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* [PATCH] i.MX6 USB phy support
@ 2013-01-20 10:19 Sascha Hauer
  2013-01-20 10:19 ` [PATCH 1/5] ARM i.MX6 USB phy: Fix phy function names Sascha Hauer
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: Sascha Hauer @ 2013-01-20 10:19 UTC (permalink / raw)
  To: barebox

This i.MX6 support for the i.MX chipidea driver, or more specifically:

- a USB phy driver
- device registration convenience wrappers
- clock support

With this the imx6_usb_phy* functions should no longer be used. These
can be removed once the sabrelite is converted to the chipidea driver.

Sascha

----------------------------------------------------------------
Sascha Hauer (5):
      ARM i.MX6 USB phy: Fix phy function names
      ARM i.MX6: Fix usb phy base addresses
      ARM i.MX6: Add usbphy clocks
      USB: Add usb phy driver for i.MX
      ARM i.MX6: Add Chipidea support

 arch/arm/boards/freescale-mx6-sabrelite/board.c |    4 +-
 arch/arm/mach-imx/clk-imx6.c                    |    5 ++
 arch/arm/mach-imx/imx6.c                        |    1 +
 arch/arm/mach-imx/include/mach/devices-imx6.h   |   26 ++++++
 arch/arm/mach-imx/include/mach/imx6-regs.h      |    3 +-
 arch/arm/mach-imx/include/mach/usb.h            |    4 +-
 arch/arm/mach-imx/usb-imx6.c                    |   14 +--
 drivers/usb/imx/Kconfig                         |    5 ++
 drivers/usb/imx/Makefile                        |    1 +
 drivers/usb/imx/imx-usb-misc.c                  |   12 +++
 drivers/usb/imx/imx-usb-phy.c                   |  105 +++++++++++++++++++++++
 11 files changed, 168 insertions(+), 12 deletions(-)
 create mode 100644 drivers/usb/imx/imx-usb-phy.c

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^ permalink raw reply	[flat|nested] 6+ messages in thread
* [PATCH 1/5] ARM i.MX6 USB phy: Fix phy function names
  2013-01-20 10:19 [PATCH] i.MX6 USB phy support Sascha Hauer
@ 2013-01-20 10:19 ` Sascha Hauer
  2013-01-20 10:19 ` [PATCH 2/5] ARM i.MX6: Fix usb phy base addresses Sascha Hauer
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: Sascha Hauer @ 2013-01-20 10:19 UTC (permalink / raw)
  To: barebox

The imx6_usb_phy1* functions are misnamed. It's usb phy2 that is configured
here, so rename the functions accordingly.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/boards/freescale-mx6-sabrelite/board.c |    4 ++--
 arch/arm/mach-imx/include/mach/usb.h            |    4 ++--
 arch/arm/mach-imx/usb-imx6.c                    |    4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boards/freescale-mx6-sabrelite/board.c b/arch/arm/boards/freescale-mx6-sabrelite/board.c
index 55087c2..2a12786 100644
--- a/arch/arm/boards/freescale-mx6-sabrelite/board.c
+++ b/arch/arm/boards/freescale-mx6-sabrelite/board.c
@@ -231,8 +231,8 @@ static struct esdhc_platform_data sabrelite_sd4_data = {
 
 static void sabrelite_ehci_init(void)
 {
-	imx6_usb_phy1_disable_oc();
-	imx6_usb_phy1_enable();
+	imx6_usb_phy2_disable_oc();
+	imx6_usb_phy2_enable();
 
 	/* hub reset */
 	gpio_direction_output(204, 0);
diff --git a/arch/arm/mach-imx/include/mach/usb.h b/arch/arm/mach-imx/include/mach/usb.h
index 0a88e7f..85528d7 100644
--- a/arch/arm/mach-imx/include/mach/usb.h
+++ b/arch/arm/mach-imx/include/mach/usb.h
@@ -11,7 +11,7 @@
 #define MX35_H1_USBTE_BIT	(1 << 4)
 #define MXC_EHCI_INTERFACE_SINGLE_UNI	(2 << 0)
 
