140 lines
3.4 KiB
YAML
140 lines
3.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm SC7280 SoC LPASS LPI TLMM
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maintainers:
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- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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description:
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Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
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(LPASS) Low Power Island (LPI) of Qualcomm SC7280 SoC.
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properties:
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compatible:
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const: qcom,sc7280-lpass-lpi-pinctrl
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qcom,adsp-bypass-mode:
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description:
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Tells ADSP is in bypass mode.
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type: boolean
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reg:
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maxItems: 2
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gpio-controller: true
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"#gpio-cells":
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description: Specifying the pin number and flags, as defined in
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include/dt-bindings/gpio/gpio.h
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const: 2
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gpio-ranges:
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maxItems: 1
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patternProperties:
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"-state$":
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oneOf:
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- $ref: "#/$defs/qcom-sc7280-lpass-state"
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- patternProperties:
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"-pins$":
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$ref: "#/$defs/qcom-sc7280-lpass-state"
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additionalProperties: false
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$defs:
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qcom-sc7280-lpass-state:
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type: object
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description:
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Pinctrl node's client devices use subnodes for desired pin configuration.
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Client device subnodes use below standard properties.
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$ref: "/schemas/pinctrl/pincfg-node.yaml"
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properties:
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pins:
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description:
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List of gpio pins affected by the properties specified in this
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subnode.
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items:
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oneOf:
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- pattern: "^gpio([0-9]|1[0-4])$"
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minItems: 1
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maxItems: 15
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function:
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enum: [ gpio, swr_tx_clk, qua_mi2s_sclk, swr_tx_data, qua_mi2s_ws,
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qua_mi2s_data, swr_rx_clk, swr_rx_data, dmic1_clk, i2s1_clk,
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dmic1_data, i2s1_ws, dmic2_clk, dmic2_data, i2s1_data,
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i2s2_clk, wsa_swr_clk, i2s2_ws, wsa_swr_data, dmic3_clk,
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dmic3_data, i2s2_data ]
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description:
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Specify the alternative function to be configured for the specified
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pins.
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drive-strength:
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enum: [2, 4, 6, 8, 10, 12, 14, 16]
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default: 2
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description:
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Selects the drive strength for the specified pins, in mA.
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slew-rate:
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enum: [0, 1, 2, 3]
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default: 0
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description: |
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0: No adjustments
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1: Higher Slew rate (faster edges)
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2: Lower Slew rate (slower edges)
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3: Reserved (No adjustments)
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bias-pull-down: true
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bias-pull-up: true
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bias-bus-hold: true
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bias-disable: true
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output-high: true
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output-low: true
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required:
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- pins
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- function
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additionalProperties: false
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required:
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- compatible
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- reg
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- gpio-controller
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- "#gpio-cells"
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- gpio-ranges
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additionalProperties: false
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examples:
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- |
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lpass_tlmm: pinctrl@33c0000 {
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compatible = "qcom,sc7280-lpass-lpi-pinctrl";
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reg = <0x33c0000 0x20000>,
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<0x3550000 0x10000>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&lpass_tlmm 0 0 15>;
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dmic01-state {
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dmic01-clk-pins {
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pins = "gpio6";
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function = "dmic1_clk";
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};
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dmic01-clk-sleep-pins {
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pins = "gpio6";
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function = "dmic1_clk";
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};
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};
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tx-swr-data-sleep-state {
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pins = "gpio1", "gpio2", "gpio14";
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function = "swr_tx_data";
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};
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};
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