xref: /linux/Documentation/devicetree/bindings/pinctrl/qcom,sm8650-lpass-lpi-pinctrl.yaml (revision a23e1966932464e1c5226cb9ac4ce1d5fc10ba22) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/qcom,sm8650-lpass-lpi-pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm SM8650 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 SM8650 SoC.
16
17properties:
18  compatible:
19    const: qcom,sm8650-lpass-lpi-pinctrl
20
21  reg:
22    items:
23      - description: LPASS LPI TLMM Control and Status 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
35patternProperties:
36  "-state$":
37    oneOf:
38      - $ref: "#/$defs/qcom-sm8650-lpass-state"
39      - patternProperties:
40          "-pins$":
41            $ref: "#/$defs/qcom-sm8650-lpass-state"
42        additionalProperties: false
43
44$defs:
45  qcom-sm8650-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[0-9]|2[0-2])$"
60
61      function:
62        enum: [ dmic1_clk, dmic1_data, dmic2_clk, dmic2_data, dmic3_clk,
63                dmic3_data, dmic4_clk, dmic4_data, ext_mclk1_a, ext_mclk1_b,
64                ext_mclk1_c, ext_mclk1_d, ext_mclk1_e, gpio, i2s0_clk,
65                i2s0_data, i2s0_ws, i2s1_clk, i2s1_data, i2s1_ws, i2s2_clk,
66                i2s2_data, i2s2_ws, i2s3_clk, i2s3_data, i2s3_ws, i2s4_clk,
67                i2s4_data, i2s4_ws, qca_swr_clk, qca_swr_data, slimbus_clk,
68                slimbus_data, swr_rx_clk, swr_rx_data, swr_tx_clk, swr_tx_data,
69                wsa_swr_clk, wsa_swr_data, wsa2_swr_clk, wsa2_swr_data ]
70        description:
71          Specify the alternative function to be configured for the specified
72          pins.
73
74allOf:
75  - $ref: qcom,lpass-lpi-common.yaml#
76
77required:
78  - compatible
79  - reg
80  - clocks
81  - clock-names
82
83unevaluatedProperties: false
84
85examples:
86  - |
87    #include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
88
89    lpass_tlmm: pinctrl@6e80000 {
90        compatible = "qcom,sm8650-lpass-lpi-pinctrl";
91        reg = <0x06e80000 0x20000>;
92
93        clocks = <&q6prmcc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
94                 <&q6prmcc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
95        clock-names = "core", "audio";
96
97        gpio-controller;
98        #gpio-cells = <2>;
99        gpio-ranges = <&lpass_tlmm 0 0 23>;
100
101        tx-swr-sleep-clk-state {
102            pins = "gpio0";
103            function = "swr_tx_clk";
104            drive-strength = <2>;
105            bias-pull-down;
106        };
107    };
108