1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/pwm/mediate 4 $id: http://devicetree.org/schemas/pwm/mediatek,mt2712-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: MediaTek PWM Controller 7 title: MediaTek PWM Controller
8 8
9 maintainers: 9 maintainers:
10 - John Crispin <john@phrozen.org> 10 - John Crispin <john@phrozen.org>
11 11
12 allOf: 12 allOf:
13 - $ref: pwm.yaml# 13 - $ref: pwm.yaml#
14 14
15 properties: 15 properties:
16 compatible: 16 compatible:
17 oneOf: 17 oneOf:
18 - enum: 18 - enum:
19 - mediatek,mt2712-pwm 19 - mediatek,mt2712-pwm
20 - mediatek,mt6795-pwm 20 - mediatek,mt6795-pwm
21 - mediatek,mt7622-pwm 21 - mediatek,mt7622-pwm
22 - mediatek,mt7623-pwm 22 - mediatek,mt7623-pwm
23 - mediatek,mt7628-pwm 23 - mediatek,mt7628-pwm
24 - mediatek,mt7629-pwm 24 - mediatek,mt7629-pwm
25 - mediatek,mt7981-pwm 25 - mediatek,mt7981-pwm
26 - mediatek,mt7986-pwm 26 - mediatek,mt7986-pwm
27 - mediatek,mt7988-pwm 27 - mediatek,mt7988-pwm
28 - mediatek,mt8183-pwm 28 - mediatek,mt8183-pwm
29 - mediatek,mt8365-pwm 29 - mediatek,mt8365-pwm
30 - mediatek,mt8516-pwm 30 - mediatek,mt8516-pwm
31 - items: 31 - items:
32 - enum: 32 - enum:
33 - mediatek,mt8195-pwm 33 - mediatek,mt8195-pwm
34 - const: mediatek,mt8183-pwm 34 - const: mediatek,mt8183-pwm
35 35
36 reg: 36 reg:
37 maxItems: 1 37 maxItems: 1
38 38
39 "#pwm-cells": 39 "#pwm-cells":
40 const: 2 40 const: 2
41 41
42 interrupts: 42 interrupts:
43 maxItems: 1 43 maxItems: 1
44 44
45 clocks: 45 clocks:
46 minItems: 2 46 minItems: 2
47 maxItems: 10 47 maxItems: 10
48 48
49 clock-names: 49 clock-names:
50 description: 50 description:
51 This controller needs two input clocks f 51 This controller needs two input clocks for its core and one
52 clock for each PWM output. 52 clock for each PWM output.
53 minItems: 2 53 minItems: 2
54 items: 54 items:
55 - const: top 55 - const: top
56 - const: main 56 - const: main
57 - const: pwm1 57 - const: pwm1
58 - const: pwm2 58 - const: pwm2
59 - const: pwm3 59 - const: pwm3
60 - const: pwm4 60 - const: pwm4
61 - const: pwm5 61 - const: pwm5
62 - const: pwm6 62 - const: pwm6
63 - const: pwm7 63 - const: pwm7
64 - const: pwm8 64 - const: pwm8
65 65
66 required: 66 required:
67 - compatible 67 - compatible
68 - reg 68 - reg
69 - clocks 69 - clocks
70 - clock-names 70 - clock-names
71 71
72 additionalProperties: false 72 additionalProperties: false
73 73
74 examples: 74 examples:
75 - | 75 - |
76 #include <dt-bindings/interrupt-controller 76 #include <dt-bindings/interrupt-controller/arm-gic.h>
77 #include <dt-bindings/clock/mt2712-clk.h> 77 #include <dt-bindings/clock/mt2712-clk.h>
78 #include <dt-bindings/interrupt-controller 78 #include <dt-bindings/interrupt-controller/irq.h>
79 79
80 pwm0: pwm@11006000 { 80 pwm0: pwm@11006000 {
81 compatible = "mediatek,mt2712-pwm"; 81 compatible = "mediatek,mt2712-pwm";
82 reg = <0x11006000 0x1000>; 82 reg = <0x11006000 0x1000>;
83 #pwm-cells = <2>; 83 #pwm-cells = <2>;
84 interrupts = <GIC_SPI 77 IRQ_TYPE_LEVE 84 interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_LOW>;
85 clocks = <&topckgen CLK_TOP_PWM_SEL>, 85 clocks = <&topckgen CLK_TOP_PWM_SEL>, <&pericfg CLK_PERI_PWM>,
86 <&pericfg CLK_PERI_PWM0>, <&p 86 <&pericfg CLK_PERI_PWM0>, <&pericfg CLK_PERI_PWM1>,
87 <&pericfg CLK_PERI_PWM2>, <&p 87 <&pericfg CLK_PERI_PWM2>, <&pericfg CLK_PERI_PWM3>,
88 <&pericfg CLK_PERI_PWM4>, <&p 88 <&pericfg CLK_PERI_PWM4>, <&pericfg CLK_PERI_PWM5>,
89 <&pericfg CLK_PERI_PWM6>, <&p 89 <&pericfg CLK_PERI_PWM6>, <&pericfg CLK_PERI_PWM7>;
90 clock-names = "top", "main", 90 clock-names = "top", "main",
91 "pwm1", "pwm2", 91 "pwm1", "pwm2",
92 "pwm3", "pwm4", 92 "pwm3", "pwm4",
93 "pwm5", "pwm6", 93 "pwm5", "pwm6",
94 "pwm7", "pwm8"; 94 "pwm7", "pwm8";
95 }; 95 };
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