[Gta04-owner] Upstream status Was: New LetuxOS kernels

[H. Nikolaus Schaller]

Hi Dneis,

> Am 22.12.2018 um 14:52 schrieb Denis 'GNUtoo' Carikli <GNUtoo at no-log.org>:
> 
> On Fri, 21 Dec 2018 18:37:30 +0100
> "H. Nikolaus Schaller" <hns at goldelico.com> wrote:
> 
>> Hi Denis,
> Hi,
> 
>> Well, there are some things missing:
>> * GPS
> 
> Upstream has that in omap4-gta04.dtsi:
>> antenna-detect {
>> 	compatible = "gpio-keys";
>> 
>> 	gps_antenna_button: gps-antenna-button {
>> 		label = "GPS_EXT_ANT";
>> 		linux,input-type = <EV_SW>;
>> 		linux,code = <SW_LINEIN_INSERT>;
>> 		gpios = <&gpio5 16 GPIO_ACTIVE_HIGH>; /* GPIO144 */
>> 		interrupt-parent = <&gpio5>;
>> 		interrupts = <16 IRQ_TYPE_EDGE_BOTH>;
>> 		debounce-interval = <10>;
>> 		wakeup-source;
>> 	};
>> };
> Does that mean that the GPS is finally upstream?

No, that is just the detection of an external antenna (antenna-button). Not the GPS receiver hook up.

> 
>> * Modem power enable through rfkill unblock wwan
> That seem to be completely missing indeed.
> 
>> * more audio functions like codecs and hardware voice routing
> Upstream has that:
>> sound_telephony {
>> 	compatible = "simple-audio-card";
>> 	simple-audio-card,name = "GTA04 voice";
>> 	simple-audio-card,bitclock-master = <&telephony_link_master>;
>> 	simple-audio-card,frame-master = <&telephony_link_master>;
>> 	simple-audio-card,format = "i2s";
>> 	simple-audio-card,bitclock-inversion;
>> 	simple-audio-card,frame-inversion;
>> 	simple-audio-card,cpu {
>> 		sound-dai = <&mcbsp4>;
>> 	};
>> 
>> 	telephony_link_master: simple-audio-card,codec {
>> 		sound-dai = <&gtm601_codec>;
>> 	};
>> };
>> 
>> gtm601_codec: gsm_codec {
>> 	compatible = "option,gtm601";
>> 	#sound-dai-cells = <0>;
>> };
> So this means that we have the modem CODEC supported but as I
> understand there is no hardware voice routing (I didn't do extensive
> checks on that though).

Yes. This needs tristate and some other magic.

> 
>> And some other not so big things, like the iio-input-bridge (map
>> iio-accelerometer to /dev/input/event). Some topics are known to be
>> inacceptable (touch screen pre-calibration from device-tree).
> 
>> If you need write access to update that page, please let me know.
> That would be a good idea. I'll try to find the time to update the
> status.

Are you already registered as a user? Then PM me your user name.

BR and thanks,
Nikolaus