linux-kernel - [PATCH 1/2] dt-bindings: pinctrl: spacemit: add clock and reset property

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Message-Id: <20250412-02-k1-pinctrl-clk-v1-1-e39734419a2d@gentoo.org>
Date: Sat, 12 Apr 2025 14:58:10 +0800
From: Yixun Lan <dlan@...too.org>
To: Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, spacemit@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, Yixun Lan <dlan@...too.org>
Subject: [PATCH 1/2] dt-bindings: pinctrl: spacemit: add clock and reset
 property

SpacemiT K1 SoC's pinctrl controller requires two clocks in order
to work propertly, also has one reset line from hardware persepective.

Signed-off-by: Yixun Lan <dlan@...too.org>
---
 .../bindings/pinctrl/spacemit,k1-pinctrl.yaml          | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
index b01ecd83b71b5e9f47256adde23bc8b183bef05e..d80e88aa07b45f4a3d90e8217caf93d32655927d 100644
--- a/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
@@ -17,6 +17,19 @@ properties:
     items:
       - description: pinctrl io memory base
 
+  clocks:
+    items:
+      - description: Functional Clock
+      - description: Bus Clock
+
+  clock-names:
+    items:
+      - const: func
+      - const: bus
+
+  resets:
+    maxItems: 1
+
 patternProperties:
   '-cfg$':
     type: object
@@ -94,6 +107,8 @@ patternProperties:
 required:
   - compatible
   - reg
+  - clocks
+  - clock-names
 
 additionalProperties: false
 
@@ -108,6 +123,9 @@ examples:
         pinctrl@...1e000 {
             compatible = "spacemit,k1-pinctrl";
             reg = <0x0 0xd401e000 0x0 0x400>;
+            clocks = <&syscon_apbc 42>,
+                     <&syscon_apbc 94>;
+            clock-names = "func", "bus";
 
             uart0_2_cfg: uart0-2-cfg {
                 uart0-2-pins {

-- 
2.49.0