[PATCH v2 4/7] ARM: dts: rockchip: add virtual iommu for display
From: zhengsq@rock-chips.com (Shunqian Zheng)
Date: 2016-06-08 13:27:16
Also in:
dri-devel, linux-devicetree, linux-iommu, linux-rockchip, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
An virtual iommu without reg or interrupts for display. Adding this according to iommu driver changes. Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com> --- arch/arm/boot/dts/rk3288.dtsi | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 7fa932f..4cd535f 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi@@ -219,9 +219,15 @@ clock-names = "timer", "pclk"; }; + display_mmu: virtual-iommu { + compatible = "rockchip,iommu"; + #iommu-cells = <0>; + }; + display-subsystem { compatible = "rockchip,display-subsystem"; ports = <&vopl_out>, <&vopb_out>; + iommus = <&display_mmu>; }; sdmmc: dwmmc at ff0c0000 {
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1.9.1