[PATCH v2 3/3] arm64: dts: rockchip: Add vdec support for RK3328

From: Christopher Obbard
Date: Mon Apr 25 2022 - 08:33:08 EST


The RK3328 has an vdec device with dedicated iommu.
Describe the vdec device, the required power-domains
and enable the iommu in the devicetree.

Signed-off-by: Christopher Obbard <chris.obbard@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3328.dtsi | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index f8ef149fedad..49ae15708a0b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -306,6 +306,10 @@ power-domain@RK3328_PD_HEVC {
};
power-domain@RK3328_PD_VIDEO {
reg = <RK3328_PD_VIDEO>;
+ clocks = <&cru ACLK_RKVDEC>,
+ <&cru HCLK_RKVDEC>,
+ <&cru SCLK_VDEC_CABAC>,
+ <&cru SCLK_VDEC_CORE>;
#power-domain-cells = <0>;
};
power-domain@RK3328_PD_VPU {
@@ -660,6 +664,20 @@ vpu_mmu: iommu@ff350800 {
power-domains = <&power RK3328_PD_VPU>;
};

+ vdec: video-codec@ff360000 {
+ compatible = "rockchip,rk3328-vdec", "rockchip,rk3399-vdec";
+ reg = <0x0 0xff360000 0x0 0x400>;
+ interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru ACLK_RKVDEC>, <&cru HCLK_RKVDEC>,
+ <&cru SCLK_VDEC_CABAC>, <&cru SCLK_VDEC_CORE>;
+ clock-names = "axi", "ahb", "cabac", "core";
+ assigned-clocks = <&cru ACLK_RKVDEC>, <&cru SCLK_VDEC_CABAC>,
+ <&cru SCLK_VDEC_CORE>;
+ assigned-clock-rates = <400000000>, <400000000>, <300000000>;
+ iommus = <&vdec_mmu>;
+ power-domains = <&power RK3328_PD_VIDEO>;
+ };
+
vdec_mmu: iommu@ff360480 {
compatible = "rockchip,iommu";
reg = <0x0 0xff360480 0x0 0x40>, <0x0 0xff3604c0 0x0 0x40>;
@@ -667,7 +685,7 @@ vdec_mmu: iommu@ff360480 {
clocks = <&cru ACLK_RKVDEC>, <&cru HCLK_RKVDEC>;
clock-names = "aclk", "iface";
#iommu-cells = <0>;
- status = "disabled";
+ power-domains = <&power RK3328_PD_VIDEO>;
};

vop: vop@ff370000 {
--
2.34.1