Re: [PATCH v3 1/2] dt-bindings: remoteproc: imx_rproc: Support i.MX8MN/P MMIO

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On Tue, 25 Jul 2023 00:24:17 +0200, 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@xxxxxxx>
> ---
> Cc: Bjorn Andersson <andersson@xxxxxxxxxx>
> Cc: Conor Dooley <conor+dt@xxxxxxxxxx>
> Cc: Fabio Estevam <festevam@xxxxxxxxx>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
> Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
> Cc: NXP Linux Team <linux-imx@xxxxxxx>
> Cc: Peng Fan <peng.fan@xxxxxxx>
> Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-remoteproc@xxxxxxxxxxxxxxx
> ---
> V2: Rename 'gpr' to 'fsl,iomuxc-gpr'
> V3: Rename 'gpr' to 'fsl,iomuxc-gpr' everywhere
> ---
> Note that the MMIO being discerned using compatible string is similar
> approach to "st,stm32mp1-rcc" vs "st,stm32mp1-rcc-secure".
> ---
>  .../bindings/remoteproc/fsl,imx-rproc.yaml    | 20 +++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>




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