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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/pinctrl/qcom,sm4250-lpass-lpi-pinctrl.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Qualcomm SM4250 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 SM4250 SoC.15 16properties:17 compatible:18 const: qcom,sm4250-lpass-lpi-pinctrl19 20 reg:21 items:22 - description: LPASS LPI TLMM Control and Status registers23 - description: LPASS LPI MCC registers24 25 clocks:26 items:27 - description: LPASS Audio voting clock28 29 clock-names:30 items:31 - const: audio32 33patternProperties:34 "-state$":35 oneOf:36 - $ref: "#/$defs/qcom-sm4250-lpass-state"37 - patternProperties:38 "-pins$":39 $ref: "#/$defs/qcom-sm4250-lpass-state"40 additionalProperties: false41 42$defs:43 qcom-sm4250-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 pattern: "^gpio([0-9]|1[0-9]|2[0-6])$"58 59 function:60 enum: [ gpio, dmic01_clk, dmic01_data, dmic23_clk, dmic23_data,61 dmic4_clk, dmic4_data, ext_mclk0_a, ext_mclk0_b, ext_mclk1_a,62 ext_mclk1_b, ext_mclk1_c, i2s1_clk, i2s1_data, i2s1_ws,63 i2s2_clk, i2s2_data, i2s2_ws, i2s3_clk, i2s3_data, i2s3_ws,64 qua_mi2s_data, qua_mi2s_sclk, qua_mi2s_ws, slim_clk, slim_data,65 swr_rx_clk, swr_rx_data, swr_tx_clk, swr_tx_data, swr_wsa_clk,66 swr_wsa_data ]67 description:68 Specify the alternative function to be configured for the specified69 pins.70 71allOf:72 - $ref: qcom,lpass-lpi-common.yaml#73 74required:75 - compatible76 - reg77 - clocks78 - clock-names79 80unevaluatedProperties: false81 82examples:83 - |84 #include <dt-bindings/sound/qcom,q6afe.h>85 lpi_tlmm: pinctrl@a7c0000 {86 compatible = "qcom,sm4250-lpass-lpi-pinctrl";87 reg = <0xa7c0000 0x20000>,88 <0xa950000 0x10000>;89 clocks = <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;90 clock-names = "audio";91 gpio-controller;92 #gpio-cells = <2>;93 gpio-ranges = <&lpi_tlmm 0 0 19>;94 95 i2s2-active-state {96 clk-pins {97 pins = "gpio10";98 function = "i2s2_clk";99 drive-strength = <2>;100 slew-rate = <1>;101 bias-disable;102 };103 104 data-pins {105 pins = "gpio12";106 function = "i2s2_data";107 drive-strength = <2>;108 slew-rate = <1>;109 };110 };111 112 i2s2-sleep-clk-state {113 pins = "gpio10";114 function = "i2s2_clk";115 drive-strength = <2>;116 bias-pull-down;117 };118 };119