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by fogwizard2
Tue Mar 17, 2015 5:13 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: STICKY: Optional interfaces (I2C, I2S, SPI) and Device Tree
Replies: 128
Views: 150947

Re: Optional interfaces (I2C, I2S, SPI) and Device Tree

1.I am sorry about the source code is belong to company and I don't know whether I can set free it in law.
2.Many Thanks.
by fogwizard2
Mon Mar 16, 2015 5:49 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: STICKY: Optional interfaces (I2C, I2S, SPI) and Device Tree
Replies: 128
Views: 150947

Re: Optional interfaces (I2C, I2S, SPI) and Device Tree

I have a try to use mainline linux on kernel.org.And I found it run.But I still not found the real reason.Here is my log use mainline kernel(3.19.1). I found network is not working use mainline kernel.I am try to get it work now.Thanks. 4.178915] mousedev: PS/2 mouse device common for all mice [ 4.1...
by fogwizard2
Mon Mar 16, 2015 5:30 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: STICKY: Optional interfaces (I2C, I2S, SPI) and Device Tree
Replies: 128
Views: 150947

Re: Optional interfaces (I2C, I2S, SPI) and Device Tree

1.The driver is in the input subsystem in driver/input/touchscreen/synaptics_dsx 2.The output is: [email protected]:~/raspberry/linux$ grep -nr "synaptics,dsx-i2c" . Binary file ./.tmp_vmlinux1 matches Binary file ./.tmp_vmlinux2 matches Binary file ./drivers/built-in.o matches Binary file ./driver...
by fogwizard2
Sun Mar 15, 2015 8:26 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: STICKY: Optional interfaces (I2C, I2S, SPI) and Device Tree
Replies: 128
Views: 150947

Re: Optional interfaces (I2C, I2S, SPI) and Device Tree

It is a i2c device. Here is my dts file about the device. [email protected] { compatible = "brcm,bcm2708-i2c"; reg = <0x7e804000 0x1000>; interrupts = <0x2 0x15>; clocks = <0x5>; #address-cells = <0x1>; #size-cells = <0x0>; pinctrl-names = "default"; pinctrl-0 = <0x7>; clock-frequency = <0x186a0>; linux,...
by fogwizard2
Sun Mar 15, 2015 5:02 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: STICKY: Optional interfaces (I2C, I2S, SPI) and Device Tree
Replies: 128
Views: 150947

Re: Optional interfaces (I2C, I2S, SPI) and Device Tree

I got a problem about devicetree.I have turn on the bcm2708 devicetree.And I have fix the config.txt to use devicetree.But the device in dts file is not to be register.And the node is visual in /proc/devicetree/ . What I should do?

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