board/synopsys/vdk/patches/linux/0003-arc-vdk-Add-support-of-UIO.patch

   1 From caa0dca3f4913712d1883e9b3b540f0815864ed9 Mon Sep 17 00:00:00 2001
   2 From: Alexey Brodkin <abrodkin@synopsys.com>
   3 Date: Tue, 31 Jan 2017 19:03:56 +0300
   4 Subject: [PATCH 3/3] arc: vdk: Add support of UIO
   5
   6 ARC VDK for EVSS uses UIO for communication with Embedded Vision
   7 Subsystem.
   8
   9 Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
  10 ---
  11  arch/arc/boot/dts/vdk_axs10x_mb.dtsi    | 8 ++++++++
  12  arch/arc/configs/vdk_hs38_smp_defconfig | 2 ++
  13  2 files changed, 10 insertions(+)
  14
  15 diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
  16 index 1953914b9f4f..f0df59b23e21 100644
  17 --- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
  18 +++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
  19 @@ -112,5 +112,13 @@
  20                         interrupts = <7>;
  21                         bus-width = <4>;
  22                 };
  23 +
  24 +               /* Embedded Vision subsystem UIO mappings; only relevant for EV VDK */
  25 +               uio_ev: uio@0xD0000000 {
  26 +                       compatible = "generic-uio";
  27 +                       reg = <0xD0000000 0x2000 0xD1000000 0x2000 0x90000000 0x10000000 0xC0000000 0x10000000>;
  28 +                       reg-names = "ev_gsa", "ev_ctrl", "ev_shared_mem", "ev_code_mem";
  29 +                       interrupts = <23>;
  30 +               };
  31         };
  32  };
  33 diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig
  34 index 85c697a7ef1c..ecd7f42d50c9 100644
  35 --- a/arch/arc/configs/vdk_hs38_smp_defconfig
  36 +++ b/arch/arc/configs/vdk_hs38_smp_defconfig
  37 @@ -83,6 +83,8 @@ CONFIG_MMC=y
  38  CONFIG_MMC_SDHCI=y
  39  CONFIG_MMC_SDHCI_PLTFM=y
  40  CONFIG_MMC_DW=y
  41 +CONFIG_UIO=y
  42 +CONFIG_UIO_PDRV_GENIRQ=y
  43  # CONFIG_IOMMU_SUPPORT is not set
  44  CONFIG_EXT3_FS=y
  45  CONFIG_MSDOS_FS=y
  46 --
  47 2.7.4
  48