This commits adds support for MMC controllers present on Actions S700 SoC,
there are 3 MMC controllers in this SoC which can be used for accessing
SD/EMMC/SDIO cards.

Signed-off-by: Amit Singh Tomar <amittome...@gmail.com>
---
Changes since v4:
        * No change.
Changes since v3:
        * No change.
Changes since v2:
        * No change.
Changes since v1:
        * Added SoC specific compatibe string.
Changes since RFC:
        * No change
---
 arch/arm64/boot/dts/actions/s700.dtsi | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/actions/s700.dtsi 
b/arch/arm64/boot/dts/actions/s700.dtsi
index 2c78caebf515..9ed88aafc2da 100644
--- a/arch/arm64/boot/dts/actions/s700.dtsi
+++ b/arch/arm64/boot/dts/actions/s700.dtsi
@@ -259,5 +259,38 @@
                        clocks = <&cmu CLK_DMAC>;
                        power-domains = <&sps S700_PD_DMA>;
                };
+
+               mmc0: mmc@e0210000 {
+                       compatible = "actions,s700-mmc", "actions,owl-mmc";
+                       reg = <0x0 0xe0210000 0x0 0x4000>;
+                       interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cmu CLK_SD0>;
+                       resets = <&cmu RESET_SD0>;
+                       dmas = <&dma 2>;
+                       dma-names = "mmc";
+                       status = "disabled";
+               };
+
+               mmc1: mmc@e0214000 {
+                       compatible = "actions,s700-mmc", "actions,owl-mmc";
+                       reg = <0x0 0xe0214000 0x0 0x4000>;
+                       interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cmu CLK_SD1>;
+                       resets = <&cmu RESET_SD1>;
+                       dmas = <&dma 3>;
+                       dma-names = "mmc";
+                       status = "disabled";
+               };
+
+               mmc2: mmc@e0218000 {
+                       compatible = "actions,s700-mmc", "actions,owl-mmc";
+                       reg = <0x0 0xe0218000 0x0 0x4000>;
+                       interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cmu CLK_SD2>;
+                       resets = <&cmu RESET_SD2>;
+                       dmas = <&dma 4>;
+                       dma-names = "mmc";
+                       status = "disabled";
+               };
        };
 };
-- 
2.7.4

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