linux-kernel - [PATCH v2 1/2] dt-bindings: mmc: spacemit,sdhci: add support for K3 SoC

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Message-Id: <20260122-07-k3-mmc-v2-1-3c3ffef25e94@kernel.org>
Date: Thu, 22 Jan 2026 17:37:30 +0800
From: Yixun Lan <dlan@...nel.org>
To: Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Adrian Hunter <adrian.hunter@...el.com>
Cc: Yixun Lan <dlan@...nel.org>, linux-mmc@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org, 
 spacemit@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] dt-bindings: mmc: spacemit,sdhci: add support for
 K3 SoC

The SDHCI controller found on SpacemiT K3 SoC share the same IP with
K1 generation, while fixed the broken 64BIT DMA issue. Introduce a
compatible string to enable support for it.

Acked-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Yixun Lan <dlan@...nel.org>
---
 Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml b/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml
index de4e9efeb666..9a055d963a7f 100644
--- a/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/spacemit,sdhci.yaml
@@ -14,7 +14,9 @@ allOf:
 
 properties:
   compatible:
-    const: spacemit,k1-sdhci
+    enum:
+      - spacemit,k1-sdhci
+      - spacemit,k3-sdhci
 
   reg:
     maxItems: 1

-- 
2.52.0