ARM: dts: Add support for the Overo Chestnut43

Chestnut43 is an expansion board for Gumstix Overo products.

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Tony Lindgren <tony@atomide.com>

4 files changed, 147 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index de5cfcc45cc9..7742e6919133 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -211,6 +211,8 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
         omap3-n950.dtb \
         omap3-overo-alto35.dtb \
         omap3-overo-storm-alto35.dtb \
+        omap3-overo-chestnut43.dtb \
+        omap3-overo-storm-chestnut43.dtb \
         omap3-overo-gallop43.dtb \
         omap3-overo-storm-gallop43.dtb \
         omap3-overo-palo43.dtb \
diff --git a/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi b/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi
new file mode 100644
index 000000000000..19de6ff79686
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-overo-chestnut43-common.dtsi
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Chestnut43 expansion board is manufactured by Gumstix Inc.
+ */
+
+#include "omap3-overo-common-peripherals.dtsi"
+
+#include <dt-bindings/input/input.h>
+
+/ {
+        leds {
+                compatible = "gpio-leds";
+                pinctrl-names = "default";
+                pinctrl-0 = <&led_pins>;
+                heartbeat {
+                        label = "overo:red:gpio21";
+                        gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;            /* gpio_21 */
+                        linux,default-trigger = "heartbeat";
+                };
+                gpio22 {
+                        label = "overo:blue:gpio22";
+                        gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;            /* gpio_22 */
+                };
+        };
+
+        gpio_keys {
+                compatible = "gpio-keys";
+                pinctrl-names = "default";
+                pinctrl-0 = <&button_pins>;
+                #address-cells = <1>;
+                #size-cells = <0>;
+                button0@23 {
+                        label = "button0";
+                        linux,code = <BTN_0>;
+                        gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;            /* gpio_23 */
+                        gpio-key,wakeup;
+                };
+                button1@14 {
+                        label = "button1";
+                        linux,code = <BTN_1>;
+                        gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;            /* gpio_14 */
+                        gpio-key,wakeup;
+                };
+        };
+};
+
+#include "omap-gpmc-smsc9221.dtsi"
+
+&gpmc {
+        ranges = <5 0 0x2c000000 0x1000000>;    /* CS5 */
+
+        ethernet@gpmc {
+                reg = <5 0 0xff>;
+                interrupt-parent = <&gpio6>;
+                interrupts = <16 IRQ_TYPE_LEVEL_LOW>;   /* GPIO 176 */
+        };
+};
+
+&lis33de {
+        status = "disabled";
+};
+
diff --git a/arch/arm/boot/dts/omap3-overo-chestnut43.dts b/arch/arm/boot/dts/omap3-overo-chestnut43.dts
new file mode 100644
index 000000000000..fe0824aca3c0
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-overo-chestnut43.dts
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Chestnut43 expansion board is manufactured by Gumstix Inc.
+ */
+
+/dts-v1/;
+
+#include "omap3-overo.dtsi"
+#include "omap3-overo-chestnut43-common.dtsi"
+
+/ {
+        model = "OMAP35xx Gumstix Overo on Chestnut43";
+        compatible = "gumstix,omap3-overo-chestnut43", "gumstix,omap3-overo", "ti,omap3430", "ti,omap3";
+};
+
+&omap3_pmx_core2 {
+        led_pins: pinmux_led_pins {
+                pinctrl-single,pins = <
+                        OMAP3430_CORE2_IOPAD(0x25ea, PIN_OUTPUT | MUX_MODE4)    /* etk_d7.gpio_21 */
+                        OMAP3430_CORE2_IOPAD(0x25ec, PIN_OUTPUT | MUX_MODE4)    /* etk_d8.gpio_22 */
+                >;
+        };
+
+        button_pins: pinmux_button_pins {
+                pinctrl-single,pins = <
+                        OMAP3430_CORE2_IOPAD(0x25ee, PIN_INPUT | MUX_MODE4)     /* etk_d9.gpio_23 */
+                        OMAP3430_CORE2_IOPAD(0x25dc, PIN_INPUT | MUX_MODE4)     /* etk_d0.gpio_14 */
+                >;
+        };
+};
+
diff --git a/arch/arm/boot/dts/omap3-overo-storm-chestnut43.dts b/arch/arm/boot/dts/omap3-overo-storm-chestnut43.dts
new file mode 100644
index 000000000000..7d82fdfd9909
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-overo-storm-chestnut43.dts
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2014 Florian Vaussard, EPFL Mobots group
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Chestnut43 expansion board is manufactured by Gumstix Inc.
+ */
+
+/dts-v1/;
+
+#include "omap3-overo-storm.dtsi"
+#include "omap3-overo-chestnut43-common.dtsi"
+
+/ {
+        model = "OMAP36xx/AM37xx/DM37xx Gumstix Overo on Chestnut43";
+        compatible = "gumstix,omap3-overo-chestnut43", "gumstix,omap3-overo", "ti,omap36xx", "ti,omap3";
+};
+
+&omap3_pmx_core2 {
+        led_pins: pinmux_led_pins {
+                pinctrl-single,pins = <
+                        OMAP3630_CORE2_IOPAD(0x25ea, PIN_OUTPUT | MUX_MODE4)    /* etk_d7.gpio_21 */
+                        OMAP3630_CORE2_IOPAD(0x25ec, PIN_OUTPUT | MUX_MODE4)    /* etk_d8.gpio_22 */
+                >;
+        };
+
+        button_pins: pinmux_button_pins {
+                pinctrl-single,pins = <
+                        OMAP3630_CORE2_IOPAD(0x25ee, PIN_INPUT | MUX_MODE4)     /* etk_d9.gpio_23 */
+                        OMAP3630_CORE2_IOPAD(0x25dc, PIN_INPUT | MUX_MODE4)     /* etk_d0.gpio_14 */
+                >;
+        };
+};
+