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
7 title: SPI Bus controller for MediaTek ARM SoCs
8
9 maintainers:
10 - Leilk Liu <leilk.liu@mediatek.com>
11
12 allOf:
13 - $ref: /schemas/spi/spi-controller.yaml#
14
15 properties:
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,mt7981-spi-ipm
37 - mediatek,mt7986-spi-ipm
38 - mediatek,mt8188-spi-ipm
39 - const: mediatek,spi-ipm
40 - items:
41 - enum:
42 - mediatek,mt2701-spi
43 - mediatek,mt2712-spi
44 - mediatek,mt6589-spi
45 - mediatek,mt6765-spi
46 - mediatek,mt6893-spi
47 - mediatek,mt7622-spi
48 - mediatek,mt8135-spi
49 - mediatek,mt8173-spi
50 - mediatek,mt8183-spi
51
52 reg:
53 maxItems: 1
54
55 interrupts:
56 maxItems: 1
57
58 clocks:
59 minItems: 3
60 items:
61 - description: clock used for the parent clock
62 - description: clock used for the muxes clock
63 - description: clock used for the clock gate
64 - description: clock used for the AHB bus, this clock is optional
65
66 clock-names:
67 minItems: 3
68 items:
69 - const: parent-clk
70 - const: sel-clk
71 - const: spi-clk
72 - const: hclk
73
74 mediatek,pad-select:
75 $ref: /schemas/types.yaml#/definitions/uint32-array
76 minItems: 1
77 maxItems: 4
78 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
84 required:
85 - compatible
86 - reg
87 - interrupts
88 - clocks
89 - clock-names
90 - '#address-cells'
91 - '#size-cells'
92
93 unevaluatedProperties: false
94
95 examples:
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 };
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