Messages in this thread | | | From | Jernej Škrabec <> | Subject | Re: [PATCH v2 3/3] riscv: dts: allwinner: d1: Add power controller node | Date | Fri, 27 Jan 2023 23:17:34 +0100 |
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Dne četrtek, 26. januar 2023 ob 07:34:19 CET je Samuel Holland napisal(a): > 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>
Best regards, Jernej
> --- > > Changes in v2: > - Include a patch adding the device tree node > > arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi > b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi index > 3723612b1fd8..6fadcee7800f 100644 > --- a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi > +++ b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi > @@ -799,6 +799,14 @@ tcon_tv0_out_tcon_top_hdmi: endpoint { > }; > }; > > + 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>;
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