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Diffstat (limited to 'arch/arm/dts/stm32f746-disco-u-boot.dtsi')
-rw-r--r--arch/arm/dts/stm32f746-disco-u-boot.dtsi251
1 files changed, 251 insertions, 0 deletions
diff --git a/arch/arm/dts/stm32f746-disco-u-boot.dtsi b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
new file mode 100644
index 0000000000..ceab5e5933
--- /dev/null
+++ b/arch/arm/dts/stm32f746-disco-u-boot.dtsi
@@ -0,0 +1,251 @@
+// 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 = &sdio;
+ spi0 = &qspi;
+ };
+
+ backlight: backlight {
+ compatible = "gpio-backlight";
+ gpios = <&gpiok 3 0>;
+ status = "okay";
+ };
+
+ button1 {
+ compatible = "st,button1";
+ button-gpio = <&gpioi 11 0>;
+ };
+
+ led1 {
+ compatible = "st,led1";
+ led-gpio = <&gpioi 1 0>;
+ };
+
+ panel-rgb@0 {
+ compatible = "simple-panel";
+ backlight = <&backlight>;
+ enable-gpios = <&gpioi 12 0>;
+ status = "okay";
+
+ display-timings {
+ timing@0 {
+ clock-frequency = <9000000>;
+ hactive = <480>;
+ vactive = <272>;
+ hfront-porch = <2>;
+ hback-porch = <2>;
+ hsync-len = <41>;
+ vfront-porch = <2>;
+ vback-porch = <2>;
+ vsync-len = <10>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <0>;
+ pixelclk-active = <1>;
+ };
+ };
+ };
+
+ soc {
+ ltdc: display-controller@40016800 {
+ compatible = "st,stm32-ltdc";
+ reg = <0x40016800 0x200>;
+ resets = <&rcc STM32F7_APB2_RESET(LTDC)>;
+ clocks = <&rcc 0 STM32F7_APB2_CLOCK(LTDC)>;
+ pinctrl-0 = <&ltdc_pins>;
+
+ status = "okay";
+ u-boot,dm-pre-reloc;
+ };
+ };
+};
+
+&clk_hse {
+ u-boot,dm-pre-reloc;
+};
+
+&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_16
+ 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 = <STM32F746_PG13_FUNC_ETH_MII_TXD0_ETH_RMII_TXD0>,
+ <STM32F746_PG14_FUNC_ETH_MII_TXD1_ETH_RMII_TXD1>,
+ <STM32F746_PG11_FUNC_ETH_MII_TX_EN_ETH_RMII_TX_EN>,
+ <STM32F746_PA2_FUNC_ETH_MDIO>,
+ <STM32F746_PC1_FUNC_ETH_MDC>,
+ <STM32F746_PA1_FUNC_ETH_MII_RX_CLK_ETH_RMII_REF_CLK>,
+ <STM32F746_PA7_FUNC_ETH_MII_RX_DV_ETH_RMII_CRS_DV>,
+ <STM32F746_PC4_FUNC_ETH_MII_RXD0_ETH_RMII_RXD0>,
+ <STM32F746_PC5_FUNC_ETH_MII_RXD1_ETH_RMII_RXD1>;
+ slew-rate = <2>;
+ };
+ };
+
+ fmc_pins: fmc@0 {
+ u-boot,dm-pre-reloc;
+ pins {
+ u-boot,dm-pre-reloc;
+ pinmux = <STM32F746_PD10_FUNC_FMC_D15>,
+ <STM32F746_PD9_FUNC_FMC_D14>,
+ <STM32F746_PD8_FUNC_FMC_D13>,
+ <STM32F746_PE15_FUNC_FMC_D12>,
+ <STM32F746_PE14_FUNC_FMC_D11>,
+ <STM32F746_PE13_FUNC_FMC_D10>,
+ <STM32F746_PE12_FUNC_FMC_D9>,
+ <STM32F746_PE11_FUNC_FMC_D8>,
+ <STM32F746_PE10_FUNC_FMC_D7>,
+ <STM32F746_PE9_FUNC_FMC_D6>,
+ <STM32F746_PE8_FUNC_FMC_D5>,
+ <STM32F746_PE7_FUNC_FMC_D4>,
+ <STM32F746_PD1_FUNC_FMC_D3>,
