1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/med
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: MediaTek MT65xx Pin Controller
8
9 maintainers:
10 - Sean Wang <sean.wang@kernel.org>
11
12 description:
13 The MediaTek's MT65xx Pin controller is used
14
15 properties:
16 compatible:
17 enum:
18 - mediatek,mt2701-pinctrl
19 - mediatek,mt2712-pinctrl
20 - mediatek,mt6397-pinctrl
21 - mediatek,mt7623-pinctrl
22 - mediatek,mt8127-pinctrl
23 - mediatek,mt8135-pinctrl
24 - mediatek,mt8167-pinctrl
25 - mediatek,mt8173-pinctrl
26 - mediatek,mt8516-pinctrl
27
28 reg:
29 maxItems: 1
30
31 pins-are-numbered:
32 $ref: /schemas/types.yaml#/definitions/fla
33 description:
34 Specify the subnodes are using numbered
35 deprecated: true
36
37 gpio-controller: true
38
39 "#gpio-cells":
40 const: 2
41 description:
42 Number of cells in GPIO specifier. Since
43 the amount of cells must be specified as
44 binding representation for description o
45
46 mediatek,pctl-regmap:
47 $ref: /schemas/types.yaml#/definitions/pha
48 items:
49 maxItems: 1
50 minItems: 1
51 maxItems: 2
52 description:
53 Should be phandles of the syscfg node.
54
55 interrupt-controller: true
56
57 interrupts:
58 minItems: 1
59 maxItems: 3
60
61 "#interrupt-cells":
62 const: 2
63
64 required:
65 - compatible
66 - gpio-controller
67 - "#gpio-cells"
68
69 allOf:
70 - $ref: pinctrl.yaml#
71
72 patternProperties:
73 'pins$':
74 type: object
75 additionalProperties: false
76 patternProperties:
77 '(^pins|pins?$)':
78 type: object
79 additionalProperties: false
80 description:
81 A pinctrl node should contain at lea
82 pinctrl groups available on the mach
83 pins it needs, and how they should b
84 configuration, pullups, drive streng
85 schmitt.
86 $ref: /schemas/pinctrl/pincfg-node.yam
87
88 properties:
89 pinmux:
90 description:
91 Integer array, represents gpio p
92 Supported pin number and mux var
93 defined as macros in dt-bindings
94
95 bias-disable: true
96
97 bias-pull-up:
98 description:
99 Besides generic pinconfig option
100 settings for 2 pull resistors, R
101 special pins. Some macros have b
102 as MTK_PUPD_SET_R1R0_00. See dt-
103 valid arguments.
104
105 bias-pull-down: true
106
107 input-enable: true
108
109 input-disable: true
110
111 output-low: true
112
113 output-high: true
114
115 input-schmitt-enable: true
116
117 input-schmitt-disable: true
118
119 drive-strength:
120 description:
121 Can support some arguments, such
122 etc. See dt-bindings/pinctrl/mt6
123
124 required:
125 - pinmux
126
127 additionalProperties: false
128
129 examples:
130 - |
131 #include <dt-bindings/interrupt-controller
132 #include <dt-bindings/interrupt-controller
133 #include <dt-bindings/pinctrl/mt8135-pinfu
134
135 soc {
136 #address-cells = <2>;
137 #size-cells = <2>;
138
139 syscfg_pctl_a: syscfg-pctl-a@10005000
140 compatible = "mediatek,mt8135-pctl-a
141 reg = <0 0x10005000 0 0x1000>;
142 };
143
144 syscfg_pctl_b: syscfg-pctl-b@1020c020
145 compatible = "mediatek,mt8135-pctl-b
146 reg = <0 0x1020C020 0 0x1000>;
147 };
148
149 pinctrl@1c20800 {
150 compatible = "mediatek,mt8135-pinctr
151 reg = <0 0x1000B000 0 0x1000>;
152 mediatek,pctl-regmap = <&syscfg_pctl
153 gpio-controller;
154 #gpio-cells = <2>;
155 interrupt-controller;
156 #interrupt-cells = <2>;
157 interrupts = <GIC_SPI 116 IRQ_TYPE_L
158 <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH
159 <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH
160
161 i2c0_pins_a: i2c0-pins {
162 pins1 {
163 pinmux = <MT8135_PIN_100_SDA0__F
164 <MT8135_PIN_101_SCL0__FUNC_SCL
165 bias-disable;
166 };
167 };
168
169 i2c1_pins_a: i2c1-pins {
170 pins {
171 pinmux = <MT8135_PIN_195_SDA1__F
172 <MT8135_PIN_196_SCL1__FUNC_SCL
173 bias-pull-up = <MTK_PUPD_SET_R1R
174 };
175 };
176
177 i2c2_pins_a: i2c2-pins {
178 pins1 {
179 pinmux = <MT8135_PIN_193_SDA2__F
180 bias-pull-down;
181 };
182
183 pins2 {
184 pinmux = <MT8135_PIN_49_WATCHDOG
185 bias-pull-up;
186 };
187 };
188
189 i2c3_pins_a: i2c3-pins {
190 pins1 {
191 pinmux = <MT8135_PIN_40_DAC_CLK_
192 <MT8135_PIN_41_DAC_WS__FUNC_GP
193 bias-pull-up = <MTK_PUPD_SET_R1R
194 };
195
196 pins2 {
197 pinmux = <MT8135_PIN_35_SCL3__FU
198 <MT8135_PIN_36_SDA3__FUNC_SDA3
199 output-low;
200 bias-pull-up = <MTK_PUPD_SET_R1R
201 };
202
203 pins3 {
204 pinmux = <MT8135_PIN_57_JTCK__FU
205 <MT8135_PIN_60_JTDI__FUNC_JTDI
206 drive-strength = <32>;
207 };
208 };
209 };
210 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.