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From: Ryder Lee <ryder.lee@mediatek.com>
To: <chuanjia.liu@mediatek.com>
Cc: devicetree@vger.kernel.org, lorenzo.pieralisi@arm.com,
	srv_heupstream@mediatek.com, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, jianjun.wang@mediatek.com,
	bhelgaas@google.com, robh+dt@kernel.org,
	linux-mediatek@lists.infradead.org, yong.wu@mediatek.com,
	matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org,
	amurray@thegoodpenguin.co.uk
Subject: Re: [PATCH v2 0/4] Spilt PCIe node to comply with hardware design
Date: Fri, 29 May 2020 11:05:59 +0800	[thread overview]
Message-ID: <1590721559.23866.0.camel@mtkswgap22> (raw)
In-Reply-To: <20200528061648.32078-1-chuanjia.liu@mediatek.com>

On Thu, 2020-05-28 at 14:16 +0800, chuanjia.liu@mediatek.com wrote:
> There are two independent PCIe controllers in MT2712/MT7622 platform,
> and each of them should contain an independent MSI domain.
> 
> In current architecture, MSI domain will be inherited from the root
> bridge, and all of the devices will share the same MSI domain.
> Hence that, the PCIe devices will not work properly if the irq number
> which required is more than 32.
> 
> Split the PCIe node for MT2712/MT7622 platform to fix MSI issue and
> comply with the hardware design.
> 
> change note:
> v2: change the allocation of mt2712 PCIe MMIO space due to the allcation
> size is not right in v1.
> 
> chuanjia.liu (4):
>   dt-bindings: PCI: Mediatek: Update PCIe binding
>   PCI: mediatek: Use regmap to get shared pcie-cfg base
>   arm64: dts: mediatek: Split PCIe node for MT2712/MT7622
>   ARM: dts: mediatek: Update mt7629 PCIe node
> 
>  .../bindings/pci/mediatek-pcie-cfg.yaml       |  38 +++++
>  .../devicetree/bindings/pci/mediatek-pcie.txt | 144 +++++++++++-------
>  arch/arm/boot/dts/mt7629-rfb.dts              |   3 +-
>  arch/arm/boot/dts/mt7629.dtsi                 |  23 +--
>  arch/arm64/boot/dts/mediatek/mt2712e.dtsi     |  75 +++++----
>  .../dts/mediatek/mt7622-bananapi-bpi-r64.dts  |  16 +-
>  arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts  |   6 +-
>  arch/arm64/boot/dts/mediatek/mt7622.dtsi      |  68 ++++++---
>  drivers/pci/controller/pcie-mediatek.c        |  25 ++-
>  9 files changed, 258 insertions(+), 140 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml
> 
> --
> 2.18.0
> 
> 
For the series:
Acked-by: Ryder Lee <ryder.lee@mediatek.com>
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      parent reply	other threads:[~2020-05-29  3:06 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-28  6:16 [PATCH v2 0/4] Spilt PCIe node to comply with hardware design chuanjia.liu
2020-05-28  6:16 ` [PATCH v2 1/4] dt-bindings: PCI: Mediatek: Update PCIe binding chuanjia.liu
2020-05-28  6:16 ` [PATCH v2 2/4] PCI: mediatek: Use regmap to get shared pcie-cfg base chuanjia.liu
2020-05-28  6:16 ` [PATCH v2 3/4] arm64: dts: mediatek: Split PCIe node for MT2712/MT7622 chuanjia.liu
2020-05-28  6:16 ` [PATCH v2 4/4] ARM: dts: mediatek: Update mt7629 PCIe node chuanjia.liu
2020-05-29  3:05 ` Ryder Lee [this message]

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