u-boot-brain/arch/arm/dts/stm32h7-u-boot.dtsi

// SPDX-License-Identifier: GPL-2.0+

#include <dt-bindings/memory/stm32-sdram.h>

/{
	clocks {
		u-boot,dm-pre-reloc;
	};

	aliases {
		gpio0 = &gpioa;
		gpio1 = &gpiob;
		gpio2 = &gpioc;
		gpio3 = &gpiod;
		gpio4 = &gpioe;
		gpio5 = &gpiof;
		gpio6 = &gpiog;
		gpio7 = &gpioh;
		gpio8 = &gpioi;
		gpio9 = &gpioj;
		gpio10 = &gpiok;
		mmc0 = &sdmmc1;
	};

	soc {
		u-boot,dm-pre-reloc;
		pin-controller {
			u-boot,dm-pre-reloc;
		};

		fmc: fmc@52004000 {
			compatible = "st,stm32h7-fmc";
			reg = <0x52004000 0x1000>;
			clocks = <&rcc FMC_CK>;

			pinctrl-0 = <&fmc_pins>;
			pinctrl-names = "default";
			status = "okay";

			/*
			 * Memory configuration from sdram datasheet IS42S32800G-6BLI
			 * firsct bank is bank@0
			 * second bank is bank@1
			 */
			bank1: bank@1 {
				st,sdram-control = /bits/ 8 <NO_COL_9
							     NO_ROW_12
							     MWIDTH_32
							     BANKS_4
							     CAS_2
							     SDCLK_3
							     RD_BURST_EN
							     RD_PIPE_DL_0>;
				st,sdram-timing = /bits/ 8 <TMRD_1
							    TXSR_1
							    TRAS_1
							    TRC_6
							    TRP_2
							    TWR_1
							    TRCD_1>;
				st,sdram-refcount = <1539>;
			};
		};
	};
};

&clk_hse {
	u-boot,dm-pre-reloc;
};

&clk_i2s {
	u-boot,dm-pre-reloc;
};

&clk_lse {
	u-boot,dm-pre-reloc;
};


&fmc {
	u-boot,dm-pre-reloc;
};

&gpioa {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&gpiob {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&gpioc {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&gpiod {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&gpioe {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&gpiof {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&gpiog {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&gpioh {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&gpioi {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&gpioj {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&gpiok {
	u-boot,dm-pre-reloc;
	compatible = "st,stm32-gpio";
};

&pinctrl {
	fmc_pins: fmc@0 {
		pins {
			pinmux = <STM32_PINMUX('D', 0, AF12)>,
				 <STM32_PINMUX('D', 1, AF12)>,
				 <STM32_PINMUX('D', 8, AF12)>,
				 <STM32_PINMUX('D', 9, AF12)>,
				 <STM32_PINMUX('D',10, AF12)>,
				 <STM32_PINMUX('D',14, AF12)>,
				 <STM32_PINMUX('D',15, AF12)>,

				 <STM32_PINMUX('E', 0, AF12)>,
				 <STM32_PINMUX('E', 1, AF12)>,
				 <STM32_PINMUX('E', 7, AF12)>,
				 <STM32_PINMUX('E', 8, AF12)>,
				 <STM32_PINMUX('E', 9, AF12)>,
				 <STM32_PINMUX('E',10, AF12)>,
				 <STM32_PINMUX('E',11, AF12)>,
				 <STM32_PINMUX('E',12, AF12)>,
				 <STM32_PINMUX('E',13, AF12)>,
				 <STM32_PINMUX('E',14, AF12)>,
				 <STM32_PINMUX('E',15, AF12)>,

				 <STM32_PINMUX('F', 0, AF12)>,
				 <STM32_PINMUX('F', 1, AF12)>,
				 <STM32_PINMUX('F', 2, AF12)>,
				 <STM32_PINMUX('F', 3, AF12)>,
				 <STM32_PINMUX('F', 4, AF12)>,
				 <STM32_PINMUX('F', 5, AF12)>,
				 <STM32_PINMUX('F',11, AF12)>,
				 <STM32_PINMUX('F',12, AF12)>,
				 <STM32_PINMUX('F',13, AF12)>,
				 <STM32_PINMUX('F',14, AF12)>,
				 <STM32_PINMUX('F',15, AF12)>,

				 <STM32_PINMUX('G', 0, AF12)>,
				 <STM32_PINMUX('G', 1, AF12)>,
				 <STM32_PINMUX('G', 2, AF12)>,
				 <STM32_PINMUX('G', 4, AF12)>,
				 <STM32_PINMUX('G', 5, AF12)>,
				 <STM32_PINMUX('G', 8, AF12)>,
				 <STM32_PINMUX('G',15, AF12)>,

				 <STM32_PINMUX('H', 5, AF12)>,
				 <STM32_PINMUX('H', 6, AF12)>,
				 <STM32_PINMUX('H', 7, AF12)>,
				 <STM32_PINMUX('H', 8, AF12)>,
				 <STM32_PINMUX('H', 9, AF12)>,
				 <STM32_PINMUX('H',10, AF12)>,
				 <STM32_PINMUX('H',11, AF12)>,
				 <STM32_PINMUX('H',12, AF12)>,
				 <STM32_PINMUX('H',13, AF12)>,
				 <STM32_PINMUX('H',14, AF12)>,
				 <STM32_PINMUX('H',15, AF12)>,

				 <STM32_PINMUX('I', 0, AF12)>,
				 <STM32_PINMUX('I', 1, AF12)>,
				 <STM32_PINMUX('I', 2, AF12)>,
				 <STM32_PINMUX('I', 3, AF12)>,
				 <STM32_PINMUX('I', 4, AF12)>,
				 <STM32_PINMUX('I', 5, AF12)>,
				 <STM32_PINMUX('I', 6, AF12)>,
				 <STM32_PINMUX('I', 7, AF12)>,
				 <STM32_PINMUX('I', 9, AF12)>,
				 <STM32_PINMUX('I',10, AF12)>;

			slew-rate = <3>;
		};
	};
};

&pwrcfg {
	u-boot,dm-pre-reloc;
};

&rcc {
	u-boot,dm-pre-reloc;
};

&sdmmc1 {
	compatible = "st,stm32-sdmmc2", "arm,pl18x", "arm,primecell";
};