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Subject[PATCH 3/3] arc: vdk: Add support of UIO
Date
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 e03413fbc784..1a9b19903c9a 100644
--- a/arch/arc/configs/vdk_hs38_smp_defconfig
+++ b/arch/arc/configs/vdk_hs38_smp_defconfig
@@ -81,6 +81,8 @@ 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
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