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Message-Id: <20250903-sdm660-lpass-lpi-v5-2-fe171098b6a1@mainlining.org>
Date: Wed, 03 Sep 2025 16:39:02 +0300
From: Nickolay Goppen <setotau@...nlining.org>
To: Bjorn Andersson <andersson@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Nickolay Goppen <setotau@...nlining.org>
Cc: linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
~postmarketos/upstreaming@...ts.sr.ht, linux@...nlining.org,
Nickolay Goppen <setotau@...dex.ru>,
Richard Acayan <mailingradian@...il.com>
Subject: [PATCH v5 2/3] dt-bindings: pinctrl: qcom: Add SDM660 LPI pinctrl
Add bindings for pin controller in SDM660 Low Power Audio SubSystem
(LPASS).
Co-developed-by: Richard Acayan <mailingradian@...il.com>
Signed-off-by: Richard Acayan <mailingradian@...il.com>
Signed-off-by: Nickolay Goppen <setotau@...nlining.org>
---
.../pinctrl/qcom,sdm660-lpass-lpi-pinctrl.yaml | 109 +++++++++++++++++++++
1 file changed, 109 insertions(+)
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sdm660-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sdm660-lpass-lpi-pinctrl.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..175d5dbf54fa3669805cb69d5b4df19ab57c1520
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,sdm660-lpass-lpi-pinctrl.yaml
@@ -0,0 +1,109 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,sdm660-lpass-lpi-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SDM660 SoC LPASS LPI TLMM
+
+maintainers:
+ - Nickolay Goppen <setotau@...nlining.org>
+
+description:
+ Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
+ (LPASS) Low Power Island (LPI) of Qualcomm SDM660 SoC.
+
+properties:
+ compatible:
+ const: qcom,sdm660-lpass-lpi-pinctrl
+
+ reg:
+ items:
+ - description: LPASS LPI TLMM Control and Status registers
+
+patternProperties:
+ "-state$":
+ oneOf:
+ - $ref: "#/$defs/qcom-sdm660-lpass-state"
+ - patternProperties:
+ "-pins$":
+ $ref: "#/$defs/qcom-sdm660-lpass-state"
+ additionalProperties: false
+
+$defs:
+ qcom-sdm660-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]|[1-2][0-9]|3[0-1])$"
+
+ function:
+ enum: [ gpio, comp_rx, dmic1_clk, dmic1_data, dmic2_clk, dmic2_data,
+ mclk0, pdm_tx, pdm_clk, pdm_rx, pdm_sync ]
+ description:
+ Specify the alternative function to be configured for the specified
+ pins.
+
+allOf:
+ - $ref: qcom,lpass-lpi-common.yaml#
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ lpi_tlmm: pinctrl@...70000 {
+ compatible = "qcom,sdm660-lpass-lpi-pinctrl";
+ reg = <0x15070000 0x20000>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&lpi_tlmm 0 0 32>;
+
+ cdc_pdm_default: cdc-pdm-default-state {
+ clk-pins {
+ pins = "gpio18";
+ function = "pdm_clk";
+ drive-strength = <8>;
+ output-high;
+ };
+
+ sync-pins{
+ pins = "gpio19";
+ function = "pdm_sync";
+ drive-strength = <4>;
+ output-high;
+ };
+
+ tx-pins {
+ pins = "gpio20";
+ function = "pdm_tx";
+ drive-strength = <8>;
+ };
+
+ rx-pins {
+ pins = "gpio21", "gpio23", "gpio25";
+ function = "pdm_rx";
+ drive-strength = <4>;
+ output-high;
+ };
+ };
+
+ cdc_comp_default: cdc-comp-default-state {
+ pins = "gpio22", "gpio24";
+ function = "comp_rx";
+ drive-strength = <8>;
+ };
+ };
--
2.51.0
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