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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,sm4250-lpass-lpi-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm SM4250 SoC LPASS LPI TLMM
maintainers:
- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
description:
Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
(LPASS) Low Power Island (LPI) of Qualcomm SM4250 SoC.
properties:
compatible:
const: qcom,sm4250-lpass-lpi-pinctrl
reg:
items:
- description: LPASS LPI TLMM Control and Status registers
- description: LPASS LPI MCC registers
clocks:
items:
- description: LPASS Audio voting clock
clock-names:
items:
- const: audio
patternProperties:
"-state$":
oneOf:
- $ref: "#/$defs/qcom-sm4250-lpass-state"
- patternProperties:
"-pins$":
$ref: "#/$defs/qcom-sm4250-lpass-state"
additionalProperties: false
$defs:
qcom-sm4250-lpass-state:
type: object
description:
Pinctrl node's client devices use subnodes for desired pin configuration.
Client device subnodes use below standard properties.
$ref: qcom,lpass-lpi-common.yaml#/$defs/qcom-tlmm-state
unevaluatedProperties: false
properties:
pins:
description:
List of gpio pins affected by the properties specified in this
subnode.
items:
pattern: "^gpio([0-9]|1[0-9]|2[0-6])$"
function:
enum: [ gpio, dmic01_clk, dmic01_data, dmic23_clk, dmic23_data,
dmic4_clk, dmic4_data, ext_mclk0_a, ext_mclk0_b, ext_mclk1_a,
ext_mclk1_b, ext_mclk1_c, i2s1_clk, i2s1_data, i2s1_ws,
i2s2_clk, i2s2_data, i2s2_ws, i2s3_clk, i2s3_data, i2s3_ws,
qua_mi2s_data, qua_mi2s_sclk, qua_mi2s_ws, slim_clk, slim_data,
swr_rx_clk, swr_rx_data, swr_tx_clk, swr_tx_data, swr_wsa_clk,
swr_wsa_data ]
description:
Specify the alternative function to be configured for the specified
pins.
allOf:
- $ref: qcom,lpass-lpi-common.yaml#
required:
- compatible
- reg
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/sound/qcom,q6afe.h>
lpi_tlmm: pinctrl@a7c0000 {
compatible = "qcom,sm4250-lpass-lpi-pinctrl";
reg = <0xa7c0000 0x20000>,
<0xa950000 0x10000>;
clocks = <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
clock-names = "audio";
gpio-controller;
#gpio-cells = <2>;
gpio-ranges = <&lpi_tlmm 0 0 19>;
i2s2-active-state {
clk-pins {
pins = "gpio10";
function = "i2s2_clk";
drive-strength = <2>;
slew-rate = <1>;
bias-disable;
};
data-pins {
pins = "gpio12";
function = "i2s2_data";
drive-strength = <2>;
slew-rate = <1>;
};
};
i2s2-sleep-clk-state {
pins = "gpio10";
function = "i2s2_clk";
drive-strength = <2>;
bias-pull-down;
};
};
|
