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phy: ti: usb2: Add support for AM654 USB2 PHY 

Add support for the USB2 PHY on the AM654 SoC.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Roger Quadros 2018-12-05 17:03:26 +02:00 committed by Kishon Vijay Abraham I
parent e712792ec0
commit 6777cee3a8
2 changed files with 19 additions and 2 deletions
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4
drivers/phy/ti/Kconfig
View File

@ -33,11 +33,11 @@ config OMAP_CONTROL_PHY
config OMAP_USB2
tristate "OMAP USB2 PHY Driver"
depends on ARCH_OMAP2PLUS
depends on ARCH_OMAP2PLUS || ARCH_K3
depends on USB_SUPPORT
select GENERIC_PHY
select USB_PHY
select OMAP_CONTROL_PHY
select OMAP_CONTROL_PHY if ARCH_OMAP2PLUS
help
Enable this to support the transceiver that is part of SOC. This
driver takes care of all the PHY functionality apart from comparator.

17
drivers/phy/ti/phy-omap-usb2.c
View File

@ -36,6 +36,10 @@
#define USB2PHY_DISCON_BYP_LATCH (1 << 31)
#define USB2PHY_ANA_CONFIG1 0x4c
#define AM654_USB2_OTG_PD BIT(8)
#define AM654_USB2_VBUS_DET_EN BIT(5)
#define AM654_USB2_VBUSVALID_DET_EN BIT(4)
/**
* omap_usb2_set_comparator - links the comparator present in the sytem with
* this phy
@ -245,6 +249,15 @@ static const struct usb_phy_data am437x_usb2_data = {
.power_off = AM437X_USB2_PHY_PD | AM437X_USB2_OTG_PD,
};
static const struct usb_phy_data am654_usb2_data = {
.label = "am654_usb2",
.flags = OMAP_USB2_CALIBRATE_FALSE_DISCONNECT,
.mask = AM654_USB2_OTG_PD | AM654_USB2_VBUS_DET_EN |
AM654_USB2_VBUSVALID_DET_EN,
.power_on = AM654_USB2_VBUS_DET_EN | AM654_USB2_VBUSVALID_DET_EN,
.power_off = AM654_USB2_OTG_PD,
};
static const struct of_device_id omap_usb2_id_table[] = {
{
.compatible = "ti,omap-usb2",
@ -266,6 +279,10 @@ static const struct of_device_id omap_usb2_id_table[] = {
.compatible = "ti,am437x-usb2",
.data = &am437x_usb2_data,
},
{
.compatible = "ti,am654-usb2",
.data = &am654_usb2_data,
},
{},
};
MODULE_DEVICE_TABLE(of, omap_usb2_id_table);