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Date: Mon, 28 Jan 2013 13:30:29 +0200
From: Roger Quadros <rogerq@...com>
To: <tony@...mide.com>
CC: <linux@....linux.org.uk>, <sameo@...ux.intel.com>, <balbi@...com>,
<stern@...land.harvard.edu>, <gregkh@...uxfoundation.org>,
<eballetbo@...il.com>, <javier@...hile0.org>,
<sshtylyov@...sta.com>, <linux-usb@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH 28/30] ARM: OMAP3: overo: Adapt to ehci-omap changes
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@...com>
---
arch/arm/mach-omap2/board-overo.c | 55 +++++++++++++++++++++++++++++++++----
1 files changed, 49 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index b1b0f09..5c6ea7d 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -31,6 +31,7 @@
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/spi/spi.h>
+#include <linux/usb/phy.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
@@ -457,14 +458,51 @@ static int __init overo_spi_init(void)
return 0;
}
+/* 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,
+};
+
+/* 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"),
+};
+
+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 = OVERO_GPIO_USBH_NRESET,
+ .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 *overo_devices[] __initdata = {
+ &hsusb2_phy_device,
+ &hsusb2_reset_device,
+};
+
static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
- .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
- .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
- .phy_reset = true,
- .reset_gpio_port[0] = -EINVAL,
- .reset_gpio_port[1] = OVERO_GPIO_USBH_NRESET,
- .reset_gpio_port[2] = -EINVAL
};
#ifdef CONFIG_OMAP_MUX
@@ -499,7 +537,12 @@ static void __init overo_init(void)
mt46h32m32lf6_sdrc_params);
board_nand_init(overo_nand_partitions,
ARRAY_SIZE(overo_nand_partitions), NAND_CS, 0, NULL);
+ platform_add_devices(overo_devices, ARRAY_SIZE(overo_devices));
usb_musb_init(NULL);
+
+ /* PHY on HSUSB Port 2 i.e. index 1 */
+ usb_bind_phy("ehci-omap.0", 1, "nop_usb_xceiv.2");
+
usbhs_init(&usbhs_bdata);
overo_spi_init();
overo_init_smsc911x();
--
1.7.4.1
--
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