diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-10-11 09:06:12 +0400 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2011-10-13 21:41:47 +0400 |
| commit | f427eb64f4c5433a91da5eb139970dd5cbad9082 (patch) | |
| tree | 777650bce6b85cfd2fd65e54eff5ffe5df1c8e38 | |
| parent | 6ff5d09bd2fd5943f5b16cb1e3453446a1f575e2 (diff) | |
| download | linux-f427eb64f4c5433a91da5eb139970dd5cbad9082.tar.xz | |
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: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
| -rw-r--r-- | arch/arm/mach-shmobile/board-mackerel.c | 1 | ||||
| -rw-r--r-- | drivers/usb/renesas_usbhs/common.c | 4 | ||||
| -rw-r--r-- | include/linux/usb/renesas_usbhs.h | 5 |
3 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 0ea71f8d4b89..c20612ea5d0e 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -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), }, diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index b327458f5cad..1161d78e1665 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -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 diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h index 040d8bb2b5a2..e5a40c318548 100644 --- a/include/linux/usb/renesas_usbhs.h +++ b/include/linux/usb/renesas_usbhs.h @@ -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 */ }; /* |