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linux_dsm_epyc7002/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
Imre Kaloz 2ff9ab4c7b ARM: mvebu: armada-xp-linksys-mamba: Disable internal RTC 
The Mamba (like the OpenBlocks AX3) doesn't have a crystal
connected to the internal RTC - let's prevent the kernel from
probing it.

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
Cc: <stable@vger.kernel.org> # v4.0 +
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2015-05-28 11:13:44 +02:00

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/*
* Device Tree file for the Linksys WRT1900AC (Mamba).
*
* Note: this board is shipped with a new generation boot loader that
* remaps internal registers at 0xf1000000. Therefore, if earlyprintk
* is used, the CONFIG_DEBUG_MVEBU_UART0_ALTERNATE option should be
* used.
*
* Copyright (C) 2014 Imre Kaloz <kaloz@openwrt.org>
*
* Based on armada-xp-axpwifiap.dts:
*
* Copyright (C) 2013 Marvell
*
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
*
* This file is dual-licensed: you can use it either under the terms
* of the GPL or the X11 license, at your option. Note that this dual
* licensing only applies to this file, and not this project as a
* whole.
*
* a) This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without
* any warranty of any kind, whether express or implied.
*
* Or, alternatively,
*
* b) Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "armada-xp-mv78230.dtsi"
/ {
model = "Linksys WRT1900AC";
compatible = "linksys,mamba", "marvell,armadaxp-mv78230",
"marvell,armadaxp", "marvell,armada-370-xp";
chosen {
bootargs = "console=ttyS0,115200";
stdout-path = &uart0;
};
memory {
device_type = "memory";
reg = <0x00000000 0x00000000 0x00000000 0x10000000>; /* 256MB */
};
soc {
ranges = <MBUS_ID(0xf0, 0x01) 0 0 0xf1000000 0x100000
MBUS_ID(0x01, 0x1d) 0 0 0xfff00000 0x100000>;
pcie-controller {
status = "okay";
/* Etron EJ168 USB 3.0 controller */
pcie@1,0 {
/* Port 0, Lane 0 */
status = "okay";
};
/* First mini-PCIe port */
pcie@2,0 {
/* Port 0, Lane 1 */
status = "okay";
};
/* Second mini-PCIe port */
pcie@3,0 {
/* Port 0, Lane 3 */
status = "okay";
};
};
internal-regs {
rtc@10300 {
/* No crystal connected to the internal RTC */
status = "disabled";
};
/* J10: VCC, NC, RX, NC, TX, GND */
serial@12000 {
status = "okay";
};
sata@a0000 {
nr-ports = <1>;
status = "okay";
};
ethernet@70000 {
pinctrl-0 = <&ge0_rgmii_pins>;
pinctrl-names = "default";
status = "okay";
phy-mode = "rgmii-id";
fixed-link {
speed = <1000>;
full-duplex;
};
};
ethernet@74000 {
pinctrl-0 = <&ge1_rgmii_pins>;
pinctrl-names = "default";
status = "okay";
phy-mode = "rgmii-id";
fixed-link {
speed = <1000>;
full-duplex;
};
};
/* USB part of the eSATA/USB 2.0 port */
usb@50000 {
status = "okay";
};
i2c@11000 {
status = "okay";
clock-frequency = <100000>;
tmp421@4c {
compatible = "ti,tmp421";
reg = <0x4c>;
};
tlc59116@68 {
#address-cells = <1>;
#size-cells = <0>;
#gpio-cells = <2>;
compatible = "ti,tlc59116";
reg = <0x68>;
wan_amber@0 {
label = "mamba:amber:wan";
reg = <0x0>;
};
wan_white@1 {
label = "mamba:white:wan";
reg = <0x1>;
};
wlan_2g@2 {
label = "mamba:white:wlan_2g";
reg = <0x2>;
};
wlan_5g@3 {
label = "mamba:white:wlan_5g";
reg = <0x3>;
};
esata@4 {
label = "mamba:white:esata";
