| From caa0dca3f4913712d1883e9b3b540f0815864ed9 Mon Sep 17 00:00:00 2001 |
| From: Alexey Brodkin <abrodkin@synopsys.com> |
| Date: Tue, 31 Jan 2017 19:03:56 +0300 |
| Subject: [PATCH 3/3] arc: vdk: Add support of UIO |
| |
| ARC VDK for EVSS uses UIO for communication with Embedded Vision |
| Subsystem. |
| |
| Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> |
| --- |
| arch/arc/boot/dts/vdk_axs10x_mb.dtsi | 8 ++++++++ |
| arch/arc/configs/vdk_hs38_smp_defconfig | 2 ++ |
| 2 files changed, 10 insertions(+) |
| |
| diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi |
| index 1953914b9f4f..f0df59b23e21 100644 |
| --- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi |
| +++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi |
| @@ -112,5 +112,13 @@ |
| interrupts = <7>; |
| bus-width = <4>; |
| }; |
| + |
| + /* Embedded Vision subsystem UIO mappings; only relevant for EV VDK */ |
| + uio_ev: uio@0xD0000000 { |
| + compatible = "generic-uio"; |
| + reg = <0xD0000000 0x2000 0xD1000000 0x2000 0x90000000 0x10000000 0xC0000000 0x10000000>; |
| + reg-names = "ev_gsa", "ev_ctrl", "ev_shared_mem", "ev_code_mem"; |
| + interrupts = <23>; |
| + }; |
| }; |
| }; |
| diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig |
| index 85c697a7ef1c..ecd7f42d50c9 100644 |
| --- a/arch/arc/configs/vdk_hs38_smp_defconfig |
| +++ b/arch/arc/configs/vdk_hs38_smp_defconfig |
| @@ -83,6 +83,8 @@ CONFIG_MMC=y |
| CONFIG_MMC_SDHCI=y |
| CONFIG_MMC_SDHCI_PLTFM=y |
| CONFIG_MMC_DW=y |
| +CONFIG_UIO=y |
| +CONFIG_UIO_PDRV_GENIRQ=y |
| # CONFIG_IOMMU_SUPPORT is not set |
| CONFIG_EXT3_FS=y |
| CONFIG_MSDOS_FS=y |
| -- |
| 2.7.4 |
| |