xref: /linux/Documentation/devicetree/bindings/pinctrl/qcom,sm8350-lpass-lpi-pinctrl.yaml (revision 6f47c7ae8c7afaf9ad291d39f0d3974f191a7946) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/qcom,sm8350-lpass-lpi-pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm SM8350 SoC LPASS LPI TLMM
8
9maintainers:
10  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
12
13description:
14  Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
15  (LPASS) Low Power Island (LPI) of Qualcomm SM8350 SoC.
16
17properties:
18  compatible:
19    const: qcom,sm8350-lpass-lpi-pinctrl
20
21  reg:
22    items:
23      - description: LPASS LPI TLMM Control and Status registers
24      - description: LPASS LPI MCC registers
25
26  clocks:
27    items:
28      - description: LPASS Core voting clock
29      - description: LPASS Audio voting clock
30
31  clock-names:
32    items:
33      - const: core
34      - const: audio
35
36patternProperties:
37  "-state$":
38    oneOf:
39      - $ref: "#/$defs/qcom-sm8350-lpass-state"
40      - patternProperties:
41          "-pins$":
42            $ref: "#/$defs/qcom-sm8350-lpass-state"
43        additionalProperties: false
44
45$defs:
46  qcom-sm8350-lpass-state:
47    type: object
48    description:
49      Pinctrl node's client devices use subnodes for desired pin configuration.
50      Client device subnodes use below standard properties.
51    $ref: qcom,lpass-lpi-common.yaml#/$defs/qcom-tlmm-state
52    unevaluatedProperties: false
53
54    properties:
55      pins:
56        description:
57          List of gpio pins affected by the properties specified in this
58          subnode.
59        items:
60          pattern: "^gpio([0-9]|1[0-9]|2[0-2])$"
61
62      function:
63        enum: [ dmic1_clk, dmic1_data, dmic2_clk, dmic2_data, dmic3_clk,
64                dmic3_data, dmic4_clk, dmic4_data, ext_mclk1_a, ext_mclk1_b,
65                ext_mclk1_c, ext_mclk1_d, ext_mclk1_e, gpio, i2s0_clk,
66                i2s0_data, i2s0_ws, i2s1_clk, i2s1_data, i2s1_ws, i2s2_clk,
67                i2s2_data, i2s2_ws, i2s3_clk, i2s3_data, i2s3_ws, i2s4_clk,
68                i2s4_data, i2s4_ws, slimbus_clk, slimbus_data, swr_rx_clk,
69                swr_rx_data, swr_tx_clk, swr_tx_data, wsa_swr_clk,
70                wsa_swr_data, wsa2_swr_clk, wsa2_swr_data ]
71        description:
72          Specify the alternative function to be configured for the specified
73          pins.
74
75allOf:
76  - $ref: qcom,lpass-lpi-common.yaml#
77
78required:
79  - compatible
80  - reg
81  - clocks
82  - clock-names
83
84unevaluatedProperties: false
85
86examples:
87  - |
88    #include <dt-bindings/sound/qcom,q6afe.h>
89
90    lpass_tlmm: pinctrl@33c0000 {
91        compatible = "qcom,sm8350-lpass-lpi-pinctrl";
92        reg = <0x033c0000 0x20000>,
93              <0x03550000 0x10000>;
94
95        clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
96                 <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
97        clock-names = "core", "audio";
98
99        gpio-controller;
100        #gpio-cells = <2>;
101        gpio-ranges = <&lpass_tlmm 0 0 15>;
102    };
103