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Commit 81a0d906 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Simon Horman
Browse files

ARM: shmobile: bockw: add USB Function support 



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: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 1f52c659

arch/arm/mach-shmobile/board-bockw.c

+78 −3
Original line number Diff line number Diff line
@@ -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