xref: /openbmc/linux/Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml (revision 9a87ffc99ec8eb8d35eed7c4f816d75f5cc9662e)
108727dd7SLeilk Liu# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
208727dd7SLeilk Liu%YAML 1.2
308727dd7SLeilk Liu---
408727dd7SLeilk Liu$id: http://devicetree.org/schemas/spi/mediatek,spi-mt65xx.yaml#
508727dd7SLeilk Liu$schema: http://devicetree.org/meta-schemas/core.yaml#
608727dd7SLeilk Liu
708727dd7SLeilk Liutitle: SPI Bus controller for MediaTek ARM SoCs
808727dd7SLeilk Liu
908727dd7SLeilk Liumaintainers:
1008727dd7SLeilk Liu  - Leilk Liu <leilk.liu@mediatek.com>
1108727dd7SLeilk Liu
1208727dd7SLeilk LiuallOf:
13*99a7fa0eSKrzysztof Kozlowski  - $ref: /schemas/spi/spi-controller.yaml#
1408727dd7SLeilk Liu
1508727dd7SLeilk Liuproperties:
1608727dd7SLeilk Liu  compatible:
1708727dd7SLeilk Liu    oneOf:
1808727dd7SLeilk Liu      - items:
1908727dd7SLeilk Liu          - enum:
2008727dd7SLeilk Liu              - mediatek,mt7629-spi
21901fc8e8SFabien Parent              - mediatek,mt8365-spi
2208727dd7SLeilk Liu          - const: mediatek,mt7622-spi
2308727dd7SLeilk Liu      - items:
2408727dd7SLeilk Liu          - enum:
2508727dd7SLeilk Liu              - mediatek,mt8516-spi
2608727dd7SLeilk Liu          - const: mediatek,mt2712-spi
2708727dd7SLeilk Liu      - items:
2808727dd7SLeilk Liu          - enum:
2908727dd7SLeilk Liu              - mediatek,mt6779-spi
30ccbc5d0aSLeilk Liu              - mediatek,mt8186-spi
3108727dd7SLeilk Liu              - mediatek,mt8192-spi
3208727dd7SLeilk Liu              - mediatek,mt8195-spi
3308727dd7SLeilk Liu          - const: mediatek,mt6765-spi
3408727dd7SLeilk Liu      - items:
3508727dd7SLeilk Liu          - enum:
36da40a352SLeilk Liu              - mediatek,mt7986-spi-ipm
370ee0ab0bSJohnson Wang              - mediatek,mt8188-spi-ipm
38da40a352SLeilk Liu          - const: mediatek,spi-ipm
39da40a352SLeilk Liu      - items:
40da40a352SLeilk Liu          - enum:
4108727dd7SLeilk Liu              - mediatek,mt2701-spi
4208727dd7SLeilk Liu              - mediatek,mt2712-spi
4308727dd7SLeilk Liu              - mediatek,mt6589-spi
4408727dd7SLeilk Liu              - mediatek,mt6765-spi
4508727dd7SLeilk Liu              - mediatek,mt6893-spi
4608727dd7SLeilk Liu              - mediatek,mt7622-spi
4708727dd7SLeilk Liu              - mediatek,mt8135-spi
4808727dd7SLeilk Liu              - mediatek,mt8173-spi
4908727dd7SLeilk Liu              - mediatek,mt8183-spi
5008727dd7SLeilk Liu
5108727dd7SLeilk Liu  reg:
5208727dd7SLeilk Liu    maxItems: 1
5308727dd7SLeilk Liu
5408727dd7SLeilk Liu  interrupts:
5508727dd7SLeilk Liu    maxItems: 1
5608727dd7SLeilk Liu
5708727dd7SLeilk Liu  clocks:
58a4765dfbSLeilk Liu    minItems: 3
5908727dd7SLeilk Liu    items:
6008727dd7SLeilk Liu      - description: clock used for the parent clock
6108727dd7SLeilk Liu      - description: clock used for the muxes clock
6208727dd7SLeilk Liu      - description: clock used for the clock gate
63a4765dfbSLeilk Liu      - description: clock used for the AHB bus, this clock is optional
6408727dd7SLeilk Liu
6508727dd7SLeilk Liu  clock-names:
66a4765dfbSLeilk Liu    minItems: 3
6708727dd7SLeilk Liu    items:
6808727dd7SLeilk Liu      - const: parent-clk
6908727dd7SLeilk Liu      - const: sel-clk
7008727dd7SLeilk Liu      - const: spi-clk
71a4765dfbSLeilk Liu      - const: hclk
7208727dd7SLeilk Liu
7308727dd7SLeilk Liu  mediatek,pad-select:
7408727dd7SLeilk Liu    $ref: /schemas/types.yaml#/definitions/uint32-array
75d149dd2aSRob Herring    minItems: 1
7608727dd7SLeilk Liu    maxItems: 4
7708727dd7SLeilk Liu    items:
7808727dd7SLeilk Liu      enum: [0, 1, 2, 3]
7908727dd7SLeilk Liu    description:
8008727dd7SLeilk Liu      specify which pins group(ck/mi/mo/cs) spi controller used.
8108727dd7SLeilk Liu      This is an array.
8208727dd7SLeilk Liu
8308727dd7SLeilk Liurequired:
8408727dd7SLeilk Liu  - compatible
8508727dd7SLeilk Liu  - reg
8608727dd7SLeilk Liu  - interrupts
8708727dd7SLeilk Liu  - clocks
8808727dd7SLeilk Liu  - clock-names
8908727dd7SLeilk Liu  - '#address-cells'
9008727dd7SLeilk Liu  - '#size-cells'
9108727dd7SLeilk Liu
9208727dd7SLeilk LiuunevaluatedProperties: false
9308727dd7SLeilk Liu
9408727dd7SLeilk Liuexamples:
9508727dd7SLeilk Liu  - |
9608727dd7SLeilk Liu    #include <dt-bindings/clock/mt8173-clk.h>
9708727dd7SLeilk Liu    #include <dt-bindings/gpio/gpio.h>
9808727dd7SLeilk Liu    #include <dt-bindings/interrupt-controller/arm-gic.h>
9908727dd7SLeilk Liu    #include <dt-bindings/interrupt-controller/irq.h>
10008727dd7SLeilk Liu
10108727dd7SLeilk Liu    spi@1100a000 {
10208727dd7SLeilk Liu      compatible = "mediatek,mt8173-spi";
10308727dd7SLeilk Liu      #address-cells = <1>;
10408727dd7SLeilk Liu      #size-cells = <0>;
10508727dd7SLeilk Liu      reg = <0x1100a000 0x1000>;
10608727dd7SLeilk Liu      interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
10708727dd7SLeilk Liu      clocks = <&topckgen CLK_TOP_SYSPLL3_D2>,
10808727dd7SLeilk Liu               <&topckgen CLK_TOP_SPI_SEL>,
10908727dd7SLeilk Liu               <&pericfg CLK_PERI_SPI0>;
11008727dd7SLeilk Liu      clock-names = "parent-clk", "sel-clk", "spi-clk";
11108727dd7SLeilk Liu      cs-gpios = <&pio 105 GPIO_ACTIVE_LOW>, <&pio 72 GPIO_ACTIVE_LOW>;
11208727dd7SLeilk Liu      mediatek,pad-select = <1>, <0>;
11308727dd7SLeilk Liu    };
114