linux-kernel - [PATCH v3 2/3] dt-bindings: pinctrl: qcom: Add SDM660 LPI pinctrl

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Message-Id: <20250825-sdm660-lpass-lpi-v3-2-65d4a4db298e@yandex.ru>
Date: Mon, 25 Aug 2025 15:32:29 +0300
From: Nickolay Goppen via B4 Relay <devnull+setotau.yandex.ru@...nel.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>
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, Nickolay Goppen <setotau@...dex.ru>, 
 Richard Acayan <mailingradian@...il.com>
Subject: [PATCH v3 2/3] dt-bindings: pinctrl: qcom: Add SDM660 LPI pinctrl

From: Nickolay Goppen <setotau@...dex.ru>

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@...dex.ru>
---
 .../pinctrl/qcom,sdm660-lpass-lpi-pinctrl.yaml     | 74 ++++++++++++++++++++++
 1 file changed, 74 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..6b930a5b914bc79a00dbaead41189efc525c2eb2
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,sdm660-lpass-lpi-pinctrl.yaml
@@ -0,0 +1,74 @@
+# 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@...dex.ru>
+
+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[0-9]|2[0-6])$"
+
+      function:
+        enum: [ gpio, comp_rx, dmic12, dmic34, mclk0, pdm_2_gpios,
+                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>;
+    };

-- 
2.51.0