From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: Chen-Yu Tsai <wens@csie.org>, Samuel Holland <samuel@sholland.org>
Cc: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Samuel Holland <samuel@sholland.org>,
Andre Przywara <andre.przywara@arm.com>,
Conor Dooley <conor@kernel.org>,
Heiko Stuebner <heiko.stuebner@vrull.eu>,
Palmer Dabbelt <palmer@dabbelt.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-sunxi@lists.linux.dev
Subject: Re: [PATCH v2 3/3] riscv: dts: allwinner: d1: Add power controller node
Date: Fri, 27 Jan 2023 23:17:34 +0100 [thread overview]
Message-ID: <4773605.GXAFRqVoOG@jernej-laptop> (raw)
In-Reply-To: <20230126063419.15971-4-samuel@sholland.org>
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>;
prev parent reply other threads:[~2023-01-27 22:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-26 6:34 [PATCH v2 0/3] Allwinner D1 power domain support Samuel Holland
2023-01-26 6:34 ` [PATCH v2 1/3] dt-bindings: power: Add Allwinner D1 PPU Samuel Holland
2023-01-26 6:34 ` [PATCH v2 2/3] soc: sunxi: Add Allwinner D1 PPU driver Samuel Holland
2023-01-26 6:34 ` [PATCH v2 3/3] riscv: dts: allwinner: d1: Add power controller node Samuel Holland
2023-01-27 22:17 ` Jernej Škrabec [this message]
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