| From c9d5ba0157fcfe48c0ec3448bdaecbabb8cefbca Mon Sep 17 00:00:00 2001 |
| From: Alexey Brodkin <abrodkin@synopsys.com> |
| Date: Tue, 31 Jan 2017 19:02:44 +0300 |
| Subject: [PATCH 2/3] 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> |
| --- |
| arch/arc/boot/dts/vdk_axs10x_mb.dtsi | 18 ++++++++++++++++++ |
| arch/arc/configs/vdk_hs38_smp_defconfig | 5 ++++- |
| 2 files changed, 22 insertions(+), 1 deletion(-) |
| |
| 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 00036e814dc1..85c697a7ef1c 100644 |
| --- a/arch/arc/configs/vdk_hs38_smp_defconfig |
| +++ b/arch/arc/configs/vdk_hs38_smp_defconfig |
| @@ -79,9 +79,12 @@ 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_EXT4_FS=y |
| CONFIG_MSDOS_FS=y |
| CONFIG_VFAT_FS=y |
| CONFIG_NTFS_FS=y |
| -- |
| 2.7.4 |
| |
