board/synopsys/vdk/patches/linux/0002-arc-vdk-Add-support-of-MMC-controller.patch

   1 From c9d5ba0157fcfe48c0ec3448bdaecbabb8cefbca Mon Sep 17 00:00:00 2001
   2 From: Alexey Brodkin <abrodkin@synopsys.com>
   3 Date: Tue, 31 Jan 2017 19:02:44 +0300
   4 Subject: [PATCH 2/3] arc: vdk: Add support of MMC controller
   5
   6 ARC VDK virtual platform emulates host MMC controller (DW Mobile Storage)
   7 and moreover rootfs is situated on that virtual card.
   8
   9 Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
  10 ---
  11  arch/arc/boot/dts/vdk_axs10x_mb.dtsi    | 18 ++++++++++++++++++
  12  arch/arc/configs/vdk_hs38_smp_defconfig |  5 ++++-
  13  2 files changed, 22 insertions(+), 1 deletion(-)
  14
  15 diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
  16 index 99498a4b4216..1953914b9f4f 100644
  17 --- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
  18 +++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
  19 @@ -23,6 +23,12 @@
  20                                 #clock-cells = <0>;
  21                         };
  22
  23 +                       mmcclk: mmcclk {
  24 +                               compatible = "fixed-clock";
  25 +                               clock-frequency = <50000000>;
  26 +                               #clock-cells = <0>;
  27 +                       };
  28 +
  29                         pguclk: pguclk {
  30                                 #clock-cells = <0>;
  31                                 compatible = "fixed-clock";
  32 @@ -94,5 +100,17 @@
  33                         interrupts = <5>;
  34                         interrupt-names = "arc_ps2_irq";
  35                 };
  36 +
  37 +               mmc@0x15000 {
  38 +                       compatible = "snps,dw-mshc";
  39 +                       reg = <0x15000 0x400>;
  40 +                       num-slots = <1>;
  41 +                       fifo-depth = <1024>;
  42 +                       card-detect-delay = <200>;
  43 +                       clocks = <&apbclk>, <&mmcclk>;
  44 +                       clock-names = "biu", "ciu";
  45 +                       interrupts = <7>;
  46 +                       bus-width = <4>;
  47 +               };
  48         };
  49  };
  50 diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
  51 index 00036e814dc1..85c697a7ef1c 100644
  52 --- a/arch/arc/configs/vdk_hs38_smp_defconfig
  53 +++ b/arch/arc/configs/vdk_hs38_smp_defconfig
  54 @@ -79,9 +79,12 @@ CONFIG_USB_OHCI_HCD=y
  55  CONFIG_USB_OHCI_HCD_PLATFORM=y
  56  CONFIG_USB_STORAGE=y
  57  CONFIG_USB_SERIAL=y
  58 +CONFIG_MMC=y
  59 +CONFIG_MMC_SDHCI=y
  60 +CONFIG_MMC_SDHCI_PLTFM=y
  61 +CONFIG_MMC_DW=y
  62  # CONFIG_IOMMU_SUPPORT is not set
  63  CONFIG_EXT3_FS=y
  64 -CONFIG_EXT4_FS=y
  65  CONFIG_MSDOS_FS=y
  66  CONFIG_VFAT_FS=y
  67  CONFIG_NTFS_FS=y
  68 --
  69 2.7.4
  70