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@@ -0,0 +1,70 @@
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+From c9d5ba0157fcfe48c0ec3448bdaecbabb8cefbca Mon Sep 17 00:00:00 2001
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+From: Alexey Brodkin <abrodkin@synopsys.com>
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+Date: Tue, 31 Jan 2017 19:02:44 +0300
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+Subject: [PATCH 2/3] arc: vdk: Add support of MMC controller
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+
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+ARC VDK virtual platform emulates host MMC controller (DW Mobile Storage)
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+and moreover rootfs is situated on that virtual card.
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+
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+Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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+---
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+ arch/arc/boot/dts/vdk_axs10x_mb.dtsi | 18 ++++++++++++++++++
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+ arch/arc/configs/vdk_hs38_smp_defconfig | 5 ++++-
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+ 2 files changed, 22 insertions(+), 1 deletion(-)
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+
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+diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
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+index 99498a4b4216..1953914b9f4f 100644
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+--- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
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++++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
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+@@ -23,6 +23,12 @@
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+ #clock-cells = <0>;
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+ };
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+
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++ mmcclk: mmcclk {
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++ compatible = "fixed-clock";
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++ clock-frequency = <50000000>;
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++ #clock-cells = <0>;
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++ };
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++
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+ pguclk: pguclk {
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+ #clock-cells = <0>;
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+ compatible = "fixed-clock";
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+@@ -94,5 +100,17 @@
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+ interrupts = <5>;
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+ interrupt-names = "arc_ps2_irq";
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+ };
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++
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++ mmc@0x15000 {
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++ compatible = "snps,dw-mshc";
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++ reg = <0x15000 0x400>;
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++ num-slots = <1>;
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++ fifo-depth = <1024>;
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++ card-detect-delay = <200>;
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++ clocks = <&apbclk>, <&mmcclk>;
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++ clock-names = "biu", "ciu";
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++ interrupts = <7>;
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++ bus-width = <4>;
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++ };
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+ };
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+ };
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+diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
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+index 00036e814dc1..85c697a7ef1c 100644
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+--- a/arch/arc/configs/vdk_hs38_smp_defconfig
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++++ b/arch/arc/configs/vdk_hs38_smp_defconfig
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+@@ -79,9 +79,12 @@ CONFIG_USB_OHCI_HCD=y
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+ CONFIG_USB_OHCI_HCD_PLATFORM=y
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+ CONFIG_USB_STORAGE=y
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+ CONFIG_USB_SERIAL=y
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++CONFIG_MMC=y
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++CONFIG_MMC_SDHCI=y
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++CONFIG_MMC_SDHCI_PLTFM=y
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++CONFIG_MMC_DW=y
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+ # CONFIG_IOMMU_SUPPORT is not set
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+ CONFIG_EXT3_FS=y
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+-CONFIG_EXT4_FS=y
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+ CONFIG_MSDOS_FS=y
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+ CONFIG_VFAT_FS=y
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+ CONFIG_NTFS_FS=y
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+--
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+2.7.4
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+
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