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>;
			};
		};

		sdmmc1: sdmmc@52007000 {
			compatible = "st,stm32-sdmmc2";
			reg = <0x52007000 0x1000>;
			interrupts = <49>;
			clocks = <&rcc SDMMC1_CK>;
			resets = <&rcc STM32H7_AHB3_RESET(SDMMC1)>;
			st,idma = <1>;
			cap-sd-highspeed;
			cap-mmc-highspeed;
		};
	};
};

&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;
};

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

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

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

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

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

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

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

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

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

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

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

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

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

&pinctrl {
	fmc_pins: fmc@0 {
		  pins {
			  pinmux = <STM32H7_PD0_FUNC_FMC_D2_FMC_DA2>,
				  <STM32H7_PD1_FUNC_FMC_D3_FMC_DA3>,
				  <STM32H7_PD8_FUNC_FMC_D13_FMC_DA13>,
				  <STM32H7_PD9_FUNC_FMC_D14_FMC_DA14>,
				  <STM32H7_PD10_FUNC_FMC_D15_FMC_DA15>,
				  <STM32H7_PD14_FUNC_FMC_D0_FMC_DA0>,
				  <STM32H7_PD15_FUNC_FMC_D1_FMC_DA1>,

				  <STM32H7_PE0_FUNC_FMC_NBL0>,
				  <STM32H7_PE1_FUNC_FMC_NBL1>,
				  <STM32H7_PE7_FUNC_FMC_D4_FMC_DA4>,
				  <STM32H7_PE8_FUNC_FMC_D5_FMC_DA5>,
				  <STM32H7_PE9_FUNC_FMC_D6_FMC_DA6>,
				  <STM32H7_PE10_FUNC_FMC_D7_FMC_DA7>,
				  <STM32H7_PE11_FUNC_FMC_D8_FMC_DA8>,
				  <STM32H7_PE12_FUNC_FMC_D9_FMC_DA9>,
				  <STM32H7_PE13_FUNC_FMC_D10_FMC_DA10>,
				  <STM32H7_PE14_FUNC_FMC_D11_FMC_DA11>,
				  <STM32H7_PE15_FUNC_FMC_D12_FMC_DA12>,

				  <STM32H7_PF0_FUNC_FMC_A0>,
				  <STM32H7_PF1_FUNC_FMC_A1>,
				  <STM32H7_PF2_FUNC_FMC_A2>,
				  <STM32H7_PF3_FUNC_FMC_A3>,
				  <STM32H7_PF4_FUNC_FMC_A4>,
				  <STM32H7_PF5_FUNC_FMC_A5>,
				  <STM32H7_PF11_FUNC_FMC_SDNRAS>,
				  <STM32H7_PF12_FUNC_FMC_A6>,
				  <STM32H7_PF13_FUNC_FMC_A7>,
				  <STM32H7_PF14_FUNC_FMC_A8>,
				  <STM32H7_PF15_FUNC_FMC_A9>,

				  <STM32H7_PG0_FUNC_FMC_A10>,
				  <STM32H7_PG1_FUNC_FMC_A11>,
				  <STM32H7_PG2_FUNC_FMC_A12>,
				  <STM32H7_PG4_FUNC_FMC_A14_FMC_BA0>,
				  <STM32H7_PG5_FUNC_FMC_A15_FMC_BA1>,
				  <STM32H7_PG8_FUNC_FMC_SDCLK>,
				  <STM32H7_PG15_FUNC_FMC_SDNCAS>,

				  <STM32H7_PH5_FUNC_FMC_SDNWE>,
				  <STM32H7_PH6_FUNC_FMC_SDNE1>,
				  <STM32H7_PH7_FUNC_FMC_SDCKE1>,
				  <STM32H7_PH8_FUNC_FMC_D16>,
				  <STM32H7_PH9_FUNC_FMC_D17>,
				  <STM32H7_PH10_FUNC_FMC_D18>,
				  <STM32H7_PH11_FUNC_FMC_D19>,
				  <STM32H7_PH12_FUNC_FMC_D20>,
				  <STM32H7_PH13_FUNC_FMC_D21>,
				  <STM32H7_PH14_FUNC_FMC_D22>,
				  <STM32H7_PH15_FUNC_FMC_D23>,

				  <STM32H7_PI0_FUNC_FMC_D24>,
				  <STM32H7_PI1_FUNC_FMC_D25>,
				  <STM32H7_PI2_FUNC_FMC_D26>,
				  <STM32H7_PI3_FUNC_FMC_D27>,
				  <STM32H7_PI4_FUNC_FMC_NBL2>,
				  <STM32H7_PI5_FUNC_FMC_NBL3>,
				  <STM32H7_PI6_FUNC_FMC_D28>,
				  <STM32H7_PI7_FUNC_FMC_D29>,
				  <STM32H7_PI9_FUNC_FMC_D30>,
				  <STM32H7_PI10_FUNC_FMC_D31>;

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

	pinctrl_sdmmc1_level_shifter: sdmmc0_ls@0 {
		pins {
			pinmux = <STM32H7_PB8_FUNC_SDMMC1_CKIN>,
				 <STM32H7_PB9_FUNC_SDMMC1_CDIR>,
				 <STM32H7_PC6_FUNC_SDMMC1_D0DIR>,
				 <STM32H7_PC7_FUNC_SDMMC1_D123DIR>;
			drive-push-pull;
			slew-rate = <3>;
		};
	};

	sdmmc1_pins: sdmmc@0 {
		pins {
			pinmux = <STM32H7_PC8_FUNC_SDMMC1_D0>,
				 <STM32H7_PC9_FUNC_SDMMC1_D1>,
				 <STM32H7_PC10_FUNC_SDMMC1_D2>,
				 <STM32H7_PC11_FUNC_SDMMC1_D3>,
				 <STM32H7_PC12_FUNC_SDMMC1_CK>,
				 <STM32H7_PD2_FUNC_SDMMC1_CMD>;

			slew-rate = <3>;
			drive-push-pull;
			bias-disable;
		};
	};
};

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

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