Add System Memory Management Unit(SysMMU) for dpum also called iommu.
This sysmmu is version 7.4, which has same functionality as exynos850.
DPUM has 4 dma channel, each channel is mapped to one iommu.
Signed-off-by: Kwanghoon Son <k.son@xxxxxxxxxxx>
---
arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 36 ++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
index 599e72824875..b36292a7db64 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
@@ -261,6 +261,42 @@ cmu_dpum: clock-controller@18c00000 {
clock-names = "oscclk", "bus";
};
+ sysmmu_dpum_0: sysmmu@18c80000 {
+ compatible = "samsung,exynos-sysmmu";
+ reg = <0x18c80000 0x10000>;
+ interrupts = <GIC_SPI 459 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cmu_dpum CLK_GOUT_DPUM_SYSMMU_D0_CLK>;
+ clock-names = "sysmmu";
+ #iommu-cells = <0>;
+ };
+
+ sysmmu_dpum_1: sysmmu@18c90000 {
+ compatible = "samsung,exynos-sysmmu";
+ reg = <0x18c90000 0x10000>;
+ interrupts = <GIC_SPI 459 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cmu_dpum CLK_GOUT_DPUM_SYSMMU_D1_CLK>;
+ clock-names = "sysmmu";
+ #iommu-cells = <0>;
+ };
+
+ sysmmu_dpum_2: sysmmu@18ca0000 {
+ compatible = "samsung,exynos-sysmmu";
+ reg = <0x18ca0000 0x10000>;
+ interrupts = <GIC_SPI 459 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cmu_dpum CLK_GOUT_DPUM_SYSMMU_D2_CLK>;
+ clock-names = "sysmmu";
+ #iommu-cells = <0>;
+ };
+
+ sysmmu_dpum_3: sysmmu@18cb0000 {
+ compatible = "samsung,exynos-sysmmu";
+ reg = <0x18cb0000 0x10000>;
+ interrupts = <GIC_SPI 459 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cmu_dpum CLK_GOUT_DPUM_SYSMMU_D3_CLK>;
+ clock-names = "sysmmu";
+ #iommu-cells = <0>;
+ };
+
cmu_core: clock-controller@1b030000 {
compatible = "samsung,exynosautov9-cmu-core";
reg = <0x1b030000 0x8000>;
---
base-commit: 367b5c3d53e57d51a5878816804652963da90950
change-id: 20240819-add_sysmmu-1a89611ddee4
Best regards,
--
Kwanghoon Son <k.son@xxxxxxxxxxx>