reg = <0x4>;
};
usb2@5 {
label = "mamba:white:usb2";
reg = <0x5>;
};
usb3_1@6 {
label = "mamba:white:usb3_1";
reg = <0x6>;
};
usb3_2@7 {
label = "mamba:white:usb3_2";
reg = <0x7>;
};
wps_white@8 {
label = "mamba:white:wps";
reg = <0x8>;
};
wps_amber@9 {
label = "mamba:amber:wps";
reg = <0x9>;
};
};
};
nand@d0000 {
status = "okay";
num-cs = <1>;
marvell,nand-keep-config;
marvell,nand-enable-arbiter;
nand-on-flash-bbt;
nand-ecc-strength = <4>;
nand-ecc-step-size = <512>;
partition@0 {
label = "u-boot";
reg = <0x0000000 0x100000>; /* 1MB */
read-only;
};
partition@100000 {
label = "u_env";
reg = <0x100000 0x40000>; /* 256KB */
};
partition@140000 {
label = "s_env";
reg = <0x140000 0x40000>; /* 256KB */
};
partition@900000 {
label = "devinfo";
reg = <0x900000 0x100000>; /* 1MB */
read-only;
};
/* kernel1 overlaps with rootfs1 by design */
partition@a00000 {
label = "kernel1";
reg = <0xa00000 0x2800000>; /* 40MB */
};
partition@d00000 {
label = "rootfs1";
reg = <0xd00000 0x2500000>; /* 37MB */
};
/* kernel2 overlaps with rootfs2 by design */
partition@3200000 {
label = "kernel2";
reg = <0x3200000 0x2800000>; /* 40MB */
};
partition@3500000 {
label = "rootfs2";
reg = <0x3500000 0x2500000>; /* 37MB */
};
/*
* 38MB, last MB is for the BBT, not writable
*/
partition@5a00000 {
label = "syscfg";
reg = <0x5a00000 0x2600000>;
};
/*
* Unused area between "s_env" and "devinfo".
* Moved here because otherwise the renumbered
* partitions would break the bootloader
* supplied bootargs
*/
partition@180000 {
label = "unused_area";
reg = <0x180000 0x780000>; /* 7.5MB */
};
};
spi0: spi@10600 {
status = "okay";
spi-flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "everspin,mr25h256";
reg = <0>; /* Chip select 0 */
spi-max-frequency = <40000000>;
};
};
};
};
gpio_keys {
compatible = "gpio-keys";
#address-cells = <1>;
#size-cells = <0>;
pinctrl-0 = <&keys_pin>;
pinctrl-names = "default";
button@1 {
label = "WPS";
linux,code = <KEY_WPS_BUTTON>;
gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
};
button@2 {
label = "Factory Reset Button";
linux,code = <KEY_RESTART>;
gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
};
};
gpio-leds {
compatible = "gpio-leds";
pinctrl-0 = <&power_led_pin>;
pinctrl-names = "default";
power {
label = "mamba:white:power";
gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
};
gpio_fan {
/* SUNON HA4010V4-0000-C99 */
compatible = "gpio-fan";
gpios = <&gpio0 24 0>;
gpio-fan,speed-map = <0 0
4500 1>;
};
dsa@0 {
compatible = "marvell,dsa";
#address-cells = <2>;
#size-cells = <0>;
dsa,ethernet = <&eth0>;
dsa,mii-bus = <&mdio>;
switch@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x0 0>; /* MDIO address 0, switch 0 in tree */
port@0 {
reg = <0>;
label = "lan4";
};
port@1 {
reg = <1>;
label = "lan3";
};
port@2 {
reg = <2>;
label = "lan2";
};
port@3 {
reg = <3>;
label = "lan1";
};
port@4 {
reg = <4>;
label = "internet";
};
port@5 {
reg = <5>;
label = "cpu";
};
};
};
};
&pinctrl {
keys_pin: keys-pin {
marvell,pins = "mpp32", "mpp33";
marvell,function = "gpio";
};
power_led_pin: power-led-pin {
marvell,pins = "mpp40";
marvell,function = "gpio";
};
gpio_fan_pin: gpio-fan-pin {
marvell,pins = "mpp24";
marvell,function = "gpio";
};
};
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