[PATCH v5 2/4] arm64: dts: imx8mq: Add dbi2 and atu reg for i.MX8MQ PCIe EP
Krzysztof Kozlowski
krzk at kernel.org
Tue Aug 13 01:55:05 PDT 2024
On 13/08/2024 10:54, Krzysztof Kozlowski wrote:
> On 13/08/2024 09:42, Richard Zhu wrote:
>> Add dbi2 and iatu reg for i.MX8MQ PCIe EP.
>>
>> For i.MX8M PCIe EP, the dbi2 and atu addresses are pre-defined in the
>> driver. This method is not good.
>>
>> In commit b7d67c6130ee ("PCI: imx6: Add iMX95 Endpoint (EP) support"),
>> Frank suggests to fetch the dbi2 and atu from DT directly. This commit is
>> preparation to do that for i.MX8MQ PCIe EP.
>>
>> These changes wouldn't break driver function. When "dbi2" and "atu"
>> properties are present, i.MX PCIe driver would fetch the according base
>> addresses from DT directly. If only two reg properties are provided, i.MX
>> PCIe driver would fall back to the old method.
>>
>> Signed-off-by: Richard Zhu <hongxing.zhu at nxp.com>
>> Reviewed-by: Frank Li <Frank.Li at nxp.com>
>
> Stop adding fake tags. This never happened. If it happened, provide lore
> link.
>
Ah, my bad, now I see it. It's fine, sorry.
Best regards,
Krzysztof
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