leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ARM: shmobile: bockw: add USB Function support

Browse Source 
Bock-W USB1 (CN29) can be USB Host/Func by SW98/SW99 settings.
USB Func will be enabled if CONFIG_USB_RENESAS_USBHS_UDC[_MODULE]
was selected on this patch

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Kuninori Morimoto 2013-08-04 17:43:37 -07:00 committed by Simon Horman
parent 1f52c65975
commit 81a0d9062d
1 changed files with 78 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

81
arch/arm/mach-shmobile/board-bockw.c
View File

@ -32,6 +32,7 @@
#include <linux/smsc911x.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/usb/renesas_usbhs.h>
#include <media/soc_camera.h>
#include <mach/common.h>
#include <mach/irqs.h>
@ -99,6 +100,16 @@ static void __iomem *fpga;
* # amixer set "LINEOUT Mixer DACL" on
*/
/*
* USB
*
* USB1 (CN29) can be Host/Function
*
* Host Func
* SW98 1 2
* SW99 1 3
*/
/* Dummy supplies, where voltage doesn't matter */
static struct regulator_consumer_supply dummy_supplies[] = {
REGULATOR_SUPPLY("vddvario", "smsc911x"),
@ -117,13 +128,71 @@ static struct resource smsc911x_resources[] __initdata = {
DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */
};
#if IS_ENABLED(CONFIG_USB_RENESAS_USBHS_UDC)
/*
* When USB1 is Func
*/
static int usbhsf_get_id(struct platform_device *pdev)
{
return USBHS_GADGET;
}
#define SUSPMODE 0x102
static int usbhsf_power_ctrl(struct platform_device *pdev,
void __iomem *base, int enable)
{
enable = !!enable;
r8a7778_usb_phy_power(enable);
iowrite16(enable << 14, base + SUSPMODE);
return 0;
}
static struct resource usbhsf_resources[] __initdata = {
DEFINE_RES_MEM(0xffe60000, 0x110),
DEFINE_RES_IRQ(gic_iid(0x4f)),
};
static struct renesas_usbhs_platform_info usbhs_info __initdata = {
.platform_callback = {
.get_id = usbhsf_get_id,
.power_ctrl = usbhsf_power_ctrl,
},
.driver_param = {
.buswait_bwait = 4,
},
};
#define USB_PHY_SETTING {.port1_func = 1, .ovc_pin[1].active_high = 1,}
#define USB1_DEVICE "renesas_usbhs"
#define ADD_USB_FUNC_DEVICE_IF_POSSIBLE() \
platform_device_register_resndata( \
&platform_bus, "renesas_usbhs", -1, \
usbhsf_resources, \
ARRAY_SIZE(usbhsf_resources), \
&usbhs_info, sizeof(struct renesas_usbhs_platform_info))
#else
/*
* When USB1 is Host
*/
#define USB_PHY_SETTING { }
#define USB1_DEVICE "ehci-platform"
#define ADD_USB_FUNC_DEVICE_IF_POSSIBLE()
#endif
/* USB */
static struct resource usb_phy_resources[] __initdata = {
DEFINE_RES_MEM(0xffe70800, 0x100),
DEFINE_RES_MEM(0xffe76000, 0x100),
};
static struct rcar_phy_platform_data usb_phy_platform_data __initdata;
static struct rcar_phy_platform_data usb_phy_platform_data __initdata =
USB_PHY_SETTING;
/* SDHI */
static struct sh_mobile_sdhi_info sdhi0_info __initdata = {
@ -445,7 +514,7 @@ static const struct pinctrl_map bockw_pinctrl_map[] = {
/* USB */
PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform", "pfc-r8a7778",
"usb0", "usb0"),
PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform", "pfc-r8a7778",
PIN_MAP_MUX_GROUP_DEFAULT(USB1_DEVICE, "pfc-r8a7778",
"usb1", "usb1"),
/* SDHI0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
@ -583,6 +652,12 @@ static void __init bockw_init(void)
}
}
static void __init bockw_init_late(void)
{
r8a7778_init_late();
ADD_USB_FUNC_DEVICE_IF_POSSIBLE();
}
static const char *bockw_boards_compat_dt[] __initdata = {
"renesas,bockw",
NULL,
@ -593,5 +668,5 @@ DT_MACHINE_START(BOCKW_DT, "bockw")
.init_irq = r8a7778_init_irq_dt,
.init_machine = bockw_init,
.dt_compat = bockw_boards_compat_dt,
.init_late = r8a7778_init_late,
.init_late = bockw_init_late,
MACHINE_END