[PATCH v2 1/3] arm64: dts: imx8mq: add Nitrogen8 SoM

[Rob Herring]

On Mon, 10 May 2021 20:59:29 +0200, Lucas Stach 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>
> ---
> v2:
> - remove 100/200MHz pinctrl states for usdhc1
> - rename i2c nodes
> ---
>  .../devicetree/bindings/arm/fsl.yaml          |   1 +
>  .../dts/freescale/imx8mq-nitrogen-som.dtsi    | 242 ++++++++++++++++++
>  2 files changed, 243 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mq-nitrogen-som.dtsi
> 

Reviewed-by: Rob Herring <robh at kernel.org>