xref: /linux/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml (revision 6f47c7ae8c7afaf9ad291d39f0d3974f191a7946) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm SC7280 SoC LPASS LPI TLMM
8
9maintainers:
10  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
11
12description:
13  Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
14  (LPASS) Low Power Island (LPI) of Qualcomm SC7280 SoC.
15
16properties:
17  compatible:
18    const: qcom,sc7280-lpass-lpi-pinctrl
19
20  reg:
21    maxItems: 2
22
23patternProperties:
24  "-state$":
25    oneOf:
26      - $ref: "#/$defs/qcom-sc7280-lpass-state"
27      - patternProperties:
28          "-pins$":
29            $ref: "#/$defs/qcom-sc7280-lpass-state"
30        additionalProperties: false
31
32$defs:
33  qcom-sc7280-lpass-state:
34    type: object
35    description:
36      Pinctrl node's client devices use subnodes for desired pin configuration.
37      Client device subnodes use below standard properties.
38    $ref: qcom,lpass-lpi-common.yaml#/$defs/qcom-tlmm-state
39    unevaluatedProperties: false
40
41    properties:
42      pins:
43        description:
44          List of gpio pins affected by the properties specified in this
45          subnode.
46        items:
47          oneOf:
48            - pattern: "^gpio([0-9]|1[0-4])$"
49        minItems: 1
50        maxItems: 15
51
52      function:
53        enum: [ gpio, swr_tx_clk, qua_mi2s_sclk, swr_tx_data, qua_mi2s_ws,
54                qua_mi2s_data, swr_rx_clk, swr_rx_data, dmic1_clk, i2s1_clk,
55                dmic1_data, i2s1_ws, dmic2_clk, dmic2_data, i2s1_data,
56                i2s2_clk, wsa_swr_clk, i2s2_ws, wsa_swr_data, dmic3_clk,
57                dmic3_data, i2s2_data ]
58        description:
59          Specify the alternative function to be configured for the specified
60          pins.
61
62required:
63  - compatible
64  - reg
65
66allOf:
67  - $ref: qcom,lpass-lpi-common.yaml#
68
69unevaluatedProperties: false
70
71examples:
72  - |
73    lpass_tlmm: pinctrl@33c0000 {
74        compatible = "qcom,sc7280-lpass-lpi-pinctrl";
75        reg = <0x33c0000 0x20000>,
76              <0x3550000 0x10000>;
77        gpio-controller;
78        #gpio-cells = <2>;
79        gpio-ranges = <&lpass_tlmm 0 0 15>;
80
81        dmic01-state {
82            dmic01-clk-pins {
83                pins = "gpio6";
84                function = "dmic1_clk";
85            };
86
87            dmic01-clk-sleep-pins {
88                pins = "gpio6";
89                function = "dmic1_clk";
90            };
91        };
92
93        tx-swr-data-sleep-state {
94            pins = "gpio1", "gpio2", "gpio14";
95            function = "swr_tx_data";
96        };
97    };
98