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media: dt-bindings: rockchip: Document RK3328 VPU binding 

Update devicetree binding documentation for Rockchip VPU on RK3328.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Jonas Karlman 2019-05-29 06:54:27 -04:00 committed by Mauro Carvalho Chehab
parent bdd034050a
commit 56613e7153
1 changed files with 16 additions and 2 deletions
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18
Documentation/devicetree/bindings/media/rockchip-vpu.txt
View File

@ -1,14 +1,17 @@
device-tree bindings for rockchip VPU codec
Rockchip (Video Processing Unit) present in various Rockchip platforms,
such as RK3288 and RK3399.
such as RK3288, RK3328 and RK3399.
Required properties:
- compatible: value should be one of the following
"rockchip,rk3288-vpu";
"rockchip,rk3328-vpu";
"rockchip,rk3399-vpu";
- interrupts: encoding and decoding interrupt specifiers
- interrupt-names: should be "vepu" and "vdpu"
- interrupt-names: should be
"vepu", "vdpu" on RK3288 and RK3399,
"vdpu" on RK3328.
- clocks: phandle to VPU aclk, hclk clocks
- clock-names: should be "aclk" and "hclk"
- power-domains: phandle to power domain node
@ -27,3 +30,14 @@ SoC-specific DT entry:
power-domains = <&power RK3288_PD_VIDEO>;
iommus = <&vpu_mmu>;
};
vpu: video-codec@ff350000 {
compatible = "rockchip,rk3328-vpu";
reg = <0x0 0xff350000 0x0 0x800>;
interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "vdpu";
clocks = <&cru ACLK_VPU>, <&cru HCLK_VPU>;
clock-names = "aclk", "hclk";
power-domains = <&power RK3328_PD_VPU>;
iommus = <&vpu_mmu>;
};