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ARM: dts: sun8i-a33: Add Video Engine and reserved memory nodes

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This adds nodes for the Video Engine and the associated reserved memory
for the A33. Up to 96 MiB of memory are dedicated to the CMA pool.

The VPU can only map the first 256 MiB of DRAM, so the reserved memory
pool has to be located in that area. Following Allwinner's decision in
downstream software, the last 96 MiB of the first 256 MiB of RAM are
reserved for this purpose.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
This commit is contained in:
Paul Kocialkowski 2018-09-07 00:24:41 +02:00 committed by Maxime Ripard
parent c2a641a748
commit 8992566bfc
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GPG Key ID: D2B4C094214DAF74
1 changed files with 26 additions and 0 deletions
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26
arch/arm/boot/dts/sun8i-a33.dtsi
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@ -190,6 +190,21 @@
reg = <0x40000000 0x80000000>;
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
ranges;
/* Address must be kept in the lower 256 MiBs of DRAM for VE. */
cma_pool: cma@4a000000 {
compatible = "shared-dma-pool";
size = <0x6000000>;
alloc-ranges = <0x4a000000 0x6000000>;
reusable;
linux,cma-default;
};
};
sound: sound {
compatible = "simple-audio-card";
simple-audio-card,name = "sun8i-a33-audio";
@ -254,6 +269,17 @@
};
};
video-codec@01c0e000 {
compatible = "allwinner,sun8i-a33-video-engine";
reg = <0x01c0e000 0x1000>;
clocks = <&ccu CLK_BUS_VE>, <&ccu CLK_VE>,
<&ccu CLK_DRAM_VE>;
clock-names = "ahb", "mod", "ram";
resets = <&ccu RST_BUS_VE>;
interrupts = <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>;
allwinner,sram = <&ve_sram 1>;
};
crypto: crypto-engine@1c15000 {
compatible = "allwinner,sun4i-a10-crypto";
reg = <0x01c15000 0x1000>;