From: Samuel Holland <samuel@sholland.org>
To: Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>
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: [PATCH v2 0/3] Allwinner D1 power domain support
Date: Thu, 26 Jan 2023 00:34:16 -0600 [thread overview]
Message-ID: <20230126063419.15971-1-samuel@sholland.org> (raw)
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.
[1]: https://github.com/mangopi-sbc/tina-linux-5.4/blob/main/drivers/soc/sunxi/gpu_domain.c
[2]: https://github.com/mangopi-sbc/tina-linux-5.4/blob/main/drivers/soc/sunxi/pm_domains.c
Changes in v2:
- Removed quotes from "PPU"
- Fixed indentation in binding example
- Removed possibly misleading comment from the Kconfig description
- Include a patch adding the device tree node
Samuel Holland (3):
dt-bindings: power: Add Allwinner D1 PPU
soc: sunxi: Add Allwinner D1 PPU driver
riscv: dts: allwinner: d1: Add power controller node
.../power/allwinner,sun20i-d1-ppu.yaml | 54 +++++
.../boot/dts/allwinner/sunxi-d1s-t113.dtsi | 8 +
drivers/soc/sunxi/Kconfig | 8 +
drivers/soc/sunxi/Makefile | 1 +
drivers/soc/sunxi/sun20i-ppu.c | 207 ++++++++++++++++++
.../power/allwinner,sun20i-d1-ppu.h | 10 +
6 files changed, 288 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
--
2.37.4
next reply other threads:[~2023-01-26 6:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-26 6:34 Samuel Holland [this message]
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
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