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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
dt-bindings: pinctrl: qcom: Add Milos LPASS LPI pinctrl
Add bindings for pin controller in Milos Low Power Audio SubSystem
(LPASS).
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
authored by
Luca Weiss
and committed by
Linus Walleij
3bf14aec
5ad32c36
+109
+109
Documentation/devicetree/bindings/pinctrl/qcom,milos-lpass-lpi-pinctrl.yaml
+109
Documentation/devicetree/bindings/pinctrl/qcom,milos-lpass-lpi-pinctrl.yaml
···
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# 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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$id: http://devicetree.org/schemas/pinctrl/qcom,milos-lpass-lpi-pinctrl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Qualcomm Milos SoC LPASS LPI TLMM
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maintainers:
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- Luca Weiss <luca.weiss@fairphone.com>
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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 Milos SoC.
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properties:
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compatible:
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const: qcom,milos-lpass-lpi-pinctrl
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reg:
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items:
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- description: LPASS LPI TLMM Control and Status registers
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- description: LPASS LPI MCC registers
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clocks:
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items:
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- description: LPASS Core voting clock
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- description: LPASS Audio voting clock
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clock-names:
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items:
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- const: core
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- const: audio
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patternProperties:
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"-state$":
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oneOf:
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- $ref: "#/$defs/qcom-milos-lpass-state"
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- patternProperties:
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"-pins$":
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$ref: "#/$defs/qcom-milos-lpass-state"
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additionalProperties: false
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$defs:
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qcom-milos-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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$ref: qcom,lpass-lpi-common.yaml#/$defs/qcom-tlmm-state
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unevaluatedProperties: false
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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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pattern: "^gpio([0-9]|1[0-9]|2[0-2])$"
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function:
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enum: [ dmic1_clk, dmic1_data, dmic2_clk, dmic2_data, dmic3_clk,
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dmic3_data, dmic4_clk, dmic4_data, ext_mclk1_a, ext_mclk1_b,
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ext_mclk1_c, ext_mclk1_d, ext_mclk1_e, gpio, i2s0_clk,
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i2s0_data, i2s0_ws, i2s1_clk, i2s1_data, i2s1_ws, i2s2_clk,
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i2s2_data, i2s2_ws, i2s3_clk, i2s3_data, i2s3_ws, qca_swr_clk,
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qca_swr_data, slimbus_clk, slimbus_data, swr_rx_clk,
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swr_rx_data, swr_tx_clk, swr_tx_data, wsa_swr_clk,
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wsa_swr_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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allOf:
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- $ref: qcom,lpass-lpi-common.yaml#
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
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pinctrl@3440000 {
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compatible = "qcom,milos-lpass-lpi-pinctrl";
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reg = <0x03440000 0x20000>,
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<0x034d0000 0x10000>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&lpass_tlmm 0 0 23>;
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clocks = <&q6prmcc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
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<&q6prmcc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
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clock-names = "core",
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"audio";
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tx-swr-active-clk-state {
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pins = "gpio0";
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function = "swr_tx_clk";
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drive-strength = <4>;
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slew-rate = <1>;
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bias-disable;
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};
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};