1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/loongson,ls2k-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Loongson-2 SoC Pinctrl Controller
8
9 maintainers:
10 - zhanghongchen <zhanghongchen@loongson.cn>
11 - Yinbo Zhu <zhuyinbo@loongson.cn>
12
13 allOf:
14 - $ref: pinctrl.yaml#
15
16 properties:
17 compatible:
18 const: loongson,ls2k-pinctrl
19
20 reg:
21 maxItems: 1
22
23 patternProperties:
24 '-pins$':
25 type: object
26
27 additionalProperties: false
28
29 patternProperties:
30 'pinmux$':
31 type: object
32 description: node for pinctrl.
33 $ref: pinmux-node.yaml#
34
35 unevaluatedProperties: false
36
37 properties:
38 groups:
39 description:
40 One or more groups of pins to mux to a certain function
41 items:
42 enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,
43 nand, sata_led, i2s, hda]
44 function:
45 description:
46 The function that a group of pins is muxed to
47 enum: [gpio, sdio, can1, can0, pwm3, pwm2, pwm1, pwm0, i2c1, i2c0,
48 nand, sata_led, i2s, hda]
49
50 required:
51 - groups
52 - function
53
54 required:
55 - compatible
56 - reg
57
58 additionalProperties: false
59
60 examples:
61 - |
62 pctrl: pinctrl@1fe00420 {
63 compatible = "loongson,ls2k-pinctrl";
64 reg = <0x1fe00420 0x18>;
65 sdio_pins_default: sdio-pins {
66 sdio-pinmux {
67 groups = "sdio";
68 function = "sdio";
69 };
70
71 sdio-det-pinmux {
72 groups = "pwm2";
73 function = "gpio";
74 };
75 };
76
77 pwm1_pins_default: pwm1-pins {
78 pinmux {
79 groups = "pwm1";
80 function = "pwm1";
81 };
82 };
83
84 pwm0_pins_default: pwm0-pins {
85 pinmux {
86 groups = "pwm0";
87 function = "pwm0";
88 };
89 };
90
91 i2c1_pins_default: i2c1-pins {
92 pinmux {
93 groups = "i2c1";
94 function = "i2c1";
95 };
96 };
97
98 i2c0_pins_default: i2c0-pins {
99 pinmux {
100 groups = "i2c0";
101 function = "i2c0";
102 };
103 };
104
105 nand_pins_default: nand-pins {
106 pinmux {
107 groups = "nand";
108 function = "nand";
109 };
110 };
111
112 hda_pins_default: hda-pins {
113 grp0-pinmux {
114 groups = "hda";
115 function = "hda";
116 };
117
118 grp1-pinmux {
119 groups = "i2s";
120 function = "gpio";
121 };
122 };
123 };
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