-int imx6_usb_phy1_disable_oc(void);
-int imx6_usb_phy1_enable(void);
+int imx6_usb_phy2_disable_oc(void);
+int imx6_usb_phy2_enable(void);
 
 #endif /* __MACH_USB_H_*/
diff --git a/arch/arm/mach-imx/usb-imx6.c b/arch/arm/mach-imx/usb-imx6.c
index cd234d2..a3c4304 100644
--- a/arch/arm/mach-imx/usb-imx6.c
+++ b/arch/arm/mach-imx/usb-imx6.c
@@ -46,7 +46,7 @@
 #define USBPHY1_PLL_480_CTRL_EN_USB_CLK	(1 <<  6)
 #define USBPHY1_PLL_480_CTRL_BYPASS	(1 << 16)
 
-int imx6_usb_phy1_disable_oc(void)
+int imx6_usb_phy2_disable_oc(void)
 {
 	int val;
 
@@ -64,7 +64,7 @@ int imx6_usb_phy1_disable_oc(void)
 	return 0;
 }
 
-int imx6_usb_phy1_enable(void)
+int imx6_usb_phy2_enable(void)
 {
 	int val;
 
-- 
1.7.10.4


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^ permalink raw reply	[flat|nested] 6+ messages in thread
* [PATCH 2/5] ARM i.MX6: Fix usb phy base addresses
  2013-01-20 10:19 [PATCH] i.MX6 USB phy support Sascha Hauer
  2013-01-20 10:19 ` [PATCH 1/5] ARM i.MX6 USB phy: Fix phy function names Sascha Hauer
@ 2013-01-20 10:19 ` Sascha Hauer
  2013-01-20 10:19 ` [PATCH 3/5] ARM i.MX6: Add usbphy clocks Sascha Hauer
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: Sascha Hauer @ 2013-01-20 10:19 UTC (permalink / raw)
  To: barebox

What we had as usb phy1 base address is really usb phy2. Fix the names
and add the missing base address definition for usb phy1.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/include/mach/imx6-regs.h |    3 ++-
 arch/arm/mach-imx/usb-imx6.c               |   10 +++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-imx/include/mach/imx6-regs.h b/arch/arm/mach-imx/include/mach/imx6-regs.h
index 7c72cba..d947aa6 100644
--- a/arch/arm/mach-imx/include/mach/imx6-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx6-regs.h
@@ -49,7 +49,8 @@
 #define MX6_WDOG2_BASE_ADDR             (MX6_AIPS1_OFF_BASE_ADDR + 0x40000)
 #define MX6_CCM_BASE_ADDR               (MX6_AIPS1_OFF_BASE_ADDR + 0x44000)
 #define MX6_ANATOP_BASE_ADDR            (MX6_AIPS1_OFF_BASE_ADDR + 0x48000)
-#define MX6_USBPHY1_BASE_ADDR		(MX6_AIPS1_OFF_BASE_ADDR + 0x4a000)
+#define MX6_USBPHY1_BASE_ADDR		(MX6_AIPS1_OFF_BASE_ADDR + 0x49000)
+#define MX6_USBPHY2_BASE_ADDR		(MX6_AIPS1_OFF_BASE_ADDR + 0x4a000)
 #define MX6_SNVS_BASE_ADDR              (MX6_AIPS1_OFF_BASE_ADDR + 0x4C000)
 #define MX6_EPIT1_BASE_ADDR             (MX6_AIPS1_OFF_BASE_ADDR + 0x50000)
 #define MX6_EPIT2_BASE_ADDR             (MX6_AIPS1_OFF_BASE_ADDR + 0x54000)
diff --git a/arch/arm/mach-imx/usb-imx6.c b/arch/arm/mach-imx/usb-imx6.c
index a3c4304..5e3df10 100644
--- a/arch/arm/mach-imx/usb-imx6.c
+++ b/arch/arm/mach-imx/usb-imx6.c
@@ -94,18 +94,18 @@ int imx6_usb_phy2_enable(void)
 	while (readl(MX6_USBOH3_USB_BASE_ADDR + USB_UH1_USBCMD) & USB_CMD_RESET);
 
