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ARM: Kirkwood: topkick: Enable i2c bus.

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Add a DT node for I2C and pinctrl hog for the pins. There appears to
be an i2c bus on topkick with a device on it:

i2cdetect 0
WARNING! This program can confuse your I2C bus, cause data loss and worse!
I will probe file /dev/i2c-0.
I will probe address range 0x03-0x77.
Continue? [Y/n] y
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- 64 -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Andrew Lunn 2013-01-26 20:50:12 +00:00 • committed by Arnd Bergmann
parent 15989543d4
commit 44d032e794
1 changed files with 6 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

7
arch/arm/boot/dts/kirkwood-topkick.dts
View file

@ -52,7 +52,8 @@
&pmx_sw_left2 &pmx_sw_left2
&pmx_led_wifi_yellow &pmx_led_wifi_yellow
&pmx_uart0 &pmx_uart0
&pmx_nand >; &pmx_nand
&pmx_twsi0 >;
pinctrl-names = "default"; pinctrl-names = "default";
pmx_led_disk_yellow: pmx-led-disk-yellow { pmx_led_disk_yellow: pmx-led-disk-yellow {
@ -144,6 +145,10 @@
status = "okay"; status = "okay";
nr-ports = <1>; nr-ports = <1>;
}; };
i2c@11000 {
status = "ok";
};
}; };
gpio-leds { gpio-leds {