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From: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
To: linux-snps-arc@lists.infradead.org
Cc: linux-kernel@vger.kernel.org,
	Vineet Gupta <Vineet.Gupta1@synopsys.com>,
	Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Subject: [PATCH 3/3] arc: vdk: Add support of UIO
Date: Wed,  1 Feb 2017 19:42:53 +0300	[thread overview]
Message-ID: <1485967373-15273-4-git-send-email-abrodkin@synopsys.com> (raw)
In-Reply-To: <1485967373-15273-1-git-send-email-abrodkin@synopsys.com>

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

WARNING: multiple messages have this Message-ID (diff)
From: Alexey.Brodkin@synopsys.com (Alexey Brodkin)
To: linux-snps-arc@lists.infradead.org
Subject: [PATCH 3/3] arc: vdk: Add support of UIO
Date: Wed,  1 Feb 2017 19:42:53 +0300	[thread overview]
Message-ID: <1485967373-15273-4-git-send-email-abrodkin@synopsys.com> (raw)
In-Reply-To: <1485967373-15273-1-git-send-email-abrodkin@synopsys.com>

ARC VDK for EVSS uses UIO for communication with Embedded Vision
Subsystem.

Signed-off-by: Alexey Brodkin <abrodkin at 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 at 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

  parent reply	other threads:[~2017-02-01 16:43 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-01 16:42 [PATCH 0/3] Updates for ARC VDK platform Alexey Brodkin
2017-02-01 16:42 ` Alexey Brodkin
2017-02-01 16:42 ` [PATCH 1/3] arc: vdk: Disable halt on reset Alexey Brodkin
2017-02-01 16:42   ` Alexey Brodkin
2017-02-01 16:52   ` Vineet Gupta
2017-02-01 16:52     ` Vineet Gupta
2017-02-01 17:14     ` Alexey Brodkin
2017-02-01 17:14       ` Alexey Brodkin
2017-02-01 17:37       ` Vineet Gupta
2017-02-01 17:37         ` Vineet Gupta
2017-02-01 17:52         ` Alexey Brodkin
2017-02-01 17:52           ` Alexey Brodkin
2017-02-01 19:56           ` Vineet Gupta
2017-02-01 19:56             ` Vineet Gupta
2017-02-01 20:03             ` Alexey Brodkin
2017-02-01 20:03               ` Alexey Brodkin
2017-02-02 14:03             ` Ruud Derwig
2017-02-02 14:03               ` Ruud Derwig
2017-02-01 16:42 ` [PATCH 2/3] arc: vdk: Add support of MMC controller Alexey Brodkin
2017-02-01 16:42   ` Alexey Brodkin
2017-02-01 16:42 ` Alexey Brodkin [this message]
2017-02-01 16:42   ` [PATCH 3/3] arc: vdk: Add support of UIO Alexey Brodkin
2017-02-01 17:13 ` [PATCH 0/3] Updates for ARC VDK platform Vineet Gupta
2017-02-01 17:13   ` Vineet Gupta
2017-02-01 17:15   ` Alexey Brodkin
2017-02-01 17:15     ` Alexey Brodkin
2017-02-01 17:22     ` Vineet Gupta
2017-02-01 17:22       ` Vineet Gupta
2017-02-01 17:35       ` Alexey Brodkin
2017-02-01 17:35         ` Alexey Brodkin

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