 	/* reset usbphy */
-	writel(USBPHY_CTRL_SFTRST, MX6_USBPHY1_BASE_ADDR + USBPHY_CTRL + SET);
+	writel(USBPHY_CTRL_SFTRST, MX6_USBPHY2_BASE_ADDR + USBPHY_CTRL + SET);
 	udelay(10);
 	/* clr reset and clkgate */
-	writel(USBPHY_CTRL_SFTRST | USBPHY_CTRL_CLKGATE, MX6_USBPHY1_BASE_ADDR + USBPHY_CTRL + CLR);
+	writel(USBPHY_CTRL_SFTRST | USBPHY_CTRL_CLKGATE, MX6_USBPHY2_BASE_ADDR + USBPHY_CTRL + CLR);
 
 	/* clr all pwd bits => power up phy */
-	writel(0xffffffff, MX6_USBPHY1_BASE_ADDR + CLR);
+	writel(0xffffffff, MX6_USBPHY2_BASE_ADDR + CLR);
 
 	/* set utmilvl2/3 */
-	val = readl(MX6_USBPHY1_BASE_ADDR + USBPHY_CTRL);
+	val = readl(MX6_USBPHY2_BASE_ADDR + USBPHY_CTRL);
 	val |= USBPHY_CTRL_ENUTMILEVEL3 | USBPHY_CTRL_ENUTMILEVEL2;
-	writel(val, MX6_USBPHY1_BASE_ADDR + USBPHY_CTRL + SET);
+	writel(val, MX6_USBPHY2_BASE_ADDR + USBPHY_CTRL + SET);
 
 	return 0;
 }
-- 
1.7.10.4


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^ permalink raw reply	[flat|nested] 6+ messages in thread
* [PATCH 3/5] ARM i.MX6: Add usbphy clocks
  2013-01-20 10:19 [PATCH] i.MX6 USB phy support Sascha Hauer
  2013-01-20 10:19 ` [PATCH 1/5] ARM i.MX6 USB phy: Fix phy function names Sascha Hauer
  2013-01-20 10:19 ` [PATCH 2/5] ARM i.MX6: Fix usb phy base addresses Sascha Hauer
@ 2013-01-20 10:19 ` Sascha Hauer
  2013-01-20 10:19 ` [PATCH 4/5] USB: Add usb phy driver for i.MX Sascha Hauer
  2013-01-20 10:19 ` [PATCH 5/5] ARM i.MX6: Add Chipidea support Sascha Hauer
  4 siblings, 0 replies; 6+ messages in thread
From: Sascha Hauer @ 2013-01-20 10:19 UTC (permalink / raw)
  To: barebox

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/clk-imx6.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/mach-imx/clk-imx6.c b/arch/arm/mach-imx/clk-imx6.c
index f78d3d2..f1b167a 100644
--- a/arch/arm/mach-imx/clk-imx6.c
+++ b/arch/arm/mach-imx/clk-imx6.c
@@ -205,6 +205,9 @@ static int imx6_ccm_probe(struct device_d *dev)
 	clks[pll7_usb_host] = imx_clk_pllv3(IMX_PLLV3_USB,	"pll7_usb_host","osc", base + 0x20, 0x3);
 	clks[pll6_enet]     = imx_clk_pllv3(IMX_PLLV3_ENET,	"pll6_enet",	"osc", base + 0xe0, 0x3);
 
