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riscv: dts: allwinner: d1: Add power controller node 

The Allwinner D1 family of SoCs contain a PPU power domain controller
separate from the PRCM. It can power down the video engine and DSP, and
it contains special logic for hardware-assisted CPU idle.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20230126063419.15971-4-samuel@sholland.org
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
This commit is contained in:
Samuel Holland 2023-01-26 00:34:19 -06:00 committed by Jernej Skrabec
parent 6f5178acf6
commit dca36f7b3d
1 changed files with 8 additions and 0 deletions
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8
arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
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@ -799,6 +799,14 @@
};
};
ppu: power-controller@7001000 {
compatible = "allwinner,sun20i-d1-ppu";
reg = <0x7001000 0x1000>;
clocks = <&r_ccu CLK_BUS_R_PPU>;
resets = <&r_ccu RST_BUS_R_PPU>;
#power-domain-cells = <1>;
};
r_ccu: clock-controller@7010000 {
compatible = "allwinner,sun20i-d1-r-ccu";
reg = <0x7010000 0x400>;