linux-kernel - [PATCH v2] dt-bindings: pinctrl: qcom,sdm845-pinctrl: add GPIO hogs

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Message-Id: <20221121081221.30745-1-krzysztof.kozlowski@linaro.org>
Date:   Mon, 21 Nov 2022 09:12:21 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2] dt-bindings: pinctrl: qcom,sdm845-pinctrl: add GPIO hogs

Allow GPIO hogs in pin controller node.  qcom/sdm845-cheza.dtsi already
uses it.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Changes since v1:
1. Use different syntax (Rob).
---
 .../bindings/pinctrl/qcom,sdm845-pinctrl.yaml         | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.yaml
index c9627777ceb3..18ddcfe2e088 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.yaml
@@ -48,6 +48,10 @@ patternProperties:
             $ref: "#/$defs/qcom-sdm845-tlmm-state"
         additionalProperties: false
 
+  "-hog(-[0-9]+)?$":
+    required:
+      - gpio-hog
+
 $defs:
   qcom-sdm845-tlmm-state:
     type: object
@@ -117,6 +121,7 @@ additionalProperties: false
 
 examples:
   - |
+    #include <dt-bindings/gpio/gpio.h>
     #include <dt-bindings/interrupt-controller/arm-gic.h>
 
     pinctrl@...0000 {
@@ -130,6 +135,12 @@ examples:
         gpio-ranges = <&tlmm 0 0 151>;
         wakeup-parent = <&pdc_intc>;
 
+        ap-suspend-l-hog {
+            gpio-hog;
+            gpios = <126 GPIO_ACTIVE_LOW>;
+            output-low;
+        };
+
         cci0-default-state {
             pins = "gpio17", "gpio18";
             function = "cci_i2c";
-- 
2.34.1