Commit 044393a7 authored by Lubomir Rintel's avatar Lubomir Rintel Committed by Olof Johansson
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ARM: dts: mmp3: add Dell Wyse 3020 machine 

This is a Dell Wyse thin client, variously referred to as "Ariel",
"3020" or "Tx0D" where "x" stands for the software it was shipped with.
I somewhat arbitrarily chose "ariel".

There are bits missing, because the drivers are not in and bindings are not
settled yet:

* Things missing from mmp3.dtsi:
  HSIC controller and its PHY (only the internal Ethernet is connected
  here, the hub with external USB2 ports is connected to the U2O controller
  that works well), Vivante GC2000 GPU

* &twsi1/regulator@19
  Marvell 88pm867 power regulator

* &twsi3/vga-dvi-encoder@76
  Chrontel CH7033B-BF VGA & DVI encoder

* &twsi3/sound-codec@30
  Sound chip, probably a Marvell 88ce156

* &twsi4/embedded-controller@58
  ENE KB3930QF Embedded Controller, also seems to be connected to &ssp4.
  Might not need a driver -- about the only useful thing it can do is to
  reboot the machine when tickled via some GPIO lines.

Also there seems to be something at &twsi1 address 0x50.

Link: https://lore.kernel.org/r/20191022152837.3553524-1-lkundrak@v3.sk


Signed-off-by: default avatarLubomir Rintel <lkundrak@v3.sk>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent a9d21d15

arch/arm/boot/dts/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -337,7 +337,8 @@ dtb-$(CONFIG_ARCH_MMP) += \ 
	pxa168-aspenite.dtb \

	pxa910-dkb.dtb \

	mmp2-brownstone.dtb \

	mmp2-olpc-xo-1-75.dtb

	mmp2-olpc-xo-1-75.dtb \

	mmp3-dell-ariel.dtb

dtb-$(CONFIG_ARCH_MPS2) += \

	mps2-an385.dtb \

	mps2-an399.dtb

arch/arm/boot/dts/mmp3-dell-ariel.dts

0 → 100644
+90 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT

/*

 * Dell Wyse 3020 a.k.a. "Ariel" a.k.a. Tx0D (T00D, T10D)

 *

 * Copyright (C) 2019 Lubomir Rintel <lkundrak@v3.sk>

 */



/dts-v1/;

#include "mmp3.dtsi"

#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/interrupt-controller/irq.h>



/ {

	model = "Dell Ariel";

	compatible = "dell,wyse-ariel", "marvell,mmp3";



	chosen {

		#address-cells = <0x1>;

		#size-cells = <0x1>;

		ranges;

		bootargs = "earlyprintk=ttyS2,115200 console=ttyS2,115200";

	};



	memory {

		linux,usable-memory = <0x0 0x7f600000>;

		available = <0x7f700000 0x7ff00000 0x00000000 0x7f600000>;

		reg = <0x0 0x80000000>;

		device_type = "memory";

	};

};



&uart3 {

	status = "okay";

};



&rtc {

	status = "okay";

};



&usb_otg0 {

	status = "okay";

};



&usb_otg_phy0 {

	status = "okay";

};



&mmc3 {

	status = "okay";

	max-frequency = <50000000>;

	status = "okay";

	bus-width = <8>;

	non-removable;

	cap-mmc-highspeed;

};



&twsi1 {

	status = "okay";



	rtc@68 {

		compatible = "dallas,ds1338";

		reg = <0x68>;

		status = "okay";

	};

};



&twsi3 {

	status = "okay";

};



&twsi4 {

	status = "okay";

};



&ssp3 {

	status = "okay";

	cs-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;



	firmware-flash@0 {

		compatible = "st,m25p80", "jedec,spi-nor";

		reg = <0>;

		spi-max-frequency = <40000000>;

		m25p,fast-read;

	};

};



&ssp4 {

	cs-gpios = <&gpio 56 GPIO_ACTIVE_HIGH>;

	status = "okay";

};

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