u-boot/arch/arm/dts/stm32f469-disco-u-boot.dtsi

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
 * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics.
 */

#include <dt-bindings/memory/stm32-sdram.h>
/{
	clocks {
		u-boot,dm-pre-reloc;
	};

	aliases {
		/* Aliases for gpios so as to use sequence */
		gpio0 = &gpioa;
		gpio1 = &gpiob;
		gpio2 = &gpioc;
		gpio3 = &gpiod;
		gpio4 = &gpioe;
		gpio5 = &gpiof;
		gpio6 = &gpiog;
		gpio7 = &gpioh;
		gpio8 = &gpioi;
		gpio9 = &gpioj;
		gpio10 = &gpiok;
		spi0 = &qspi;
	};

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

		fmc: fmc@A0000000 {
			compatible = "st,stm32-fmc";
			reg = <0xA0000000 0x1000>;
			clocks = <&rcc 0 STM32F4_AHB3_CLOCK(FMC)>;
			st,syscfg = <&syscfg>;
			pinctrl-0 = <&fmc_pins_d32>;
			pinctrl-names = "default";
			st,mem_remap = <4>;
			u-boot,dm-pre-reloc;

			/*
			 * Memory configuration from sdram
			 * MICRON MT48LC4M32B2B5-6A
			 */
			bank0: bank@0 {
			       st,sdram-control = /bits/ 8 <NO_COL_8
							    NO_ROW_12
							    MWIDTH_32
							    BANKS_4
							    CAS_3
							    SDCLK_2
							    RD_BURST_EN
							    RD_PIPE_DL_0>;
			       st,sdram-timing = /bits/ 8 <TMRD_2
							   TXSR_6
							   TRAS_4
							   TRC_6
							   TWR_2
							   TRP_2
							   TRCD_2>;
			       st,sdram-refcount = < 1292 >;
		       };
		};

		qspi: quadspi@A0001000 {
			compatible = "st,stm32f469-qspi";
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0xA0001000 0x1000>, <0x90000000 0x10000000>;
			reg-names = "qspi", "qspi_mm";
			interrupts = <91>;
			spi-max-frequency = <108000000>;
			clocks = <&rcc 0 STM32F4_AHB3_CLOCK(QSPI)>;
			resets = <&rcc STM32F4_AHB3_RESET(QSPI)>;
			pinctrl-0 = <&qspi_pins>;
		};
	};
};

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

&clk_i2s_ckin {
	u-boot,dm-pre-reloc;
};

&clk_lse {
	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_d32: fmc_d32@0 {
		u-boot,dm-pre-reloc;
		pins
		{
			pinmux = <STM32_PINMUX('I',10, AF12)>, /* D31 */
				 <STM32_PINMUX('I', 9, AF12)>, /* D30 */
				 <STM32_PINMUX('I', 7, AF12)>, /* D29 */
				 <STM32_PINMUX('I', 6, AF12)>, /* D28 */
				 <STM32_PINMUX('I', 3, AF12)>, /* D27 */
				 <STM32_PINMUX('I', 2, AF12)>, /* D26 */
				 <STM32_PINMUX('I', 1, AF12)>, /* D25 */
				 <STM32_PINMUX('I', 0, AF12)>, /* D24 */
				 <STM32_PINMUX('H',15, AF12)>, /* D23 */
				 <STM32_PINMUX('H',14, AF12)>, /* D22 */
				 <STM32_PINMUX('H',13, AF12)>, /* D21 */
				 <STM32_PINMUX('H',12, AF12)>, /* D20 */
				 <STM32_PINMUX('H',11, AF12)>, /* D19 */
				 <STM32_PINMUX('H',10, AF12)>, /* D18 */
				 <STM32_PINMUX('H', 9, AF12)>, /* D17 */
				 <STM32_PINMUX('H', 8, AF12)>, /* D16 */

