On 08/02/2022 14:18, Vignesh Raghavendra wrote: > From: Nishanth Menon <nm@xxxxxx> > > AM62 StarterKit (SK) board is a low cost, small form factor board > designed for TI’s AM625 SoC. It supports the following interfaces: > * 2 GB DDR4 RAM > * x2 Gigabit Ethernet interfaces capable of working in Switch and MAC mode > * x1 HDMI Port with audio + x1 OLDI/LVDS Display interface for Dual Display > * x1 Headphone Jack > * x1 USB2.0 Hub with two Type A host and x1 USB Type-C DRP Port > * x1 UHS-1 capable µSD card slot > * 2.4/5 GHz WLAN + Bluetooth 4.2 through WL1837 > * 512 Mbit OSPI flash > * x4 UART through UART-USB bridge > * XDS110 for onboard JTAG debug using USB > * Temperature sensors, user push buttons and LEDs > * 40-pin User Expansion Connector > * 24-pin header for peripherals in MCU island (I2C, UART, SPI, IO) > * 20-pin header for Programmable Realtime Unit (PRU) IO pins > * 15-pin CSI header > > Add basic support for AM62-SK. > > Schematics: https://www.ti.com/lit/zip/sprr448 > > Signed-off-by: Nishanth Menon <nm@xxxxxx> > Signed-off-by: Vignesh Raghavendra <vigneshr@xxxxxx> > --- > arch/arm64/boot/dts/ti/Makefile | 2 + > arch/arm64/boot/dts/ti/k3-am625-sk.dts | 206 +++++++++++++++++++++++++ > 2 files changed, 208 insertions(+) > create mode 100644 arch/arm64/boot/dts/ti/k3-am625-sk.dts > > diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile > index 90be511bc4d0..02e5d80344d0 100644 > --- a/arch/arm64/boot/dts/ti/Makefile > +++ b/arch/arm64/boot/dts/ti/Makefile > @@ -21,3 +21,5 @@ dtb-$(CONFIG_ARCH_K3) += k3-j721s2-common-proc-board.dtb > > dtb-$(CONFIG_ARCH_K3) += k3-am642-evm.dtb > dtb-$(CONFIG_ARCH_K3) += k3-am642-sk.dtb > + > +dtb-$(CONFIG_ARCH_K3) += k3-am625-sk.dtb > diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts > new file mode 100644 > index 000000000000..9a6ff601f44d > --- /dev/null > +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts > @@ -0,0 +1,206 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * AM625 SK: https://www.ti.com/lit/zip/sprr448 > + * > + * Copyright (C) 2021-2022 Texas Instruments Incorporated - https://www.ti.com/ > + */ > + > +/dts-v1/; > + > +#include <dt-bindings/leds/common.h> > +#include <dt-bindings/gpio/gpio.h> > +#include "k3-am625.dtsi" > + > +/ { > + compatible = "ti,am625-sk", "ti,am625"; > + model = "Texas Instruments AM625 SK"; > + > + aliases { > + serial2 = &main_uart0; > + }; > + > + chosen { > + stdout-path = "serial2:115200n8"; > + bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; > + }; > + > + memory@80000000 { > + device_type = "memory"; > + /* 2G RAM */ > + reg = <0x00000000 0x80000000 0x00000000 0x80000000>; > + > + }; > + > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + secure_tfa_ddr: tfa@9e780000 { > + reg = <0x00 0x9e780000 0x00 0x80000>; > + alignment = <0x1000>; > + no-map; > + }; > + > + secure_ddr: optee@9e800000 { > + reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */ > + alignment = <0x1000>; > + no-map; > + }; > + > + wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@a0000000 { > + compatible = "shared-dma-pool"; > + reg = <0x00 0xa0000000 0x00 0x200000>; > + no-map; > + }; > + }; > + > + vmain_pd: fixed-regulator-vmain-pd { > + /* 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; > + }; > + > + vcc_5v0: fixedregulator-vcc5v0 { > + /* Output of LM34936 */ > + compatible = "regulator-fixed"; > + regulator-name = "vcc_5v0"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + vin-supply = <&vmain_pd>; > + regulator-always-on; > + regulator-boot-on; > + }; > + > + vcc_3v3_sys: fixedregulator-vcc-3v3-sys { Generic node names (as in DT spec), so regulator-[0-9]. The label and regulator-name property describe it's user-friendly purpose. > + /* 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; > + }; > + > + leds { > + compatible = "gpio-leds"; > + pinctrl-names = "default"; > + pinctrl-0 = <&usr_led_pins_default>; > + > + led-0 { Best regards, Krzysztof
