dt-bindings: net: rockchip-dwmac: Allow "dma-coherent"

[PATCH net-next] dt-bindings: net: rockchip-dwmac: Allow "dma-coherent"

Posted by Rob Herring (Arm) 1 month ago

The GMAC is coherent on RK3576, so allow the "dma-coherent" property.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
---
 Documentation/devicetree/bindings/net/rockchip-dwmac.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
index d17112527dab..80c252845349 100644
--- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
@@ -85,6 +85,8 @@ properties:
         - clk_mac_refout
         - clk_mac_speed
 
+  dma-coherent: true
+
   clock_in_out:
     description:
       For RGMII, it must be "input", means main clock(125MHz)
-- 
2.51.0

Re: [PATCH net-next] dt-bindings: net: rockchip-dwmac: Allow "dma-coherent"

Posted by Heiko Stuebner 4 weeks, 1 day ago

Am Donnerstag, 8. Januar 2026, 23:53:18 Mitteleuropäische Normalzeit schrieb Rob Herring (Arm):
> The GMAC is coherent on RK3576, so allow the "dma-coherent" property.
> 
> Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

Reviewed-by: Heiko Stuebner <heiko@sntech.de>

> ---
>  Documentation/devicetree/bindings/net/rockchip-dwmac.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
> index d17112527dab..80c252845349 100644
> --- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
> @@ -85,6 +85,8 @@ properties:
>          - clk_mac_refout
>          - clk_mac_speed
>  
> +  dma-coherent: true
> +
>    clock_in_out:
>      description:
>        For RGMII, it must be "input", means main clock(125MHz)
>