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From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Rajendra Nayak <rnayak@codeaurora.org>,
        Iskren Chernev <iskren.chernev@gmail.com>,
        Martin Botka <martin.botka@somainline.org>,
        Vinod Koul <vkoul@kernel.org>, linux-arm-msm@vger.kernel.org,
        linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH 11/40] dt-bindings: pinctrl: qcom,sm6375-pinctrl: do not require function on non-GPIOs
Date:   Sun, 11 Sep 2022 13:11:31 +0200
Message-Id: <20220911111200.199182-12-krzysztof.kozlowski@linaro.org>
In-Reply-To: <20220911111200.199182-1-krzysztof.kozlowski@linaro.org>
References: <20220911111200.199182-1-krzysztof.kozlowski@linaro.org>
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Certain pins, like SDcard related, do not have functions and such should
not be required:

  sdc1-clk-pins: 'function' is a required property

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

---

Another question is whether 'function' should be disallowed for such
pins?
---
 .../bindings/pinctrl/qcom,sm6375-tlmm.yaml           | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm6375-tlmm.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm6375-tlmm.yaml
index 50f0ca5ab7e7..dbd91d6b63b3 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,sm6375-tlmm.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm6375-tlmm.yaml
@@ -54,7 +54,6 @@ $defs:
     description:
       Pinctrl node's client devices use subnodes for desired pin configuration.
       Client device subnodes use below standard properties.
-    $ref: "qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state"
 
     properties:
       pins:
@@ -120,7 +119,16 @@ $defs:
 
     required:
       - pins
-      - function
+
+    allOf:
+      - $ref: "qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state"
+      - if:
+          properties:
+            pins:
+              pattern: "^gpio([0-9]|[1-9][0-9]|1[0-4][0-9]|15[0-6])$"
+        then:
+          required:
+            - function
 
     additionalProperties: false
 
-- 
2.34.1