[PATCH 2/4] arm64: add basic DTS for i.MX8MQ

Shawn Guo shawnguo at kernel.org
Mon Jan 22 06:47:31 PST 2018


On Wed, Jan 17, 2018 at 07:32:42PM +0100, Lucas Stach wrote:
> This adds the basic DTS for the i.MX8MQ.
> For now only the following peripherals are supported:
> - IOMUXC (pin controller)
> - CCM (clock controller)
> - GPIO
> - UART
> - uSDHC (SD/eMMC controller)
> - FEC (ethernet controller)
> - i2c
> 
> This is enough to get a very basic board support up and running.
> 
> One known limitation is that the driver for the GPC interrupt
> controller is still missing, rendering the CPU sleep states unusable
> as there is nothing waking them up anymore. This will be fixed in
> due course.
> 
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> ---
>  arch/arm64/boot/dts/Makefile             |   1 +
>  arch/arm64/boot/dts/nxp/imx8mq-pinfunc.h | 632 +++++++++++++++++++++++++++++++
>  arch/arm64/boot/dts/nxp/imx8mq.dtsi      | 418 ++++++++++++++++++++

So we will have the following two folders for SoCs from the same company.

 arch/arm64/boot/dts/nxp/
 arch/arm64/boot/dts/freescale/

I'm a bit uncomfortable with that.  @Arnd, do you have an opinion how we
should handle them?

Shawn



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