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Thu, 8 Oct 2026 10:05:02 +0200 From: To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , Alexandre Torgue CC: , , , , Subject: [PATCH] arm64: dts: st: add RCC support for STM32MP21 Date: Thu, 8 Oct 2026 10:04:37 +0200 Message-ID: <20261008080437.20270-1-gabriel.fernandez@foss.st.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: STKCAS1NODE1.st.com (10.75.128.134) To STKDAG1NODE2.st.com (10.75.128.133) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU2PEPF00028D09:EE_|PA1PR10MB8812:EE_ X-MS-Office365-Filtering-Correlation-Id: 71edf1c9-db3b-4b63-fe4f-08df2512dbc1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|82310400026|1800799024|376014|23010399003|18002099003|10067099003|11063799006|56012099006; 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Signed-off-by: Gabriel Fernandez --- arch/arm64/boot/dts/st/stm32mp211.dtsi | 95 ++++++++++++++++++++++---- 1 file changed, 82 insertions(+), 13 deletions(-) diff --git a/arch/arm64/boot/dts/st/stm32mp211.dtsi b/arch/arm64/boot/dts/st/stm32mp211.dtsi index 4bfd58b26b51..599fe7aaa414 100644 --- a/arch/arm64/boot/dts/st/stm32mp211.dtsi +++ b/arch/arm64/boot/dts/st/stm32mp211.dtsi @@ -3,7 +3,9 @@ * Copyright (C) STMicroelectronics 2025 - All Rights Reserved * Author: Alexandre Torgue for STMicroelectronics. */ +#include #include +#include / { #address-cells = <2>; @@ -34,18 +36,6 @@ arm_wdt: watchdog { status = "disabled"; }; - ck_flexgen_08: clock-64000000 { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <64000000>; - }; - - ck_flexgen_51: clock-200000000 { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <200000000>; - }; - firmware { optee { compatible = "linaro,optee-tz"; @@ -106,7 +96,7 @@ usart2: serial@400e0000 { compatible = "st,stm32h7-uart"; reg = <0x400e0000 0x0 0x400>; interrupts = ; - clocks = <&ck_flexgen_08>; + clocks = <&rcc CK_KER_USART2>; access-controllers = <&rifsc 32>; status = "disabled"; }; @@ -128,6 +118,85 @@ package_otp@1e8 { }; }; + rcc: clock-controller@44200000 { + compatible = "st,stm32mp21-rcc"; + reg = <0x44200000 0x0 0x10000>; + #clock-cells = <1>; + #reset-cells = <1>; + clocks = + <&scmi_clk CK_SCMI_HSE>, + <&scmi_clk CK_SCMI_HSI>, + <&scmi_clk CK_SCMI_MSI>, + <&scmi_clk CK_SCMI_LSE>, + <&scmi_clk CK_SCMI_LSI>, + <&scmi_clk CK_SCMI_HSE_DIV2>, + <&scmi_clk CK_SCMI_ICN_HS_MCU>, + <&scmi_clk CK_SCMI_ICN_LS_MCU>, + <&scmi_clk CK_SCMI_ICN_SDMMC>, + <&scmi_clk CK_SCMI_ICN_DDR>, + <&scmi_clk CK_SCMI_ICN_DISPLAY>, + <&scmi_clk CK_SCMI_ICN_HSL>, + <&scmi_clk CK_SCMI_ICN_NIC>, + <&scmi_clk CK_SCMI_FLEXGEN_07>, + <&scmi_clk CK_SCMI_FLEXGEN_08>, + <&scmi_clk CK_SCMI_FLEXGEN_09>, + <&scmi_clk CK_SCMI_FLEXGEN_10>, + <&scmi_clk CK_SCMI_FLEXGEN_11>, + <&scmi_clk CK_SCMI_FLEXGEN_12>, + <&scmi_clk CK_SCMI_FLEXGEN_13>, + <&scmi_clk CK_SCMI_FLEXGEN_14>, + <&scmi_clk CK_SCMI_FLEXGEN_16>, + <&scmi_clk CK_SCMI_FLEXGEN_17>, + <&scmi_clk CK_SCMI_FLEXGEN_18>, + <&scmi_clk CK_SCMI_FLEXGEN_19>, + <&scmi_clk CK_SCMI_FLEXGEN_20>, + <&scmi_clk CK_SCMI_FLEXGEN_21>, + <&scmi_clk CK_SCMI_FLEXGEN_22>, + <&scmi_clk CK_SCMI_FLEXGEN_23>, + <&scmi_clk CK_SCMI_FLEXGEN_24>, + <&scmi_clk CK_SCMI_FLEXGEN_25>, + <&scmi_clk CK_SCMI_FLEXGEN_26>, + <&scmi_clk CK_SCMI_FLEXGEN_27>, + <&scmi_clk CK_SCMI_FLEXGEN_29>, + <&scmi_clk CK_SCMI_FLEXGEN_30>, + <&scmi_clk CK_SCMI_FLEXGEN_31>, + <&scmi_clk CK_SCMI_FLEXGEN_33>, + <&scmi_clk CK_SCMI_FLEXGEN_36>, + <&scmi_clk CK_SCMI_FLEXGEN_37>, + <&scmi_clk CK_SCMI_FLEXGEN_38>, + <&scmi_clk CK_SCMI_FLEXGEN_39>, + <&scmi_clk CK_SCMI_FLEXGEN_40>, + <&scmi_clk CK_SCMI_FLEXGEN_41>, + <&scmi_clk CK_SCMI_FLEXGEN_42>, + <&scmi_clk CK_SCMI_FLEXGEN_43>, + <&scmi_clk CK_SCMI_FLEXGEN_44>, + <&scmi_clk CK_SCMI_FLEXGEN_45>, + <&scmi_clk CK_SCMI_FLEXGEN_46>, + <&scmi_clk CK_SCMI_FLEXGEN_47>, + <&scmi_clk CK_SCMI_FLEXGEN_48>, + <&scmi_clk CK_SCMI_FLEXGEN_50>, + <&scmi_clk CK_SCMI_FLEXGEN_51>, + <&scmi_clk CK_SCMI_FLEXGEN_52>, + <&scmi_clk CK_SCMI_FLEXGEN_53>, + <&scmi_clk CK_SCMI_FLEXGEN_54>, + <&scmi_clk CK_SCMI_FLEXGEN_55>, + <&scmi_clk CK_SCMI_FLEXGEN_56>, + <&scmi_clk CK_SCMI_FLEXGEN_57>, + <&scmi_clk CK_SCMI_FLEXGEN_58>, + <&scmi_clk CK_SCMI_FLEXGEN_61>, + <&scmi_clk CK_SCMI_FLEXGEN_62>, + <&scmi_clk CK_SCMI_FLEXGEN_63>, + <&scmi_clk CK_SCMI_ICN_APB1>, + <&scmi_clk CK_SCMI_ICN_APB2>, + <&scmi_clk CK_SCMI_ICN_APB3>, + <&scmi_clk CK_SCMI_ICN_APB4>, + <&scmi_clk CK_SCMI_ICN_APB5>, + <&scmi_clk CK_SCMI_ICN_APBDBG>, + <&scmi_clk CK_SCMI_TIMG1>, + <&scmi_clk CK_SCMI_TIMG2>; + access-controllers = <&rifsc 156>; + }; + syscfg: syscon@44230000 { compatible = "st,stm32mp21-syscfg", "syscon"; reg = <0x44230000 0x0 0x10000>; base-commit: f831584128ac2a36fb4fa62fe106793d08c2dbf1 -- 2.43.0