1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/qcom,sc8280xp-lpass-lpi-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Qualcomm SC8280XP SoC LPASS LPI TLMM
8
9 maintainers:
10 - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
11
12 description:
13 Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
14 (LPASS) Low Power Island (LPI) of Qualcomm SC8280XP SoC.
15
16 properties:
17 compatible:
18 const: qcom,sc8280xp-lpass-lpi-pinctrl
19
20 reg:
21 items:
22 - description: LPASS LPI TLMM Control and Status registers
23 - description: LPASS LPI MCC registers
24
25 clocks:
26 items:
27 - description: LPASS Core voting clock
28 - description: LPASS Audio voting clock
29
30 clock-names:
31 items:
32 - const: core
33 - const: audio
34
35 patternProperties:
36 "-state$":
37 oneOf:
38 - $ref: "#/$defs/qcom-sc8280xp-lpass-state"
39 - patternProperties:
40 "-pins$":
41 $ref: "#/$defs/qcom-sc8280xp-lpass-state"
42 additionalProperties: false
43
44 $defs:
45 qcom-sc8280xp-lpass-state:
46 type: object
47 description:
48 Pinctrl node's client devices use subnodes for desired pin configuration.
49 Client device subnodes use below standard properties.
50 $ref: qcom,lpass-lpi-common.yaml#/$defs/qcom-tlmm-state
51 unevaluatedProperties: false
52
53 properties:
54 pins:
55 description:
56 List of gpio pins affected by the properties specified in this
57 subnode.
58 items:
59 pattern: "^gpio([0-9]|1[0-8])$"
60
61 function:
62 enum: [ swr_tx_clk, swr_tx_data, swr_rx_clk, swr_rx_data,
63 dmic1_clk, dmic1_data, dmic2_clk, dmic2_data, dmic4_clk,
64 dmic4_data, i2s2_clk, i2s2_ws, dmic3_clk, dmic3_data,
65 qua_mi2s_sclk, qua_mi2s_ws, qua_mi2s_data, i2s1_clk, i2s1_ws,
66 i2s1_data, wsa_swr_clk, wsa_swr_data, wsa2_swr_clk,
67 wsa2_swr_data, i2s2_data, i2s3_clk, i2s3_ws, i2s3_data,
68 ext_mclk1_c, ext_mclk1_b, ext_mclk1_a ]
69 description:
70 Specify the alternative function to be configured for the specified
71 pins.
72
73 allOf:
74 - $ref: qcom,lpass-lpi-common.yaml#
75
76 required:
77 - compatible
78 - reg
79 - clocks
80 - clock-names
81
82 unevaluatedProperties: false
83
84 examples:
85 - |
86 #include <dt-bindings/sound/qcom,q6afe.h>
87 pinctrl@33c0000 {
88 compatible = "qcom,sc8280xp-lpass-lpi-pinctrl";
89 reg = <0x33c0000 0x20000>,
90 <0x3550000 0x10000>;
91 clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
92 <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
93 clock-names = "core", "audio";
94 gpio-controller;
95 #gpio-cells = <2>;
96 gpio-ranges = <&lpi_tlmm 0 0 19>;
97
98 dmic01-state {
99 dmic01-clk-pins {
100 pins = "gpio16";
101 function = "dmic1_clk";
102 };
103
104 dmic01-clk-sleep-pins {
105 pins = "gpio16";
106 function = "dmic1_clk";
107 };
108 };
109
110 tx-swr-data-sleep-state {
111 pins = "gpio0", "gpio1";
112 function = "swr_tx_data";
113 };
114 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.