From: Vignesh Raghavendra Date: Wed, 5 Nov 2025 15:46:44 +0000 (-0600) Subject: arm64: dts: ti: k3-am62l: add initial reference board file X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=00fb4c73b67d36783c5ab95a830f0cf0142b9fc3;p=thirdparty%2Fkernel%2Fstable.git arm64: dts: ti: k3-am62l: add initial reference board file Add the initial board file for the AM62L3's Evaluation Module. Reviewed-by: Dhruva Gole Signed-off-by: Bryan Brattlof Link: https://patch.msgid.link/20251105-am62lx-v8-3-496f353e8237@ti.com Signed-off-by: Vignesh Raghavendra --- diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 38a93b689fe7..8a2f0530e7cc 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -37,6 +37,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62a7-phyboard-lyra-rdk.dtb # Boards with AM62Dx SoC dtb-$(CONFIG_ARCH_K3) += k3-am62d2-evm.dtb +# Boards with AM62Lx SoCs +dtb-$(CONFIG_ARCH_K3) += k3-am62l3-evm.dtb + # Boards with AM62Px SoC dtb-$(CONFIG_ARCH_K3) += k3-am62p5-sk.dtb dtb-$(CONFIG_ARCH_K3) += k3-am62p5-var-som-symphony.dtb diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts new file mode 100644 index 000000000000..cae04cce3373 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts @@ -0,0 +1,361 @@ +// SPDX-License-Identifier: GPL-2.0-only or MIT +/* + * Device Tree file for the AM62L3 Evaluation Module + * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/ + * + * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4 + * Data Sheet: https://www.ti.com/lit/pdf/sprspa1 + */ + +/dts-v1/; + +#include +#include +#include +#include +#include +#include "k3-am62l3.dtsi" +#include "k3-pinctrl.h" + +/ { + compatible = "ti,am62l3-evm", "ti,am62l3"; + model = "Texas Instruments AM62L3 Evaluation Module"; + + chosen { + stdout-path = &uart0; + }; + + memory@80000000 { + reg = <0x00000000 0x80000000 0x00000000 0x80000000>; + device_type = "memory"; + bootph-all; + }; + + gpio_keys: gpio-keys { + compatible = "gpio-keys"; + autorepeat; + pinctrl-names = "default"; + pinctrl-0 = <&usr_button_pins_default>; + + usr: button-usr { + label = "User Key"; + linux,code = ; + gpios = <&gpio0 90 GPIO_ACTIVE_LOW>; + }; + }; + + leds { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&usr_led_pins_default>; + + led-0 { + label = "am62-sk:green:heartbeat"; + gpios = <&gpio0 123 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + function = LED_FUNCTION_HEARTBEAT; + default-state = "on"; + }; + }; + + thermal-zones { + wkup0-thermal { + polling-delay-passive = <250>; /* milliSeconds */ + polling-delay = <500>; /* milliSeconds */ + thermal-sensors = <&vtm0 0>; + + trips { + crit0 { + temperature = <125000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; + + 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; + bootph-all; + }; + + vcc_3v3_sys: regulator-1 { + /* 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; + }; + + vdd_mmc1: regulator-2 { + /* TPS22918DBVR */ + compatible = "regulator-fixed"; + regulator-name = "vdd_mmc1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + vin-supply = <&vcc_3v3_sys>; + gpio = <&exp1 3 GPIO_ACTIVE_HIGH>; + bootph-all; + }; + + vcc_1v8: regulator-3 { + /* output of TPS6282518DMQ */ + compatible = "regulator-fixed"; + regulator-name = "vcc_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + vin-supply = <&vcc_3v3_sys>; + regulator-always-on; + regulator-boot-on; + }; +}; + +&gpio0 { + bootph-all; +}; + +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins_default>; + clock-frequency = <400000>; + status = "okay"; + + eeprom@51 { + /* AT24C512C-MAHM-T or M24512-DFMC6TG */ + compatible = "atmel,24c512"; + reg = <0x51>; + }; +}; + +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins_default>; + clock-frequency = <100000>; + status = "okay"; + + exp1: gpio@22 { + compatible = "ti,tca6424"; + reg = <0x22>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "", "", + "UART1_FET_SEL", "MMC1_SD_EN", + "VPP_LDO_EN", "EXP_PS_3V3_EN", + "UART1_FET_BUF_EN", "", "", + "", "DSI_GPIO0", "DSI_GPIO1", + "", "BT_UART_WAKE_SOC_3V3", + "USB_TYPEA_OC_INDICATION", "", + "", "WLAN_ALERTn", "", "", + "HDMI_INTn", "TEST_GPIO2", + "MCASP0_FET_EN", "MCASP0_BUF_BT_EN", + "MCASP0_FET_SEL", "DSI_EDID", + "PD_I2C_IRQ", "IO_EXP_TEST_LED"; + + interrupt-parent = <&gpio0>; + interrupts = <91 IRQ_TYPE_EDGE_FALLING>; + interrupt-controller; + #interrupt-cells = <2>; + + pinctrl-names = "default"; + pinctrl-0 = <&gpio0_ioexp_intr_pins_default>; + bootph-all; + }; + + exp2: gpio@23 { + compatible = "ti,tca6424"; + reg = <0x23>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "BT_EN_SOC", "VOUT0_FET_SEL0", + "", "", + "", "", + "", "", + "WL_LT_EN", "EXP_PS_5V0_EN", + "TP45", "TP48", + "TP46", "TP49", + "TP47", "TP50", + "GPIO_QSPI_NAND_RSTn", "GPIO_HDMI_RSTn", + "GPIO_CPSW1_RST", "GPIO_CPSW2_RST", + "", "GPIO_AUD_RSTn", + "GPIO_eMMC_RSTn", "SoC_WLAN_SDIO_RST"; + bootph-all; + }; + +}; + +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins_default>; + clock-frequency = <400000>; + status = "okay"; + + typec_pd0: tps658x@3f { + compatible = "ti,tps6598x"; + reg = <0x3f>; + + connector { + compatible = "usb-c-connector"; + label = "USB-C"; + self-powered; + data-role = "dual"; + power-role = "sink"; + + port { + usb_con_hs: endpoint { + remote-endpoint = <&usb0_hs_ep>; + }; + }; + }; + }; +}; + +&pmx0 { + gpio0_ioexp_intr_pins_default: gpio0-ioexp-intr-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x01b0, PIN_INPUT, 7) /* (B12) SPI0_D1.GPIO0_91 */ + >; + bootph-all; + }; + + i2c0_pins_default: i2c0-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x01cc, PIN_INPUT_PULLUP, 0) /* (B7) I2C0_SCL */ + AM62LX_IOPAD(0x01d0, PIN_INPUT_PULLUP, 0) /* (A7) I2C0_SDA */ + >; + bootph-all; + }; + + i2c1_pins_default: i2c1-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x01d4, PIN_INPUT_PULLUP, 0) /* (D7) I2C1_SCL */ + AM62LX_IOPAD(0x01d8, PIN_INPUT_PULLUP, 