Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 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,sc8280xp-lpass-lpi-pinctrl.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm SC8280XP SoC LPASS LPI TLMM |
| 8 | |
| 9 | maintainers: |
| 10 | - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> |
| 11 | |
| 12 | description: |
| 13 | Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem |
| 14 | (LPASS) Low Power Island (LPI) of Qualcomm SC8280XP SoC. |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | const: qcom,sc8280xp-lpass-lpi-pinctrl |
| 19 | |
| 20 | reg: |
| 21 | items: |
| 22 | - description: LPASS LPI TLMM Control and Status registers |
| 23 | - description: LPASS LPI MCC registers |
| 24 | |
| 25 | clocks: |
| 26 | items: |
| 27 | - description: LPASS Core voting clock |
| 28 | - description: LPASS Audio voting clock |
| 29 | |
| 30 | clock-names: |
| 31 | items: |
| 32 | - const: core |
| 33 | - const: audio |
| 34 | |
| 35 | gpio-controller: true |
| 36 | |
| 37 | "#gpio-cells": |
| 38 | description: Specifying the pin number and flags, as defined in |
| 39 | include/dt-bindings/gpio/gpio.h |
| 40 | const: 2 |
| 41 | |
| 42 | gpio-ranges: |
| 43 | maxItems: 1 |
| 44 | |
| 45 | patternProperties: |
| 46 | "-state$": |
| 47 | oneOf: |
| 48 | - $ref: "#/$defs/qcom-sc8280xp-lpass-state" |
| 49 | - patternProperties: |
| 50 | "-pins$": |
| 51 | $ref: "#/$defs/qcom-sc8280xp-lpass-state" |
| 52 | additionalProperties: false |
| 53 | |
| 54 | $defs: |
| 55 | qcom-sc8280xp-lpass-state: |
| 56 | type: object |
| 57 | description: |
| 58 | Pinctrl node's client devices use subnodes for desired pin configuration. |
| 59 | Client device subnodes use below standard properties. |
| 60 | $ref: /schemas/pinctrl/pincfg-node.yaml |
| 61 | |
| 62 | properties: |
| 63 | pins: |
| 64 | description: |
| 65 | List of gpio pins affected by the properties specified in this |
| 66 | subnode. |
| 67 | items: |
| 68 | pattern: "^gpio([0-9]|1[0-8])$" |
| 69 | |
| 70 | function: |
| 71 | enum: [ swr_tx_clk, swr_tx_data, swr_rx_clk, swr_rx_data, |
| 72 | dmic1_clk, dmic1_data, dmic2_clk, dmic2_data, dmic4_clk, |
| 73 | dmic4_data, i2s2_clk, i2s2_ws, dmic3_clk, dmic3_data, |
| 74 | qua_mi2s_sclk, qua_mi2s_ws, qua_mi2s_data, i2s1_clk, i2s1_ws, |
| 75 | i2s1_data, wsa_swr_clk, wsa_swr_data, wsa2_swr_clk, |
| 76 | wsa2_swr_data, i2s2_data, i2s3_clk, i2s3_ws, i2s3_data, |
| 77 | ext_mclk1_c, ext_mclk1_b, ext_mclk1_a ] |
| 78 | description: |
| 79 | Specify the alternative function to be configured for the specified |
| 80 | pins. |
| 81 | |
| 82 | drive-strength: |
| 83 | enum: [2, 4, 6, 8, 10, 12, 14, 16] |
| 84 | default: 2 |
| 85 | description: |
| 86 | Selects the drive strength for the specified pins, in mA. |
| 87 | |
| 88 | slew-rate: |
| 89 | enum: [0, 1, 2, 3] |
| 90 | default: 0 |
| 91 | description: | |
| 92 | 0: No adjustments |
| 93 | 1: Higher Slew rate (faster edges) |
| 94 | 2: Lower Slew rate (slower edges) |
| 95 | 3: Reserved (No adjustments) |
| 96 | |
| 97 | bias-bus-hold: true |
| 98 | bias-pull-down: true |
| 99 | bias-pull-up: true |
| 100 | bias-disable: true |
| 101 | input-enable: true |
| 102 | output-high: true |
| 103 | output-low: true |
| 104 | |
| 105 | required: |
| 106 | - pins |
| 107 | - function |
| 108 | |
| 109 | additionalProperties: false |
| 110 | |
| 111 | allOf: |
| 112 | - $ref: pinctrl.yaml# |
| 113 | |
| 114 | required: |
| 115 | - compatible |
| 116 | - reg |
| 117 | - clocks |
| 118 | - clock-names |
| 119 | - gpio-controller |
| 120 | - "#gpio-cells" |
| 121 | - gpio-ranges |
| 122 | |
| 123 | additionalProperties: false |
| 124 | |
| 125 | examples: |
| 126 | - | |
| 127 | #include <dt-bindings/sound/qcom,q6afe.h> |
| 128 | pinctrl@33c0000 { |
| 129 | compatible = "qcom,sc8280xp-lpass-lpi-pinctrl"; |
| 130 | reg = <0x33c0000 0x20000>, |
| 131 | <0x3550000 0x10000>; |
| 132 | clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>, |
| 133 | <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>; |
| 134 | clock-names = "core", "audio"; |
| 135 | gpio-controller; |
| 136 | #gpio-cells = <2>; |
| 137 | gpio-ranges = <&lpi_tlmm 0 0 19>; |
| 138 | |
| 139 | dmic01-state { |
| 140 | dmic01-clk-pins { |
| 141 | pins = "gpio16"; |
| 142 | function = "dmic1_clk"; |
| 143 | }; |
| 144 | |
| 145 | dmic01-clk-sleep-pins { |
| 146 | pins = "gpio16"; |
| 147 | function = "dmic1_clk"; |
| 148 | }; |
| 149 | }; |
| 150 | |
| 151 | tx-swr-data-sleep-state { |
| 152 | pins = "gpio0", "gpio1"; |
| 153 | function = "swr_tx_data"; |
| 154 | }; |
| 155 | }; |