[PATCHv2] mvebu: add Linksys WRT1900AC (Mamba) support
Imre Kaloz
kaloz at openwrt.org
Mon Jan 19 09:15:01 PST 2015
The Linksys WRT1900AC (Mamba) is a router that has
- 2 mini-PCIe slots with Marvell 88W8864 radios
- 1 USB 3.0 port
- 1 USB 2.0/eSATAp port
- 2 Ethernet interfaces connected to a 88E6172 switch (1x WAN + 4x LAN)
- 128MB NAND flash
- 256MB RAM
Signed-off-by: Imre Kaloz <kaloz at openwrt.org>
---
Changes since v1:
* add dual license
* lower SPI speed to meet the chip's maximum
* pinctrl cleanups based on Andrew Lunn's suggestions
---
arch/arm/boot/dts/armada-xp-mamba.dts | 273 ++++++++++++++++++++++++++++++++++
1 file changed, 273 insertions(+)
create mode 100644 arch/arm/boot/dts/armada-xp-mamba.dts
diff --git a/arch/arm/boot/dts/armada-xp-mamba.dts b/arch/arm/boot/dts/armada-xp-mamba.dts
new file mode 100644
index 0000000..e368d18
--- /dev/null
+++ b/arch/arm/boot/dts/armada-xp-mamba.dts
@@ -0,0 +1,273 @@
+/*
+ * 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_UART_ALTERNATE option should be
+ * used.
+ *
+ * Copyright (C) 2014 Imre Kaloz <kaloz at openwrt.org>
+ *
+ * Based on armada-xp-axpwifiap.dts:
+ *
+ * Copyright (C) 2013 Marvell
+ *
+ * Thomas Petazzoni <thomas.petazzoni at 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 (Mamba)";
+ 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 at 1,0 {
+ /* Port 0, Lane 0 */
+ status = "okay";
+ };
+
+ /* First mini-PCIe port */
+ pcie at 2,0 {
+ /* Port 0, Lane 1 */
+ status = "okay";
+ };
+
+ /* Second mini-PCIe port */
+ pcie at 3,0 {
+ /* Port 0, Lane 3 */
+ status = "okay";
+ };
+ };
+
+ internal-regs {
+ serial at 12000 {
+ status = "okay";
+ };
+
+ sata at a0000 {
+ nr-ports = <1>;
+ status = "okay";
+ };
+
+ ethernet at 70000 {
+ pinctrl-0 = <&ge0_rgmii_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+ phy-mode = "rgmii-id";
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+ };
+
+ ethernet at 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 at 50000 {
+ status = "okay";
+ };
+
+ i2c at 11000 {
+ status = "okay";
+ clock-frequency = <100000>;
+
+ tmp421 at 4c {
+ compatible = "ti,tmp421";
+ reg = <0x4c>;
+ };
+ };
+
+ nand at 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 at 0 {
+ label = "u-boot";
+ reg = <0x0000000 0x100000>; /* 1MB */
+ read-only;
+ };
+
+ partition at 100000 {
+ label = "u_env";
+ reg = <0x100000 0x40000>; /* 256KB */
+ };
+
+ partition at 140000 {
+ label = "s_env";
+ reg = <0x140000 0x40000>; /* 256KB */
+ };
+
+ partition at 900000 {
+ label = "devinfo";
+ reg = <0x900000 0x100000>; /* 1MB */
+ read-only;
+ };
+
+ partition at a00000 {
+ label = "kernel1";
+ reg = <0xa00000 0x2800000>; /* 3MB + rootfs1 */
+ };
+
+ partition at d00000 {
+ label = "rootfs1";
+ reg = <0xd00000 0x2500000>; /* 37MB */
+ };
+
+ partition at 3200000 {
+ label = "kernel2";
+ reg = <0x3200000 0x2800000>; /* 3MB + rootfs2 */
+ };
+
+ partition at 3500000 {
+ label = "rootfs2";
+ reg = <0x3500000 0x2500000>; /* 37MB */
+ };
+
+ /* Last MB is for the BBT, i.e. not writable */
+ partition at 5a00000 {
+ label = "syscfg";
+ reg = <0x5a00000 0x2600000>; /* 38MB */
+ };
+ };
+
+ spi0: spi at 10600 {
+ status = "okay";
+
+ spi-flash at 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 at 1 {
+ label = "WPS";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+ };
+
+ button at 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>;
+ };
+};
+
+&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";
+ };
+};
--
2.1.0
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