ARM: dts: r8a7794: set maximum frequency for SDHI clocks

Define the upper limit otherwise the driver cannot utilize max speeds.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 9365580a194facc788ad5e3f76fa4808da69eb68..57e0d27cb82e8eec25dc166bd270533642f56bd2 100644 (file)
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -731,6 +731,7 @@ sdhi0: sd@ee100000 {
                dmas = <&dmac0 0xcd>, <&dmac0 0xce>,
                       <&dmac1 0xcd>, <&dmac1 0xce>;
                dma-names = "tx", "rx", "tx", "rx";
+               max-frequency = <195000000>;
                power-domains = <&sysc R8A7794_PD_ALWAYS_ON>;
                status = "disabled";
        };
@@ -743,6 +744,7 @@ sdhi1: sd@ee140000 {
                dmas = <&dmac0 0xc1>, <&dmac0 0xc2>,
                       <&dmac1 0xc1>, <&dmac1 0xc2>;
                dma-names = "tx", "rx", "tx", "rx";
+               max-frequency = <97500000>;
                power-domains = <&sysc R8A7794_PD_ALWAYS_ON>;
                status = "disabled";
        };
@@ -755,6 +757,7 @@ sdhi2: sd@ee160000 {
                dmas = <&dmac0 0xd3>, <&dmac0 0xd4>,
                       <&dmac1 0xd3>, <&dmac1 0xd4>;
                dma-names = "tx", "rx", "tx", "rx";
+               max-frequency = <97500000>;
                power-domains = <&sysc R8A7794_PD_ALWAYS_ON>;
                status = "disabled";
        };