linux-kernel - [PATCH v9 -next 10/12] arm64: dts: broadcom: Add overlay for RP1 device

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Message-ID: <4bd8dbb374f15a01e3b3ea27f9e802cd702c1bab.1745347417.git.andrea.porta@suse.com>
Date: Tue, 22 Apr 2025 20:53:19 +0200
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-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>,
	Phil Elwell <phil@...pberrypi.com>,
	Dave Stevenson <dave.stevenson@...pberrypi.com>,
	kernel-list@...pberrypi.com,
	Matthias Brugger <mbrugger@...e.com>
Subject: [PATCH v9 -next 10/12] arm64: dts: broadcom: Add overlay for RP1 device

Define the RP1 node in an overlay. The inclusion tree is
as follow (the arrow points to the includer):

                      rp1.dtso
                          ^
                          |
rp1-common.dtsi ----> rp1-nexus.dtsi

Signed-off-by: Andrea della Porta <andrea.porta@...e.com>
---
 arch/arm64/boot/dts/broadcom/Makefile |  3 ++-
 arch/arm64/boot/dts/broadcom/rp1.dtso | 11 +++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm64/boot/dts/broadcom/rp1.dtso

diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile
index 09563c41ea6b..2c6a717040b8 100644
--- a/arch/arm64/boot/dts/broadcom/Makefile
+++ b/arch/arm64/boot/dts/broadcom/Makefile
@@ -13,7 +13,8 @@ dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-400.dtb \
 			      bcm2837-rpi-3-b.dtb \
 			      bcm2837-rpi-3-b-plus.dtb \
 			      bcm2837-rpi-cm3-io3.dtb \
-			      bcm2837-rpi-zero-2-w.dtb
+			      bcm2837-rpi-zero-2-w.dtb \
+			      rp1.dtbo
 
 subdir-y	+= bcmbca
 subdir-y	+= northstar2
diff --git a/arch/arm64/boot/dts/broadcom/rp1.dtso b/arch/arm64/boot/dts/broadcom/rp1.dtso
new file mode 100644
index 000000000000..ab4f146d22c0
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/rp1.dtso
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+/dts-v1/;
+/plugin/;
+
+&pcie2 {
+	#address-cells = <3>;
+	#size-cells = <2>;
+
+	#include "rp1-nexus.dtsi"
+};
-- 
2.35.3