Re: [PATCH v3 1/3] dt-bindings: i2c: dw: Document compatible thead,th1520-i2c

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Hi

On 6/18/24 10:42 AM, Thomas Bonnefille wrote:
Add documentation for compatible string thead,th1520-i2c which can be
used specifically for the TH1520 SoC.

Signed-off-by: Thomas Bonnefille <thomas.bonnefille@xxxxxxxxxxx>
Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
---
  Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
index d9293c57f573..60035a787e5c 100644
--- a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml
@@ -33,6 +33,10 @@ properties:
            - const: snps,designware-i2c
        - description: Baikal-T1 SoC System I2C controller
          const: baikal,bt1-sys-i2c
+      - description: T-HEAD TH1520 SoCs I2C controller
+        items:
+          - const: thead,th1520-i2c
+          - const: snps,designware-i2c

Your comment below makes me thinking is this change needed? So is it enough to specify "snps,designware-i2c" for the compatible string in patch 2/3?

"It appears that the TH1520 I2C is already supported in the upstream kernel through the Synopsis Designware I2C adapter driver."




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