// SPDX-License-Identifier: GPL-2.0 /* * AM625 SK: https://www.ti.com/lit/zip/sprr448 * * Copyright (C) 2021-2022 Texas Instruments Incorporated - https://www.ti.com/ */ /dts-v1/; #include #include #include "k3-am625.dtsi" / { compatible = "ti,am625-sk", "ti,am625"; model = "Texas Instruments AM625 SK"; aliases { serial2 = &main_uart0; }; chosen { stdout-path = "serial2:115200n8"; bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; }; memory@80000000 { device_type = "memory"; /* 2G RAM */ reg = <0x00000000 0x80000000 0x00000000 0x80000000>; }; reserved-memory { #address-cells = <2>; #size-cells = <2>; ranges; secure_tfa_ddr: tfa@9e780000 { reg = <0x00 0x9e780000 0x00 0x80000>; alignment = <0x1000>; no-map; }; secure_ddr: optee@9e800000 { reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */ alignment = <0x1000>; no-map; }; wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9db00000 { compatible = "shared-dma-pool"; reg = <0x00 0x9db00000 0x00 0xc00000>; no-map; }; }; vmain_pd: regulator-0 { /* TPS65988 PD CONTROLLER OUTPUT */ compatible = "regulator-fixed"; regulator-name = "vmain_pd"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; regulator-always-on; regulator-boot-on; }; vcc_5v0: regulator-1 { /* Output of LM34936 */ compatible = "regulator-fixed"; regulator-name = "vcc_5v0"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; vin-supply = <&vmain_pd>; regulator-always-on; regulator-boot-on; }; vcc_3v3_sys: regulator-2 { /* output of LM61460-Q1 */ compatible = "regulator-fixed"; regulator-name = "vcc_3v3_sys"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; vin-supply = <&vmain_pd>; regulator-always-on; regulator-boot-on; }; leds { compatible = "gpio-leds"; pinctrl-names = "default"; pinctrl-0 = <&usr_led_pins_default>; led-0 { label = "am62-sk:green:heartbeat"; gpios = <&main_gpio1 49 GPIO_ACTIVE_HIGH>; linux,default-trigger = "heartbeat"; function = LED_FUNCTION_HEARTBEAT; default-state = "off"; }; }; }; &main_pmx0 { main_uart0_pins_default: main-uart0-pins-default { pinctrl-single,pins = < AM62X_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14) UART0_RXD */ AM62X_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14) UART0_TXD */ >; }; main_i2c0_pins_default: main-i2c0-pins-default { pinctrl-single,pins = < AM62X_IOPAD(0x1e0, PIN_INPUT_PULLUP, 0) /* (B16) I2C0_SCL */ AM62X_IOPAD(0x1e4, PIN_INPUT_PULLUP, 0) /* (A16) I2C0_SDA */ >; }; main_i2c1_pins_default: main-i2c1-pins-default { pinctrl-single,pins = < AM62X_IOPAD(0x1e8, PIN_INPUT_PULLUP, 0) /* (B17) I2C1_SCL */ AM62X_IOPAD(0x1ec, PIN_INPUT_PULLUP, 0) /* (A17) I2C1_SDA */ >; }; usr_led_pins_default: usr-led-pins-default { pinctrl-single,pins = < AM62X_IOPAD(0x244, PIN_OUTPUT, 7) /* (C17) MMC1_SDWP.GPIO1_49 */ >; }; }; &wkup_uart0 { /* WKUP UART0 is used by DM firmware */ status = "reserved"; }; &mcu_uart0 { status = "disabled"; }; &main_uart0 { pinctrl-names = "default"; pinctrl-0 = <&main_uart0_pins_default>; }; &main_uart1 { /* Main UART1 is used by TIFS firmware */ status = "reserved"; }; &main_uart2 { status = "disabled"; }; &main_uart3 { status = "disabled"; }; &main_uart4 { status = "disabled"; }; &main_uart5 { status = "disabled"; }; &main_uart6 { status = "disabled"; }; &mcu_i2c0 { status = "disabled"; }; &wkup_i2c0 { status = "disabled"; }; &main_i2c0 { pinctrl-names = "default"; pinctrl-0 = <&main_i2c0_pins_default>; clock-frequency = <400000>; }; &main_i2c1 { pinctrl-names = "default"; pinctrl-0 = <&main_i2c1_pins_default>; clock-frequency = <400000>; }; &main_i2c2 { status = "disabled"; }; &main_i2c3 { status = "disabled"; }; &mailbox0_cluster0 { mbox_m4_0: mbox-m4-0 { ti,mbox-rx = <0 0 0>; ti,mbox-tx = <1 0 0>; }; };