[RFC PATCHv2 3/9] dt-bindings: display/ti: add am65x-dss bindings

Tomi Valkeinen tomi.valkeinen at ti.com
Mon Jul 30 11:00:37 UTC 2018


On 30/07/18 02:04, Laurent Pinchart wrote:
> Hi Tomi,
> 
> Thank you for the patch.
> 
> On Monday, 18 June 2018 16:22:36 EEST Tomi Valkeinen wrote:
>> Add DT bindings for Texas Instruments AM65x SoC Display Subsystem.  The
>> DSS7 on AM65x SoC has two video ports (DPI and OLDI) and two video
>> pipelines.
>>
>> Signed-off-by: Jyri Sarha <jsarha at ti.com>
>> Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>
>> Cc: devicetree at vger.kernel.org
>> ---
>>  .../bindings/display/ti/ti,am6-dss.txt           | 16 ++++++++++++++++
>>  1 file changed, 16 insertions(+)
>>  create mode 100644
>> Documentation/devicetree/bindings/display/ti/ti,am6-dss.txt
>>
>> diff --git a/Documentation/devicetree/bindings/display/ti/ti,am6-dss.txt
>> b/Documentation/devicetree/bindings/display/ti/ti,am6-dss.txt new file mode
>> 100644
>> index 000000000000..3466f095fb84
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/ti/ti,am6-dss.txt
>> @@ -0,0 +1,16 @@
>> +Texas Instruments AM65x Display Subsystem
>> +==========================================
>> +
>> +Required properties:
>> +- compatible: "ti,am65x-dss", "ti,am6-dss"
>> +- reg: address and length of the register spaces for DSS submodules
>> +- reg-names: "common", "vidl1", "vid", "ovr1", "ovr2", "vp1", "vp2"
>> +- clocks: phandle to fclk, vp1, and vp2 clocks
>> +- clock-names: "fck", "vp1", "vp2"
>> +- interrupts: phandle to the DISPC interrupt
>> +- syscon: phandle to syscon device handling OLDI_PWRDN_TX (partition 1 of
>> +  AM654 CTRL MMR0)
>> +
>> +The DSS outputs are described using the device graphs as documented in
>> +Documentation/devicetree/bindings/graph.txt. AM6 DSS has a DPI output as
>> port 0
>> +and an OLDI output as port 1.
> 
> Without documentation for the AM65x it's hard to review these DT bindings. 
> However, my comment regarding the registers of the k2g-dss bindings applies 
> here too.

Sorry that I didn't provide the link. I guess it's not easily found from
ti.com at the moment:

http://www.ti.com/lit/ug/spruid7/spruid7.pdf

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