Define the upper limit otherwise the driver cannot utilize max speeds. Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx> Acked-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> --- arch/arm/boot/dts/r8a7793.dtsi | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi index 728b5bca5bdb..13b980f27bbc 100644 --- a/arch/arm/boot/dts/r8a7793.dtsi +++ b/arch/arm/boot/dts/r8a7793.dtsi @@ -542,6 +542,7 @@ dmas = <&dmac0 0xcd>, <&dmac0 0xce>, <&dmac1 0xcd>, <&dmac1 0xce>; dma-names = "tx", "rx", "tx", "rx"; + max-frequency = <195000000>; power-domains = <&sysc R8A7793_PD_ALWAYS_ON>; status = "disabled"; }; @@ -554,6 +555,7 @@ dmas = <&dmac0 0xc1>, <&dmac0 0xc2>, <&dmac1 0xc1>, <&dmac1 0xc2>; dma-names = "tx", "rx", "tx", "rx"; + max-frequency = <97500000>; power-domains = <&sysc R8A7793_PD_ALWAYS_ON>; status = "disabled"; }; @@ -566,6 +568,7 @@ dmas = <&dmac0 0xd3>, <&dmac0 0xd4>, <&dmac1 0xd3>, <&dmac1 0xd4>; dma-names = "tx", "rx", "tx", "rx"; + max-frequency = <97500000>; power-domains = <&sysc R8A7793_PD_ALWAYS_ON>; status = "disabled"; }; -- 2.1.4