The mxs-phy has three versions until now, each versions have
some differences among PHY operations. the 1st version is
for mx23/mx28 SoC, The 2nd version is for mx6q and mx6dl, the
3rd version is for mx6sl and later mx6 platform.
Signed-off-by: Peter Chen <peter.c...@freescale.com>
---
drivers/usb/phy/phy-mxs-usb.c | 65 ++++++++++++++++++++++++++++++++++++-----
1 files changed, 57 insertions(+), 8 deletions(-)
diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c
index fdd33b4..a0628d6 100644
--- a/drivers/usb/phy/phy-mxs-usb.c
+++ b/drivers/usb/phy/phy-mxs-usb.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright 2012-2013 Freescale Semiconductor, Inc.
* Copyright (C) 2012 Marek Vasut <ma...@denx.de>
* on behalf of DENX Software Engineering GmbH
*
@@ -20,6 +20,7 @@
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/io.h>
+#include <linux/of_device.h>
#define DRIVER_NAME "mxs_phy"
@@ -34,12 +35,57 @@
#define BM_USBPHY_CTRL_ENUTMILEVEL2 BIT(14)
#define BM_USBPHY_CTRL_ENHOSTDISCONDETECT BIT(1)
+#define to_mxs_phy(p) container_of((p), struct mxs_phy, phy)
+
+enum imx_phy_type {
+ IMX6Q_USB_PHY,
+ IMX6SL_USB_PHY,
+ IMX23_USB_PHY,
+};
+
struct mxs_phy {
struct usb_phy phy;
struct clk *clk;
+ enum imx_phy_type devtype;
};
-#define to_mxs_phy(p) container_of((p), struct mxs_phy, phy)
+static inline int is_mx6q_phy(struct mxs_phy *data)
+{
+ return data->devtype == IMX6Q_USB_PHY;
+}
+
+static inline int is_mx6sl_phy(struct mxs_phy *data)
+{
+ return data->devtype == IMX6SL_USB_PHY;
+}
+
+static inline int is_mx23_phy(struct mxs_phy *data)
+{
+ return data->devtype == IMX23_USB_PHY;
+}
+
+static struct platform_device_id imx_phy_devtype[] = {
+ {
+ .name = "usb-phy-imx6q",
+ .driver_data = IMX6Q_USB_PHY,
+ }, {
+ .name = "usb-phy-imx6sl",
+ .driver_data = IMX6SL_USB_PHY,
+ }, {
+ .name = "usb-phy-imx23",
+ .driver_data = IMX23_USB_PHY,
+ }, {
+ /* sentinel */
+ }
+};
+
+static const struct of_device_id mxs_phy_dt_ids[] = {
+ { .compatible = "fsl,imx6q-usbphy", .data =
&imx_phy_devtype[IMX6Q_USB_PHY], },
+ { .compatible = "fsl,imx6sl-usbphy", .data =
&imx_phy_devtype[IMX6SL_USB_PHY], },
+ { .compatible = "fsl,imx23-usbphy", .data =
&imx_phy_devtype[IMX23_USB_PHY], },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mxs_phy_dt_ids);
static int mxs_phy_hw_init(struct mxs_phy *mxs_phy)
{
@@ -131,6 +177,14 @@ static int mxs_phy_probe(struct platform_device *pdev)
struct clk *clk;
struct mxs_phy *mxs_phy;
int ret;
+ const struct of_device_id *of_id =
+ of_match_device(mxs_phy_dt_ids, &pdev->dev);
+
+ /* This driver is DT-only version now */
+ if (!of_id)
+ return -ENXIO;
+
+ pdev->id_entry = of_id->data;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(&pdev->dev, res);
@@ -163,6 +217,7 @@ static int mxs_phy_probe(struct platform_device *pdev)
ATOMIC_INIT_NOTIFIER_HEAD(&mxs_phy->phy.notifier);
mxs_phy->clk = clk;
+ mxs_phy->devtype = pdev->id_entry->driver_data;
platform_set_drvdata(pdev, &mxs_phy->phy);
@@ -182,12 +237,6 @@ static int mxs_phy_remove(struct platform_device *pdev)
return 0;
}
-static const struct of_device_id mxs_phy_dt_ids[] = {
- { .compatible = "fsl,imx23-usbphy", },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, mxs_phy_dt_ids);
-
static struct platform_driver mxs_phy_driver = {
.probe = mxs_phy_probe,
.remove = mxs_phy_remove,
--
1.7.1
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