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-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/pinctrl/qcom,lpass-lpi-pinctrl.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Qualcomm Technologies, Inc. Low Power Audio SubSystem (LPASS)
- Low Power Island (LPI) TLMM block
-
-maintainers:
- - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
-
-description: |
- This binding describes the Top Level Mode Multiplexer block found in the
- LPASS LPI IP on most Qualcomm SoCs
-
-properties:
- compatible:
- const: qcom,sm8250-lpass-lpi-pinctrl
-
- reg:
- minItems: 2
- maxItems: 2
-
- clocks:
- items:
- - description: LPASS Core voting clock
- - description: LPASS Audio voting clock
-
- clock-names:
- items:
- - const: core
- - const: audio
-
- gpio-controller: true
-
- '#gpio-cells':
- description: Specifying the pin number and flags, as defined in
- include/dt-bindings/gpio/gpio.h
- const: 2
-
- gpio-ranges:
- maxItems: 1
-
-#PIN CONFIGURATION NODES
-patternProperties:
- '-pins$':
- type: object
- description:
- Pinctrl node's client devices use subnodes for desired pin configuration.
- Client device subnodes use below standard properties.
- $ref: "/schemas/pinctrl/pincfg-node.yaml"
-
- properties:
- pins:
- description:
- List of gpio pins affected by the properties specified in this
- subnode.
- items:
- oneOf:
- - pattern: "^gpio([0-9]|[1-9][0-9])$"
- minItems: 1
- maxItems: 14
-
- function:
- enum: [ gpio, swr_tx_clk, qua_mi2s_sclk, swr_tx_data, qua_mi2s_ws,
- qua_mi2s_data, swr_rx_clk, swr_rx_data, dmic1_clk, i2s1_clk,
- dmic1_data, i2s1_ws, dmic2_clk, dmic2_data, i2s1_data,
- i2s2_clk, wsa_swr_clk, i2s2_ws, wsa_swr_data, dmic3_clk,
- dmic3_data, i2s2_data ]
- description:
- Specify the alternative function to be configured for the specified
- pins.
-
- drive-strength:
- enum: [2, 4, 6, 8, 10, 12, 14, 16]
- default: 2
- description:
- Selects the drive strength for the specified pins, in mA.
-
- slew-rate:
- enum: [0, 1, 2, 3]
- default: 0
- description: |
- 0: No adjustments
- 1: Higher Slew rate (faster edges)
- 2: Lower Slew rate (slower edges)
- 3: Reserved (No adjustments)
-
- bias-pull-down: true
-
- bias-pull-up: true
-
- bias-disable: true
-
- output-high: true
-
- output-low: true
-
- required:
- - pins
- - function
-
- additionalProperties: false
-
-required:
- - compatible
- - reg
- - clocks
- - clock-names
- - gpio-controller
- - '#gpio-cells'
- - gpio-ranges
-
-additionalProperties: false
-
-examples:
- - |
- #include <dt-bindings/sound/qcom,q6afe.h>
- lpi_tlmm: pinctrl@33c0000 {
- compatible = "qcom,sm8250-lpass-lpi-pinctrl";
- reg = <0x33c0000 0x20000>,
- <0x3550000 0x10000>;
- clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
- <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
- clock-names = "core", "audio";
- gpio-controller;
- #gpio-cells = <2>;
- gpio-ranges = <&lpi_tlmm 0 0 14>;
- };