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[3/4] ARM: dts: keystone: Use dma-ranges property

Message ID 1398354142-2767-4-git-send-email-santosh.shilimkar@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Santosh Shilimkar April 24, 2014, 3:42 p.m. UTC 
From: Grygorii Strashko <grygorii.strashko@ti.com>

The dma-ranges property has to be specified per bus and has format:
 < DMA addr > - Base DMA address for Bus (Bus format 32-bits)
 < CPU addr > - Corresponding base CPU address (CPU format 64-bits)
 < DMA range size > - Size of supported DMA range

Cc: Russell King <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
---
 arch/arm/boot/dts/keystone.dtsi |    1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi
index 90823eb..404ff1f 100644
--- a/arch/arm/boot/dts/keystone.dtsi
+++ b/arch/arm/boot/dts/keystone.dtsi
@@ -66,6 +66,7 @@ 
 		compatible = "ti,keystone","simple-bus";
 		interrupt-parent = <&gic>;
 		ranges = <0x0 0x0 0x0 0xc0000000>;
+		dma-ranges = <0x80000000 0x8 0x00000000 0x80000000>;
 
 		rstctrl: reset-controller {
 			compatible = "ti,keystone-reset";