On 12/01/23 19:57, Apurva Nandan wrote: > 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"; Reviewed-by: Vaishnav Achath <vaishnav.a@xxxxxx> Also, boot logs during my testing of the latest series on J784S4 EVM : https://gist.github.com/vaishnavachath/2b845d82a3fd44ca70565f6337b0e5ab > +}; -- Regards, Vaishnav
