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From: Yinbo Zhu <yinbo.zhu@nxp.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Yinbo Zhu <yinbo.zhu@nxp.com>, Xiaobo Xie <xiaobo.xie@nxp.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Ramneek Mehresh <ramneek.mehresh@freescale.com>,
	Nikhil Badola <nikhil.badola@freescale.com>,
	Ran Wang <ran.wang_1@nxp.com>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Jiafei Pan <jiafei.pan@nxp.com>
Subject: [PATCH v5 1/5] usb: fsl: Set USB_EN bit to select ULPI phy
Date: Wed, 8 May 2019 06:04:35 +0000	[thread overview]
Message-ID: <20190508060608.33882-1-yinbo.zhu@nxp.com> (raw)

From: Nikhil Badola <nikhil.badola@freescale.com>

Set USB_EN bit to select ULPI phy for USB controller version 2.5

Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
---
 drivers/usb/host/ehci-fsl.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index e3d0c1c..38674b7 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -122,6 +122,12 @@ static int fsl_ehci_drv_probe(struct platform_device *pdev)
 		tmp |= 0x4;
 		iowrite32be(tmp, hcd->regs + FSL_SOC_USB_CTRL);
 	}
+
+	/* Set USB_EN bit to select ULPI phy for USB controller version 2.5 */
+	if (pdata->controller_ver == FSL_USB_VER_2_5 &&
+	    pdata->phy_mode == FSL_USB2_PHY_ULPI)
+		iowrite32be(USB_CTRL_USB_EN, hcd->regs + FSL_SOC_USB_CTRL);
+
 	/*
 	 * Enable UTMI phy and program PTS field in UTMI mode before asserting
 	 * controller reset for USB Controller version 2.5
-- 
1.7.1


             reply	other threads:[~2019-05-08  6:04 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-08  6:04 Yinbo Zhu [this message]
2019-05-08  6:04 ` [PATCH v5 2/5] usb: phy: Workaround for USB erratum-A005728 Yinbo Zhu
2019-05-08 14:15   ` Alan Stern
2019-05-09  3:54     ` [EXT] " Yinbo Zhu
2019-05-08  6:04 ` [PATCH v5 3/5] usb: linux/fsl_device: Add platform member has_fsl_erratum_a006918 Yinbo Zhu
2019-05-08  6:04 ` [PATCH v5 4/5] usb: host: Stops USB controller init if PLL fails to lock Yinbo Zhu
2019-05-08 16:50   ` Alan Stern
2019-05-09  3:58     ` [EXT] " Yinbo Zhu
2019-05-08  6:04 ` [PATCH v5 5/5] usb :fsl: Change string format for errata property Yinbo Zhu

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