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* [PATCH v3] arm64: dts: broadcom: bcm2712: adjust display status
@ 2026-08-01 16:54 Peter Robinson
  2026-08-03 19:48 ` Florian Fainelli
  0 siblings, 1 reply; 2+ messages in thread
From: Peter Robinson @ 2026-08-01 16:54 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Conor Dooley,
	Broadcom internal kernel review list, Stefan Wahren, Phil Elwell,
	devicetree, linux-rpi-kernel, linux-arm-kernel, Florian Fainelli,
	Dave Stevenson, Andrea della Porta
  Cc: Peter Robinson

Typically non critical IP in a SoC are disabled by
default in the SoC .dtsi and enabled on board specific
configs. There are usecases, such as some CM5 carrier
boards, where display output may not be desired or
connected. So disable them on the SoC .dtsi and enable
them on the RPi5 board.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Cc: Florian Fainelli <florian.fainelli@broadcom.com>
Cc: Dave Stevenson <dave.stevenson@raspberrypi.com>
Cc: Andrea della Porta <andrea.porta@suse.com>
Fixes: 25d77bdd7df2 ("arm64: dts: broadcom: Add display pipeline support to BCM2712")
---

v2: rebase to align with upstream changes
v3: re-add missed vc4 okay status

 .../dts/broadcom/bcm2712-rpi-5-b-base.dtsi    | 35 +++++++++++++++++++
 arch/arm64/boot/dts/broadcom/bcm2712.dtsi     | 11 ++++++
 2 files changed, 46 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 b7a6bc34ae1ab..d998bfae91acb 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
@@ -104,6 +104,18 @@ wl_on_reg: wl-on-reg {
 	};
 };
 
+&ddc0 {
+	status = "okay";
+};
+
+&ddc1 {
+	status = "okay";
+};
+
+&disp_intr {
+	status = "okay";
+};
+
 &pinctrl {
 	bt_shutdown_default: bt-shutdown-default-state {
 		function = "gpio";
@@ -230,16 +242,27 @@ bluetooth: bluetooth {
 &hvs {
 	clocks = <&firmware_clocks 4>, <&firmware_clocks 16>;
 	clock-names = "core", "disp";
+	status = "okay";
 };
 
 &hdmi0 {
 	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 0>, <&clk_27MHz>;
 	clock-names = "hdmi", "bvb", "audio", "cec";
+	status = "okay";
 };
 
 &hdmi1 {
 	clocks = <&firmware_clocks 13>, <&firmware_clocks 14>, <&dvp 1>, <&clk_27MHz>;
 	clock-names = "hdmi", "bvb", "audio", "cec";
+	status = "okay";
+};
+
+&mop {
+	status = "okay";
+};
+
+&moplet {
+	status = "okay";
 };
 
 &pcie1 {
@@ -250,6 +273,18 @@ &pcie2 {
 	status = "okay";
 };
 
+&pixelvalve0 {
+	status = "okay";
+};
+
+&pixelvalve1 {
+	status = "okay";
+};
+
 &v3d {
 	clocks = <&firmware_clocks 5>;
 };
+
+&vc4 {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
index 761c59d90ffc9..9b36ecd7bba54 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
+++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
@@ -359,12 +359,14 @@ pixelvalve0: pixelvalve@7c410000 {
 			compatible = "brcm,bcm2712-pixelvalve0";
 			reg = <0x7c410000 0x100>;
 			interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
 		};
 
 		pixelvalve1: pixelvalve@7c411000 {
 			compatible = "brcm,bcm2712-pixelvalve1";
 			reg = <0x7c411000 0x100>;
 			interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
 		};
 
 		mop: mop@7c500000 {
@@ -372,6 +374,7 @@ mop: mop@7c500000 {
 			reg = <0x7c500000 0x28>;
 			interrupt-parent = <&disp_intr>;
 			interrupts = <1>;
+			status = "disabled";
 		};
 
