Re: [PATCH v2 34/34] ARM: tegra: apalis_t30: support v1.1 hardware revision

From: Rob Herring
Date: Tue Sep 25 2018 - 14:32:56 EST


On Fri, Aug 31, 2018 at 06:38:16PM +0200, Marcel Ziswiler wrote:
> From: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx>
>
> Support the V1.1 hardware revisions with the following change:
>
> Changed power rail for MMC1 interface to a 3.3V/1.8V switchable rail in
> order to be able to run UHS SD cards in ultra high speed 1.8V mode.
>
> [ 207.502011] mmc2: host does not support reading read-only switch,
> assuming write-enable
> [ 207.517011] mmc2: new ultra high speed SDR104 SDHC card at address
> aaaa
> [ 207.534190] mmcblk2: mmc2:aaaa SE32G 29.7 GiB
> [ 207.545096] mmcblk2: p1
>
> root@apalis-t30:~# cat /sys/kernel/debug/mmc2/ios
> clock: 208000000 Hz
> actual clock: 204000000 Hz
> vdd: 21 (3.3 ~ 3.4 V)
> bus mode: 2 (push-pull)
> chip select: 0 (don't care)
> power mode: 2 (on)
> bus width: 2 (4 bits)
> timing spec: 6 (sd uhs SDR104)
> signal voltage: 1 (1.80 V)
> driver type: 0 (driver type B)
> root@apalis-t30:~# hdparm -t /dev/mmcblk2
>
> /dev/mmcblk2:
> Timing buffered disk reads: 256 MB in 3.02 seconds = 84.71 MB/sec
>
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx>
>
> ---

> + panel: panel {
> + /*
> + * edt,et057090dhu: EDT 5.7" LCD TFT
> + * edt,et070080dh6: EDT 7.0" LCD TFT
> + */
> + compatible = "edt,et057090dhu", "simple-panel";

"simple-panel" is not a valid compatible string.

> + backlight = <&backlight>;
> + power-supply = <&reg_3v3>;
> + };

With that,

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>