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Subject[PATCH] phy: omap: Adapt phy-omap-usb2 for AM437x
Date
This patch adds a compatible for AM437x "ti,am43xx-usb2" to
reuse the same phy-omap-usb2 driver.

Also updated the documentation to add the new compatible.

Signed-off-by: George Cherian <george.cherian@ti.com>
---
Documentation/devicetree/bindings/usb/usb-phy.txt | 2 +-
drivers/phy/phy-omap-usb2.c | 13 ++++++++++---
2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/usb-phy.txt b/Documentation/devicetree/bindings/usb/usb-phy.txt
index c0245c8..d5a7f21 100644
--- a/Documentation/devicetree/bindings/usb/usb-phy.txt
+++ b/Documentation/devicetree/bindings/usb/usb-phy.txt
@@ -3,7 +3,7 @@ USB PHY
OMAP USB2 PHY

Required properties:
- - compatible: Should be "ti,omap-usb2"
+ - compatible: Should be "ti,omap-usb2" or "ti,am437x-usb2"
- reg : Address and length of the register set for the device.
- #phy-cells: determine the number of cells that should be given in the
phandle while referencing this phy.
diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c
index bfc5c33..0529c83 100644
--- a/drivers/phy/phy-omap-usb2.c
+++ b/drivers/phy/phy-omap-usb2.c
@@ -29,6 +29,7 @@
#include <linux/delay.h>
#include <linux/usb/omap_control_usb.h>
#include <linux/phy/phy.h>
+#include <linux/of.h>
#include <linux/of_platform.h>

/**
@@ -172,7 +173,10 @@ static int omap_usb2_probe(struct platform_device *pdev)
phy->dev = &pdev->dev;

phy->phy.dev = phy->dev;
- phy->phy.label = "omap-usb2";
+ if (of_device_is_compatible(node, "ti,am437x-usb2"))
+ phy->phy.label = "am437x-usb2";
+ else
+ phy->phy.label = "omap-usb2";
phy->phy.set_suspend = omap_usb2_suspend;
phy->phy.otg = otg;
phy->phy.type = USB_PHY_TYPE_USB2;
@@ -201,8 +205,10 @@ static int omap_usb2_probe(struct platform_device *pdev)

otg->set_host = omap_usb_set_host;
otg->set_peripheral = omap_usb_set_peripheral;
- otg->set_vbus = omap_usb_set_vbus;
- otg->start_srp = omap_usb_start_srp;
+ if (of_device_is_compatible(node, "ti,omap-usb2")) {
+ otg->set_vbus = omap_usb_set_vbus;
+ otg->start_srp = omap_usb_start_srp;
+ }
otg->phy = &phy->phy;

platform_set_drvdata(pdev, phy);
@@ -300,6 +306,7 @@ static const struct dev_pm_ops omap_usb2_pm_ops = {
#ifdef CONFIG_OF
static const struct of_device_id omap_usb2_id_table[] = {
{ .compatible = "ti,omap-usb2" },
+ { .compatible = "ti,am437x-usb2" },
{}
};
MODULE_DEVICE_TABLE(of, omap_usb2_id_table);
--
1.8.1


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