arm64: dts: renesas: r8a77970: add MMC support

Define the generic R8A77970 part of the MMC0 (SDHI2) device node.

Based on the original (and large) patches by Vladimir Barinov.

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a77970.dtsi b/arch/arm64/boot/dts/renesas/r8a77970.dtsi
index 6c0832f..b71f3ec 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77970.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77970.dtsi
@@ -754,6 +754,18 @@
                        #iommu-cells = <1>;
                };
 
+               mmc0: mmc@ee140000 {
+                       compatible = "renesas,sdhi-r8a77970",
+                                    "renesas,rcar-gen3-sdhi";
+                       reg = <0 0xee140000 0 0x2000>;
+                       interrupts = <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 314>;
+                       power-domains = <&sysc R8A77970_PD_ALWAYS_ON>;
+                       resets = <&cpg 314>;
+                       max-frequency = <200000000>;
+                       status = "disabled";
+               };
+
                gic: interrupt-controller@f1010000 {
                        compatible = "arm,gic-400";
                        #interrupt-cells = <3>;