// SPDX-License-Identifier: GPL-2.0+ #include <stm32f7-u-boot.dtsi> /{ chosen { bootargs = "root=/dev/ram rdinit=/linuxrc"; }; 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; mmc0 = &sdio2; spi0 = &qspi; }; button1 { compatible = "st,button1"; button-gpio = <&gpioa 0 0>; }; led1 { compatible = "st,led1"; led-gpio = <&gpioj 5 0>; }; }; &fmc { /* Memory configuration from sdram datasheet MT48LC_4M32_B2B5-6A */ bank1: bank@0 { u-boot,dm-pre-reloc; 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>; /* refcount = (64msec/total_row_sdram)*freq - 20 */ st,sdram-refcount = < 1542 >; }; }; &pinctrl { ethernet_mii: mii@0 { pins { pinmux = <STM32_PINMUX('G',13, AF11)>, /* ETH_RMII_TXD0 */ <STM32_PINMUX('G',14, AF11)>, /* ETH_RMII_TXD1 */ <STM32_PINMUX('G',11, AF11)>, /* ETH_RMII_TX_EN */ <STM32_PINMUX('A', 2, AF11)>, /* ETH_MDIO */ <STM32_PINMUX('C', 1, AF11)>, /* ETH_MDC */ <STM32_PINMUX('A', 1, AF11)>, /* ETH_RMII_REF_CLK */ <STM32_PINMUX('A', 7, AF11)>, /* ETH_RMII_CRS_DV */ <STM32_PINMUX('C', 4, AF11)>, /* ETH_RMII_RXD0 */ <STM32_PINMUX('C', 5, AF11)>; /* ETH_RMII_RXD1 */ slew-rate = <2>; }; }; fmc_pins: fmc@0 { 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)>, /* D9 */ <STM32_PINMUX('E',11, AF12)>, /* D8 */ <STM32_PINMUX('E',10, AF12)>, /* D7 */ <STM32_PINMUX('E', 9, AF12)>, /* D6 */ <STM32_PINMUX('E', 8, AF12)>, /* D5 */ <STM32_PINMUX('E', 7, AF12)>, /* D4 */ <STM32_PINMUX('D', 1, AF12)>, /* D3 */ <STM32_PINMUX('D', 0, AF12)>, /* D2 */ <STM32_PINMUX('D',15, AF12)>, /* D1 */ <STM32_PINMUX('D',14, AF12)>, /* D0 */ <STM32_PINMUX('I', 5, AF12)>, /* NBL3 */ <STM32_PINMUX('I', 4, AF12)>, /* NBL2 */ <STM32_PINMUX('E', 1, AF12)>, /* NBL1 */ <STM32_PINMUX('E', 0, AF12)>, /* NBL0 */ <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)>, /* A9 */ <STM32_PINMUX('F',14, AF12)>, /* A8 */ <STM32_PINMUX('F',13, AF12)>, /* A7 */ <STM32_PINMUX('F',12, AF12)>, /* A6 */ <STM32_PINMUX('F', 5, AF12)>, /* A5 */ <STM32_PINMUX('F', 4, AF12)>, /* A4 */ <STM32_PINMUX('F', 3, AF12)>, /* A3 */ <STM32_PINMUX('F', 2, AF12)>, /* A2 */ <STM32_PINMUX('F', 1, AF12)>, /* A1 */ <STM32_PINMUX('F', 0, AF12)>, /* A0 */ <STM32_PINMUX('H', 3, AF12)>, /* SDNE0 */ <STM32_PINMUX('H', 5, 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>; }; }; qspi_pins: qspi@0 { pins { pinmux = <STM32_PINMUX('B', 2, AF9)>, /* CLK */ <STM32_PINMUX('B', 6, AF10)>, /* BK1_NCS */ <STM32_PINMUX('C', 9, AF9)>, /* BK1_IO0 */ <STM32_PINMUX('C',10, AF9)>, /* BK1_IO1 */ <STM32_PINMUX('D',13, AF9)>, /* BK1_IO3 */ <STM32_PINMUX('E', 2, AF9)>; /* BK1_IO2 */ slew-rate = <2>; }; }; }; &qspi { flash0: mx66l51235l { #address-cells = <1>; #size-cells = <1>; spi-max-frequency = <108000000>; spi-rx-bus-width = <4>; reg = <0>; }; };