				 <STM32_PINMUX('D',10, AF12)>, /* D15 */
				 <STM32_PINMUX('D', 9, AF12)>, /* D14 */
				 <STM32_PINMUX('D', 8, AF12)>, /* D13 */
				 <STM32_PINMUX('E',15, AF12)>, /* D12 */
				 <STM32_PINMUX('E',14, AF12)>, /* D11 */
				 <STM32_PINMUX('E',13, AF12)>, /* D10 */
				 <STM32_PINMUX('E',12, AF12)>, /* D09 */
				 <STM32_PINMUX('E',11, AF12)>, /* D08 */
				 <STM32_PINMUX('E',10, AF12)>, /* D07 */
				 <STM32_PINMUX('E', 9, AF12)>, /* D06 */
				 <STM32_PINMUX('E', 8, AF12)>, /* D05 */
				 <STM32_PINMUX('E', 7, AF12)>, /* D04 */
				 <STM32_PINMUX('D', 1, AF12)>, /* D03 */
				 <STM32_PINMUX('D', 0, AF12)>, /* D02 */
				 <STM32_PINMUX('D',15, AF12)>, /* D01 */
				 <STM32_PINMUX('D',14, AF12)>, /* D00 */

				 <STM32_PINMUX('E', 0, AF12)>, /* NBL0 */
				 <STM32_PINMUX('E', 1, AF12)>, /* NBL1 */
				 <STM32_PINMUX('I', 4, AF12)>, /* NBL2 */
				 <STM32_PINMUX('I', 5, AF12)>, /* NBL3 */

				 <STM32_PINMUX('G', 5, AF12)>, /* BA1 */
				 <STM32_PINMUX('G', 4, AF12)>, /* BA0 */

				 <STM32_PINMUX('G', 1, AF12)>, /* A11 */
				 <STM32_PINMUX('G', 0, AF12)>, /* A10 */
				 <STM32_PINMUX('F',15, AF12)>, /* A09 */
				 <STM32_PINMUX('F',14, AF12)>, /* A08 */
				 <STM32_PINMUX('F',13, AF12)>, /* A07 */
				 <STM32_PINMUX('F',12, AF12)>, /* A06 */
				 <STM32_PINMUX('F', 5, AF12)>, /* A05 */
				 <STM32_PINMUX('F', 4, AF12)>, /* A04 */
				 <STM32_PINMUX('F', 3, AF12)>, /* A03 */
				 <STM32_PINMUX('F', 2, AF12)>, /* A02 */
				 <STM32_PINMUX('F', 1, AF12)>, /* A01 */
				 <STM32_PINMUX('F', 0, AF12)>, /* A00 */

				 <STM32_PINMUX('H', 3, AF12)>, /* SDNE0 */
				 <STM32_PINMUX('C', 0, AF12)>, /* SDNWE */
				 <STM32_PINMUX('F',11, AF12)>, /* SDNRAS */
				 <STM32_PINMUX('G',15, AF12)>, /* SDNCAS */
				 <STM32_PINMUX('H', 2, AF12)>, /* SDCKE0 */
				 <STM32_PINMUX('G', 8, AF12)>; /* SDCLK> */
			slew-rate = <2>;
			u-boot,dm-pre-reloc;
		};
	};

	qspi_pins: qspi@0 {
		pins {
			pinmux = <STM32_PINMUX('F',10, AF9)>, /* CLK */
				 <STM32_PINMUX('B', 6, AF10)>, /* BK1_NCS */
				 <STM32_PINMUX('F', 8, AF10)>, /* BK1_IO0 */
				 <STM32_PINMUX('F', 9, AF10)>, /* BK1_IO1 */
				 <STM32_PINMUX('F', 7, AF9)>, /* BK1_IO2 */
				 <STM32_PINMUX('F', 6, AF9)>; /* BK1_IO3 */
			slew-rate = <2>;
		};
	};

	usart3_pins_a: usart3@0	{
		u-boot,dm-pre-reloc;
		pins1 {
			u-boot,dm-pre-reloc;
		};
		pins2 {
			u-boot,dm-pre-reloc;
		};
	};
};

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

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

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

&qspi {
	reg = <0xA0001000 0x1000>, <0x90000000 0x1000000>;
	flash0: n25q128a {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		spi-max-frequency = <108000000>;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;
		reg = <0>;
	};
};