162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
262306a36Sopenharmony_ci%YAML 1.2
362306a36Sopenharmony_ci---
462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/pinctrl/qcom,sc8280xp-lpass-lpi-pinctrl.yaml#
562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml#
662306a36Sopenharmony_ci
762306a36Sopenharmony_cititle: Qualcomm SC8280XP SoC LPASS LPI TLMM
862306a36Sopenharmony_ci
962306a36Sopenharmony_cimaintainers:
1062306a36Sopenharmony_ci  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
1162306a36Sopenharmony_ci
1262306a36Sopenharmony_cidescription:
1362306a36Sopenharmony_ci  Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
1462306a36Sopenharmony_ci  (LPASS) Low Power Island (LPI) of Qualcomm SC8280XP SoC.
1562306a36Sopenharmony_ci
1662306a36Sopenharmony_ciproperties:
1762306a36Sopenharmony_ci  compatible:
1862306a36Sopenharmony_ci    const: qcom,sc8280xp-lpass-lpi-pinctrl
1962306a36Sopenharmony_ci
2062306a36Sopenharmony_ci  reg:
2162306a36Sopenharmony_ci    items:
2262306a36Sopenharmony_ci      - description: LPASS LPI TLMM Control and Status registers
2362306a36Sopenharmony_ci      - description: LPASS LPI MCC registers
2462306a36Sopenharmony_ci
2562306a36Sopenharmony_ci  clocks:
2662306a36Sopenharmony_ci    items:
2762306a36Sopenharmony_ci      - description: LPASS Core voting clock
2862306a36Sopenharmony_ci      - description: LPASS Audio voting clock
2962306a36Sopenharmony_ci
3062306a36Sopenharmony_ci  clock-names:
3162306a36Sopenharmony_ci    items:
3262306a36Sopenharmony_ci      - const: core
3362306a36Sopenharmony_ci      - const: audio
3462306a36Sopenharmony_ci
3562306a36Sopenharmony_ci  gpio-controller: true
3662306a36Sopenharmony_ci
3762306a36Sopenharmony_ci  "#gpio-cells":
3862306a36Sopenharmony_ci    description: Specifying the pin number and flags, as defined in
3962306a36Sopenharmony_ci      include/dt-bindings/gpio/gpio.h
4062306a36Sopenharmony_ci    const: 2
4162306a36Sopenharmony_ci
4262306a36Sopenharmony_ci  gpio-ranges:
4362306a36Sopenharmony_ci    maxItems: 1
4462306a36Sopenharmony_ci
4562306a36Sopenharmony_cipatternProperties:
4662306a36Sopenharmony_ci  "-state$":
4762306a36Sopenharmony_ci    oneOf:
4862306a36Sopenharmony_ci      - $ref: "#/$defs/qcom-sc8280xp-lpass-state"
4962306a36Sopenharmony_ci      - patternProperties:
5062306a36Sopenharmony_ci          "-pins$":
5162306a36Sopenharmony_ci            $ref: "#/$defs/qcom-sc8280xp-lpass-state"
5262306a36Sopenharmony_ci        additionalProperties: false
5362306a36Sopenharmony_ci
5462306a36Sopenharmony_ci$defs:
5562306a36Sopenharmony_ci  qcom-sc8280xp-lpass-state:
5662306a36Sopenharmony_ci    type: object
5762306a36Sopenharmony_ci    description:
5862306a36Sopenharmony_ci      Pinctrl node's client devices use subnodes for desired pin configuration.
5962306a36Sopenharmony_ci      Client device subnodes use below standard properties.
6062306a36Sopenharmony_ci    $ref: /schemas/pinctrl/pincfg-node.yaml
6162306a36Sopenharmony_ci
6262306a36Sopenharmony_ci    properties:
6362306a36Sopenharmony_ci      pins:
6462306a36Sopenharmony_ci        description:
6562306a36Sopenharmony_ci          List of gpio pins affected by the properties specified in this
6662306a36Sopenharmony_ci          subnode.
6762306a36Sopenharmony_ci        items:
6862306a36Sopenharmony_ci          pattern: "^gpio([0-9]|1[0-8])$"
6962306a36Sopenharmony_ci
7062306a36Sopenharmony_ci      function:
7162306a36Sopenharmony_ci        enum: [ swr_tx_clk, swr_tx_data, swr_rx_clk, swr_rx_data,
7262306a36Sopenharmony_ci                dmic1_clk, dmic1_data, dmic2_clk, dmic2_data, dmic4_clk,
7362306a36Sopenharmony_ci                dmic4_data, i2s2_clk, i2s2_ws, dmic3_clk, dmic3_data,
7462306a36Sopenharmony_ci                qua_mi2s_sclk, qua_mi2s_ws, qua_mi2s_data, i2s1_clk, i2s1_ws,
7562306a36Sopenharmony_ci                i2s1_data, wsa_swr_clk, wsa_swr_data, wsa2_swr_clk,
7662306a36Sopenharmony_ci                wsa2_swr_data, i2s2_data, i2s3_clk, i2s3_ws, i2s3_data,
7762306a36Sopenharmony_ci                ext_mclk1_c, ext_mclk1_b, ext_mclk1_a ]
7862306a36Sopenharmony_ci        description:
7962306a36Sopenharmony_ci          Specify the alternative function to be configured for the specified
8062306a36Sopenharmony_ci          pins.
