[PATCH v3 4/5] clk/exynos5420: add hdmi mux to change parents in hdmi driver

[r.sh.open@gmail.com (Rahul Sharma)]

On 27 August 2013 05:16, Tomasz Figa <tomasz.figa@gmail.com> wrote:
> Hi Rahul,
>
> On Monday 26 of August 2013 14:43:02 Rahul Sharma wrote:
>> hdmi driver needs to change the parent of hdmi clock
>> to pixel clock or hdmiphy clock, based on the stability
>> of hdmiphy. This patch is exposing the mux for changing
>> the parent.
>>
>> Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
>> ---
>>  Documentation/devicetree/bindings/clock/exynos5420-clock.txt |    5
>> +++++ drivers/clk/samsung/clk-exynos5420.c                         |
>> 5 ++++- 2 files changed, 9 insertions(+), 1 deletion(-)
>>
>> diff --git
>> a/Documentation/devicetree/bindings/clock/exynos5420-clock.txt
>> b/Documentation/devicetree/bindings/clock/exynos5420-clock.txt index
>> 5758a69..6f16aa8 100644
>> --- a/Documentation/devicetree/bindings/clock/exynos5420-clock.txt
>> +++ b/Documentation/devicetree/bindings/clock/exynos5420-clock.txt
>> @@ -182,6 +182,11 @@ clock which they consume.
>>    g3d                        501
>>    smmu_mixer         502
>>
>> +  Mux                        ID
>> +  ----------------------------
>> +
>> +  mout_hdmi          1024
>
> Is there a need for such big hole between smm_mixer and this clock? I
> believe that based on the documentation, the total amount of clocks that
> can be defined may be approximated and some extra margin added, so you
> don't waste so much of numbering space and memory used for lookup array.
>

Total number of Gates are coming upto the enum value 540. I can leave gap
of 64 in between for first mux. Similarly, total muxes in system are 118.
Optimum gab would be between 128~150. What you say about these
values?

regards,
Rahul Sharma.

> Best regards,
> Tomasz
>