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path: root/drivers/usb/gadget
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Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/f_fs.c6
-rw-r--r--drivers/usb/gadget/fsl_mxc_udc.c40
-rw-r--r--drivers/usb/gadget/fsl_udc_core.c42
-rw-r--r--drivers/usb/gadget/fsl_usb2_udc.h5
4 files changed, 57 insertions, 36 deletions
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 4a6961c517f2..8c2f25121149 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1153,15 +1153,15 @@ static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts)
 					pr_err("%s: unmapped value: %lu\n", opts, value);
 					return -EINVAL;
 				}
-			}
-			else if (!memcmp(opts, "gid", 3))
+			} else if (!memcmp(opts, "gid", 3)) {
 				data->perms.gid = make_kgid(current_user_ns(), value);
 				if (!gid_valid(data->perms.gid)) {
 					pr_err("%s: unmapped value: %lu\n", opts, value);
 					return -EINVAL;
 				}
-			else
+			} else {
 				goto invalid;
+			}
 			break;
 
 		default:
diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c
index 1b0f086426bd..d3bd7b095ba3 100644
--- a/drivers/usb/gadget/fsl_mxc_udc.c
+++ b/drivers/usb/gadget/fsl_mxc_udc.c
@@ -18,14 +18,13 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 
-#include <mach/hardware.h>
-
 static struct clk *mxc_ahb_clk;
 static struct clk *mxc_per_clk;
 static struct clk *mxc_ipg_clk;
 
 /* workaround ENGcm09152 for i.MX35 */
-#define USBPHYCTRL_OTGBASE_OFFSET	0x608
+#define MX35_USBPHYCTRL_OFFSET		0x600
+#define USBPHYCTRL_OTGBASE_OFFSET	0x8
 #define USBPHYCTRL_EVDO			(1 << 23)
 
 int fsl_udc_clk_init(struct platform_device *pdev)
@@ -59,7 +58,7 @@ int fsl_udc_clk_init(struct platform_device *pdev)
 	clk_prepare_enable(mxc_per_clk);
 
 	/* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */
-	if (!cpu_is_mx51()) {
+	if (!strcmp(pdev->id_entry->name, "imx-udc-mx27")) {
 		freq = clk_get_rate(mxc_per_clk);
 		if (pdata->phy_mode != FSL_USB2_PHY_ULPI &&
 		    (freq < 59999000 || freq > 60001000)) {
@@ -79,27 +78,40 @@ eclkrate:
 	return ret;
 }
 
-void fsl_udc_clk_finalize(struct platform_device *pdev)
+int fsl_udc_clk_finalize(struct platform_device *pdev)
 {
 	struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
-	if (cpu_is_mx35()) {
-		unsigned int v;
+	int ret = 0;
 
-		/* workaround ENGcm09152 for i.MX35 */
-		if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) {
-			v = readl(MX35_IO_ADDRESS(MX35_USB_BASE_ADDR +
-					USBPHYCTRL_OTGBASE_OFFSET));
-			writel(v | USBPHYCTRL_EVDO,
-				MX35_IO_ADDRESS(MX35_USB_BASE_ADDR +
-					USBPHYCTRL_OTGBASE_OFFSET));
+	/* workaround ENGcm09152 for i.MX35 */
+	if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) {
+		unsigned int v;
+		struct resource *res = platform_get_resource
+			(pdev, IORESOURCE_MEM, 0);
+		void __iomem *phy_regs = ioremap(res->start +
+						MX35_USBPHYCTRL_OFFSET, 512);
+		if (!phy_regs) {
+			dev_err(&pdev->dev, "ioremap for phy address fails\n");
+			ret = -EINVAL;
+			goto ioremap_err;
 		}
+
+		v = readl(phy_regs + USBPHYCTRL_OTGBASE_OFFSET);
+		writel(v | USBPHYCTRL_EVDO,
+			phy_regs + USBPHYCTRL_OTGBASE_OFFSET);
+
+		iounmap(phy_regs);
 	}
 
