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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 Tested-by: Chen-Yu Tsai --- 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 From nobody Tue Oct 7 21:25:58 2025 Received: from mail-lj1-f181.google.com (mail-lj1-f181.google.com [209.85.208.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 046C3170A11; 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charset="utf-8" From: Mikhail Kalashnikov All devices based on the A523/A527/H728/T527 processors contain a G57 MC1 G= PU. Enable the DT nodes for this GPU and specify a regulator that supplies power to the SoC's VDD_GPU pins. The other parameters are set in the SoC dtsi, so are board independent. Signed-off-by: Mikhail Kalashnikov Tested-by: Chen-Yu Tsai --- arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts | 5 +++++ arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts | 5 +++++ arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts | 5 +++++ arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts | 5 +++++ 4 files changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts b/arch= /arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts index 8bc0f2c72..553ad774e 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-a527-cubie-a5e.dts @@ -66,6 +66,11 @@ &gmac0 { status =3D "okay"; }; =20 +&gpu { + mali-supply =3D <®_dcdc2>; + status =3D "okay"; +}; + &mdio0 { ext_rgmii_phy: ethernet-phy@1 { compatible =3D "ethernet-phy-ieee802.3-c22"; diff --git a/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts b/arch/= arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts index 59db10354..a96927fbd 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-h728-x96qpro+.dts @@ -54,6 +54,11 @@ &ehci1 { status =3D "okay"; }; =20 +&gpu { + mali-supply =3D <®_dcdc2>; + status =3D "okay"; +}; + &mmc0 { vmmc-supply =3D <®_vcc3v3>; cd-gpios =3D <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */ diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts b/arch= /arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts index 142177c1f..b9eeb6753 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts @@ -76,6 +76,11 @@ &gmac0 { status =3D "okay"; }; =20 +&gpu { + mali-supply =3D <®_dcdc2>; + status =3D "okay"; +}; + &mdio0 { ext_rgmii_phy: ethernet-phy@1 { compatible =3D "ethernet-phy-ieee802.3-c22"; diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts b/ar= ch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts index 5f97505ec..d07bb9193 100644 --- a/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts +++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-orangepi-4a.dts @@ -95,6 +95,11 @@ &ehci1 { status =3D "okay"; }; =20 +&gpu { + mali-supply =3D <®_dcdc2>; + status =3D "okay"; +}; + &mmc0 { vmmc-supply =3D <®_cldo3>; cd-gpios =3D <&pio 5 6 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PF6 */ --=20 2.50.0