xref: /openbmc/u-boot/arch/arm/dts/stm32mp157c-ed1-u-boot.dtsi (revision 4549e789)

// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
 * Copyright : STMicroelectronics 2018
 */

#include <dt-bindings/clock/stm32mp1-clksrc.h>
#include "stm32mp157-u-boot.dtsi"
#include "stm32mp15-ddr3-2x4Gb-1066-binG.dtsi"

/ {
	aliases {
		mmc0 = &sdmmc1;
		mmc1 = &sdmmc2;
		i2c3 = &i2c4;
	};
};

&uart4_pins_a {
	u-boot,dm-pre-reloc;
	pins1 {
		u-boot,dm-pre-reloc;
	};
	pins2 {
		u-boot,dm-pre-reloc;
	};
};

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

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

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

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

/* CLOCK init */
&rcc_clk {
	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_DISABLED
	>;

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

	st,pkcs = <
		CLK_CKPER_DISABLED
		CLK_SDMMC12_PLL3R
		CLK_STGEN_HSE
		CLK_I2C46_PCLK5
		CLK_I2C12_PCLK1
		CLK_SDMMC3_PLL3R
		CLK_I2C35_PCLK1
		CLK_UART1_PCLK5
		CLK_UART24_PCLK1
		CLK_UART35_PCLK1
		CLK_UART6_PCLK2
		CLK_UART78_PCLK1
	>;

	/* VCO = 1300.0 MHz => P = 650 (CPU) */
	pll1: st,pll@0 {
		cfg = < 2 80 0 0 0 PQR(1,0,0) >;
		frac = < 0x800 >;
		u-boot,dm-pre-reloc;
	};

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

	/* VCO = 774.0 MHz => P = 194, Q = 37, R = 97 */
	pll3: st,pll@2 {
		cfg = < 3 128 3 20 7 PQR(1,1,1) >;
		u-boot,dm-pre-reloc;
	};

	/* VCO = 508.0 MHz => P = 56, Q = 56, R = 56 */
	pll4: st,pll@3 {
		cfg = < 5 126 8 8 8 PQR(1,1,1) >;
		u-boot,dm-pre-reloc;
	};
};

/* SPL part **************************************/
/* MMC1 boot */
&sdmmc1_b4_pins_a {
	u-boot,dm-spl;
	pins {
		u-boot,dm-spl;
	};
};

&sdmmc1_dir_pins_a {
	u-boot,dm-spl;
	pins {
		u-boot,dm-spl;
	};
};

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

/* MMC2 boot */
&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;
	};
};

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