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Sat, 05 Jul 2025 19:57:21 -0700 (PDT) From: iuncuim To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Andre Przywara , Jernej Skrabec , Samuel Holland Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] arm64: dts: allwinner: a523: add Mali GPU node Date: Sun, 6 Jul 2025 10:56:22 +0800 Message-ID: <20250706025625.2707073-2-iuncuim@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250706025625.2707073-1-iuncuim@gmail.com> References: <20250706025625.2707073-1-iuncuim@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: Mikhail Kalashnikov The Allwinner A523 SoC features the Mali-G57 MC1 GPU, which belongs to the Mali Valhall (v9) family. There is a power domain specifically for this GPU that needs to be enabled to utilize it. To enable in a specific device, we need to enable the gpu node and specify the =E2=80=9Cmali-supply=E2=80=9D regulator additionally in the device tree. Signed-off-by: Mikhail Kalashnikov --- arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi b/arch/arm64/bo= ot/dts/allwinner/sun55i-a523.dtsi index dd6fa22f9..d3528d498 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi @@ -108,6 +108,21 @@ soc { #size-cells =3D <1>; ranges =3D <0x0 0x0 0x0 0x40000000>; =20 + gpu: gpu@1800000 { + compatible =3D "allwinner,sun55i-a523-mali", + "arm,mali-valhall-jm"; + reg =3D <0x1800000 0x10000>; + interrupts =3D , + , + ; + interrupt-names =3D "job", "mmu", "gpu"; + clocks =3D <&ccu CLK_GPU>, <&ccu CLK_BUS_GPU>; + clock-names =3D "core", "bus"; + power-domains =3D <&pck600 PD_GPU>; + resets =3D <&ccu RST_BUS_GPU>; + status =3D "disabled"; + }; + pio: pinctrl@2000000 { compatible =3D "allwinner,sun55i-a523-pinctrl"; reg =3D <0x2000000 0x800>; --=20 2.50.0