0) /* (A6) I2C1_SDA */ + >; + bootph-all; + }; + + i2c2_pins_default: i2c2-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x01dc, PIN_INPUT_PULLUP, 0) /* (B8) I2C2_SCL */ + AM62LX_IOPAD(0x01e0, PIN_INPUT_PULLUP, 0) /* (D8) I2C2_SDA */ + >; + }; + + mmc0_pins_default: mmc0-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x0214, PIN_INPUT_PULLUP, 0) /* (D2) MMC0_CMD */ + AM62LX_IOPAD(0x020c, PIN_OUTPUT, 0) /* (B2) MMC0_CLK */ + AM62LX_IOPAD(0x0208, PIN_INPUT_PULLUP, 0) /* (D3) MMC0_DAT0 */ + AM62LX_IOPAD(0x0204, PIN_INPUT_PULLUP, 0) /* (D4) MMC0_DAT1 */ + AM62LX_IOPAD(0x0200, PIN_INPUT_PULLUP, 0) /* (C1) MMC0_DAT2 */ + AM62LX_IOPAD(0x01fc, PIN_INPUT_PULLUP, 0) /* (C2) MMC0_DAT3 */ + AM62LX_IOPAD(0x01f8, PIN_INPUT_PULLUP, 0) /* (C4) MMC0_DAT4 */ + AM62LX_IOPAD(0x01f4, PIN_INPUT_PULLUP, 0) /* (B3) MMC0_DAT5 */ + AM62LX_IOPAD(0x01f0, PIN_INPUT_PULLUP, 0) /* (A3) MMC0_DAT6 */ + AM62LX_IOPAD(0x01ec, PIN_INPUT_PULLUP, 0) /* (B4) MMC0_DAT7 */ + >; + bootph-all; + }; + + mmc1_pins_default: mmc1-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x0230, PIN_INPUT, 0) /* (Y3) MMC1_CMD */ + AM62LX_IOPAD(0x0228, PIN_OUTPUT, 0) /* (Y2) MMC1_CLK */ + AM62LX_IOPAD(0x0224, PIN_INPUT, 0) /* (AA1) MMC1_DAT0 */ + AM62LX_IOPAD(0x0220, PIN_INPUT_PULLUP, 0) /* (Y4) MMC1_DAT1 */ + AM62LX_IOPAD(0x021c, PIN_INPUT_PULLUP, 0) /* (AA2) MMC1_DAT2 */ + AM62LX_IOPAD(0x0218, PIN_INPUT_PULLUP, 0) /* (AB2) MMC1_DAT3 */ + AM62LX_IOPAD(0x0234, PIN_INPUT, 0) /* (B6) MMC1_SDCD */ + >; + bootph-all; + }; + + uart0_pins_default: uart0-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x01b4, PIN_INPUT, 0) /* (D13) UART0_RXD */ + AM62LX_IOPAD(0x01b8, PIN_OUTPUT, 0) /* (C13) UART0_TXD */ + >; + bootph-all; + }; + + usb1_default_pins: usb1-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x0248, PIN_INPUT | PIN_DS_PULLUD_ENABLE | PIN_DS_PULL_UP, 0) /* (A5) USB1_DRVVBUS */ + >; + }; + + usr_button_pins_default: usr-button-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x01ac, PIN_INPUT, 7) /* (E12) SPI0_D0.GPIO0_90 */ + >; + }; + + usr_led_pins_default: usr-led-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x0238, PIN_OUTPUT, 7) /* (D24) MMC1_SDWP.GPIO0_123 */ + >; + }; + +}; + +&sdhci0 { + /* eMMC */ + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins_default>; + non-removable; + status = "okay"; + bootph-all; +}; + +&sdhci1 { + /* SD/MMC */ + pinctrl-names = "default"; + pinctrl-0 = <&mmc1_pins_default>; + vmmc-supply = <&vdd_mmc1>; + disable-wp; + status = "okay"; + bootph-all; +}; + +&uart0 { + pinctrl-0 = <&uart0_pins_default>; + pinctrl-names = "default"; + status = "okay"; + bootph-all; +}; + +&usbss0 { + status = "okay"; + ti,vbus-divider; +}; + +&usb0 { + usb-role-switch; + + port { + usb0_hs_ep: endpoint { + remote-endpoint = <&usb_con_hs>; + }; + }; +}; + +&usbss1 { + status = "okay"; + ti,vbus-divider; +}; + +&usb1 { + dr_mode = "host"; + pinctrl-names = "default"; + pinctrl-0 = <&usb1_default_pins>; +};