+	clks[usbphy1] = imx_clk_gate("usbphy1", "pll3_usb_otg", base + 0x10, 6);
+	clks[usbphy2] = imx_clk_gate("usbphy2", "pll7_usb_host", base + 0x20, 6);
+
 	clks[sata_ref] = imx_clk_fixed_factor("sata_ref", "pll6_enet", 1, 5);
 	clks[pcie_ref] = imx_clk_fixed_factor("pcie_ref", "pll6_enet", 1, 4);
 	clks[sata_ref_100m] = imx_clk_gate("sata_ref_100m", "sata_ref", base + 0xe0, 20);
@@ -298,6 +301,8 @@ static int imx6_ccm_probe(struct device_d *dev)
 	clkdev_add_physbase(clks[ipg_per], MX6_I2C2_BASE_ADDR, NULL);
 	clkdev_add_physbase(clks[ipg_per], MX6_I2C3_BASE_ADDR, NULL);
 	clkdev_add_physbase(clks[ahb], MX6_SATA_BASE_ADDR, NULL);
+	clkdev_add_physbase(clks[usbphy1], MX6_USBPHY1_BASE_ADDR, NULL);
+	clkdev_add_physbase(clks[usbphy2], MX6_USBPHY2_BASE_ADDR, NULL);
 
 	writel(0xffffffff, ccm_base + CCGR0);
 	writel(0xffffffff, ccm_base + CCGR1);
-- 
1.7.10.4


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^ permalink raw reply	[flat|nested] 6+ messages in thread
* [PATCH 4/5] USB: Add usb phy driver for i.MX
  2013-01-20 10:19 [PATCH] i.MX6 USB phy support Sascha Hauer
                   ` (2 preceding siblings ...)
  2013-01-20 10:19 ` [PATCH 3/5] ARM i.MX6: Add usbphy clocks Sascha Hauer
@ 2013-01-20 10:19 ` Sascha Hauer
  2013-01-20 10:19 ` [PATCH 5/5] ARM i.MX6: Add Chipidea support Sascha Hauer
  4 siblings, 0 replies; 6+ messages in thread
From: Sascha Hauer @ 2013-01-20 10:19 UTC (permalink / raw)
  To: barebox

This phy is found on i.MX6 and i.MX23/28. Currently tested only on i.MX6.
For now we take the easy way out. The phy is enabled upon registration.
More elaborated handling can be added later.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/usb/imx/Kconfig       |    5 ++
 drivers/usb/imx/Makefile      |    1 +
 drivers/usb/imx/imx-usb-phy.c |  105 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 111 insertions(+)
 create mode 100644 drivers/usb/imx/imx-usb-phy.c

