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Tue, 28 Jan 2025 13:09:42 +0100 (CET) Received: from localhost (10.129.178.212) by SHFDAG1NODE3.st.com (10.75.129.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Tue, 28 Jan 2025 13:09:42 +0100 From: Christian Bruel To: , , , , , , , , , , , , , , CC: , , , , , Subject: [PATCH v4 08/10] arm64: dts: st: Add PCIe Rootcomplex mode on stm32mp251 Date: Tue, 28 Jan 2025 13:07:43 +0100 Message-ID: <20250128120745.334377-9-christian.bruel@foss.st.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250128120745.334377-1-christian.bruel@foss.st.com> References: <20250128120745.334377-1-christian.bruel@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.129.178.212] X-ClientProxiedBy: EQNCAS1NODE4.st.com (10.75.129.82) To SHFDAG1NODE3.st.com (10.75.129.71) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-01-28_04,2025-01-27_01,2024-11-22_01 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250128_041253_175134_BB49E16E X-CRM114-Status: GOOD ( 11.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add pcie_rc node to support STM32 MP25 PCIe driver based on the DesignWare PCIe core configured as Rootcomplex mode Supports Gen1/Gen2, single lane, MSI interrupts using the ARM GICv2m Signed-off-by: Christian Bruel --- arch/arm64/boot/dts/st/stm32mp251.dtsi | 44 +++++++++++++++++++++++++- 1 file changed, 43 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi index f3c6cdfd7008..6cd1a765fac9 100644 --- a/arch/arm64/boot/dts/st/stm32mp251.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi @@ -117,12 +117,20 @@ scmi_vdda18adc: regulator@7 { intc: interrupt-controller@4ac00000 { compatible = "arm,cortex-a7-gic"; #interrupt-cells = <3>; - #address-cells = <1>; + #address-cells = <2>; + #size-cells = <2>; interrupt-controller; reg = <0x0 0x4ac10000 0x0 0x1000>, <0x0 0x4ac20000 0x0 0x2000>, <0x0 0x4ac40000 0x0 0x2000>, <0x0 0x4ac60000 0x0 0x2000>; + ranges; + + v2m0: v2m@48090000 { + compatible = "arm,gic-v2m-frame"; + reg = <0x0 0x48090000 0x0 0x1000>; + msi-controller; + }; }; psci { @@ -900,6 +908,40 @@ stmmac_axi_config_1: stmmac-axi-config { snps,wr_osr_lmt = <0x7>; }; }; + + pcie_rc: pcie@48400000 { + compatible = "st,stm32mp25-pcie-rc"; + device_type = "pci"; + reg = <0x48400000 0x400000>, + <0x10000000 0x10000>; + reg-names = "dbi", "config"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &intc 0 0 GIC_SPI 264 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 2 &intc 0 0 GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 3 &intc 0 0 GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 4 &intc 0 0 GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>; + #address-cells = <3>; + #size-cells = <2>; + ranges = <0x01000000 0x0 0x00000000 0x10010000 0x0 0x10000>, + <0x02000000 0x0 0x10020000 0x10020000 0x0 0x7fe0000>, + <0x42000000 0x0 0x18000000 0x18000000 0x0 0x8000000>; + dma-ranges = <0x42000000 0x0 0x80000000 0x80000000 0x0 0x80000000>; + clocks = <&rcc CK_BUS_PCIE>; + resets = <&rcc PCIE_R>; + msi-parent = <&v2m0>; + access-controllers = <&rifsc 68>; + status = "disabled"; + + pcie@0,0 { + device_type = "pci"; + reg = <0x0 0x0 0x0 0x0 0x0>; + phys = <&combophy PHY_TYPE_PCIE>; + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; + }; }; bsec: efuse@44000000 {