 		moplet: moplet@7c501000 {
@@ -379,6 +382,7 @@ moplet: moplet@7c501000 {
 			reg = <0x7c501000 0x20>;
 			interrupt-parent = <&disp_intr>;
 			interrupts = <0>;
+			status = "disabled";
 		};
 
 		disp_intr: interrupt-controller@7c502000 {
@@ -387,6 +391,7 @@ disp_intr: interrupt-controller@7c502000 {
 			interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
 			interrupt-controller;
 			#interrupt-cells = <1>;
+			status = "disabled";
 		};
 
 		dvp: clock@7c700000 {
@@ -405,6 +410,7 @@ ddc0: i2c@7d508200 {
 			clock-frequency = <97500>;
 			#address-cells = <1>;
 			#size-cells = <0>;
+			status = "disabled";
 		};
 
 		ddc1: i2c@7d508280 {
@@ -415,6 +421,7 @@ ddc1: i2c@7d508280 {
 			clock-frequency = <97500>;
 			#address-cells = <1>;
 			#size-cells = <0>;
+			status = "disabled";
 		};
 
 		bsc_irq: interrupt-controller@7d508380 {
@@ -460,6 +467,7 @@ hdmi0: hdmi@7c701400 {
 			interrupt-names = "cec-tx", "cec-rx", "cec-low",
 					  "hpd-connected", "hpd-removed";
 			ddc = <&ddc0>;
+			status = "disabled";
 		};
 
 		hdmi1: hdmi@7c706400 {
@@ -489,6 +497,7 @@ hdmi1: hdmi@7c706400 {
 			interrupt-names = "cec-tx", "cec-rx", "cec-low",
 					  "hpd-connected", "hpd-removed";
 			ddc = <&ddc1>;
+			status = "disabled";
 		};
 	};
 
@@ -667,6 +676,7 @@ v3d: gpu@1002000000 {
 
 	vc4: gpu {
 		compatible = "brcm,bcm2712-vc6";
+		status = "disabled";
 	};
 
 	timer {
@@ -703,5 +713,6 @@ hvs: hvs@107c580000 {
 		interrupt-parent = <&disp_intr>;
 		interrupts = <2>, <9>, <16>;
 		interrupt-names = "ch0-eof", "ch1-eof", "ch2-eof";
+		status = "disabled";
 	};
 };
-- 
2.55.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH v3] arm64: dts: broadcom: bcm2712: adjust display status
  2026-08-01 16:54 [PATCH v3] arm64: dts: broadcom: bcm2712: adjust display status Peter Robinson
@ 2026-08-03 19:48 ` Florian Fainelli
  0 siblings, 0 replies; 2+ messages in thread
From: Florian Fainelli @ 2026-08-03 19:48 UTC (permalink / raw)
  To: bcm-kernel-feedback-list, Peter Robinson, Rob Herring,
	Krzysztof Kozlowski, Conor Dooley, Stefan Wahren, Phil Elwell,
	devicetree, linux-rpi-kernel, linux-arm-kernel, Florian Fainelli,
	Dave Stevenson, Andrea della Porta
  Cc: Florian Fainelli

From: Florian Fainelli <f.fainelli@gmail.com>

On Sat,  1 Aug 2026 17:54:26 +0100, Peter Robinson <pbrobinson@gmail.com> wrote:
> Typically non critical IP in a SoC are disabled by
> default in the SoC .dtsi and enabled on board specific
> configs. There are usecases, such as some CM5 carrier
> boards, where display output may not be desired or
> connected. So disable them on the SoC .dtsi and enable
> them on the RPi5 board.
> 
> Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
> Cc: Florian Fainelli <florian.fainelli@broadcom.com>
> Cc: Dave Stevenson <dave.stevenson@raspberrypi.com>
> Cc: Andrea della Porta <andrea.porta@suse.com>
> Fixes: 25d77bdd7df2 ("arm64: dts: broadcom: Add display pipeline support to BCM2712")
> ---

Applied to https://github.com/Broadcom/stblinux/commits/devicetree-arm64/next, thanks!
--
Florian

^ permalink raw reply	[flat|nested] 2+ messages in thread

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