ARM: dts: N900: Add device tree

This adds device tree with necessary support to boot with functional
video (on both emulator and real N900 device).

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 802720e3e8fd5c72004c14cce0bc572a0355356a..a7cae53714892eb3931c78ed2b437f2c64a1ecfa 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -172,6 +172,7 @@ dtb-$(CONFIG_ARCH_OMAP2PLUS) += omap2420-h4.dtb \
        omap3-devkit8000.dtb \
        omap3-beagle-xm.dtb \
        omap3-evm.dtb \
+       omap3-n900.dtb \
        omap3-tobi.dtb \
        omap3-igep0020.dtb \
        omap3-igep0030.dtb \

diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
new file mode 100644 (file)
index 0000000..d64fa04
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2013 Pavel Machek <pavel@ucw.cz>
+ * Copyright 2013 Aaro Koskinen <aaro.koskinen@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 (or later) as
+ * published by the Free Software Foundation.
+ */
+
+/dts-v1/;
+
+#include "omap34xx.dtsi"
+
+/ {
+       model = "Nokia N900";
+       compatible = "nokia,omap3-n900", "ti,omap3";
+
+       cpus {
+               cpu@0 {
+                       cpu0-supply = <&vcc>;
+               };
+       };
+
+       memory {
+               device_type = "memory";
+               reg = <0x80000000 0x10000000>; /* 256 MB */
+       };
+
+};
+
+&i2c1 {
+       clock-frequency = <2200000>;
+
+       twl: twl@48 {
+               reg = <0x48>;
+               interrupts = <7>; /* SYS_NIRQ cascaded to intc */
+               interrupt-parent = <&intc>;
+       };
+};
+
+#include "twl4030.dtsi"
+
+&twl_gpio {
+       ti,pullups      = <0x0>;
+       ti,pulldowns    = <0x03ff3f>; /* BIT(0..5) | BIT(8..17) */
+};
+
+&i2c2 {
+       clock-frequency = <400000>;
+};
+
+&i2c3 {
+       clock-frequency = <100000>;
+};
+
+&mmc1 {
+       status = "disabled";
+};
+
+&mmc2 {
+       status = "disabled";
+};
+
+&mmc3 {
+       status = "disabled";
+};
+
+&mcspi1 {
+       /*
+        * For some reason, touchscreen is necessary for screen to work at
+        * all on real hw. It works well without it on emulator.
+        *
+        * Also... order in the device tree actually matters here.
+        */
+       tsc2005@0 {
+               compatible = "tsc2005";
+               spi-max-frequency = <6000000>;
+               reg = <0>;
+       };
+       mipid@2 {
+               compatible = "acx565akm";
+               spi-max-frequency = <6000000>;
+               reg = <2>;
+       };
+};
+
+&usb_otg_hs {
+       interface-type = <0>;
+       usb-phy = <&usb2_phy>;
+       mode = <2>;
+       power = <50>;
+};