From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: Chen-Yu Tsai <wens@csie.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Samuel Holland <samuel@sholland.org>
Cc: Samuel Holland <samuel@sholland.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev
Subject: Re: [PATCH 0/2] Allwinner power domain support
Date: Thu, 05 Jan 2023 17:34:46 +0100 [thread overview]
Message-ID: <1915282.PYKUYFuaPT@jernej-laptop> (raw)
In-Reply-To: <20221231160402.16157-1-samuel@sholland.org>
Dne sobota, 31. december 2022 ob 17:04:00 CET je Samuel Holland napisal(a):
> This series adds support for the power controller found in D1 and other
> recent Allwinner SoCs. There is no first-party documentation, but there
> are a couple of vendor drivers for different hardware revisions[1][2],
> and the register definitions were easy to verify empirically.
>
> I have tested this driver on D1 with the video engine. There is no DT
> update patch here to avoid dependencies between series. The example in
> the binding is what will go in the D1 DT.
So such driver is needed for H616 for GPU? Or is power domain handling
different there?
Best regards,
Jernej
>
> [1]:
> https://github.com/mangopi-sbc/tina-linux-5.4/blob/main/drivers/soc/sunxi/g
> pu_domain.c [1]:
> https://github.com/mangopi-sbc/tina-linux-5.4/blob/main/drivers/soc/sunxi/p
> m_domains.c
>
>
> Samuel Holland (2):
> dt-bindings: power: Add Allwinner D1 PPU
> soc: sunxi: Add Allwinner D1 PPU driver
>
> .../power/allwinner,sun20i-d1-ppu.yaml | 54 +++++
> drivers/soc/sunxi/Kconfig | 9 +
> drivers/soc/sunxi/Makefile | 1 +
> drivers/soc/sunxi/sun20i-ppu.c | 207 ++++++++++++++++++
> .../power/allwinner,sun20i-d1-ppu.h | 10 +
> 5 files changed, 281 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/power/allwinner,sun20i-d1-ppu.yaml create
> mode 100644 drivers/soc/sunxi/sun20i-ppu.c
> create mode 100644 include/dt-bindings/power/allwinner,sun20i-d1-ppu.h
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next prev parent reply other threads:[~2023-01-05 22:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-31 16:04 [PATCH 0/2] Allwinner power domain support Samuel Holland
2022-12-31 16:04 ` [PATCH 1/2] dt-bindings: power: Add Allwinner D1 PPU Samuel Holland
2022-12-31 18:58 ` Krzysztof Kozlowski
2022-12-31 19:12 ` Samuel Holland
2022-12-31 16:04 ` [PATCH 2/2] soc: sunxi: Add Allwinner D1 PPU driver Samuel Holland
2023-01-05 16:38 ` Jernej Škrabec
2023-01-05 16:34 ` Jernej Škrabec [this message]
2023-01-26 6:23 ` [PATCH 0/2] Allwinner power domain support Samuel Holland
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