Hi Mark, On Mon, Sep 2, 2013 at 9:47 PM, Mark Rutland <mark.rutland@xxxxxxx> wrote: > On Wed, Aug 28, 2013 at 03:43:04AM +0100, Prabhakar Lad wrote: >> Hi Mark, >> >> On Tue, Aug 27, 2013 at 8:54 PM, Mark Rutland <mark.rutland@xxxxxxx> wrote: >> > [fixing up devicetree list address] >> > >> Thanks! >> >> > On Mon, Aug 26, 2013 at 03:41:45AM +0100, Prabhakar Lad wrote: >> >> Hi Sylwester, >> >> >> >> On Fri, Aug 23, 2013 at 11:33 PM, Sylwester Nawrocki >> >> <s.nawrocki@xxxxxxxxxxx> wrote: >> >> > Cc: DT binding maintainers >> > >> > Cheers! >> > >> >> > >> >> > On 07/20/2013 08:21 AM, Lad, Prabhakar wrote: >> >> >> From: "Lad, Prabhakar" <prabhakar.csengg@xxxxxxxxx> >> >> >> >> >> >> add OF support for the adv7343 driver. >> >> >> >> >> >> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx> >> >> >> --- >> >> > [...] >> >> >> .../devicetree/bindings/media/i2c/adv7343.txt | 48 ++++++++++++++++++++ >> >> >> drivers/media/i2c/adv7343.c | 46 ++++++++++++++++++- >> >> >> 2 files changed, 93 insertions(+), 1 deletion(-) >> >> >> create mode 100644 Documentation/devicetree/bindings/media/i2c/adv7343.txt >> >> >> >> >> >> diff --git a/Documentation/devicetree/bindings/media/i2c/adv7343.txt b/Documentation/devicetree/bindings/media/i2c/adv7343.txt >> >> >> new file mode 100644 >> >> >> index 0000000..5653bc2 >> >> >> --- /dev/null >> >> >> +++ b/Documentation/devicetree/bindings/media/i2c/adv7343.txt >> >> >> @@ -0,0 +1,48 @@ >> >> >> +* Analog Devices adv7343 video encoder >> >> >> + >> >> >> +The ADV7343 are high speed, digital-to-analog video encoders in a 64-lead LQFP >> >> >> +package. Six high speed, 3.3 V, 11-bit video DACs provide support for composite >> >> >> +(CVBS), S-Video (Y-C), and component (YPrPb/RGB) analog outputs in standard >> >> >> +definition (SD), enhanced definition (ED), or high definition (HD) video >> >> >> +formats. >> >> >> + >> >> >> +Required Properties : >> >> >> +- compatible: Must be "adi,adv7343" >> >> >> + >> >> >> +Optional Properties : >> >> >> +- adi,power-mode-sleep-mode: on enable the current consumption is reduced to >> >> >> + micro ampere level. All DACs and the internal PLL >> >> >> + circuit are disabled. >> > >> > This seems to be a boolean property, and I couldn't find any description >> > in the linked datasheet of the constraints under which the unit may be >> > put into sleep mode. >> > >> > Why do we require this property in the dt? Can the driver not always put >> > a adv734x into sleep mode if it wants to, and then wake it up as >> > required? >> > >> The adv7343 decoder, fits on da850/dm6467 etc.. For the da850 it supports >> only SD where as the dm6467 supports HD/SD/ED for which DAC 1-6 of >> Register 0x0 varies for this board so I added them as the platform data >> but I got a review comment in the ML asking to add entire register as >> the pdata instead of DAC 1-6, so because of which it is being converted >> in the same way for DT. > > Not everything that appears in platform data should appear in the dt. > This seems more like a run-time decision that a description of the > hardware. > > I don't see why we need the "adi,power-mode-sleep-mode" property. > Ok I will drop "adi,power-mode-sleep-mode" and "adi,power-mode-pll-ctrl" property from the DT bindings and just have "adi,dac-enable", "adi,sd-dac-enable" properties as this cannot be handled runtime. Regards, --Prabhakar Lad -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
