Add basic support for the J722S EVM with UART console and MMC SD as rootfs. Schematics are available at: https://www.ti.com/lit/zip/sprr495 Co-developed-by: Jayesh Choudhary <j-choudhary@xxxxxx> Signed-off-by: Jayesh Choudhary <j-choudhary@xxxxxx> Signed-off-by: Vaishnav Achath <vaishnav.a@xxxxxx> --- arch/arm64/boot/dts/ti/Makefile | 3 + arch/arm64/boot/dts/ti/k3-j722s-evm.dts | 253 ++++++++++++++++++++++++ 2 files changed, 256 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-j722s-evm.dts diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index 1ac47876bc99..aa7cc33e239b 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -76,6 +76,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-j721s2-evm-gesi-exp-board.dtbo k3-j721s2-evm-dtbs := k3-j721s2-common-proc-board.dtb k3-j721s2-evm-gesi-exp-board.dtbo dtb-$(CONFIG_ARCH_K3) += k3-j721s2-evm.dtb +# Boards with J722s SoC +dtb-$(CONFIG_ARCH_K3) += k3-j722s-evm.dtb + # Boards with J784s4 SoC dtb-$(CONFIG_ARCH_K3) += k3-am69-sk.dtb dtb-$(CONFIG_ARCH_K3) += k3-j784s4-evm.dtb diff --git a/arch/arm64/boot/dts/ti/k3-j722s-evm.dts b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts new file mode 100644 index 000000000000..1cb29203a8ed --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-j722s-evm.dts @@ -0,0 +1,253 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree file for the J722S-EVM + * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/ + * + * Schematics: https://www.ti.com/lit/zip/sprr495 + */ + +/dts-v1/; + +#include "k3-j722s.dtsi" + +/ { + compatible = "ti,j722s-evm", "ti,j722s"; + model = "Texas Instruments J722S EVM"; + + aliases { + serial0 = &wkup_uart0; + serial2 = &main_uart0; + mmc0 = &sdhci0; + mmc1 = &sdhci1; + }; + + chosen { + stdout-path = &main_uart0; + }; + + memory@80000000 { + /* 8G RAM */ + reg = <0x00000000 0x80000000 0x00000000 0x80000000>, + <0x00000008 0x80000000 0x00000001 0x80000000>; + device_type = "memory"; + bootph-pre-ram; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + secure_tfa_ddr: tfa@9e780000 { + reg = <0x00 0x9e780000 0x00 0x80000>; + no-map; + }; + + secure_ddr: optee@9e800000 { + reg = <0x00 0x9e800000 0x00 0x01800000>; + no-map; + }; + + wkup_r5fss0_core0_memory_region: r5f-memory@a0100000 { + compatible = "shared-dma-pool"; + reg = <0x00 0xa0100000 0x00 0xf00000>; + 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; + bootph-all; + }; + + vsys_5v0: regulator-vsys5v0 { + /* Output of LM5140 */ + compatible = "regulator-fixed"; + regulator-name = "vsys_5v0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&vmain_pd>; + regulator-always-on; + regulator-boot-on; + }; + + vdd_mmc1: regulator-mmc1 { + /* TPS22918DBVR */ + compatible = "regulator-fixed"; + regulator-name = "vdd_mmc1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + gpio = <&exp1 15 GPIO_ACTIVE_HIGH>; + bootph-all; + }; + + vdd_sd_dv: regulator-TLV71033 { + compatible = "regulator-gpio"; + regulator-name = "tlv71033"; + pinctrl-names = "default"; + pinctrl-0 = <&vdd_sd_dv_pins_default>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + vin-supply = <&vsys_5v0>; + gpios = <&main_gpio0 70 GPIO_ACTIVE_HIGH>; + states = <1800000 0x0>, + <3300000 0x1>; + }; + + vsys_io_1v8: regulator-vsys-io-1v8 { + compatible = "regulator-fixed"; + regulator-name = "vsys_io_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + }; + + vsys_io_1v2: regulator-vsys-io-1v2 { + compatible = "regulator-fixed"; + regulator-name = "vsys_io_1v2"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + }; +}; + +&main_pmx0 { + bootph-all; + + main_i2c0_pins_default: main-i2c0-default-pins { + pinctrl-single,pins = < + J722S_IOPAD(0x01e0, PIN_INPUT_PULLUP, 0) /* (D23) I2C0_SCL */ + J722S_IOPAD(0x01e4, PIN_INPUT_PULLUP, 0) /* (B22) I2C0_SDA */ + >; + bootph-all; + }; + + main_uart0_pins_default: main-uart0-default-pins { + pinctrl-single,pins = < + J722S_IOPAD(0x1c8, PIN_INPUT, 0) /* (A22) UART0_RXD */ + J722S_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (B22) UART0_TXD */ + >; + bootph-all; + }; + + vdd_sd_dv_pins_default: vdd-sd-dv-default-pins { + pinctrl-single,pins = < + J722S_IOPAD(0x0120, PIN_INPUT, 7) /* (F27) MMC2_CMD.GPIO0_70 */ + >; + bootph-all; + }; + + main_mmc1_pins_default: main-mmc1-default-pins { + pinctrl-single,pins = < + J722S_IOPAD(0x023c, PIN_INPUT, 0) /* (H22) MMC1_CMD */ + J722S_IOPAD(0x0234, PIN_OUTPUT, 0) /* (H24) MMC1_CLK */ + J722S_IOPAD(0x0230, PIN_INPUT, 0) /* (H23) MMC1_DAT0 */ + J722S_IOPAD(0x022c, PIN_INPUT_PULLUP, 0) /* (H20) MMC1_DAT1 */ + J722S_IOPAD(0x0228, PIN_INPUT_PULLUP, 0) /* (J23) MMC1_DAT2 */ + J722S_IOPAD(0x0224, PIN_INPUT_PULLUP, 0) /* (H25) MMC1_DAT3 */ + J722S_IOPAD(0x0240, PIN_INPUT, 0) /* (B24) MMC1_SDCD */ + >; + bootph-all; + }; +}; + +&main_gpio1 { + status = "okay"; +}; + +&main_uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&main_uart0_pins_default>; + status = "okay"; + bootph-all; +}; + +&mcu_pmx0 { + bootph-all; + + wkup_uart0_pins_default: wkup-uart0-default-pins { + pinctrl-single,pins = < + J722S_MCU_IOPAD(0x02c, PIN_INPUT, 0) /* (C7) WKUP_UART0_CTSn */ + J722S_MCU_IOPAD(0x030, PIN_OUTPUT, 0) /* (C6) WKUP_UART0_RTSn */ + J722S_MCU_IOPAD(0x024, PIN_INPUT, 0) /* (D8) WKUP_UART0_RXD */ + J722S_MCU_IOPAD(0x028, PIN_OUTPUT, 0) /* (D7) WKUP_UART0_TXD */ + >; + bootph-all; + }; + + wkup_i2c0_pins_default: wkup-i2c0-default-pins { + pinctrl-single,pins = < + J722S_MCU_IOPAD(0x04c, PIN_INPUT_PULLUP, 0) /* (C7) WKUP_I2C0_SCL */ + J722S_MCU_IOPAD(0x050, PIN_INPUT_PULLUP, 0) /* (C6) WKUP_I2C1_SDA */ + >; + bootph-all; + }; +}; + +&wkup_uart0 { + /* WKUP UART0 is used by DM firmware */ + pinctrl-names = "default"; + pinctrl-0 = <&wkup_uart0_pins_default>; + status = "reserved"; + bootph-all; +}; + +&wkup_i2c0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&wkup_i2c0_pins_default>; + clock-frequency = <400000>; + bootph-all; +}; + +&main_i2c0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c0_pins_default>; + clock-frequency = <400000>; + bootph-all; + + exp1: gpio@23 { + compatible = "ti,tca6424"; + reg = <0x23>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "TRC_MUX_SEL", "OSPI/ONAND_MUX_SEL", + "MCASP1_FET_SEL", "CTRL_PM_I2C_OE#", + "CSI_VIO_SEL", "USB2.0_MUX_SEL", + "CSI01_MUX_SEL_2", "CSI23_MUX_SEL_2", + "LMK1_OE1", "LMK1_OE0", + "LMK2_OE0", "LMK2_OE1", + "GPIO_RGMII1_RST#", "GPIO_AUD_RSTn", + "GPIO_eMMC_RSTn", "GPIO_uSD_PWR_EN", + "USER_LED2", "MCAN0_STB", + "PCIe0_1L_RC_RSTz", "PCIe0_1L_PRSNT#", + "ENET1_EXP_SPARE2", "ENET1_EXP_PWRDN", + "PD_I2ENET1_I2CMUX_SELC_IRQ", "ENET1_EXP_RESETZ"; + }; +}; + +&sdhci1 { + /* SD/MMC */ + status = "okay"; + vmmc-supply = <&vdd_mmc1>; + vqmmc-supply = <&vdd_sd_dv>; + pinctrl-names = "default"; + pinctrl-0 = <&main_mmc1_pins_default>; + ti,driver-strength-ohm = <50>; + disable-wp; + no-1-8-v; + bootph-all; +}; -- 2.17.1
