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0002-arc-vdk-Add-support-of-MMC-controller.patch

0002-arc-vdk-Add-support-of-MMC-controller.patch 1.9 KB
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  1. From c9d5ba0157fcfe48c0ec3448bdaecbabb8cefbca Mon Sep 17 00:00:00 2001
    2. 

  2. From: Alexey Brodkin <abrodkin@synopsys.com>
    3. 

  3. Date: Tue, 31 Jan 2017 19:02:44 +0300
    4. 

  4. Subject: [PATCH 2/3] arc: vdk: Add support of MMC controller
    5. 

  5. 

  6. ARC VDK virtual platform emulates host MMC controller (DW Mobile Storage)
    7. 

  7. and moreover rootfs is situated on that virtual card.
    8. 

  8. 

  9. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
    10. 

  10. ---
    11. 

  11.  arch/arc/boot/dts/vdk_axs10x_mb.dtsi    | 18 ++++++++++++++++++
    12. 

  12.  arch/arc/configs/vdk_hs38_smp_defconfig |  5 ++++-
    13. 

  13.  2 files changed, 22 insertions(+), 1 deletion(-)
    14. 

  14. 

  15. diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
    16. 

  16. index 99498a4b4216..1953914b9f4f 100644
    17. 

  17. --- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
    18. 

  18. +++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
    19. 

  19. @@ -23,6 +23,12 @@
    20. 

  20.  				#clock-cells = <0>;
    21. 

  21.  			};
    22. 

  22.  
    23. 

  23. +			mmcclk: mmcclk {
    24. 

  24. +				compatible = "fixed-clock";
    25. 

  25. +				clock-frequency = <50000000>;
    26. 

  26. +				#clock-cells = <0>;
    27. 

  27. +			};
    28. 

  28. +
    29. 

  29.  			pguclk: pguclk {
    30. 

  30.  				#clock-cells = <0>;
    31. 

  31.  				compatible = "fixed-clock";
    32. 

  32. @@ -94,5 +100,17 @@
    33. 

  33.  			interrupts = <5>;
    34. 

  34.  			interrupt-names = "arc_ps2_irq";
    35. 

  35.  		};
    36. 

  36. +
    37. 

  37. +		mmc@0x15000 {
    38. 

  38. +			compatible = "snps,dw-mshc";
    39. 

  39. +			reg = <0x15000 0x400>;
    40. 

  40. +			num-slots = <1>;
    41. 

  41. +			fifo-depth = <1024>;
    42. 

  42. +			card-detect-delay = <200>;
    43. 

  43. +			clocks = <&apbclk>, <&mmcclk>;
    44. 

  44. +			clock-names = "biu", "ciu";
    45. 

  45. +			interrupts = <7>;
    46. 

  46. +			bus-width = <4>;
    47. 

  47. +		};
    48. 

  48.  	};
    49. 

  49.  };
    50. 

  50. diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
    51. 

  51. index 00036e814dc1..85c697a7ef1c 100644
    52. 

  52. --- a/arch/arc/configs/vdk_hs38_smp_defconfig
    53. 

  53. +++ b/arch/arc/configs/vdk_hs38_smp_defconfig
    54. 

  54. @@ -79,9 +79,12 @@ CONFIG_USB_OHCI_HCD=y
    55. 

  55.  CONFIG_USB_OHCI_HCD_PLATFORM=y
    56. 

  56.  CONFIG_USB_STORAGE=y
    57. 

  57.  CONFIG_USB_SERIAL=y
    58. 

  58. +CONFIG_MMC=y
    59. 

  59. +CONFIG_MMC_SDHCI=y
    60. 

  60. +CONFIG_MMC_SDHCI_PLTFM=y
    61. 

  61. +CONFIG_MMC_DW=y
    62. 

  62.  # CONFIG_IOMMU_SUPPORT is not set
    63. 

  63.  CONFIG_EXT3_FS=y
    64. 

  64. -CONFIG_EXT4_FS=y
    65. 

  65.  CONFIG_MSDOS_FS=y
    66. 

  66.  CONFIG_VFAT_FS=y
    67. 

  67.  CONFIG_NTFS_FS=y
    68. 

  68. -- 
    69. 

  69. 2.7.4
    70. 

  70.