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Mon, 22 Jan 2024 14:06:21 +0000 From: Ghennadi Procopciuc To: Chester Lin , Andreas Farber , Matthias Brugger , Shawn Guo , Sascha Hauer , Fabio Estevam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd , ghennadi.procopciuc@oss.nxp.com Cc: NXP S32 Linux Team , Pengutronix Kernel Team , NXP Linux Team , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Ghennadi Procopciuc , Catalin Udma Subject: [PATCH v2 1/2] arm64: dts: s32g: add SCMI firmware node Date: Mon, 22 Jan 2024 16:06:00 +0200 Message-ID: <20240122140602.1006813-2-ghennadi.procopciuc@oss.nxp.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122140602.1006813-1-ghennadi.procopciuc@oss.nxp.com> References: <20240122140602.1006813-1-ghennadi.procopciuc@oss.nxp.com> X-ClientProxiedBy: VI1PR07CA0294.eurprd07.prod.outlook.com (2603:10a6:800:130::22) To DU2PR04MB8582.eurprd04.prod.outlook.com (2603:10a6:10:2d9::24) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU2PR04MB8582:EE_|AM9PR04MB7635:EE_ X-MS-Office365-Filtering-Correlation-Id: 5575c1b6-bbb9-4f20-9f4b-08dc1b534f5b X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Therefore, add the SCMI device tree node and the reserved region for SCMI messages. Signed-off-by: Catalin Udma Signed-off-by: Ghennadi Procopciuc --- arch/arm64/boot/dts/freescale/s32g2.dtsi | 27 +++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/s32g2.dtsi b/arch/arm64/boot/dts/freescale/s32g2.dtsi index 5ac1cc9ff50e..ef1a1d61f2ba 100644 --- a/arch/arm64/boot/dts/freescale/s32g2.dtsi +++ b/arch/arm64/boot/dts/freescale/s32g2.dtsi @@ -3,7 +3,7 @@ * NXP S32G2 SoC family * * Copyright (c) 2021 SUSE LLC - * Copyright (c) 2017-2021 NXP + * Copyright 2017-2021, 2024 NXP */ #include @@ -14,6 +14,18 @@ / { #address-cells = <2>; #size-cells = <2>; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + scmi_buf: shm@d0000000 { + compatible = "arm,scmi-shmem"; + reg = <0x0 0xd0000000 0x0 0x80>; + no-map; + }; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -77,6 +89,19 @@ timer { }; firmware { + scmi { + compatible = "arm,scmi-smc"; + arm,smc-id = <0xc20000fe>; + #address-cells = <1>; + #size-cells = <0>; + shmem = <&scmi_buf>; + + clks: protocol@14 { + reg = <0x14>; + #clock-cells = <1>; + }; + }; + psci { compatible = "arm,psci-1.0"; method = "smc";