From: Li Jun <jun.li@nxp.com> To: robh+dt@kernel.org, shawnguo@kernel.org, balbi@kernel.org, mathias.nyman@intel.com Cc: gregkh@linuxfoundation.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, Anson.Huang@nxp.com, jun.li@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: [PATCH v3 2/6] usb: host: xhci-plat: add support of XHCI_NO_64BIT_SUPPORT via property Date: Tue, 22 Sep 2020 18:46:48 +0800 [thread overview] Message-ID: <1600771612-30727-3-git-send-email-jun.li@nxp.com> (raw) In-Reply-To: <1600771612-30727-1-git-send-email-jun.li@nxp.com> Some OF platforms may also have the problem AC64 bit (bit 0) of HCCPARAMS1 set to be 1 but the controller actually can't support 64-bit address when SoC integration, so enable XHCI_NO_64BIT_SUPPORT via dts property "xhci-64bit-support-disable". Signed-off-by: Li Jun <jun.li@nxp.com> --- drivers/usb/host/xhci-plat.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 3057cfc..2b63c8b 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -300,6 +300,10 @@ static int xhci_plat_probe(struct platform_device *pdev) device_property_read_u32(tmpdev, "imod-interval-ns", &xhci->imod_interval); + + if (device_property_read_bool(tmpdev, + "xhci-64bit-support-disable")) + xhci->quirks |= XHCI_NO_64BIT_SUPPORT; } hcd->usb_phy = devm_usb_get_phy_by_phandle(sysdev, "usb-phy", 0); -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Li Jun <jun.li@nxp.com> To: robh+dt@kernel.org, shawnguo@kernel.org, balbi@kernel.org, mathias.nyman@intel.com Cc: aisheng.dong@nxp.com, devicetree@vger.kernel.org, peng.fan@nxp.com, fugang.duan@nxp.com, horia.geanta@nxp.com, Anson.Huang@nxp.com, gregkh@linuxfoundation.org, s.hauer@pengutronix.de, linux-usb@vger.kernel.org, qiangqing.zhang@nxp.com, linux-imx@nxp.com, kernel@pengutronix.de, festevam@gmail.com, linux-arm-kernel@lists.infradead.org, jun.li@nxp.com Subject: [PATCH v3 2/6] usb: host: xhci-plat: add support of XHCI_NO_64BIT_SUPPORT via property Date: Tue, 22 Sep 2020 18:46:48 +0800 [thread overview] Message-ID: <1600771612-30727-3-git-send-email-jun.li@nxp.com> (raw) In-Reply-To: <1600771612-30727-1-git-send-email-jun.li@nxp.com> Some OF platforms may also have the problem AC64 bit (bit 0) of HCCPARAMS1 set to be 1 but the controller actually can't support 64-bit address when SoC integration, so enable XHCI_NO_64BIT_SUPPORT via dts property "xhci-64bit-support-disable". Signed-off-by: Li Jun <jun.li@nxp.com> --- drivers/usb/host/xhci-plat.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 3057cfc..2b63c8b 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -300,6 +300,10 @@ static int xhci_plat_probe(struct platform_device *pdev) device_property_read_u32(tmpdev, "imod-interval-ns", &xhci->imod_interval); + + if (device_property_read_bool(tmpdev, + "xhci-64bit-support-disable")) + xhci->quirks |= XHCI_NO_64BIT_SUPPORT; } hcd->usb_phy = devm_usb_get_phy_by_phandle(sysdev, "usb-phy", 0); -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-09-22 10:54 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 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 ` Li Jun [this message] 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 ` [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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