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56613e7153
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>
44 lines
1.3 KiB
Plaintext
44 lines
1.3 KiB
Plaintext
device-tree bindings for rockchip VPU codec
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Rockchip (Video Processing Unit) present in various Rockchip platforms,
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such as RK3288, RK3328 and RK3399.
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Required properties:
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- compatible: value should be one of the following
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"rockchip,rk3288-vpu";
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"rockchip,rk3328-vpu";
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"rockchip,rk3399-vpu";
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- interrupts: encoding and decoding interrupt specifiers
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- interrupt-names: should be
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"vepu", "vdpu" on RK3288 and RK3399,
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"vdpu" on RK3328.
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- clocks: phandle to VPU aclk, hclk clocks
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- clock-names: should be "aclk" and "hclk"
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- power-domains: phandle to power domain node
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- iommus: phandle to a iommu node
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Example:
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SoC-specific DT entry:
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vpu: video-codec@ff9a0000 {
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compatible = "rockchip,rk3288-vpu";
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reg = <0x0 0xff9a0000 0x0 0x800>;
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interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "vepu", "vdpu";
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clocks = <&cru ACLK_VCODEC>, <&cru HCLK_VCODEC>;
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clock-names = "aclk", "hclk";
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power-domains = <&power RK3288_PD_VIDEO>;
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iommus = <&vpu_mmu>;
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};
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vpu: video-codec@ff350000 {
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compatible = "rockchip,rk3328-vpu";
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reg = <0x0 0xff350000 0x0 0x800>;
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interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "vdpu";
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clocks = <&cru ACLK_VPU>, <&cru HCLK_VPU>;
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clock-names = "aclk", "hclk";
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power-domains = <&power RK3328_PD_VPU>;
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iommus = <&vpu_mmu>;
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};
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