J784S4 EVM board is designed for TI J784S4 SoC. It supports the following interfaces: * 32 GB DDR4 RAM * x2 Gigabit Ethernet interfaces capable of working in Switch and MAC mode * x1 Input Audio Jack, x1 Output Audio Jack * x1 USB2.0 Hub with two Type A host and x1 USB 3.1 Type-C Port * x2 4L PCIe connector * x1 UHS-1 capable micro-SD card slot * 512 Mbit OSPI flash, 1 Gbit Octal NAND flash, 512 Mbit QSPI flash, UFS flash. * x6 UART through UART-USB bridge * XDS110 for onboard JTAG debug using USB * Temperature sensors, user push buttons and LEDs * 40-pin User Expansion Connector * x2 ENET Expansion Connector, x1 GESI expander, x2 Display connector * x1 15-pin CSI header * x6 MCAN instances Add basic support for J784S4-EVM. Schematics: https://www.ti.com/lit/zip/sprr458 Signed-off-by: Hari Nagalla <hnagalla@xxxxxx> Signed-off-by: Nishanth Menon <nm@xxxxxx> Signed-off-by: Apurva Nandan <a-nandan@xxxxxx> Tested-by: Manorit Chawdhry <m-chawdhry@xxxxxx> --- arch/arm64/boot/dts/ti/Makefile | 2 + arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 196 +++++++++++++++++++++++ 2 files changed, 198 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-j784s4-evm.dts diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index cf7c509538a4..27b2e1f5555e 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -20,6 +20,8 @@ dtb-$(CONFIG_ARCH_K3) += k3-j7200-common-proc-board.dtb dtb-$(CONFIG_ARCH_K3) += k3-j721s2-common-proc-board.dtb +dtb-$(CONFIG_ARCH_K3) += k3-j784s4-evm.dtb + dtb-$(CONFIG_ARCH_K3) += k3-am642-evm.dtb dtb-$(CONFIG_ARCH_K3) += k3-am642-sk.dtb diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts new file mode 100644 index 000000000000..8cd4a7ecc121 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts @@ -0,0 +1,196 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ + * + * EVM Board Schematics: https://www.ti.com/lit/zip/sprr458 + */ + +/dts-v1/; + +#include <dt-bindings/net/ti-dp83867.h> +#include <dt-bindings/gpio/gpio.h> +#include "k3-j784s4.dtsi" + +/ { + compatible = "ti,j784s4-evm", "ti,j784s4"; + model = "Texas Instruments J784S4 EVM"; + + chosen { + stdout-path = "serial2:115200n8"; + }; + + aliases { + serial2 = &main_uart8; + mmc1 = &main_sdhci1; + i2c0 = &main_i2c0; + }; + + memory@80000000 { + device_type = "memory"; + /* 32G RAM */ + reg = <0x00 0x80000000 0x00 0x80000000>, + <0x08 0x80000000 0x07 0x80000000>; + }; + + reserved_memory: reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + secure_ddr: optee@9e800000 { + reg = <0x00 0x9e800000 0x00 0x01800000>; + no-map; + }; + }; + + evm_12v0: regulator-evm12v0 { + /* main supply */ + compatible = "regulator-fixed"; + regulator-name = "evm_12v0"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + regulator-always-on; + regulator-boot-on; + }; + + vsys_3v3: regulator-vsys3v3 { + /* Output of LM5140 */ + compatible = "regulator-fixed"; + regulator-name = "vsys_3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&evm_12v0>; + regulator-always-on; + regulator-boot-on; + }; + + vsys_5v0: regulator-vsys5v0 { + /* Output of LM5140 */ + compatible = "regulator-fixed"; + regulator-name = "vsys_5v0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&evm_12v0>; + regulator-always-on; + regulator-boot-on; + }; + + vdd_mmc1: