[PATCH v2 1/3] arm64: dts: imx8mq: add Nitrogen8 SoM
Fabio Estevam
festevam at gmail.com
Tue May 11 04:43:57 PDT 2021
Hi Lucas,
On Mon, May 10, 2021 at 4:00 PM Lucas Stach <l.stach at pengutronix.de> wrote:
>
> From: Lucas Stach <dev at lynxeye.de>
>
> This adds the description of the Nitrogen8 System on Module. The module
> is quite simple with only a few (almost) fixed regulators and a eMMC
> on-board.
>
> The eMMC is currently limited to 50MHz modes via the pinctrl, as the board
> has not wired up the data strobe line, which prevents HS400 mode from
> working. As both the controller and the eMMC support this mode, it is
> automatically selected when we allow the faster modes, leading to failing
> transfers. Until we have a proper solution to only disable HS400 mode,
> keep the eMMC at the slow bus modes.
>
> Signed-off-by: Lucas Stach <dev at lynxeye.de>
Reviewed-by: Fabio Estevam <festevam at gmail.com>
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