8162306a36Sopenharmony_ci
8262306a36Sopenharmony_ci      drive-strength:
8362306a36Sopenharmony_ci        enum: [2, 4, 6, 8, 10, 12, 14, 16]
8462306a36Sopenharmony_ci        default: 2
8562306a36Sopenharmony_ci        description:
8662306a36Sopenharmony_ci          Selects the drive strength for the specified pins, in mA.
8762306a36Sopenharmony_ci
8862306a36Sopenharmony_ci      slew-rate:
8962306a36Sopenharmony_ci        enum: [0, 1, 2, 3]
9062306a36Sopenharmony_ci        default: 0
9162306a36Sopenharmony_ci        description: |
9262306a36Sopenharmony_ci          0: No adjustments
9362306a36Sopenharmony_ci          1: Higher Slew rate (faster edges)
9462306a36Sopenharmony_ci          2: Lower Slew rate (slower edges)
9562306a36Sopenharmony_ci          3: Reserved (No adjustments)
9662306a36Sopenharmony_ci
9762306a36Sopenharmony_ci      bias-bus-hold: true
9862306a36Sopenharmony_ci      bias-pull-down: true
9962306a36Sopenharmony_ci      bias-pull-up: true
10062306a36Sopenharmony_ci      bias-disable: true
10162306a36Sopenharmony_ci      input-enable: true
10262306a36Sopenharmony_ci      output-high: true
10362306a36Sopenharmony_ci      output-low: true
10462306a36Sopenharmony_ci
10562306a36Sopenharmony_ci    required:
10662306a36Sopenharmony_ci      - pins
10762306a36Sopenharmony_ci      - function
10862306a36Sopenharmony_ci
10962306a36Sopenharmony_ci    additionalProperties: false
11062306a36Sopenharmony_ci
11162306a36Sopenharmony_ciallOf:
11262306a36Sopenharmony_ci  - $ref: pinctrl.yaml#
11362306a36Sopenharmony_ci
11462306a36Sopenharmony_cirequired:
11562306a36Sopenharmony_ci  - compatible
11662306a36Sopenharmony_ci  - reg
11762306a36Sopenharmony_ci  - clocks
11862306a36Sopenharmony_ci  - clock-names
11962306a36Sopenharmony_ci  - gpio-controller
12062306a36Sopenharmony_ci  - "#gpio-cells"
12162306a36Sopenharmony_ci  - gpio-ranges
12262306a36Sopenharmony_ci
12362306a36Sopenharmony_ciadditionalProperties: false
12462306a36Sopenharmony_ci
12562306a36Sopenharmony_ciexamples:
12662306a36Sopenharmony_ci  - |
12762306a36Sopenharmony_ci    #include <dt-bindings/sound/qcom,q6afe.h>
12862306a36Sopenharmony_ci    pinctrl@33c0000 {
12962306a36Sopenharmony_ci        compatible = "qcom,sc8280xp-lpass-lpi-pinctrl";
13062306a36Sopenharmony_ci        reg = <0x33c0000 0x20000>,
13162306a36Sopenharmony_ci              <0x3550000 0x10000>;
13262306a36Sopenharmony_ci        clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
13362306a36Sopenharmony_ci                 <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
13462306a36Sopenharmony_ci        clock-names = "core", "audio";
13562306a36Sopenharmony_ci        gpio-controller;
13662306a36Sopenharmony_ci        #gpio-cells = <2>;
13762306a36Sopenharmony_ci        gpio-ranges = <&lpi_tlmm 0 0 19>;
13862306a36Sopenharmony_ci
13962306a36Sopenharmony_ci        dmic01-state {
14062306a36Sopenharmony_ci            dmic01-clk-pins {
14162306a36Sopenharmony_ci                pins = "gpio16";
14262306a36Sopenharmony_ci                function = "dmic1_clk";
14362306a36Sopenharmony_ci            };
14462306a36Sopenharmony_ci
14562306a36Sopenharmony_ci            dmic01-clk-sleep-pins {
14662306a36Sopenharmony_ci                pins = "gpio16";
14762306a36Sopenharmony_ci                function = "dmic1_clk";
14862306a36Sopenharmony_ci            };
14962306a36Sopenharmony_ci        };
15062306a36Sopenharmony_ci
15162306a36Sopenharmony_ci        tx-swr-data-sleep-state {
15262306a36Sopenharmony_ci            pins = "gpio0", "gpio1";
15362306a36Sopenharmony_ci            function = "swr_tx_data";
15462306a36Sopenharmony_ci        };
15562306a36Sopenharmony_ci    };
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