An virtual iommu without reg or interrupts for display.
Adding this according to iommu driver changes.
Signed-off-by: Shunqian Zheng <zhengsq at 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 {
--
1.9.1
