| // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| /* |
| * Copyright 2022 Gateworks Corporation |
| */ |
| |
| #include "imx8mp-u-boot.dtsi" |
| |
| / { |
| wdt-reboot { |
| compatible = "wdt-reboot"; |
| bootph-pre-ram; |
| wdt = <&wdog1>; |
| }; |
| }; |
| |
| ðphy0 { |
| reset-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>; |
| reset-delay-us = <1000>; |
| reset-post-delay-us = <300000>; |
| }; |
| |
| &fec { |
| phy-reset-gpios = <&gpio4 29 GPIO_ACTIVE_LOW>; |
| phy-reset-duration = <15>; |
| phy-reset-post-delay = <100>; |
| }; |
| |
| &gpio1 { |
| bootph-pre-ram; |
| |
| dio0_hog { |
| gpio-hog; |
| input; |
| gpios = <9 GPIO_ACTIVE_LOW>; |
| line-name = "dio0"; |
| }; |
| |
| dio1_hog { |
| gpio-hog; |
| input; |
| gpios = <11 GPIO_ACTIVE_LOW>; |
| line-name = "dio1"; |
| }; |
| }; |
| |
| &gpio2 { |
| bootph-pre-ram; |
| |
| m2_pin20 { |
| gpio-hog; |
| input; |
| gpios = <6 GPIO_ACTIVE_HIGH>; |
| line-name = "m2_pin20"; |
| }; |
| |
| m2_pin22 { |
| gpio-hog; |
| input; |
| gpios = <11 GPIO_ACTIVE_HIGH>; |
| line-name = "m2_pin22"; |
| }; |
| |
| tpm_rst_hog { |
| gpio-hog; |
| output-high; |
| gpios = <12 GPIO_ACTIVE_HIGH>; |
| line-name = "tpm_rst#"; |
| }; |
| |
| pcie1_wdis_hog { |
| gpio-hog; |
| output-high; |
| gpios = <13 GPIO_ACTIVE_HIGH>; |
| line-name = "pcie1_wdis#"; |
| }; |
| |
| pcie3_wdis_hog { |
| gpio-hog; |
| output-high; |
| gpios = <14 GPIO_ACTIVE_HIGH>; |
| line-name = "pcie3_wdis#"; |
| }; |
| |
| pcie2_wdis_hog { |
| gpio-hog; |
| output-high; |
| gpios = <18 GPIO_ACTIVE_HIGH>; |
| line-name = "pcie2_wdis#"; |
| }; |
| }; |
| |
| &gpio3 { |
| bootph-pre-ram; |
| |
| m2_rst { |
| gpio-hog; |
| output-low; |
| gpios = <6 GPIO_ACTIVE_HIGH>; |
| line-name = "m2_rst"; |
| }; |
| }; |
| |
| &gpio4 { |
| bootph-pre-ram; |
| |
| m2_off { |
| gpio-hog; |
| output-high; |
| gpios = <2 GPIO_ACTIVE_HIGH>; |
| line-name = "m2_off#"; |
| }; |
| |
| m2_wdis { |
| gpio-hog; |
| output-high; |
| gpios = <18 GPIO_ACTIVE_HIGH>; |
| line-name = "m2_wdis#"; |
| }; |
| |
| rs485_en { |
| gpio-hog; |
| output-low; |
| gpios = <31 GPIO_ACTIVE_HIGH>; |
| line-name = "rs485_en"; |
| }; |
| }; |
| |
| &gpio5 { |
| bootph-pre-ram; |
| |
| rs485_half { |
| gpio-hog; |
| output-low; |
| gpios = <0 GPIO_ACTIVE_HIGH>; |
| line-name = "rs485_hd"; |
| }; |
| |
| rs485_term { |
| gpio-hog; |
| output-low; |
| gpios = <1 GPIO_ACTIVE_HIGH>; |
| line-name = "rs485_term"; |
| }; |
| }; |
| |
| &i2c1 { |
| bootph-pre-ram; |
| }; |
| |
| &i2c2 { |
| bootph-pre-ram; |
| }; |
| |
| &i2c3 { |
| bootph-pre-ram; |
| }; |
| |
| &pinctrl_i2c1 { |
| bootph-pre-ram; |
| }; |
| |
| &pinctrl_wdog { |
| bootph-pre-ram; |
| }; |
| |
| &switch { |
| ports { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| lan1: port@0 { |
| phy-handle = <&sw_phy0>; |
| }; |
| |
| lan2: port@1 { |
| phy-handle = <&sw_phy1>; |
| }; |
| |
| lan3: port@2 { |
| phy-handle = <&sw_phy2>; |
| }; |
| |
| lan4: port@3 { |
| phy-handle = <&sw_phy3>; |
| }; |
| |
| lan5: port@4 { |
| phy-handle = <&sw_phy4>; |
| }; |
| }; |
| |
| mdios { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| mdio@0 { |
| reg = <0>; |
| compatible = "microchip,ksz-mdio"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| sw_phy0: ethernet-phy@0 { |
| reg = <0x0>; |
| }; |
| |
| sw_phy1: ethernet-phy@1 { |
| reg = <0x1>; |
| }; |
| |
| sw_phy2: ethernet-phy@2 { |
| reg = <0x2>; |
| }; |
| |
| sw_phy3: ethernet-phy@3 { |
| reg = <0x3>; |
| }; |
| |
| sw_phy4: ethernet-phy@4 { |
| reg = <0x4>; |
| }; |
| }; |
| }; |
| }; |
| |
| &usdhc2 { |
| assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_400M>; |
| assigned-clock-rates = <400000000>; |
| assigned-clocks = <&clk IMX8MP_CLK_USDHC2>; |
| sd-uhs-ddr50; |
| sd-uhs-sdr104; |
| bootph-pre-ram; |
| }; |
| |
| &usdhc3 { |
| assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_400M>; |
| assigned-clock-rates = <400000000>; |
| assigned-clocks = <&clk IMX8MP_CLK_USDHC3>; |
| mmc-hs400-1_8v; |
| mmc-hs400-enhanced-strobe; |
| bootph-pre-ram; |
| }; |
| |
| &wdog1 { |
| bootph-pre-ram; |
| }; |
| |
| /* gpio-usb-con not supported yet in U-Boot so make this a host for now */ |
| &usb_dwc3_0 { |
| dr_mode = "host"; |
| }; |