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;
		eeprom0 = &eeprom0;
	};

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

&ethernet0 {
	phy-reset-gpios = <&gpioh 3 GPIO_ACTIVE_LOW>;
	/delete-property/ st,eth-ref-clk-sel;
};

&ethernet0_rmii_pins_a {
	pins1 {
		pinmux = <STM32_PINMUX('G', 13, AF11)>, /* ETH1_RMII_TXD0 */
			 <STM32_PINMUX('G', 14, AF11)>, /* ETH1_RMII_TXD1 */
			 <STM32_PINMUX('B', 11, AF11)>, /* ETH1_RMII_TX_EN */
			 <STM32_PINMUX('A', 1, AF11)>,  /* ETH1_RMII_REF_CLK */
			 <STM32_PINMUX('A', 2, AF11)>,  /* ETH1_MDIO */
			 <STM32_PINMUX('C', 1, AF11)>;  /* ETH1_MDC */
	};
};

&i2c4 {
	bootph-all;
	bootph-pre-ram;

	eeprom0: eeprom@50 {
	};
};

&i2c4_pins_a {
	bootph-all;
	pins {
		bootph-all;
	};
};

&phy0 {
	/delete-property/ reset-gpios;
};

&pinctrl {
	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 {
	bootph-all;
	bootph-pre-ram;

	regulators {
		bootph-pre-ram;
	};
};

&flash0 {
	bootph-pre-ram;

	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		partition@0 {
			label = "fsbl1";
			reg = <0x00000000 0x00040000>;
		};
		partition@40000 {
			label = "fsbl2";
			reg = <0x00040000 0x00040000>;
		};
		partition@80000 {
			label = "uboot";
			reg = <0x00080000 0x00160000>;
		};
		partition@1e0000 {
			label = "env1";
			reg = <0x001E0000 0x00010000>;
		};
		partition@1f0000 {
			label = "env2";
			reg = <0x001F0000 0x00010000>;
		};
	};
};

&qspi {
	bootph-pre-ram;
};

&qspi_clk_pins_a {
	bootph-pre-ram;
	pins {
		bootph-pre-ram;
	};
};

&qspi_bk1_pins_a {
	bootph-pre-ram;
	pins {
		bootph-pre-ram;
	};
};

&qspi_cs1_pins_a {
	bootph-pre-ram;
	pins {
		bootph-pre-ram;
	};
};

&rcc {
	/*
	 * Reinstate clock names from stm32mp151.dtsi, the MCO2 trick
	 * used in stm32mp15xx-dhcom-som.dtsi is not supported by the
	 * U-Boot clock framework.
	 */
	clock-names = "hse", "hsi", "csi", "lse", "lsi";
	clocks = <&clk_hse>, <&clk_hsi>, <&clk_csi>,
		 <&clk_lse>, <&clk_lsi>;

	/* The MCO2 is already configured correctly, remove those. */
	/delete-property/ assigned-clocks;
	/delete-property/ assigned-clock-parents;
	/delete-property/ assigned-clock-rates;

	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
	>;

	/*
	 * cfg = < DIVM1 DIVN P Q R PQR(p,q,r) >;
	 * frac = < f >;
	 *
	 * PRQ(p,q,r) ... for p,q,r: 0-output disabled / 1-output enabled
	 * DIVN ... actually multiplier, but RCC_PLL1CFGR1 calls the field DIVN
	 * m ... for PLL1,2: m=2 ; for PLL3,4: m=1
	 * XTAL = 24 MHz
	 *
	 * VCO = ( XTAL / (DIVM1 + 1) ) * m * ( DIVN + 1 + ( f / 8192 ) )
	 *   P = VCO / (P + 1)
	 *   Q = VCO / (Q + 1)
	 *   R = VCO / (R + 1)
	 */

	/* 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 >;
		bootph-all;
	};

	/* 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 >;
		bootph-all;
	};

	/* VCO = 600.0 MHz => P = 100, Q = 50, R = 50 */
	pll4: st,pll@3 {
		compatible = "st,stm32mp1-pll";
		reg = <3>;
		cfg = < 1 49 5 11 11 PQR(1,1,1) >;
		bootph-all;
	};
};

&sdmmc1 {
	bootph-pre-ram;
	st,use-ckin;
	st,cmd-gpios = <&gpiod 2 0>;
	st,ck-gpios = <&gpioc 12 0>;
	st,ckin-gpios = <&gpioe 4 0>;
};

&sdmmc1_b4_pins_a {
	bootph-pre-ram;
	pins1 {
		bootph-pre-ram;
	};
	pins2 {
		bootph-pre-ram;
	};
};

&sdmmc1_dir_pins_a {
	bootph-pre-ram;
	pins1 {
		bootph-pre-ram;
	};
	pins2 {
		bootph-pre-ram;
	};
};

&sdmmc2 {
	bootph-pre-ram;
};

&sdmmc2_b4_pins_a {
	bootph-pre-ram;
	pins {
		bootph-pre-ram;
	};
};

&sdmmc2_d47_pins_a {
	bootph-pre-ram;
	pins {
		bootph-pre-ram;
	};
};

&uart4 {
	bootph-all;
};

&uart4_pins_a {
	bootph-all;
	pins1 {
		bootph-all;
	};
	pins2 {
		bootph-all;
		/* pull-up on rx to avoid floating level */
		bias-pull-up;
	};
};

&reg11 {
	bootph-pre-ram;
};

&reg18 {
	bootph-pre-ram;
};

&usb33 {
	bootph-pre-ram;
};

&usbotg_hs_pins_a {
	bootph-pre-ram;
};

&usbotg_hs {
	bootph-pre-ram;
};

&usbphyc {
	bootph-pre-ram;
};

&usbphyc_port0 {
	bootph-pre-ram;
};

&usbphyc_port1 {
	bootph-pre-ram;
};

&vdd_usb {
	bootph-pre-ram;
};