u-boot-brain/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi

// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
 * Copyright (C) 2019 Marek Vasut <marex@denx.de>
 */

#include <dt-bindings/clock/stm32mp1-clksrc.h>
#include "stm32mp15-u-boot.dtsi"
#include "stm32mp15-ddr3-dhsom-2x1Gb-1066-binG.dtsi"
#include "stm32mp15-ddr3-dhsom-2x2Gb-1066-binG.dtsi"
#include "stm32mp15-ddr3-dhsom-2x4Gb-1066-binG.dtsi"

/ {
	aliases {
		i2c1 = &i2c2;
		i2c3 = &i2c4;
		i2c4 = &i2c5;
		mmc0 = &sdmmc1;
		mmc1 = &sdmmc2;
		spi0 = &qspi;
		usb0 = &usbotg_hs;
		ethernet1 = &ksz8851;
	};

	config {
		u-boot,boot-led = "heartbeat";
		u-boot,error-led = "error";
		st,fastboot-gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
		st,stm32prog-gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
		dh,som-coding-gpios = <&gpiof 12 0>, <&gpiof 13 0>, <&gpiof 15 0>;
		dh,ddr3-coding-gpios = <&gpioz 6 0>, <&gpioz 7 0>;
	};

	led {
		red {
			label = "error";
			gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
			default-state = "off";
			status = "okay";
		};

		blue {
			default-state = "on";
		};
	};

	/* This is actually on FMC2, but we do not have bus driver for that */
	ksz8851: ks8851mll@64000000 {
		compatible = "micrel,ks8851-mll";
		reg = <0x64000000 0x20000>;
	};
};

&gpiof {
	snor-nwp {
		gpio-hog;
		gpios = <7 0>;
		output-high;
		line-name = "spi-nor-nwp";
	};
};

&i2c4 {
	u-boot,dm-pre-reloc;
};

&i2c4_pins_a {
	u-boot,dm-pre-reloc;
	pins {
		u-boot,dm-pre-reloc;
	};
};

&pinctrl {
	/* These should bound to FMC2 bus driver, but we do not have one */
	pinctrl-0 = <&fmc_pins_b &mco2_pins_a>;
	pinctrl-1 = <&fmc_sleep_pins_b &mco2_sleep_pins_a>;
	pinctrl-names = "default", "sleep";

	mco2_pins_a: mco2-0 {
		pins {
			pinmux = <STM32_PINMUX('G', 2, AF1)>; /* MCO2 */
			bias-disable;
			drive-push-pull;
			slew-rate = <2>;
		};
	};

	mco2_sleep_pins_a: mco2-sleep-0 {
		pins {
			pinmux = <STM32_PINMUX('G', 2, ANALOG)>; /* MCO2 */
		};
	};
};

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

&flash0 {
	u-boot,dm-spl;
};

&qspi {
	u-boot,dm-spl;
};

&qspi_clk_pins_a {
	u-boot,dm-spl;
	pins {
		u-boot,dm-spl;
	};
};

&qspi_bk1_pins_a {
	u-boot,dm-spl;
	pins1 {
		u-boot,dm-spl;
	};
	pins2 {
		u-boot,dm-spl;
	};
};

&qspi_bk2_pins_a {
	u-boot,dm-spl;
	pins1 {
		u-boot,dm-spl;
	};
	pins2 {
		u-boot,dm-spl;
	};
};

&rcc {
	st,clksrc = <
		CLK_MPU_PLL1P
		CLK_AXI_PLL2P
		CLK_MCU_PLL3P
		CLK_PLL12_HSE
		CLK_PLL3_HSE
		CLK_PLL4_HSE
		CLK_RTC_LSE
		CLK_MCO1_DISABLED
		CLK_MCO2_PLL4P
	>;

	st,clkdiv = <
		1 /*MPU*/
		0 /*AXI*/
		0 /*MCU*/
		1 /*APB1*/
		1 /*APB2*/
		1 /*APB3*/
		1 /*APB4*/
		2 /*APB5*/
		23 /*RTC*/
		0 /*MCO1*/
		1 /*MCO2*/
	>;

	st,pkcs = <
		CLK_CKPER_HSE
		CLK_FMC_ACLK
		CLK_QSPI_ACLK
		CLK_ETH_PLL4P
		CLK_SDMMC12_PLL4P
		CLK_DSI_DSIPLL
		CLK_STGEN_HSE
		CLK_USBPHY_HSE
		CLK_SPI2S1_PLL3Q
		CLK_SPI2S23_PLL3Q
		CLK_SPI45_HSI
		CLK_SPI6_HSI
		CLK_I2C46_HSI
		CLK_SDMMC3_PLL4P
		CLK_USBO_USBPHY
		CLK_ADC_CKPER
		CLK_CEC_LSE
		CLK_I2C12_HSI
		CLK_I2C35_HSI
		CLK_UART1_HSI
		CLK_UART24_HSI
		CLK_UART35_HSI
		CLK_UART6_HSI
		CLK_UART78_HSI
		CLK_SPDIF_PLL4P
		CLK_FDCAN_PLL4R
		CLK_SAI1_PLL3Q
		CLK_SAI2_PLL3Q
		CLK_SAI3_PLL3Q
		CLK_SAI4_PLL3Q
		CLK_RNG1_LSI
		CLK_RNG2_LSI
		CLK_LPTIM1_PCLK1
		CLK_LPTIM23_PCLK3
		CLK_LPTIM45_LSE
	>;

	/* VCO = 1066.0 MHz => P = 266 (AXI), Q = 533 (GPU), R = 533 (DDR) */
	pll2: st,pll@1 {
		compatible = "st,stm32mp1-pll";
		reg = <1>;
		cfg = < 2 65 1 0 0 PQR(1,1,1) >;
		frac = < 0x1400 >;
		u-boot,dm-pre-reloc;
	};

	/* VCO = 417.8 MHz => P = 209, Q = 24, R = 11 */
	pll3: st,pll@2 {
		compatible = "st,stm32mp1-pll";
		reg = <2>;
		cfg = < 1 33 1 16 36 PQR(1,1,1) >;
		frac = < 0x1a04 >;
		u-boot,dm-pre-reloc;
	};

	/* VCO = 600.0 MHz => P = 50, Q = 50, R = 50 */
	pll4: st,pll@3 {
		compatible = "st,stm32mp1-pll";
		reg = <3>;
		cfg = < 1 49 5 11 11 PQR(1,1,1) >;
		u-boot,dm-pre-reloc;
	};
};

&sdmmc1 {
	u-boot,dm-spl;
};

&sdmmc1_b4_pins_a {
	u-boot,dm-spl;
	pins1 {
		u-boot,dm-spl;
	};
	pins2 {
		u-boot,dm-spl;
	};
};

&sdmmc1_dir_pins_a {
	u-boot,dm-spl;
	pins1 {
		u-boot,dm-spl;
	};
	pins2 {
		u-boot,dm-spl;
	};
};

&sdmmc2 {
	u-boot,dm-spl;
};

&sdmmc2_b4_pins_a {
	u-boot,dm-spl;
	pins {
		u-boot,dm-spl;
	};
};

&sdmmc2_d47_pins_a {
	u-boot,dm-spl;
	pins {
		u-boot,dm-spl;
	};
};

&uart4 {
	u-boot,dm-pre-reloc;
};

&uart4_pins_a {
	u-boot,dm-pre-reloc;
	pins1 {
		u-boot,dm-pre-reloc;
	};
	pins2 {
		u-boot,dm-pre-reloc;
		/* pull-up on rx to avoid floating level */
		bias-pull-up;
	};
};