linux-kernel - [PATCH RFC 1/3] dt-bindings: pinctrl: spacemit: add K3 SoC support

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Message-Id: <20251220-02-k3-pinctrl-v1-1-f6f4aea60abf@gentoo.org>
Date: Sat, 20 Dec 2025 18:14:53 +0800
From: Yixun Lan <dlan@...too.org>
To: Linus Walleij <linusw@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Troy Mitchell <troy.mitchell@...ux.spacemit.com>, 
 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 RFC 1/3] dt-bindings: pinctrl: spacemit: add K3 SoC support

Add new compatible string for SpacemiT K3 SoC, the pinctrl IP shares
almost same logic with previous K1 generation, but has different register
offset and pin configuration, for example the drive strength and
schmitter trigger settings has been changed.

Signed-off-by: Yixun Lan <dlan@...too.org>
---
 Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
index d80e88aa07b4..c5b0218ad625 100644
--- a/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
@@ -11,7 +11,9 @@ maintainers:
 
 properties:
   compatible:
-    const: spacemit,k1-pinctrl
+    enum:
+      - spacemit,k1-pinctrl
+      - spacemit,k3-pinctrl
 
   reg:
     items:

-- 
2.52.0