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Message-ID: <20240906063110.GA679795@rocinante>
Date: Fri, 6 Sep 2024 15:31:10 +0900
From: Krzysztof WilczyĆski <kw@...ux.com>
To: Richard Zhu <hongxing.zhu@....com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
shawnguo@...nel.org, l.stach@...gutronix.de,
devicetree@...r.kernel.org, linux-pci@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
kernel@...gutronix.de, imx@...ts.linux.dev
Subject: Re: [PATCH v5 1/4] dt-bindings: imx6q-pcie: Add reg-name "dbi2" and
"atu" for i.MX8M PCIe Endpoint
Hello,
> Add reg-name: "dbi2", "atu" for i.MX8M PCIe Endpoint.
>
> 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.MX8M 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.
Applied to dt-bindings, thank you!
[1/1] dt-bindings: PCI: imx6q-pcie: Add reg-name "dbi2" and "atu" for i.MX8M PCIe Endpoint
https://git.kernel.org/pci/pci/c/2f309c988b7c
Krzysztof
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