On 19/08/2022 22:00, 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 Use subject perfixes matching the subsystem (git log --oneline -- ...). For example: arm64: dts: ti: > > Signed-off-by: Hari Nagalla <hnagalla@xxxxxx> > Signed-off-by: Apurva Nandan <a-nandan@xxxxxx> > Signed-off-by: Nishanth Menon <nm@xxxxxx> > Signed-off-by: Matt Ranostay <mranostay@xxxxxx> > Signed-off-by: Rahul T R <r-ravikumar@xxxxxx> > Signed-off-by: Suman Anna <s-anna@xxxxxx> > Signed-off-by: Pratyush Yadav <p.yadav@xxxxxx> > Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx> > --- > arch/arm64/boot/dts/ti/Makefile | 2 + > arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 602 +++++++++++++++++++++++ > 2 files changed, 604 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 02e5d80344d0..6381c458738a 100644 > --- a/arch/arm64/boot/dts/ti/Makefile > +++ b/arch/arm64/boot/dts/ti/Makefile > @@ -19,6 +19,8 @@ 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..7ca08e115e67 > --- /dev/null > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts > @@ -0,0 +1,602 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/ > + * > + * Common Processor Board: https://www.ti.com/tool/J721EXCPXEVM > + */ > + > +/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"; > + bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x2880000"; earlycon is not a property of hardware. Console is defined in stdout-path, so please drop entire bootargs. > + }; > + > + aliases { > + serial2 = &main_uart8; > + mmc0 = &main_sdhci0; > + mmc1 = &main_sdhci1; > + i2c0 = &main_i2c0; > + can0 = &mcu_mcan0; > + can1 = &mcu_mcan1; > + }; > + > + memory@80000000 { > + device_type = "memory"; > + /* 32G RAM */ > + reg = <0x00 0x80000000 0x00 0x80000000>, > + <0x08 0x80000000 0x07 0x80000000>; > + }; > + > + /* Reserving memory regions still pending */ > + reserved_memory: reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + secure_ddr: optee@9e800000 { > + reg = <0x00 0x9e800000 0x00 0x01800000>; > + alignment = <0x1000>; > + no-map; > + }; > + }; > + > + evm_12v0: fixedregulator-evm12v0 { Node name should be generic, so: 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: fixedregulator-vsys3v3 { ditto > + /* 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: fixedregulator-vsys5v0 { ditto > + /* 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: fixedregulator-sd { ditto > + /* 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: gpio-regulator-TLV71033 { ditto > + /* 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>; > + }; > + > + transceiver1: can-phy1 { > + compatible = "ti,tcan1042"; > + #phy-cells = <0>; > + max-bitrate = <5000000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&mcu_mcan0_gpio_pins_default>; > + standby-gpios = <&wkup_gpio0 69 GPIO_ACTIVE_HIGH>; > + }; > + > + transceiver2: can-phy2 { > + compatible = "ti,tcan1042"; > + #phy-cells = <0>; > + max-bitrate = <5000000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&mcu_mcan1_gpio_pins_default>; > + standby-gpios = <&wkup_gpio0 2 GPIO_ACTIVE_HIGH>; > + }; Best regards, Krzysztof
