[alsa-devel] [PATCH v2 08/11] dt-bindings: pinctrl: qcom-wcd934x: Add bindings for gpio

Srinivas Kandagatla srinivas.kandagatla at linaro.org
Fri Oct 18 02:18:46 CEST 2019


Qualcomm Technologies Inc WCD9340/WCD9341 Audio Codec has integrated
gpio controller to control 5 gpios on the chip. This patch adds
required device tree bindings for it.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
---
 .../pinctrl/qcom,wcd934x-pinctrl.yaml         | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,wcd934x-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,wcd934x-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,wcd934x-pinctrl.yaml
new file mode 100644
index 000000000000..c8a36cbc4935
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,wcd934x-pinctrl.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,wcd934x-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: WCD9340/WCD9341 GPIO Pin controller
+
+maintainers:
+  - Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
+
+description: |
+  Qualcomm Technologies Inc WCD9340/WCD9341 Audio Codec has integrated
+  gpio controller to control 5 gpios on the chip.
+
+properties:
+  compatible:
+    enum:
+      - qcom,wcd9340-pinctrl
+      - qcom,wcd9341-pinctrl
+
+  reg:
+    maxItems: 1
+
+  gpio-controller: true
+
+  gpio-ranges:
+    maxItems: 1
+
+  '#gpio-cells':
+    const: 2
+
+required:
+  - compatible
+  - reg
+  - gpio-controller
+  - gpio-ranges
+  - "#gpio-cells"
+
+
+examples:
+  - |
+    wcdpinctrl: wcdpinctrl at 42 {
+        compatible = "qcom,wcd9340-pinctrl";
+        reg = <0x042 0x2>;
+        gpio-controller;
+        gpio-ranges = <&wcdpinctrl 0 0 5>;
+        #gpio-cells = <2>;
+    };
+
+...
-- 
2.21.0



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