linux-kernel - [PATCH v1 1/2] dt-bindings: pinctrl: qcom,sa8775p-lpass-lpi-pinctrl: Add SA8775P LPASS pinctrl

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Message-Id: <20251116171656.3105461-2-mohammad.rafi.shaik@oss.qualcomm.com>
Date: Sun, 16 Nov 2025 22:46:55 +0530
From: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>
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>,
        Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@....qualcomm.com, ajay.nandam@....qualcomm.com,
        ravi.hothi@....qualcomm.com
Subject: [PATCH v1 1/2] dt-bindings: pinctrl: qcom,sa8775p-lpass-lpi-pinctrl: Add SA8775P LPASS pinctrl

Add bindings for the pin controller in Low Power Audio SubSystem (LPASS)
of Qualcomm SA8775P SoC.

Signed-off-by: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>
---
 .../qcom,sa8775p-lpass-lpi-pinctrl.yaml       | 106 ++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sa8775p-lpass-lpi-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sa8775p-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sa8775p-lpass-lpi-pinctrl.yaml
new file mode 100644
index 000000000000..01a56dbeaeff
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,sa8775p-lpass-lpi-pinctrl.yaml
@@ -0,0 +1,106 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,sa8775p-lpass-lpi-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SA8775P SoC LPASS LPI TLMM
+
+maintainers:
+  - Srinivas Kandagatla <srinivas.kandagatla@....qualcomm.com>
+
+description:
+  Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
+  (LPASS) Low Power Island (LPI) of Qualcomm SA8775P SoC.
+
+properties:
+  compatible:
+    const: qcom,sa8775p-lpass-lpi-pinctrl
+
+  reg:
+    items:
+      - description: LPASS LPI TLMM Control and Status registers
+
+  clocks:
+    items:
+      - description: LPASS Core voting clock
+      - description: LPASS Audio voting clock
+
+  clock-names:
+    items:
+      - const: core
+      - const: audio
+
+patternProperties:
+  "-state$":
+    oneOf:
+      - $ref: "#/$defs/qcom-sa8775p-lpass-state"
+      - patternProperties:
+          "-pins$":
+            $ref: "#/$defs/qcom-sa8775p-lpass-state"
+        additionalProperties: false
+
+$defs:
+  qcom-sa8775p-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[0-2])$"
+
+      function:
+        enum: [dmic1_clk, dmic1_data, dmic2_clk, dmic2_data, dmic3_clk,
+               dmic3_data, dmic4_clk, dmic4_data, ext_mclk1_a, ext_mclk1_b,
+               ext_mclk1_c, ext_mclk1_d, ext_mclk1_e, i2s1_clk, i2s1_data,
+               i2s1_ws, i2s2_clk, i2s2_data, i2s2_ws, i2s3_clk, i2s3_data,
+               i2s3_ws, i2s4_clk, i2s4_data, i2s4_ws, qua_mi2s_sclk,
+               qua_mi2s_data, qua_mi2s_ws, slimbus_clk, slimbus_data,
+               swr_rx_clk, swr_rx_data, swr_tx_clk, swr_tx_data, wsa_swr_clk,
+               wsa_swr_data, wsa2_swr_clk, wsa2_swr_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,q6dsp-lpass-ports.h>
+
+    lpass_tlmm: pinctrl@...0000 {
+        compatible = "qcom,sa8775p-lpass-lpi-pinctrl";
+        reg = <0x0 0x03440000 0x0 0x20000>;
+
+        clocks = <&q6prmcc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
+                 <&q6prmcc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+        clock-names = "core", "audio";
+
+        gpio-controller;
+        #gpio-cells = <2>;
+        gpio-ranges = <&lpass_tlmm 0 0 23>;
+
+        tx-swr-sleep-clk-state {
+            pins = "gpio0";
+            function = "swr_tx_clk";
+            drive-strength = <2>;
+            bias-pull-down;
+        };
+    };
-- 
2.34.1