Re: [PATCH v2 04/19] ARM: dts: imx6-sabrelite: add OV5642 and OV5640 camera sensors

[Steve Longerbeam]

Hi Vladimir,


On 01/04/2017 04:25 AM, Vladimir Zapolskiy wrote:
> Hi Steve,
>
> On 01/03/2017 10:57 PM, Steve Longerbeam wrote:
> > Enables the OV5642 parallel-bus sensor, and the OV5640 MIPI CSI-2 sensor.
> > Both hang off the same i2c2 bus, so they require different (and non-
> > default) i2c slave addresses.
> >
> > The OV5642 connects to the parallel-bus mux input port on ipu1_csi0_mux.
> >
> > The OV5640 connects to the input port on the MIPI CSI-2 receiver on
> > mipi_csi. It is set to transmit over MIPI virtual channel 1.
> >
> > Note there is a pin conflict with GPIO6. This pin functions as a power
> > input pin to the OV5642, but ENET uses it as the h/w workaround for
> > erratum ERR006687, to wake-up the ARM cores on normal RX and TX packet
> > done events (see 6261c4c8). So workaround 6261c4c8 is reverted here to
> > support the OV5642, and the "fsl,err006687-workaround-present" boolean
> > also must be removed. The result is that the CPUidle driver will no longer
> > allow entering the deep idle states on the sabrelite.
> For me it sounds like a candidate of its own separate change.

Yes, I split out the two partial reverts into a separate commit
("ARM: dts: imx6qdl-sabrelite: remove erratum ERR006687
 workaround").

> > +
> > +	mipi_camera: ov5640@40 {
> Please reorder device nodes by address value,

done.

>   also according to ePAPR
> node names should be generic, labels can be specific:
>
> 	ov5640: camera@40 {
> 		...
> 	};
>
> 	ov5642: camera@42 {
> 		...
> 	};

fixed.

> > +		pinctrl_ipu1_csi0: ipu1grp-csi0 {
> Please rename node name to ipu1csi0grp.

done.

> > +
> > +                pinctrl_ov5640: ov5640grp {
> > +                        fsl,pins = <
> > +				MX6QDL_PAD_NANDF_D5__GPIO2_IO05 0x000b0
> > +				MX6QDL_PAD_NANDF_WP_B__GPIO6_IO09 0x0b0b0
> > +                        >;
> > +                };
> > +
> Indentation issues above, please use tabs instead of spaces.

fixed.

> Also please add new pin control groups preserving the alphanimerical order.

done.

Steve