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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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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2023-01-05 16:34 UTC|newest] Thread overview: 16+ 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 ` Samuel Holland 2022-12-31 16:04 ` [PATCH 1/2] dt-bindings: power: Add Allwinner D1 PPU Samuel Holland 2022-12-31 16:04 ` Samuel Holland 2022-12-31 18:58 ` Krzysztof Kozlowski 2022-12-31 18:58 ` Krzysztof Kozlowski 2022-12-31 19:12 ` Samuel Holland 2022-12-31 19:12 ` Samuel Holland 2022-12-31 16:04 ` [PATCH 2/2] soc: sunxi: Add Allwinner D1 PPU driver Samuel Holland 2022-12-31 16:04 ` Samuel Holland 2023-01-05 16:38 ` Jernej Škrabec 2023-01-05 16:38 ` Jernej Škrabec 2023-01-05 16:34 ` Jernej Škrabec [this message] 2023-01-05 16:34 ` [PATCH 0/2] Allwinner power domain support Jernej Škrabec 2023-01-26 6:23 ` Samuel Holland 2023-01-26 6:23 ` Samuel Holland
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