Received-SPF: pass (google.com: domain of linux-kernel+bounces-160025-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
From: =?utf-8?q?Andr=C3=A9_Draszik?= <andre.draszik@linaro.org>
Date: Fri, 26 Apr 2024 14:10:46 +0100
Subject: [PATCH v2 1/2] dt-bindings: pinctrl: samsung: google,gs101-pinctrl
 needs a clock
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 8bit
Message-Id: <20240426-samsung-pinctrl-busclock-v2-1-8dfecaabf020@linaro.org>
References: <20240426-samsung-pinctrl-busclock-v2-0-8dfecaabf020@linaro.org>
In-Reply-To: <20240426-samsung-pinctrl-busclock-v2-0-8dfecaabf020@linaro.org>
To: Krzysztof Kozlowski <krzk@kernel.org>, 
 Sylwester Nawrocki <s.nawrocki@samsung.com>, 
 Alim Akhtar <alim.akhtar@samsung.com>, 
 Linus Walleij <linus.walleij@linaro.org>, Rob Herring <robh@kernel.org>, 
 Conor Dooley <conor+dt@kernel.org>, Tomasz Figa <tomasz.figa@gmail.com>, 
 Peter Griffin <peter.griffin@linaro.org>
Cc: Tudor Ambarus <tudor.ambarus@linaro.org>, 
 Will McVicker <willmcvicker@google.com>, 
 Sam Protsenko <semen.protsenko@linaro.org>, kernel-team@android.com, 
 linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, 
 linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, 
 =?utf-8?q?Andr=C3=A9_Draszik?= <andre.draszik@linaro.org>

The pin controller on Google Tensor gs101 requires a bus clock for
register access to work. Add it.

Signed-off-by: André Draszik <andre.draszik@linaro.org>

---
As we only have the one clock here, please let me know if the
clock-names should be removed. Having it does make
/sys/kernel/debug/clk/clk_summary look nicer / more meaningful though
:-)
---
 .../devicetree/bindings/pinctrl/samsung,pinctrl.yaml    | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl.yaml
index 118549c25976..49cc36b76fd0 100644
--- a/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/samsung,pinctrl.yaml
@@ -73,6 +73,13 @@ properties:
     minItems: 1
     maxItems: 2
 
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: pclk
+
   wakeup-interrupt-controller:
     $ref: samsung,pinctrl-wakeup-interrupt.yaml
 
@@ -120,6 +127,16 @@ required:
 
 allOf:
   - $ref: pinctrl.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: google,gs101-pinctrl
+    then:
+      required:
+        - clocks
+        - clock-names
+
   - if:
       properties:
         compatible:

-- 
2.44.0.769.g3c40516874-goog