Add platform device for 'nop-usb-xceiv'. This will be used as a
PHY for HS USB Port 2, so provide binding information for it.
Model RESET for HS USB Port 2 as GPIO fixed regulator and link
it to the 'nop-usb-xceiv' PHY.
Signed-off-by: Roger Quadros <rogerq@xxxxxx>
Acked-by: Felipe Balbi <balbi@xxxxxx>
---
arch/arm/mach-omap2/board-omap3evm.c | 62 ++++++++++++++++++++++++++++------
1 files changed, 51 insertions(+), 11 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 48789e0..5da465e 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -34,6 +34,7 @@
#include <linux/usb/otg.h>
#include <linux/usb/musb.h>
#include <linux/usb/nop-usb-xceiv.h>
+#include <linux/usb/phy.h>
#include <linux/smsc911x.h>
#include <linux/wl12xx.h>
@@ -539,17 +540,51 @@ static int __init omap3_evm_i2c_init(void)
return 0;
}
-static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
+/* PHY device on HS USB Port 2 i.e. nop_usb_xceiv.2 */
+static struct platform_device hsusb2_phy_device = {
+ .name = "nop_usb_xceiv",
+ .id = 2,
+};
- .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
- .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
- .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
+/* Regulator for HS USB Port 2 PHY reset */
+static struct regulator_consumer_supply hsusb2_reset_supplies[] = {
+ /* Link PHY device to reset supply so it gets used in the PHY driver */
+ REGULATOR_SUPPLY("reset", "nop_usb_xceiv.2"),
+};
- .phy_reset = true,
- /* PHY reset GPIO will be runtime programmed based on EVM version */
- .reset_gpio_port[0] = -EINVAL,
- .reset_gpio_port[1] = -EINVAL,
- .reset_gpio_port[2] = -EINVAL
+static struct regulator_init_data hsusb2_reset_data = {
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .consumer_supplies = hsusb2_reset_supplies,
+ .num_consumer_supplies = ARRAY_SIZE(hsusb2_reset_supplies),
+};
+
+static struct fixed_voltage_config hsusb2_reset_config = {
+ .supply_name = "hsusb2_reset",
+ .microvolts = 3300000,
+ .gpio = -1, /* set at runtime */
+ .startup_delay = 70000, /* 70msec */
+ .enable_high = 1,
+ .enabled_at_boot = 0, /* keep in RESET */
+ .init_data = &hsusb2_reset_data,
+};
+
+static struct platform_device hsusb2_reset_device = {
+ .name = "reg-fixed-voltage",
+ .id = PLATFORM_DEVID_AUTO,
+ .dev = {
+ .platform_data = &hsusb2_reset_config,
+ },
+};
+
+static struct platform_device *omap3evm_devices[] __initdata = {
+ &hsusb2_phy_device,
+ &hsusb2_reset_device,
+};
+
+static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
+ .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
};
#ifdef CONFIG_OMAP_MUX
@@ -725,7 +760,7 @@ static void __init omap3_evm_init(void)
/* setup EHCI phy reset config */
omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
- usbhs_bdata.reset_gpio_port[1] = 21;
+ hsusb2_reset_config.gpio = 21;
/* EVM REV >= E can supply 500mA with EXTVBUS programming */
musb_board_data.power = 500;
@@ -733,10 +768,15 @@ static void __init omap3_evm_init(void)
} else {
/* setup EHCI phy reset on MDC */
omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);
- usbhs_bdata.reset_gpio_port[1] = 135;
+ hsusb2_reset_config.gpio = 135;
}
usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
usb_musb_init(&musb_board_data);
+
+ platform_add_devices(omap3evm_devices, ARRAY_SIZE(omap3evm_devices));
+ /* PHY on HSUSB Port 2 i.e. index 1 */
+ usb_bind_phy("ehci-omap.0", 1, "nop_usb_xceiv.2");
+
usbhs_init(&usbhs_bdata);
board_nand_init(omap3evm_nand_partitions,
ARRAY_SIZE(omap3evm_nand_partitions), NAND_CS,
--
1.7.4.1
--
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