mt6765-spi34 - items:35 - enum:36 - mediatek,mt7981-spi-ipm37 - mediatek,mt7986-spi-ipm38 - mediatek,mt8188-spi-ipm39 - const: mediatek,spi-ipm40 - items:41 - enum:42 - mediatek,mt2701-spi43 - mediatek,mt2712-spi44 - mediatek,mt6589-spi45 - mediatek,mt6765-spi46 - mediatek,mt6893-spi47 - mediatek,mt7622-spi48 - mediatek,mt8135-spi49 - mediatek,mt8173-spi50 - mediatek,mt8183-spi51 52 reg:53 maxItems: 154 55 interrupts:56 maxItems: 157 58 clocks:59 minItems: 360 items:61 - description: clock used for the parent clock62 - description: clock used for the muxes clock63 - description: clock used for the clock gate64 - description: clock used for the AHB bus, this clock is optional65 66 clock-names:67 minItems: 368 items:69 - const: parent-clk70 - const: sel-clk71 - const: spi-clk72 - const: hclk73 74 mediatek,pad-select:75 $ref: /schemas/types.yaml#/definitions/uint32-array76 minItems: 177 maxItems: 478 items:79 enum: [0, 1, 2, 3]80 description:81 specify which pins group(ck/mi/mo/cs) spi controller used.82 This is an array.83 84required:85 - compatible86 - reg87 - interrupts88 - clocks89 - clock-names90 - '#address-cells'91 - '#size-cells'92 93unevaluatedProperties: false94 95examples:96 - |97 #include <dt-bindings/clock/mt8173-clk.h>98 #include <dt-bindings/gpio/gpio.h>99 #include <dt-bindings/interrupt-controller/arm-gic.h>100 #include <dt-bindings/interrupt-controller/irq.h>101 102 spi@1100a000 {103 compatible = "mediatek,mt8173-spi";104 #address-cells = <1>;105 #size-cells = <0>;106 reg = <0x1100a000 0x1000>;107 interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;108 clocks = <&topckgen CLK_TOP_SYSPLL3_D2>,109 <&topckgen CLK_TOP_SPI_SEL>,110 <&pericfg CLK_PERI_SPI0>;111 clock-names = "parent-clk", "sel-clk", "spi-clk";112 cs-gpios = <&pio 105 GPIO_ACTIVE_LOW>, <&pio 72 GPIO_ACTIVE_LOW>;113 mediatek,pad-select = <1>, <0>;114 };115