summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAlexey Brodkin <Alexey.Brodkin@synopsys.com>2017-02-01 19:42:52 +0300
committerVineet Gupta <vgupta@synopsys.com>2017-02-06 09:37:57 -0800
commitd9174e722debd070efe57323de60610cf54b0049 (patch)
tree771dd05dbd89336294cd4f779ffb7132ec833a16
parent91447ec9b4d0c5ad6eaa66400f3fd7cb4baff7df (diff)
arc: vdk: Add support of MMC controller
ARC VDK virtual platform emulates host MMC controller (DW Mobile Storage) and moreover rootfs is situated on that virtual card. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
-rw-r--r--arch/arc/boot/dts/vdk_axs10x_mb.dtsi18
-rw-r--r--arch/arc/configs/vdk_hs38_smp_defconfig4
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
index 99498a4b4216..1953914b9f4f 100644
--- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
+++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
@@ -23,6 +23,12 @@
#clock-cells = <0>;
};
+ mmcclk: mmcclk {
+ compatible = "fixed-clock";
+ clock-frequency = <50000000>;
+ #clock-cells = <0>;
+ };
+
pguclk: pguclk {
#clock-cells = <0>;
compatible = "fixed-clock";
@@ -94,5 +100,17 @@
interrupts = <5>;
interrupt-names = "arc_ps2_irq";
};
+
+ mmc@0x15000 {
+ compatible = "snps,dw-mshc";
+ reg = <0x15000 0x400>;
+ num-slots = <1>;
+ fifo-depth = <1024>;
+ card-detect-delay = <200>;
+ clocks = <&apbclk>, <&mmcclk>;
+ clock-names = "biu", "ciu";
+ interrupts = <7>;
+ bus-width = <4>;
+ };
};
};
diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
index f84714e76483..f06c7fca500c 100644
--- a/arch/arc/configs/vdk_hs38_smp_defconfig
+++ b/arch/arc/configs/vdk_hs38_smp_defconfig
@@ -78,6 +78,10 @@ CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_STORAGE=y
CONFIG_USB_SERIAL=y
+CONFIG_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_MMC_DW=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_MSDOS_FS=y