This adds device tree with neccessary support to boot with functional
video (on both emulator and real N900 device).
Signed-off-by: Pavel Machek <pavel@xxxxxx>
--- linux-delme-clean//arch/arm/boot/dts/Makefile 2013-07-01 21:51:00.000000000 +0200
+++ linux-delme/arch/arm/boot/dts/Makefile 2013-07-01 22:53:06.000000000 +0200
@@ -141,6 +141,7 @@
omap3-devkit8000.dtb \
omap3-beagle-xm.dtb \
omap3-evm.dtb \
+ omap3-n900.dtb \
omap3-tobi.dtb \
omap3-igep0020.dtb \
omap3-igep0030.dtb \
--- linux-delme-clean//arch/arm/boot/dts/omap3-n900.dts 1970-01-01 01:00:00.000000000 +0100
+++ linux-delme/arch/arm/boot/dts/omap3-n900.dts 2013-07-01 22:50:21.000000000 +0200
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2013 Pavel Machek <pavel@xxxxxx>
+ * Copyright 2013 Aaro Koskinen <aaro.koskinen@xxxxxx>
+ *
+ * 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 neccessary 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>;
+ // turbo_mode = 0,
+ // cs_per_word = 0
+ };
+};
+
+/*
+&usb_otg_hs {
+ interface-type = <0>;
+ usb-phy = <&usb2_phy>;
+ mode = <2>;
+ power = <50>;
+};
+*/
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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