diff --git a/drivers/usb/imx/Kconfig b/drivers/usb/imx/Kconfig
index 2c52e72..b1ce682 100644
--- a/drivers/usb/imx/Kconfig
+++ b/drivers/usb/imx/Kconfig
@@ -13,3 +13,8 @@ config USB_IMX_CHIPIDEA
 	  This driver is recommended for new designs, but it needs board
 	  support to work.
 	  It's safe to say yes here. Also select EHCI support for USB host.
+
+config USB_IMX_PHY
+	bool
+	depends on ARCH_IMX
+	default y if ARCH_IMX6
diff --git a/drivers/usb/imx/Makefile b/drivers/usb/imx/Makefile
index e37361c..e15bc71 100644
--- a/drivers/usb/imx/Makefile
+++ b/drivers/usb/imx/Makefile
@@ -1 +1,2 @@
 obj-$(CONFIG_USB_IMX_CHIPIDEA) += imx-usb-misc.o chipidea-imx.o
+obj-$(CONFIG_USB_IMX_PHY) += imx-usb-phy.o
diff --git a/drivers/usb/imx/imx-usb-phy.c b/drivers/usb/imx/imx-usb-phy.c
new file mode 100644
index 0000000..ce9c93f
--- /dev/null
+++ b/drivers/usb/imx/imx-usb-phy.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2013 Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include <common.h>
+#include <init.h>
+#include <io.h>
+#include <driver.h>
+#include <malloc.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+#define SET				0x4
+#define CLR				0x8
+
+#define USBPHY_CTRL			0x30
+
+#define USBPHY_CTRL_SFTRST		(1 << 31)
+#define USBPHY_CTRL_CLKGATE		(1 << 30)
+#define USBPHY_CTRL_ENUTMILEVEL3	(1 << 15)
+#define USBPHY_CTRL_ENUTMILEVEL2	(1 << 14)
+
+struct imx_usbphy {
+	void __iomem *base;
+	struct clk *clk;
+};
+
+static int imx_usbphy_enable(struct imx_usbphy *imxphy)
+{
+	u32 val;
+
+	clk_enable(imxphy->clk);
+
+	/* reset usbphy */
+	writel(USBPHY_CTRL_SFTRST, imxphy->base + USBPHY_CTRL + SET);
+
+	udelay(10);
+
+	/* clr reset and clkgate */
+	writel(USBPHY_CTRL_SFTRST | USBPHY_CTRL_CLKGATE,
+			imxphy->base + USBPHY_CTRL + CLR);
+
+	/* clr all pwd bits => power up phy */
+	writel(0xffffffff, imxphy->base + CLR);
+
+	/* set utmilvl2/3 */
+	val = readl(imxphy->base + USBPHY_CTRL);
+	val |= USBPHY_CTRL_ENUTMILEVEL3 | USBPHY_CTRL_ENUTMILEVEL2;
+	writel(val, imxphy->base + USBPHY_CTRL + SET);
+
+	return 0;
+}
+
+static int imx_usbphy_probe(struct device_d *dev)
+{
+	int ret;
+	struct imx_usbphy *imxphy;
+
+	imxphy = xzalloc(sizeof(*imxphy));
+
+	imxphy->base = dev_request_mem_region(dev, 0);
+	if (!imxphy->base) {
+		ret = -ENODEV;
+		goto err_free;
+	}
+
+	imxphy->clk = clk_get(dev, NULL);
+	if (IS_ERR(imxphy->clk)) {
+		dev_err(dev, "could not get clk: %s\n", strerror(-PTR_ERR(imxphy->clk)));
+		goto err_clk;
+	}
+
+	imx_usbphy_enable(imxphy);
+
+	dev_dbg(dev, "phy enabled\n");
+
+	return 0;
+
+err_clk:
+err_free:
+	free(imxphy);
+
+	return ret;
+};
+
+static struct driver_d imx_usbphy_driver = {
+	.name   = "imx-usb-phy",
+	.probe  = imx_usbphy_probe,
+};
+
+static int imx_usbphy_init(void)
+{
+	return platform_driver_register(&imx_usbphy_driver);
+}
+coredevice_initcall(imx_usbphy_init);
-- 
1.7.10.4


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^ permalink raw reply	[flat|nested] 6+ messages in thread
* [PATCH 5/5] ARM i.MX6: Add Chipidea support
  2013-01-20 10:19 [PATCH] i.MX6 USB phy support Sascha Hauer
                   ` (3 preceding siblings ...)
  2013-01-20 10:19 ` [PATCH 4/5] USB: Add usb phy driver for i.MX Sascha Hauer
@ 2013-01-20 10:19 ` Sascha Hauer
  4 siblings, 0 replies; 6+ messages in thread
From: Sascha Hauer @ 2013-01-20 10:19 UTC (permalink / raw)
  To: barebox

This allows to register the USB ports for the chipidea driver. For
now the otg/h1 register functions also register the corresponding
USB phys.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/imx6.c                      |    1 +
 arch/arm/mach-imx/include/mach/devices-imx6.h |   26 +++++++++++++++++++++++++
 drivers/usb/imx/imx-usb-misc.c                |   12 ++++++++++++
 3 files changed, 39 insertions(+)

diff --git a/arch/arm/mach-imx/imx6.c b/arch/arm/mach-imx/imx6.c
index 37ee5d8..b62f412 100644
--- a/arch/arm/mach-imx/imx6.c
+++ b/arch/arm/mach-imx/imx6.c
@@ -68,6 +68,7 @@ static int imx6_init(void)
 	add_generic_device("imx31-gpio", 5, NULL, MX6_GPIO6_BASE_ADDR, 0x4000, IORESOURCE_MEM, NULL);
 	add_generic_device("imx31-gpio", 6, NULL, MX6_GPIO7_BASE_ADDR, 0x4000, IORESOURCE_MEM, NULL);
 	add_generic_device("imx21-wdt", 0, NULL, MX6_WDOG1_BASE_ADDR, 0x4000, IORESOURCE_MEM, NULL);
+	add_generic_device("imx6-usb-misc", 0, NULL, MX6_USBOH3_USB_BASE_ADDR + 0x800, 0x100, IORESOURCE_MEM, NULL);
 
