[PATCH 1/3] arm: Add support for Qualcomm IPQ40xx family

[Tom Rini]

On Mon, Jul 06, 2020 at 10:37:54AM +0200, Robert Marko wrote:

> This introduces initial support for the popular Qualcomm
> IPQ40x8 and IPQ40x9 WiSoC series.
> 
> IPQ40xx series have 4x Cortex A7 ARM-v7A cores.
> Supported are: IPQ4018, IPQ4019, IPQ4028 and IPQ4029.
> 
> IPQ40x8 and IPQ40x9 use the same cores, but differ in
> addressable RAM size (1GB for IPQ40x9 and 256MB for IPQ40x8)
> and supported peripherals (IPQ40x8 lacks RGMII, LCD controller
> and EMMC/SDHCI controllers).
> 
> IQP4028/IPQ4029 models differ from IPQ4018/IPQ4019 only
> by their rated temperatures rates with IPQ402X models being
> rated for wider temperature ranges.
> 
> Initially this supports:
> * Simple clock driver (Only for UART1 now, will be extended)
> * Pinctrl driver (Supports UARTX and GPIO now, will be extended)
> * GPIOs already supported by msm_gpio driver with updates
> * UARTs already supported by serial_msm driver with updates
> 
> Further peripherals will come in later patches.
> 
> Signed-off-by: Robert Marko <robert.marko at sartura.hr>
> ---
>  MAINTAINERS                                |   7 ++
>  arch/arm/Kconfig                           |  13 ++
>  arch/arm/Makefile                          |   1 +
>  arch/arm/dts/qcom-ipq4019.dtsi             |  79 ++++++++++++

The goal with dts files (that aren't the -u-boot.dtsi ones of course) is
that they come from upstream Linux.  How far along is that with this
SoC?  Everything else here looks fine, thanks.

-- 
Tom
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