[PATCH v2] arm64: dts: broadcom: bcm2712: Add V3D device node

Maíra Canal mcanal at igalia.com
Wed Jan 14 04:04:58 PST 2026


Commits 0ad5bc1ce463 ("drm/v3d: fix up register addresses for V3D 7.x")
and 6fd9487147c4 ("drm/v3d: add brcm,2712-v3d as a compatible V3D device")
added driver support for V3D on BCM2712, but the corresponding device
tree node is still missing.

Add the V3D device tree node to the BCM2712 DTS.

Signed-off-by: Maíra Canal <mcanal at igalia.com>

---
v1 -> v2:

- Rebased on top of linux-next (Stefan Wahren)
- Fixed node's address (2000000 -> 1002000000) (Stefan Wahren)
- Link to v1: https://lore.kernel.org/linux-devicetree/20260113192902.48046-2-mcanal@igalia.com/
---
 .../boot/dts/broadcom/bcm2712-rpi-5-b-base.dtsi    |  4 ++++
 arch/arm64/boot/dts/broadcom/bcm2712.dtsi          | 14 ++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b-base.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b-base.dtsi
index 7d4742ebe247..97522c6803c5 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b-base.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b-base.dtsi
@@ -247,3 +247,7 @@ &pcie1 {
 &pcie2 {
 	status = "okay";
 };
+
+&v3d {
+	clocks = <&firmware_clocks 5>;
+};
diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
index 330a121ebfcb..661668ef7419 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/soc/bcm2835-pm.h>
 
 / {
 	compatible = "brcm,bcm2712";
@@ -642,6 +643,19 @@ mip1: msi-controller at 1000131000 {
 			msi-ranges = <&gicv2 GIC_SPI 247 IRQ_TYPE_EDGE_RISING 8>;
 			brcm,msi-offset = <8>;
 		};
+
+		v3d: gpu at 1002000000 {
+			compatible = "brcm,2712-v3d";
+			reg = <0x10 0x02000000 0x00 0x4000>,
+			      <0x10 0x02008000 0x00 0x6000>,
+			      <0x10 0x02030800 0x00 0x0700>;
+			reg-names = "hub", "core0", "sms";
+
+			power-domains = <&pm BCM2835_POWER_DOMAIN_GRAFX_V3D>;
+			resets = <&pm BCM2835_RESET_V3D>;
+			interrupts = <GIC_SPI 250 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>;
+		};
 	};
 
 	vc4: gpu {
-- 
2.52.0




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