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