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Commit f427eb64 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Felipe Balbi
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usb: gadget: renesas_usbhs: support otg pin control 



some renesas_usbhs device is supporting OTG external device interface.
In that device, it is necessary to control PWEN/EXTLP on DVSTCTR.
This patch support it.
But renesas_usbhs driver doesn't have OTG support for now.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 6ff5d09b

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

+1 −0
Original line number Diff line number Diff line
@@ -808,6 +808,7 @@ static struct usbhs_private usbhs1_private = { 
		},

		.driver_param = {

			.buswait_bwait	= 4,

			.has_otg	= 1,

			.pipe_type	= usbhs1_pipe_cfg,

			.pipe_size	= ARRAY_SIZE(usbhs1_pipe_cfg),

		},

drivers/usb/renesas_usbhs/common.c

+4 −0
Original line number Diff line number Diff line
@@ -114,6 +114,10 @@ void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable) 
{

	u16 mask = DCFM | DRPD | DPRPU;

	u16 val  = DCFM | DRPD;

	int has_otg = usbhs_get_dparam(priv, has_otg);



	if (has_otg)

		usbhs_bset(priv, DVSTCTR, (EXTLP | PWEN), (EXTLP | PWEN));



	/*

	 * if enable

include/linux/usb/renesas_usbhs.h

+5 −0
Original line number Diff line number Diff line
@@ -136,6 +136,11 @@ struct renesas_usbhs_driver_param { 
	 * pio <--> dma border.

	 */

	int pio_dma_border; /* default is 64byte */



	/*

	 * option:

	 */

	u32 has_otg:1; /* for controlling PWEN/EXTLP */

};



/*