linux-kernel - [PATCH v5 09/10] arm64: dts: bcm2712: Add external clock for RP1 chipset on Rpi5

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Message-ID: <8b4dda91fae156a7f28f2807cd6d64ac2ec07dd7.1733136811.git.andrea.porta@suse.com>
Date: Mon,  2 Dec 2024 12:19:33 +0100
From: Andrea della Porta <andrea.porta@...e.com>
To: Andrea della Porta <andrea.porta@...e.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczynski <kw@...ux.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Derek Kiernan <derek.kiernan@....com>,
	Dragan Cvetic <dragan.cvetic@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Saravana Kannan <saravanak@...gle.com>,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	Masahiro Yamada <masahiroy@...nel.org>,
	Stefan Wahren <wahrenst@....net>,
	Herve Codina <herve.codina@...tlin.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Andrew Lunn <andrew@...n.ch>
Subject: [PATCH v5 09/10] arm64: dts: bcm2712: Add external clock for RP1 chipset on Rpi5

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@...e.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 2bdbb6780242..ae3c0c153cea 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