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ARM: shmobile: lager: Add USBHS support

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This adds USBHS PHY and registers USBHS device if the driver is enabled.

Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Valentine Barshak 2014-01-25 02:28:47 +04:00 committed by Simon Horman
parent ca1187521b
commit 1eabe028f8
1 changed files with 138 additions and 0 deletions
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138
arch/arm/mach-shmobile/board-lager.c
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@ -30,6 +30,7 @@
#include <linux/platform_data/camera-rcar.h>
#include <linux/platform_data/gpio-rcar.h>
#include <linux/platform_data/rcar-du.h>
#include <linux/platform_data/usb-rcar-gen2-phy.h>
#include <linux/platform_device.h>
#include <linux/phy.h>
#include <linux/regulator/driver.h>
@ -37,6 +38,8 @@
#include <linux/regulator/gpio-regulator.h>
#include <linux/regulator/machine.h>
#include <linux/sh_eth.h>
#include <linux/usb/phy.h>
#include <linux/usb/renesas_usbhs.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/r8a7790.h>
@ -364,6 +367,131 @@ static const struct platform_device_info sata1_info __initconst = {
.dma_mask = DMA_BIT_MASK(32),
};
/* USBHS */
#if IS_ENABLED(CONFIG_USB_RENESAS_USBHS_UDC)
static const struct resource usbhs_resources[] __initconst = {
DEFINE_RES_MEM(0xe6590000, 0x100),
DEFINE_RES_IRQ(gic_spi(107)),
};
struct usbhs_private {
struct renesas_usbhs_platform_info info;
struct usb_phy *phy;
};
#define usbhs_get_priv(pdev) \
container_of(renesas_usbhs_get_info(pdev), struct usbhs_private, info)
static int usbhs_power_ctrl(struct platform_device *pdev,
void __iomem *base, int enable)
{
struct usbhs_private *priv = usbhs_get_priv(pdev);
if (!priv->phy)
return -ENODEV;
if (enable) {
int retval = usb_phy_init(priv->phy);
if (!retval)
retval = usb_phy_set_suspend(priv->phy, 0);
return retval;
}
usb_phy_set_suspend(priv->phy, 1);
usb_phy_shutdown(priv->phy);
return 0;
}
static int usbhs_hardware_init(struct platform_device *pdev)
{
struct usbhs_private *priv = usbhs_get_priv(pdev);
struct usb_phy *phy;
phy = usb_get_phy_dev(&pdev->dev, 0);
if (IS_ERR(phy))
return PTR_ERR(phy);
priv->phy = phy;
return 0;
}
static int usbhs_hardware_exit(struct platform_device *pdev)
{
struct usbhs_private *priv = usbhs_get_priv(pdev);
if (!priv->phy)
return 0;
usb_put_phy(priv->phy);
priv->phy = NULL;
return 0;
}
static int usbhs_get_id(struct platform_device *pdev)
{
return USBHS_GADGET;
}
static u32 lager_usbhs_pipe_type[] = {
USB_ENDPOINT_XFER_CONTROL,
USB_ENDPOINT_XFER_ISOC,
USB_ENDPOINT_XFER_ISOC,
USB_ENDPOINT_XFER_BULK,
USB_ENDPOINT_XFER_BULK,
USB_ENDPOINT_XFER_BULK,
USB_ENDPOINT_XFER_INT,
USB_ENDPOINT_XFER_INT,
USB_ENDPOINT_XFER_INT,
USB_ENDPOINT_XFER_BULK,
USB_ENDPOINT_XFER_BULK,
USB_ENDPOINT_XFER_BULK,
USB_ENDPOINT_XFER_BULK,
USB_ENDPOINT_XFER_BULK,
USB_ENDPOINT_XFER_BULK,
USB_ENDPOINT_XFER_BULK,
};
static struct usbhs_private usbhs_priv __initdata = {
.info = {
.platform_callback = {
.power_ctrl = usbhs_power_ctrl,
.hardware_init = usbhs_hardware_init,
.hardware_exit = usbhs_hardware_exit,
.get_id = usbhs_get_id,
},
.driver_param = {
.buswait_bwait = 4,
.pipe_type = lager_usbhs_pipe_type,
.pipe_size = ARRAY_SIZE(lager_usbhs_pipe_type),
},
}
};
static void __init lager_register_usbhs(void)
{
usb_bind_phy("renesas_usbhs", 0, "usb_phy_rcar_gen2");
platform_device_register_resndata(&platform_bus,
"renesas_usbhs", -1,
usbhs_resources,
ARRAY_SIZE(usbhs_resources),
&usbhs_priv.info,
sizeof(usbhs_priv.info));
}
#else /* CONFIG_USB_RENESAS_USBHS_UDC */
static inline void lager_register_usbhs(void) { }
#endif /* CONFIG_USB_RENESAS_USBHS_UDC */
/* USBHS PHY */
static const struct rcar_gen2_phy_platform_data usbhs_phy_pdata __initconst = {
.chan0_pci = 0, /* Channel 0 is USBHS */
.chan2_pci = 1, /* Channel 2 is PCI USB */
};
static const struct resource usbhs_phy_resources[] __initconst = {
DEFINE_RES_MEM(0xe6590100, 0x100),
};
static const struct pinctrl_map lager_pinctrl_map[] = {
/* DU (CN10: ARGB0, CN13: LVDS) */
PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790",
@ -408,6 +536,9 @@ static const struct pinctrl_map lager_pinctrl_map[] = {
"vin1_data8", "vin1"),
PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-vin.1", "pfc-r8a7790",
"vin1_clk", "vin1"),
/* USB0 */
PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7790",
"usb0", "usb0"),
};
static void __init lager_add_standard_devices(void)
@ -461,6 +592,13 @@ static void __init lager_add_standard_devices(void)
lager_add_camera1_device();
platform_device_register_full(&sata1_info);
platform_device_register_resndata(&platform_bus, "usb_phy_rcar_gen2",
-1, usbhs_phy_resources,
ARRAY_SIZE(usbhs_phy_resources),
&usbhs_phy_pdata,
sizeof(usbhs_phy_pdata));
lager_register_usbhs();
}
/*