regulator-sd { + /* Output of TPS22918 */ + compatible = "regulator-fixed"; + regulator-name = "vdd_mmc1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + vin-supply = <&vsys_3v3>; + gpio = <&exp2 2 GPIO_ACTIVE_HIGH>; + }; + + vdd_sd_dv: regulator-TLV71033 { + /* Output of 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 8 GPIO_ACTIVE_HIGH>; + states = <1800000 0x0>, + <3300000 0x1>; + }; +}; + +&main_pmx0 { + main_uart8_pins_default: main-uart8-pins-default { + pinctrl-single,pins = < + J784S4_IOPAD(0x040, PIN_INPUT, 14) /* (AF37) MCASP0_AXR0.UART8_CTSn */ + J784S4_IOPAD(0x044, PIN_OUTPUT, 14) /* (AG37) MCASP0_AXR1.UART8_RTSn */ + J784S4_IOPAD(0x0d0, PIN_INPUT, 11) /* (AP38) SPI0_CS1.UART8_RXD */ + J784S4_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AN38) SPI0_CLK.UART8_TXD */ + >; + }; + + main_i2c0_pins_default: main-i2c0-pins-default { + pinctrl-single,pins = < + J784S4_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AN36) I2C0_SCL */ + J784S4_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AP37) I2C0_SDA */ + >; + }; + + main_mmc1_pins_default: main-mmc1-pins-default { + pinctrl-single,pins = < + J784S4_IOPAD(0x104, PIN_INPUT, 0) /* (AB38) MMC1_CLK */ + J784S4_IOPAD(0x108, PIN_INPUT, 0) /* (AB36) MMC1_CMD */ + J784S4_IOPAD(0x100, PIN_INPUT, 0) /* (No Pin) MMC1_CLKLB */ + J784S4_IOPAD(0x0fc, PIN_INPUT, 0) /* (AA33) MMC1_DAT0 */ + J784S4_IOPAD(0x0f8, PIN_INPUT, 0) /* (AB34) MMC1_DAT1 */ + J784S4_IOPAD(0x0f4, PIN_INPUT, 0) /* (AA32) MMC1_DAT2 */ + J784S4_IOPAD(0x0f0, PIN_INPUT, 0) /* (AC38) MMC1_DAT3 */ + J784S4_IOPAD(0x0e8, PIN_INPUT, 8) /* (AR38) TIMER_IO0.MMC1_SDCD */ + >; + }; + + vdd_sd_dv_pins_default: vdd-sd-dv-pins-default { + pinctrl-single,pins = < + J784S4_IOPAD(0x020, PIN_INPUT, 7) /* (AJ35) MCAN15_RX.GPIO0_8 */ + >; + }; +}; + +&main_uart8 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&main_uart8_pins_default>; +}; + +&main_i2c0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c0_pins_default>; + + clock-frequency = <400000>; + + exp1: gpio@20 { + compatible = "ti,tca6416"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "PCIE1_2L_MODE_SEL", "PCIE1_4L_PERSTZ", "PCIE1_2L_RC_RSTZ", + "PCIE1_2L_EP_RST_EN", "PCIE0_4L_MODE_SEL", "PCIE0_4L_PERSTZ", + "PCIE0_4L_RC_RSTZ", "PCIE0_4L_EP_RST_EN", "PCIE1_4L_PRSNT#", + "PCIE0_4L_PRSNT#", "CDCI1_OE1/OE4", "CDCI1_OE2/OE3", + "AUDIO_MUX_SEL", "EXP_MUX2", "EXP_MUX3", "GESI_EXP_PHY_RSTZ"; + }; + + exp2: gpio@22 { + compatible = "ti,tca6424"; + reg = <0x22>; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "R_GPIO_RGMII1_RST", "ENET2_I2CMUX_SEL", "GPIO_USD_PWR_EN", + "USBC_PWR_EN", "USBC_MODE_SEL1", "USBC_MODE_SEL0", + "GPIO_LIN_EN", "R_CAN_STB", "CTRL_PM_I2C_OE#", + "ENET2_EXP_PWRDN", "ENET2_EXP_SPARE2", "CDCI2_RSTZ", + "USB2.0_MUX_SEL", "CANUART_MUX_SEL0", "CANUART_MUX2_SEL1", + "CANUART_MUX1_SEL1", "ENET1_EXP_PWRDN", "ENET1_EXP_RESETZ", + "ENET1_I2CMUX_SEL", "ENET1_EXP_SPARE2", "ENET2_EXP_RESETZ", + "USER_INPUT1", "USER_LED1", "USER_LED2"; + }; +}; + +&main_sdhci1 { + /* SD card */ + status = "okay"; + pinctrl-0 = <&main_mmc1_pins_default>; + pinctrl-names = "default"; + disable-wp; + vmmc-supply = <&vdd_mmc1>; + vqmmc-supply = <&vdd_sd_dv>; +}; + +&main_gpio0 { + status = "okay"; +}; -- 2.34.1
