Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-09-17 Thread Archit Taneja
On 9/15/2015 9:13 PM, Rob Herring wrote: On 09/15/2015 05:32 AM, Archit Taneja wrote: Hi Rob, Mark, We've been trying to figure out the right way to represent a class of display encoder devices in DT. I've been meaning to reply on this. These devices have registers that are generally conf

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-09-15 Thread Rob Herring
On 09/15/2015 05:32 AM, Archit Taneja wrote: > Hi Rob, Mark, > > We've been trying to figure out the right way to represent a class > of display encoder devices in DT. I've been meaning to reply on this. > These devices have registers that are generally configured via i2c. Once > the device is c

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-09-15 Thread Archit Taneja
Hi Rob, Mark, We've been trying to figure out the right way to represent a class of display encoder devices in DT. These devices have registers that are generally configured via i2c. Once the device is configured, it takes in video data from the mipi dsi bus. Until now, all the devices we've

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-09-15 Thread Archit Taneja
Hi Rob, Mark, We've been trying to figure out the right way to represent a class of display encoder devices in DT. These devices have registers that are generally configured via i2c. Once the device is configured, it takes in video data from the mipi dsi bus. Until now, all the devices we've

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-09-10 Thread Thierry Reding
On Thu, Sep 10, 2015 at 11:45:35AM +0530, Archit Taneja wrote: > > > On 09/08/2015 03:57 PM, Andrzej Hajda wrote: > >On 09/07/2015 01:46 PM, Archit Taneja wrote: > >>Thierry, > >> > >>On 08/21/2015 11:39 AM, Archit Taneja wrote: > >>> > >>> > >>>On 08/20/2015 05:18 PM, Thierry Reding wrote: > >>>

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-09-09 Thread Archit Taneja
On 09/08/2015 03:57 PM, Andrzej Hajda wrote: On 09/07/2015 01:46 PM, Archit Taneja wrote: Thierry, On 08/21/2015 11:39 AM, Archit Taneja wrote: On 08/20/2015 05:18 PM, Thierry Reding wrote: On Thu, Aug 20, 2015 at 09:46:14AM +0530, Archit Taneja wrote: Hi Thierry, Lucas, On 08/19/2015

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-09-08 Thread Andrzej Hajda
On 09/07/2015 01:46 PM, Archit Taneja wrote: > Thierry, > > On 08/21/2015 11:39 AM, Archit Taneja wrote: >> >> >> On 08/20/2015 05:18 PM, Thierry Reding wrote: >>> On Thu, Aug 20, 2015 at 09:46:14AM +0530, Archit Taneja wrote: Hi Thierry, Lucas, On 08/19/2015 08:32 PM, Thierry

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-09-07 Thread Archit Taneja
Thierry, On 08/21/2015 11:39 AM, Archit Taneja wrote: On 08/20/2015 05:18 PM, Thierry Reding wrote: On Thu, Aug 20, 2015 at 09:46:14AM +0530, Archit Taneja wrote: Hi Thierry, Lucas, On 08/19/2015 08:32 PM, Thierry Reding wrote: On Wed, Aug 19, 2015 at 04:52:24PM +0200, Lucas Stach wrote:

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-20 Thread Archit Taneja
On 08/20/2015 05:18 PM, Thierry Reding wrote: On Thu, Aug 20, 2015 at 09:46:14AM +0530, Archit Taneja wrote: Hi Thierry, Lucas, On 08/19/2015 08:32 PM, Thierry Reding wrote: On Wed, Aug 19, 2015 at 04:52:24PM +0200, Lucas Stach wrote: Am Mittwoch, den 19.08.2015, 16:34 +0200 schrieb Thierr

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-20 Thread Thierry Reding
On Thu, Aug 20, 2015 at 09:46:14AM +0530, Archit Taneja wrote: > Hi Thierry, Lucas, > > > On 08/19/2015 08:32 PM, Thierry Reding wrote: > >On Wed, Aug 19, 2015 at 04:52:24PM +0200, Lucas Stach wrote: > >>Am Mittwoch, den 19.08.2015, 16:34 +0200 schrieb Thierry Reding: > >>>On Wed, Aug 19, 2015 at

