diff options
Diffstat (limited to 'arch/arm/dts/stm32f769-disco-u-boot.dtsi')
| -rw-r--r-- | arch/arm/dts/stm32f769-disco-u-boot.dtsi | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/arm/dts/stm32f769-disco-u-boot.dtsi b/arch/arm/dts/stm32f769-disco-u-boot.dtsi new file mode 100644 index 0000000000..e9e43cba10 --- /dev/null +++ b/arch/arm/dts/stm32f769-disco-u-boot.dtsi @@ -0,0 +1,165 @@ +// 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>; + }; +}; |