+
+ioremap_err:
 	/* ULPI transceivers don't need usbpll */
 	if (pdata->phy_mode == FSL_USB2_PHY_ULPI) {
 		clk_disable_unprepare(mxc_per_clk);
 		mxc_per_clk = NULL;
 	}
+
+	return ret;
 }
 
 void fsl_udc_clk_release(void)
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index c19f7f13790b..667275cb7bad 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -41,6 +41,7 @@
 #include <linux/fsl_devices.h>
 #include <linux/dmapool.h>
 #include <linux/delay.h>
+#include <linux/of_device.h>
 
 #include <asm/byteorder.h>
 #include <asm/io.h>
@@ -2438,11 +2439,6 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 	unsigned int i;
 	u32 dccparams;
 
-	if (strcmp(pdev->name, driver_name)) {
-		VDBG("Wrong device");
-		return -ENODEV;
-	}
-
 	udc_controller = kzalloc(sizeof(struct fsl_udc), GFP_KERNEL);
 	if (udc_controller == NULL) {
 		ERR("malloc udc failed\n");
@@ -2547,7 +2543,9 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
 		dr_controller_setup(udc_controller);
 	}
 
-	fsl_udc_clk_finalize(pdev);
+	ret = fsl_udc_clk_finalize(pdev);
+	if (ret)
+		goto err_free_irq;
 
 	/* Setup gadget structure */
 	udc_controller->gadget.ops = &fsl_gadget_ops;
@@ -2756,22 +2754,32 @@ static int fsl_udc_otg_resume(struct device *dev)
 
 	return fsl_udc_resume(NULL);
 }
-
 /*-------------------------------------------------------------------------
 	Register entry point for the peripheral controller driver
 --------------------------------------------------------------------------*/
-
+static const struct platform_device_id fsl_udc_devtype[] = {
+	{
+		.name = "imx-udc-mx27",
+	}, {
+		.name = "imx-udc-mx51",
+	}, {
+		/* sentinel */
+	}
+};
+MODULE_DEVICE_TABLE(platform, fsl_udc_devtype);
 static struct platform_driver udc_driver = {
-	.remove  = __exit_p(fsl_udc_remove),
+	.remove		= __exit_p(fsl_udc_remove),
+	/* Just for FSL i.mx SoC currently */
+	.id_table	= fsl_udc_devtype,
 	/* these suspend and resume are not usb suspend and resume */
-	.suspend = fsl_udc_suspend,
-	.resume  = fsl_udc_resume,
-	.driver  = {
-		.name = (char *)driver_name,
-		.owner = THIS_MODULE,
-		/* udc suspend/resume called from OTG driver */
-		.suspend = fsl_udc_otg_suspend,
-		.resume  = fsl_udc_otg_resume,
+	.suspend	= fsl_udc_suspend,
+	.resume		= fsl_udc_resume,
+	.driver		= {
+			.name = (char *)driver_name,
+			.owner = THIS_MODULE,
+			/* udc suspend/resume called from OTG driver */
+			.suspend = fsl_udc_otg_suspend,
+			.resume  = fsl_udc_otg_resume,
 	},
 };
 
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h
index f61a967f7082..c6703bb07b23 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.h
+++ b/drivers/usb/gadget/fsl_usb2_udc.h
@@ -592,15 +592,16 @@ static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)
 struct platform_device;
 #ifdef CONFIG_ARCH_MXC
 int fsl_udc_clk_init(struct platform_device *pdev);
-void fsl_udc_clk_finalize(struct platform_device *pdev);
+int fsl_udc_clk_finalize(struct platform_device *pdev);
 void fsl_udc_clk_release(void);
 #else
 static inline int fsl_udc_clk_init(struct platform_device *pdev)
 {
 	return 0;
 }
-static inline void fsl_udc_clk_finalize(struct platform_device *pdev)
+static inline int fsl_udc_clk_finalize(struct platform_device *pdev)
 {
+	return 0;
 }
 static inline void fsl_udc_clk_release(void)
 {
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-23 14:39:38 +0000