+ <STM32F746_PD0_FUNC_FMC_D2>,
+ <STM32F746_PD15_FUNC_FMC_D1>,
+ <STM32F746_PD14_FUNC_FMC_D0>,
+
+ <STM32F746_PE1_FUNC_FMC_NBL1>,
+ <STM32F746_PE0_FUNC_FMC_NBL0>,
+
+ <STM32F746_PG5_FUNC_FMC_A15_FMC_BA1>,
+ <STM32F746_PG4_FUNC_FMC_A14_FMC_BA0>,
+
+ <STM32F746_PG1_FUNC_FMC_A11>,
+ <STM32F746_PG0_FUNC_FMC_A10>,
+ <STM32F746_PF15_FUNC_FMC_A9>,
+ <STM32F746_PF14_FUNC_FMC_A8>,
+ <STM32F746_PF13_FUNC_FMC_A7>,
+ <STM32F746_PF12_FUNC_FMC_A6>,
+ <STM32F746_PF5_FUNC_FMC_A5>,
+ <STM32F746_PF4_FUNC_FMC_A4>,
+ <STM32F746_PF3_FUNC_FMC_A3>,
+ <STM32F746_PF2_FUNC_FMC_A2>,
+ <STM32F746_PF1_FUNC_FMC_A1>,
+ <STM32F746_PF0_FUNC_FMC_A0>,
+
+ <STM32F746_PH3_FUNC_FMC_SDNE0>,
+ <STM32F746_PH5_FUNC_FMC_SDNWE>,
+ <STM32F746_PF11_FUNC_FMC_SDNRAS>,
+ <STM32F746_PG15_FUNC_FMC_SDNCAS>,
+ <STM32F746_PC3_FUNC_FMC_SDCKE0>,
+ <STM32F746_PG8_FUNC_FMC_SDCLK>;
+ slew-rate = <2>;
+ };
+ };
+
+ ltdc_pins: ltdc@0 {
+ pins {
+ pinmux = <STM32F746_PE4_FUNC_LCD_B0>,
+ <STM32F746_PG12_FUNC_LCD_B4>,
+ <STM32F746_PI9_FUNC_LCD_VSYNC>,
+ <STM32F746_PI10_FUNC_LCD_HSYNC>,
+ <STM32F746_PI14_FUNC_LCD_CLK>,
+ <STM32F746_PI15_FUNC_LCD_R0>,
+ <STM32F746_PJ0_FUNC_LCD_R1>,
+ <STM32F746_PJ1_FUNC_LCD_R2>,
+ <STM32F746_PJ2_FUNC_LCD_R3>,
+ <STM32F746_PJ3_FUNC_LCD_R4>,
+ <STM32F746_PJ4_FUNC_LCD_R5>,
+ <STM32F746_PJ5_FUNC_LCD_R6>,
+ <STM32F746_PJ6_FUNC_LCD_R7>,
+ <STM32F746_PJ7_FUNC_LCD_G0>,
+ <STM32F746_PJ8_FUNC_LCD_G1>,
+ <STM32F746_PJ9_FUNC_LCD_G2>,
+ <STM32F746_PJ10_FUNC_LCD_G3>,
+ <STM32F746_PJ11_FUNC_LCD_G4>,
+ <STM32F746_PJ13_FUNC_LCD_B1>,
+ <STM32F746_PJ14_FUNC_LCD_B2>,
+ <STM32F746_PJ15_FUNC_LCD_B3>,
+ <STM32F746_PK0_FUNC_LCD_G5>,
+ <STM32F746_PK1_FUNC_LCD_G6>,
+ <STM32F746_PK2_FUNC_LCD_G7>,
+ <STM32F746_PK4_FUNC_LCD_B5>,
+ <STM32F746_PK5_FUNC_LCD_B6>,
+ <STM32F746_PK6_FUNC_LCD_B7>,
+ <STM32F746_PK7_FUNC_LCD_DE>;
+ slew-rate = <2>;
+ };
+ };
+
+ qspi_pins: qspi@0 {
+ pins {
+ pinmux = <STM32F746_PB2_FUNC_QUADSPI_CLK>,
+ <STM32F746_PB6_FUNC_QUADSPI_BK1_NCS>,
+ <STM32F746_PD11_FUNC_QUADSPI_BK1_IO0>,
+ <STM32F746_PD12_FUNC_QUADSPI_BK1_IO1>,
+ <STM32F746_PD13_FUNC_QUADSPI_BK1_IO3>,
+ <STM32F746_PE2_FUNC_QUADSPI_BK1_IO2>;
+ slew-rate = <2>;
+ };
+ };
+
+ usart1_pins_a: usart1@0 {
+ u-boot,dm-pre-reloc;
+ pins1 {
+ u-boot,dm-pre-reloc;
+ };
+ pins2 {
+ u-boot,dm-pre-reloc;
+ };
+ };
+};
+
+&pwrcfg {
+ u-boot,dm-pre-reloc;
+};
+
+&qspi {
+ qflash0: n25q128a {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "micron,n25q128a13", "jedec,spi-nor";
+ spi-max-frequency = <108000000>;
+ spi-tx-bus-width = <1>;
+ spi-rx-bus-width = <1>;
+ memory-map = <0x90000000 0x1000000>;
+ reg = <0>;
+ };
+};
+
+&timer5 {
+ u-boot,dm-pre-reloc;
+};
generated by cgit (git 2.34.1) at 2024-12-23 12:00:38 +0000