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66 lines
1.7 KiB
Diff
66 lines
1.7 KiB
Diff
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From 271adb5c0546b080fb350a41520c600a16739f1a Mon Sep 17 00:00:00 2001
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From: Rajesh Bhagat <rajesh.bhagat@nxp.com>
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Date: Fri, 6 May 2016 09:05:29 +0530
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Subject: [PATCH 23/93] drivers: usb: fsl: add USB ULPI init code
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This adds the required code to set up a ULPI USB port, for
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new NXP USB PHY used in QorIQ platforms.
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To use this both CONFIG_USB_ULPI and CONFIG_USB_ULPI_VIEWPORT
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have to be set in the board configuration file.
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Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
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---
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drivers/usb/host/ehci-fsl.c | 21 +++++++++++++++++++++
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1 file changed, 21 insertions(+)
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diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
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index 97b7f14..3f06345 100644
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--- a/drivers/usb/host/ehci-fsl.c
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+++ b/drivers/usb/host/ehci-fsl.c
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@@ -16,6 +16,9 @@
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#include <hwconfig.h>
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#include <fsl_usb.h>
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#include <fdt_support.h>
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+#ifdef CONFIG_USB_ULPI
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+#include <usb/ulpi.h>
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+#endif
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#include "ehci.h"
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@@ -50,6 +53,10 @@ int ehci_hcd_init(int index, enum usb_init_type init,
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const char *phy_type = NULL;
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size_t len;
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char current_usb_controller[5];
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+#ifdef CONFIG_USB_ULPI
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+ int ret;
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+ struct ulpi_viewport ulpi_vp;
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+#endif
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#ifdef CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY
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char usb_phy[5];
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@@ -126,6 +133,20 @@ int ehci_hcd_init(int index, enum usb_init_type init,
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udelay(1000); /* delay required for PHY Clk to appear */
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if (!usb_phy_clk_valid(ehci))
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return -EINVAL;
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+
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+#ifdef CONFIG_USB_ULPI
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+ ulpi_vp.viewport_addr = (u32)&ehci->ulpi_viewpoint;
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+ ulpi_vp.port_num = 0;
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+
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+ ret = ulpi_init(&ulpi_vp);
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+ if (ret) {
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+ puts("NXP ULPI viewport init failed\n");
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+ return -1;
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+ }
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+
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+ ulpi_set_vbus(&ulpi_vp, 1, 1);
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+ ulpi_set_vbus_indicator(&ulpi_vp, 1, 1, 1);
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+#endif
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out_le32(&(*hcor)->or_portsc[0], PORT_PTS_ULPI);
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}
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--
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1.7.9.5
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