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-19 Thread Archit Taneja
Hi Thierry, Lucas, On 08/19/2015 08:32 PM, Thierry Reding wrote: On Wed, Aug 19, 2015 at 04:52:24PM +0200, Lucas Stach wrote: Am Mittwoch, den 19.08.2015, 16:34 +0200 schrieb Thierry Reding: On Wed, Aug 19, 2015 at 04:17:08PM +0200, Lucas Stach wrote: Hi Thierry, Archit, [...] Perhaps a b

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-19 Thread Jani Nikula
On Wed, 19 Aug 2015, Thierry Reding wrote: > On Wed, Aug 19, 2015 at 04:52:24PM +0200, Lucas Stach wrote: >> Am Mittwoch, den 19.08.2015, 16:34 +0200 schrieb Thierry Reding: >> > I think that's a flawed interpretation of what's going on here. The >> > device in fact has two interfaces: one is I2C,

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-19 Thread Thierry Reding
On Wed, Aug 19, 2015 at 04:52:24PM +0200, Lucas Stach wrote: > Am Mittwoch, den 19.08.2015, 16:34 +0200 schrieb Thierry Reding: > > On Wed, Aug 19, 2015 at 04:17:08PM +0200, Lucas Stach wrote: > > > Hi Thierry, Archit, > > > > [...] > > > > Perhaps a better way would be to invert this relationship

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-19 Thread Lucas Stach
Am Mittwoch, den 19.08.2015, 16:34 +0200 schrieb Thierry Reding: > On Wed, Aug 19, 2015 at 04:17:08PM +0200, Lucas Stach wrote: > > Hi Thierry, Archit, > > [...] > > > Perhaps a better way would be to invert this relationship. According to > > > your proposal we'd have to have DT like this: > > >

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-19 Thread Thierry Reding
On Wed, Aug 19, 2015 at 04:17:08PM +0200, Lucas Stach wrote: > Hi Thierry, Archit, > > Am Mittwoch, den 19.08.2015, 15:13 +0200 schrieb Thierry Reding: > > On Wed, Aug 19, 2015 at 10:37:54AM +0530, Archit Taneja wrote: > > > Hi, > > > > > > On 06/30/2015 10:54 AM, Archit Taneja wrote: > > > >We a

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-19 Thread Lucas Stach
Hi Thierry, Archit, Am Mittwoch, den 19.08.2015, 15:13 +0200 schrieb Thierry Reding: > On Wed, Aug 19, 2015 at 10:37:54AM +0530, Archit Taneja wrote: > > Hi, > > > > On 06/30/2015 10:54 AM, Archit Taneja wrote: > > >We are currently restricted when it comes to supporting DSI on devices > > >that

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-19 Thread Thierry Reding
On Wed, Aug 19, 2015 at 10:37:54AM +0530, Archit Taneja wrote: > Hi, > > On 06/30/2015 10:54 AM, Archit Taneja wrote: > >We are currently restricted when it comes to supporting DSI on devices > >that have a non-DSI control bus. For example, DSI encoder chips are > >available in the market that are

Re: [RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-08-18 Thread Archit Taneja
Hi, On 06/30/2015 10:54 AM, Archit Taneja wrote: We are currently restricted when it comes to supporting DSI on devices that have a non-DSI control bus. For example, DSI encoder chips are available in the market that are configured via i2c. Configuring their registers via DSI bus is either optio

[RFC 0/2] drm/dsi: DSI for devices with different control bus

2015-06-29 Thread Archit Taneja
We are currently restricted when it comes to supporting DSI on devices that have a non-DSI control bus. For example, DSI encoder chips are available in the market that are configured via i2c. Configuring their registers via DSI bus is either optional or not available at all. These devices still ne