 	return 0;
 }
diff --git a/arch/arm/mach-imx/include/mach/devices-imx6.h b/arch/arm/mach-imx/include/mach/devices-imx6.h
index 0f17016..a9c7e8d 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx6.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx6.h
@@ -69,3 +69,29 @@ static inline struct device_d *imx6_add_sata(void)
 {
 	return add_generic_device("imx6-sata", 0, NULL, MX6_SATA_BASE_ADDR, 0x1000, IORESOURCE_MEM, NULL);
 }
+
+static inline struct device_d *imx6_add_usbotg(void *pdata)
+{
+	add_generic_device("imx-usb-phy", 0, NULL, MX6_USBPHY1_BASE_ADDR, 0x1000,
+			IORESOURCE_MEM, NULL);
+
+	return imx_add_usb((void *)MX6_USBOH3_USB_BASE_ADDR, 0, pdata);
+}
+
+static inline struct device_d *imx6_add_usbh1(void *pdata)
+{
+	add_generic_device("imx-usb-phy", 1, NULL, MX6_USBPHY2_BASE_ADDR, 0x1000,
+			IORESOURCE_MEM, NULL);
+
+	return imx_add_usb((void *)MX6_USBOH3_USB_BASE_ADDR + 0x200, 1, pdata);
+}
+
+static inline struct device_d *imx6_add_usbh2(void *pdata)
+{
+	return imx_add_usb((void *)MX6_USBOH3_USB_BASE_ADDR + 0x400, 2, pdata);
+}
+
+static inline struct device_d *imx6_add_usbh3(void *pdata)
+{
+	return imx_add_usb((void *)MX6_USBOH3_USB_BASE_ADDR + 0x600, 2, pdata);
+}
diff --git a/drivers/usb/imx/imx-usb-misc.c b/drivers/usb/imx/imx-usb-misc.c
index 7c0ba5c..4cdf5ab 100644
--- a/drivers/usb/imx/imx-usb-misc.c
+++ b/drivers/usb/imx/imx-usb-misc.c
@@ -324,6 +324,12 @@ static __maybe_unused int mx5_initialize_usb_hw(void __iomem *base, int port,
 	return 0;
 }
 
+static __maybe_unused int mx6_initialize_usb_hw(void __iomem *base, int port,
+		unsigned int flags)
+{
+	return 0;
+}
+
 static struct platform_device_id imx_usbmisc_ids[] = {
 #ifdef CONFIG_ARCH_IMX25
 	{
@@ -361,6 +367,12 @@ static struct platform_device_id imx_usbmisc_ids[] = {
 		.driver_data = (unsigned long)&mx5_initialize_usb_hw,
 	},
 #endif
+#ifdef CONFIG_ARCH_IMX6
+	{
+		.name = "imx6-usb-misc",
+		.driver_data = (unsigned long)&mx6_initialize_usb_hw,
+	},
+#endif
 	{
                 /* sentinel */
 	},
-- 
1.7.10.4


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^ permalink raw reply	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2013-01-20 10:20 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-01-20 10:19 [PATCH] i.MX6 USB phy support Sascha Hauer
2013-01-20 10:19 ` [PATCH 1/5] ARM i.MX6 USB phy: Fix phy function names Sascha Hauer
2013-01-20 10:19 ` [PATCH 2/5] ARM i.MX6: Fix usb phy base addresses Sascha Hauer
2013-01-20 10:19 ` [PATCH 3/5] ARM i.MX6: Add usbphy clocks Sascha Hauer
2013-01-20 10:19 ` [PATCH 4/5] USB: Add usb phy driver for i.MX Sascha Hauer
2013-01-20 10:19 ` [PATCH 5/5] ARM i.MX6: Add Chipidea support Sascha Hauer

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