[PATCH v12 08/13] arm64: dts: bcm2712: Add external clock for RP1 chipset on Rpi5

Andrea della Porta posted 13 patches 6 months, 3 weeks ago
[PATCH v12 08/13] arm64: dts: bcm2712: Add external clock for RP1 chipset on Rpi5
Posted by Andrea della Porta 6 months, 3 weeks ago
The RP1 found on Raspberry Pi 5 board needs an external crystal at 50MHz.
Add clk_rp1_xosc node to provide that.

Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
---
 arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
index fbc56309660f..1850a575e708 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
@@ -16,6 +16,13 @@ chosen: chosen {
 		stdout-path = "serial10:115200n8";
 	};
 
+	clk_rp1_xosc: clock-50000000 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-output-names = "rp1-xosc";
+		clock-frequency = <50000000>;
+	};
+
 	/* Will be filled by the bootloader */
 	memory@0 {
 		device_type = "memory";
-- 
2.35.3
Re: [PATCH v12 08/13] arm64: dts: bcm2712: Add external clock for RP1 chipset on Rpi5
Posted by Florian Fainelli 6 months, 2 weeks ago
From: Florian Fainelli <f.fainelli@gmail.com>

On Thu, 29 May 2025 15:50:45 +0200, Andrea della Porta <andrea.porta@suse.com> wrote:
> The RP1 found on Raspberry Pi 5 board needs an external crystal at 50MHz.
> Add clk_rp1_xosc node to provide that.
> 
> Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
> ---

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