Subject: [PATCH] ARM: dts: sun7i: Add Goodix GT911 nodes for Wexler TAB7200

From: [email-masked] (Maxime Ripard)
Date: Thu, 2 Apr 2015 11:22:59 +0200

On Tue, Mar 31, 2015 at 10:14:20PM +0300, Aleksei Mamlin wrote:
> On Tue, 31 Mar 2015 07:43:38 -0700
> Maxime Ripard <[email-masked]> wrote:
> 
> > Hi,
> > 
> > On Tue, Mar 31, 2015 at 11:18:17AM +0300, Aleksei Mamlin wrote:
> > > This patch adds nodes for the Goodix GT911 touchscreen controller found
> > > on the Wexler TAB7200 tablet. Controller uses one of following I2C
> > > addresses: 0x5d or 0x14, so just add two nodes.
> > 
> > In which case are these different addresses encountered? Different
> > revisions of the same board?
>
> According to the datasheet it is a feature of the controller. 
> The address(0x5d or 0x14) can be configured using a reset sequence,
> which has not yet been implemented in the driver.

Which address is set up by the bootloader then?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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