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Thu, 15 Oct 2026 11:56:30 -0700 (PDT) From: Iker Pedrosa Date: Thu, 15 Oct 2026 20:56:05 +0200 Subject: [PATCH RFC 1/2] riscv: dts: spacemit: k1: add PowerVR GPU device node Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261015-orangepi-gpu-v1-1-03566a615660@gmail.com> References: <20261015-orangepi-gpu-v1-0-03566a615660@gmail.com> In-Reply-To: <20261015-orangepi-gpu-v1-0-03566a615660@gmail.com> To: Alessio Belle , Luigi Santivetti , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: imagination@lists.freedesktop.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, Iker Pedrosa X-Mailer: b4 0.14.3 Add device tree node for the Imagination Technologies PowerVR Rogue GPU (BVNC 36.29.52.182 / BXE-2-32) found in the Spacemit K1 SoC. The GPU is located at address 0xcac00000 and uses: - CLK_GPU for core clock from APMU controller - RESET_GPU for reset control from APMU controller - K1_PMDOMAIN_GPU for power management from syscon_apmu provider - IRQ 75 for interrupt handling Disabled by default; boards enable it individually. Signed-off-by: Iker Pedrosa --- arch/riscv/boot/dts/spacemit/k1.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi index 3fabfd34114b..82cade2f76fe 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -5,6 +5,7 @@ #include #include +#include #include "k1-pdma.h" @@ -1119,6 +1120,17 @@ multimedia-bus { #size-cells = <2>; dma-ranges = <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>, <0x0 0x80000000 0x1 0x00000000 0x3 0x80000000>; + + gpu: gpu@cac00000 { + compatible = "spacemit,k1-gpu", "img,img-bxe-2-32", "img,img-rogue"; + reg = <0x0 0xcac00000 0x0 0x80000>; + interrupts = <75>; + clocks = <&syscon_apmu CLK_GPU>; + clock-names = "core"; + resets = <&syscon_apmu RESET_GPU>; + power-domains = <&syscon_apmu K1_PMDOMAIN_GPU>; + status = "disabled"; + }; }; network-bus { -- 2.56.0