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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/pinctrl/qcom,sm8250-lpass-lpi-pinctrl.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Qualcomm SM8250 SoC LPASS LPI TLMM8 9maintainers:10  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>11 12description:13  Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem14  (LPASS) Low Power Island (LPI) of Qualcomm SM8250 SoC.15 16properties:17  compatible:18    const: qcom,sm8250-lpass-lpi-pinctrl19 20  reg:21    maxItems: 222 23  clocks:24    items:25      - description: LPASS Core voting clock26      - description: LPASS Audio voting clock27 28  clock-names:29    items:30      - const: core31      - const: audio32 33patternProperties:34  "-state$":35    oneOf:36      - $ref: "#/$defs/qcom-sm8250-lpass-state"37      - patternProperties:38          "-pins$":39            $ref: "#/$defs/qcom-sm8250-lpass-state"40        additionalProperties: false41 42$defs:43  qcom-sm8250-lpass-state:44    type: object45    description:46      Pinctrl node's client devices use subnodes for desired pin configuration.47      Client device subnodes use below standard properties.48    $ref: qcom,lpass-lpi-common.yaml#/$defs/qcom-tlmm-state49    unevaluatedProperties: false50 51    properties:52      pins:53        description:54          List of gpio pins affected by the properties specified in this55          subnode.56        items:57          oneOf:58            - pattern: "^gpio([0-9]|1[0-3])$"59        minItems: 160        maxItems: 1461 62      function:63        enum: [ gpio, swr_tx_clk, qua_mi2s_sclk, swr_tx_data, qua_mi2s_ws,64                qua_mi2s_data, swr_rx_clk, swr_rx_data, dmic1_clk, i2s1_clk,65                dmic1_data, i2s1_ws, dmic2_clk, dmic2_data, i2s1_data,66                i2s2_clk, wsa_swr_clk, i2s2_ws, wsa_swr_data, dmic3_clk,67                dmic3_data, i2s2_data ]68        description:69          Specify the alternative function to be configured for the specified70          pins.71 72allOf:73  - $ref: qcom,lpass-lpi-common.yaml#74 75required:76  - compatible77  - reg78  - clocks79  - clock-names80 81unevaluatedProperties: false82 83examples:84  - |85    #include <dt-bindings/sound/qcom,q6afe.h>86    lpi_tlmm: pinctrl@33c0000 {87        compatible = "qcom,sm8250-lpass-lpi-pinctrl";88        reg = <0x33c0000 0x20000>,89              <0x3550000 0x10000>;90        clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,91                 <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;92        clock-names = "core", "audio";93        gpio-controller;94        #gpio-cells = <2>;95        gpio-ranges = <&lpi_tlmm 0 0 14>;96 97        wsa-swr-active-state {98            clk-pins {99                pins = "gpio10";100                function = "wsa_swr_clk";101                drive-strength = <2>;102                slew-rate = <1>;103                bias-disable;104            };105 106            data-pins {107                pins = "gpio11";108                function = "wsa_swr_data";109                drive-strength = <2>;110                slew-rate = <1>;111            };112        };113 114        tx-swr-sleep-clk-state {115            pins = "gpio0";116            function = "swr_tx_clk";117            drive-strength = <2>;118            bias-pull-down;119        };120    };121