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[87.21.228.106]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ada5e2bf05csm122528066b.113.2025.05.29.04.22.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 May 2025 04:22:22 -0700 (PDT) From: Andrea della Porta To: Andrea della Porta , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Lorenzo Pieralisi , Krzysztof Wilczynski , Manivannan Sadhasivam , Bjorn Helgaas , Linus Walleij , Catalin Marinas , Will Deacon , Bartosz Golaszewski , Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Greg Kroah-Hartman , Saravana Kannan , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, Masahiro Yamada , Stefan Wahren , Herve Codina , Luca Ceresoli , Thomas Petazzoni , Andrew Lunn , Phil Elwell , Dave Stevenson , kernel-list@raspberrypi.com, Matthias Brugger Subject: [PATCH v10 06/13] arm64: dts: rp1: Add support for RaspberryPi's RP1 device Date: Thu, 29 May 2025 13:23:41 +0200 Message-ID: <20250529112357.24182-1-andrea.porta@suse.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit RaspberryPi RP1 is a multi function PCI endpoint device that exposes several subperipherals via PCI BAR. Add a dtb overlay that will be compiled into a binary blob and linked in the RP1 driver. This overlay offers just minimal support to represent the RP1 device itself, the sub-peripherals will be added by future patches. Signed-off-by: Andrea della Porta Reviewed-by: Florian Fainelli --- arch/arm64/boot/dts/broadcom/rp1-common.dtsi | 42 ++++++++++++++++++++ arch/arm64/boot/dts/broadcom/rp1-nexus.dtsi | 14 +++++++ 2 files changed, 56 insertions(+) create mode 100644 arch/arm64/boot/dts/broadcom/rp1-common.dtsi create mode 100644 arch/arm64/boot/dts/broadcom/rp1-nexus.dtsi diff --git a/arch/arm64/boot/dts/broadcom/rp1-common.dtsi b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi new file mode 100644 index 000000000000..5002a375eb0b --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/rp1-common.dtsi @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) + +#include +#include +#include + +pci_ep_bus: pci-ep-bus@1 { + compatible = "simple-bus"; + ranges = <0x00 0x40000000 0x01 0x00 0x00000000 0x00 0x00400000>; + dma-ranges = <0x10 0x00000000 0x43000000 0x10 0x00000000 0x10 0x00000000>; + #address-cells = <2>; + #size-cells = <2>; + + rp1_clocks: clocks@40018000 { + compatible = "raspberrypi,rp1-clocks"; + reg = <0x00 0x40018000 0x0 0x10038>; + #clock-cells = <1>; + clocks = <&clk_rp1_xosc>; + assigned-clocks = <&rp1_clocks RP1_PLL_SYS_CORE>, + <&rp1_clocks RP1_PLL_SYS>, + <&rp1_clocks RP1_PLL_SYS_SEC>, + <&rp1_clocks RP1_CLK_SYS>; + assigned-clock-rates = <1000000000>, // RP1_PLL_SYS_CORE + <200000000>, // RP1_PLL_SYS + <125000000>, // RP1_PLL_SYS_SEC + <200000000>; // RP1_CLK_SYS + }; + + rp1_gpio: pinctrl@400d0000 { + compatible = "raspberrypi,rp1-gpio"; + reg = <0x00 0x400d0000 0x0 0xc000>, + <0x00 0x400e0000 0x0 0xc000>, + <0x00 0x400f0000 0x0 0xc000>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>, + <1 IRQ_TYPE_LEVEL_HIGH>, + <2 IRQ_TYPE_LEVEL_HIGH>; + }; +}; diff --git a/arch/arm64/boot/dts/broadcom/rp1-nexus.dtsi b/arch/arm64/boot/dts/broadcom/rp1-nexus.dtsi new file mode 100644 index 000000000000..0ef30d7f1c35 --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/rp1-nexus.dtsi @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MIT) + +rp1_nexus { + compatible = "pci1de4,1"; + #address-cells = <3>; + #size-cells = <2>; + ranges = <0x01 0x00 0x00000000 + 0x02000000 0x00 0x00000000 + 0x0 0x400000>; + interrupt-controller; + #interrupt-cells = <2>; + + #include "rp1-common.dtsi" +}; -- 2.35.3