From: Rob Herring <robh@kernel.org>
To: Li Jun <jun.li@nxp.com>
Cc: shawnguo@kernel.org, balbi@kernel.org, mathias.nyman@intel.com,
gregkh@linuxfoundation.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
Anson.Huang@nxp.com, aisheng.dong@nxp.com, peng.fan@nxp.com,
fugang.duan@nxp.com, qiangqing.zhang@nxp.com,
horia.geanta@nxp.com, linux-usb@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 1/6] dt-bindings: usb: xhci: add property to disable xhci 64bit support
Date: Tue, 29 Sep 2020 13:11:08 -0500 [thread overview]
Message-ID: <20200929181108.GA885311@bogus> (raw)
In-Reply-To: <1600771612-30727-2-git-send-email-jun.li@nxp.com>
On Tue, Sep 22, 2020 at 06:46:47PM +0800, Li Jun wrote:
> Add a property "xhci-64bit-support-disable" to disable xhci 64bit address
> dma, some SoC integration may not support 64bit DMA but the AC64 bit
> (bit 0) of HCCPARAMS1 is kept to be 1.
Use 'dma-ranges' for this.
> Signed-off-by: Li Jun <jun.li@nxp.com>
> ---
> Documentation/devicetree/bindings/usb/usb-xhci.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> index 0c5cff8..26446fb 100644
> --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
> +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> @@ -28,6 +28,9 @@ Optional properties:
> - quirk-broken-port-ped: set if the controller has broken port disable mechanism
> - imod-interval-ns: default interrupt moderation interval is 5000ns
> - phys : see usb-hcd.yaml in the current directory
> + - xhci-64bit-support-disable: set if the AC64 bit (bit 0) of HCCPARAMS1 is
> + set to be 1, but the controller actually can't handle 64-bit address
> + due to SoC integration.
>
> additionally the properties from usb-hcd.yaml (in the current directory) are
> supported.
> --
> 2.7.4
>
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Li Jun <jun.li@nxp.com>
Cc: aisheng.dong@nxp.com, balbi@kernel.org, peng.fan@nxp.com,
festevam@gmail.com, fugang.duan@nxp.com, Anson.Huang@nxp.com,
mathias.nyman@intel.com, devicetree@vger.kernel.org,
gregkh@linuxfoundation.org, s.hauer@pengutronix.de,
linux-usb@vger.kernel.org, qiangqing.zhang@nxp.com,
linux-imx@nxp.com, kernel@pengutronix.de, horia.geanta@nxp.com,
shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 1/6] dt-bindings: usb: xhci: add property to disable xhci 64bit support
Date: Tue, 29 Sep 2020 13:11:08 -0500 [thread overview]
Message-ID: <20200929181108.GA885311@bogus> (raw)
In-Reply-To: <1600771612-30727-2-git-send-email-jun.li@nxp.com>
On Tue, Sep 22, 2020 at 06:46:47PM +0800, Li Jun wrote:
> Add a property "xhci-64bit-support-disable" to disable xhci 64bit address
> dma, some SoC integration may not support 64bit DMA but the AC64 bit
> (bit 0) of HCCPARAMS1 is kept to be 1.
Use 'dma-ranges' for this.
> Signed-off-by: Li Jun <jun.li@nxp.com>
> ---
> Documentation/devicetree/bindings/usb/usb-xhci.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> index 0c5cff8..26446fb 100644
> --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
> +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> @@ -28,6 +28,9 @@ Optional properties:
> - quirk-broken-port-ped: set if the controller has broken port disable mechanism
> - imod-interval-ns: default interrupt moderation interval is 5000ns
> - phys : see usb-hcd.yaml in the current directory
> + - xhci-64bit-support-disable: set if the AC64 bit (bit 0) of HCCPARAMS1 is
> + set to be 1, but the controller actually can't handle 64-bit address
> + due to SoC integration.
>
> additionally the properties from usb-hcd.yaml (in the current directory) are
> supported.
> --
> 2.7.4
>
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next prev parent reply other threads:[~2020-09-29 18:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-22 10:46 [PATCH v3 0/6] add NXP imx8mp usb support Li Jun
2020-09-22 10:46 ` Li Jun
2020-09-22 10:46 ` [PATCH v3 1/6] dt-bindings: usb: xhci: add property to disable xhci 64bit support Li Jun
2020-09-22 10:46 ` Li Jun
2020-09-29 18:11 ` Rob Herring [this message]
2020-09-29 18:11 ` Rob Herring
2020-10-02 16:39 ` Jun Li
2020-10-02 16:39 ` Jun Li
2020-09-22 10:46 ` [PATCH v3 2/6] usb: host: xhci-plat: add support of XHCI_NO_64BIT_SUPPORT via property Li Jun
2020-09-22 10:46 ` Li Jun
2020-09-22 10:46 ` [PATCH v3 3/6] dt-bindings: usb: dwc3-imx8mp: add imx8mp dwc3 glue bindings Li Jun
2020-09-22 10:46 ` Li Jun
2020-09-22 14:32 ` Krzysztof Kozlowski
2020-09-22 14:32 ` Krzysztof Kozlowski
2020-09-22 16:45 ` Jun Li
2020-09-22 16:45 ` Jun Li
2020-09-22 18:22 ` Krzysztof Kozlowski
2020-09-22 18:22 ` Krzysztof Kozlowski
2020-09-22 10:46 ` [PATCH v3 4/6] usb: dwc3: add imx8mp dwc3 glue layer driver Li Jun
2020-09-22 10:46 ` Li Jun
2020-09-22 10:46 ` [PATCH v3 5/6] arm64: dtsi: imx8mp: add usb nodes Li Jun
2020-09-22 10:46 ` Li Jun
2020-09-22 14:39 ` Krzysztof Kozlowski
2020-09-22 14:39 ` Krzysztof Kozlowski
2020-09-23 7:50 ` Sascha Hauer
2020-09-23 7:50 ` Sascha Hauer
2020-09-23 8:49 ` Jun Li
2020-09-23 8:49 ` Jun Li
2020-09-22 10:46 ` [PATCH v3 6/6] arm64: dts: imx8mp-evk: enable usb1 as host mode Li Jun
2020-09-22 10:46 ` Li Jun
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