[Letux-kernel] [PATCH v7 01/12] dt-bindings: add img, pvrsgx.yaml for Imagination GPUs

H. Nikolaus Schaller hns at goldelico.com
Fri May 15 09:59:36 CEST 2020


> Am 05.05.2020 um 17:53 schrieb Rob Herring <robh at kernel.org>:
> 
> On Fri, Apr 24, 2020 at 10:34:04PM +0200, H. Nikolaus Schaller wrote:
>> The Imagination PVR/SGX GPU is part of several SoC from
>> multiple vendors, e.g. TI OMAP, Ingenic JZ4780, Intel Poulsbo,
>> Allwinner A83 and others.
>> 
>> With this binding, we describe how the SGX processor is
>> interfaced to the SoC (registers and interrupt).
>> 
>> The interface also consists of clocks, reset, power but
>> information from data sheets is vague and some SoC integrators
>> (TI) deciced to use a PRCM wrapper (ti,sysc) which does
>> all clock, reset and power-management through registers
>> outside of the sgx register block.
>> 
>> Therefore all these properties are optional.
>> 
>> Tested by make dt_binding_check
>> 
>> Signed-off-by: H. Nikolaus Schaller <hns at goldelico.com>
>> ---
>> .../devicetree/bindings/gpu/img,pvrsgx.yaml   | 150 ++++++++++++++++++
>> 1 file changed, 150 insertions(+)
>> +    oneOf:
>> +      - description: SGX530-121 based SoC
>> +        items:
>> +          - enum:
>> +            - ti,omap3-sgx530-121 # BeagleBoard A/B/C, OpenPandora 600MHz and similar
> 
> Should be indented 2 more here and elsewhere where you have a list 
> under a list.

added for patch v8 series.

BR and thanks,
Nikolaus



More information about the Letux-kernel mailing list