[Letux-kernel] [PATCH] ARM: dts: omap4: add initial support for Epson Moverio BT-200
H. Nikolaus Schaller
hns at goldelico.com
Mon Mar 27 21:30:19 CEST 2023
> Am 27.03.2023 um 20:58 schrieb Andreas Kemnade <andreas at kemnade.info>:
> so what works:
> - buttons
> - wifi
> - usb gadget (host not tried)
> - some sensors
> - eMMC
> - uSD
> - display backlight
> - measuring various voltage
That is already a lot!
> what works not:
> - display: missing panel driver
> - audio (headset jack): regressions during ti-sysv refactoring, mcbsp master
> - bluetooth:
> - missing clk driver for twl6030 clk32kaudio (without it, cts is not
> asserted), dirty hack is available
> - timeouts after quite some fw uploading for unknown reason
> - led (not simple gpio, some i2c chip: BD2606MVV)
this one? https://fscdn.rohm.com/en/products/databook/datasheet/ic/power/led_driver/bd2606mvv_1-e.pdf
Regarding drivers there is a Samsung BD2802 driver but if doesn't look to be very compatible.
From functional comparison the driver has some similarities to this driver
Well, needs quite some tweaking.
Hope this helps a little...
> - touchpad (some elan chip via spi)
> On Mon, 27 Mar 2023 19:09:11 +0200
> "H. Nikolaus Schaller" <hns at goldelico.com> wrote:
>> Hi Andreas,
>> that looks good!
>> So it is not too far (v6.4?) that this device has initial upstream support.
>> So what is already working or not working?
>>> Am 27.03.2023 um 12:57 schrieb Andreas Kemnade <andreas at kemnade.info>:
>>> On Mon, 27 Mar 2023 11:21:37 +0300
>>> Tony Lindgren <tony at atomide.com> wrote:
>>>> * Andreas Kemnade <andreas at kemnade.info> [230313 13:04]:
>>>>> yes, epson,embt2ws is unknown, is the txt->yaml conversion around the
>>>>> corner? I would then resubmit it includding an addition
>>>>> to that yaml. If not probably I resubmit the conversion patch with
>>>>> the compatible added. But that should not stop the rest of this patch from
>>>>> being reviewed.
>>>> Yeah let's do the yaml conversion first as otherwise we'll be adding some
>>>> extra warnings for the dt folks.
>>>> Your patch looks otherwise OK to me.
>>> So I will try to incooperate the feedback into the last version
>>> of the conversion patch and include epson,embt2ws.
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