[PATCH 1/2] dt-bindings: remoteproc: imx_rproc: Support i.MX8MN/P MMIO

[Marek Vasut]

On 7/10/23 10:13, Krzysztof Kozlowski wrote:
> On 08/07/2023 01:26, Marek Vasut wrote:
>> The MX8M CM7 boot via SMC call is problematic, since not all versions
>> of ATF support this interface. Document MMIO support used to boot the
>> CM7 on MX8MN/MP instead and discern MMIO interface using DT compatible
>> string. Document GPR register syscon phandle which is required by the
>> MMIO interface too.
>>
>> Signed-off-by: Marek Vasut <marex at denx.de>
>> ---
>> Note that the MMIO being discerned using compatible string is similar
>> approach to "st,stm32mp1-rcc" vs "st,stm32mp1-rcc-secure".
>> ---
> 
> Same hardware should not have two compatibles, depending on the bus it is.

Yes, I know, but for whatever reason the ST does, so I picked the same 
approach here. What else would you suggest, boolean properly like Peng 
wrote ?

The compatible is also easier to handle on driver level, at least in 
Linux, see 2/2 .