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[87.5.95.99]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ade1dc38cffsm246524966b.124.2025.06.07.02.37.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Jun 2025 02:37:43 -0700 (PDT) From: Dario Binacchi To: u-boot@lists.denx.de Cc: linux-amarula@amarulasolutions.com, Dario Binacchi , Dillon Min , Patrice Chotard , Patrick Delaunay , Tom Rini , uboot-stm32@st-md-mailman.stormreply.com Subject: [PATCH 8/9] ARM: dts: stm32: add stm32h747i-disco-u-boot DTS file Date: Sat, 7 Jun 2025 11:37:16 +0200 Message-ID: <20250607093730.2249536-9-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250607093730.2249536-1-dario.binacchi@amarulasolutions.com> References: <20250607093730.2249536-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 X-Original-Sender: dario.binacchi@amarulasolutions.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@amarulasolutions.com header.s=google header.b=Fzt8emn8; spf=pass (google.com: domain of dario.binacchi@amarulasolutions.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=dario.binacchi@amarulasolutions.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=amarulasolutions.com; dara=pass header.i=@amarulasolutions.com Content-Type: text/plain; charset="UTF-8" Precedence: list Mailing-list: list linux-amarula@amarulasolutions.com; contact linux-amarula+owners@amarulasolutions.com List-ID: X-Spam-Checked-In-Group: linux-amarula@amarulasolutions.com X-Google-Group-Id: 476853432473 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Add stm32h747i-disco-u-boot DTS file with FMC SDRAM node and its pinmux settings. Signed-off-by: Dario Binacchi Reviewed-by: Patrice Chotard --- arch/arm/dts/stm32h747i-disco-u-boot.dtsi | 104 ++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 arch/arm/dts/stm32h747i-disco-u-boot.dtsi diff --git a/arch/arm/dts/stm32h747i-disco-u-boot.dtsi b/arch/arm/dts/stm32h747i-disco-u-boot.dtsi new file mode 100644 index 000000000000..ff297cc91fa8 --- /dev/null +++ b/arch/arm/dts/stm32h747i-disco-u-boot.dtsi @@ -0,0 +1,104 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2025 Amarula Solutions, Dario Binacchi + */ + +#include + +&fmc { + + /* + * Memory configuration from sdram datasheet IS42S32800G-6BLI + * first bank is bank@0 + * second bank is bank@1 + */ + bank1: bank@1 { + st,sdram-control = /bits/ 8 ; + st,sdram-timing = /bits/ 8 ; + st,sdram-refcount = <1539>; + }; +}; + +&pinctrl { + fmc_pins: fmc@0 { + pins { + pinmux = , + , + , + , + , + , + , + + , + , + , + , + , + , + , + , + , + , + , + + , + , + , + , + , + , + , + , + , + , + , + + , + , + , + , + , + , + , + + , + , + , + , + , + , + , + , + , + , + , + + , + , + , + , + , + , + , + , + , + ; + + slew-rate = <3>; + }; + }; +};