All of lore.kernel.org
 help / color / mirror / Atom feed
From: Damodar Santhapuri <x0132156-l0cyMroinI0@public.gmane.org>
To: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: balbi-l0cyMroinI0@public.gmane.org,
	Ajay Kumar Gupta <ajay.gupta-l0cyMroinI0@public.gmane.org>,
	Damodar Santhapuri <x0132156-l0cyMroinI0@public.gmane.org>
Subject: [PATCH v2 3/3] usb: musb: dsps: enable phy control for am335x
Date: Wed, 11 Jul 2012 15:59:58 +0530	[thread overview]
Message-ID: <1342002598-30633-3-git-send-email-x0132156@ti.com> (raw)
In-Reply-To: <1342002598-30633-1-git-send-email-x0132156-l0cyMroinI0@public.gmane.org>

From: Ajay Kumar Gupta <ajay.gupta-l0cyMroinI0@public.gmane.org>

Enabled the phy control logic for am335x also based on usbss
revision register.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta-l0cyMroinI0@public.gmane.org>
Signed-off-by: Damodar Santhapuri <x0132156-l0cyMroinI0@public.gmane.org>
---
 arch/arm/plat-omap/include/plat/usb.h |    1 +
 drivers/usb/musb/musb_dsps.c          |   17 +++++++++++------
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h
index c2aa4ae..6459b10 100644
--- a/arch/arm/plat-omap/include/plat/usb.h
+++ b/arch/arm/plat-omap/include/plat/usb.h
@@ -121,6 +121,7 @@ extern void am35x_set_mode(u8 musb_mode);
 /* TI81XX specific definitions */
 #define MUSB_USBSS_REV_816X	0x9
 #define MUSB_USBSS_REV_814X	0xb
+#define MUSB_USBSS_REV_33XX	0xd
 
 /* TI816X PHY controls bits */
 #define TI816X_USBPHY0_NORMAL_MODE	(1 << 0)
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 72eda64..46b07cc 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -140,16 +140,21 @@ static void musb_dsps_phy_control(struct dsps_glue *glue, u8 on)
 		if (glue->usbss_rev == MUSB_USBSS_REV_816X) {
 			usbphycfg |= TI816X_USBPHY0_NORMAL_MODE;
 			usbphycfg &= ~TI816X_USBPHY_REFCLK_OSC;
-		} else if (glue->usbss_rev == MUSB_USBSS_REV_814X) {
-			usbphycfg &= ~(USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN
-				| USBPHY_DPINPUT | USBPHY_DMINPUT);
-			usbphycfg |= (USBPHY_OTGVDET_EN | USBPHY_OTGSESSEND_EN
-				| USBPHY_DPOPBUFCTL | USBPHY_DMOPBUFCTL);
+		} else if (glue->usbss_rev == MUSB_USBSS_REV_814X ||
+				glue->usbss_rev == MUSB_USBSS_REV_33XX) {
+			usbphycfg &= ~(USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN);
+			usbphycfg |= USBPHY_OTGVDET_EN | USBPHY_OTGSESSEND_EN;
+			if (glue->usbss_rev == MUSB_USBSS_REV_814X) {
+				usbphycfg &= ~(USBPHY_DPINPUT | USBPHY_DMINPUT);
+				usbphycfg |= USBPHY_DPOPBUFCTL
+						| USBPHY_DMOPBUFCTL;
+			}
 		}
 	} else {
 		if (glue->usbss_rev == MUSB_USBSS_REV_816X)
 			usbphycfg &= ~TI816X_USBPHY0_NORMAL_MODE;
-		else if (glue->usbss_rev == MUSB_USBSS_REV_814X)
+		else if (glue->usbss_rev == MUSB_USBSS_REV_814X ||
+				glue->usbss_rev == MUSB_USBSS_REV_33XX)
 			usbphycfg |= USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN;
 	}
 	__raw_writel(usbphycfg, glue->usb_ctrl);
-- 
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  parent reply	other threads:[~2012-07-11 10:29 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-11 10:29 [PATCH v2 1/3] arm: omap: hwmod: add new memory resource for usb phy control Damodar Santhapuri
2012-07-11 10:29 ` [PATCH v2 2/3] usb: musb: dsps: add phy control logic to glue Damodar Santhapuri
2012-07-11 10:45   ` ABRAHAM, KISHON VIJAY
2012-07-11 10:48     ` Gupta, Ajay Kumar
     [not found] ` <1342002598-30633-1-git-send-email-x0132156-l0cyMroinI0@public.gmane.org>
2012-07-11 10:29   ` Damodar Santhapuri [this message]
2012-07-11 12:44   ` [PATCH v2 1/3] arm: omap: hwmod: add new memory resource for usb phy control Sergei Shtylyov
     [not found]     ` <4FFD7533.8010807-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org>
2012-07-12  8:52       ` Santhapuri, Damodar

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1342002598-30633-3-git-send-email-x0132156@ti.com \
    --to=x0132156-l0cymroini0@public.gmane.org \
    --cc=ajay.gupta-l0cyMroinI0@public.gmane.org \
    --cc=balbi-l0cyMroinI0@public.gmane.org \
    --cc=linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.