From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kishon Vijay Abraham I Subject: [PATCH v8 6/8] usb: musb: omap2430: use the new generic PHY framework Date: Tue, 25 Jun 2013 11:28:44 +0530 Message-ID: <1372139926-3719-7-git-send-email-kishon@ti.com> References: <1372139926-3719-1-git-send-email-kishon@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1372139926-3719-1-git-send-email-kishon-l0cyMroinI0@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org, balbi-l0cyMroinI0@public.gmane.org, kishon-l0cyMroinI0@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, sylvester.nawrocki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org Cc: rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org, rob-VoJi6FS/r0vR7s880joybQ@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, benoit.cousson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, mchehab-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, cesarb-PWySMVKUnqmsTnJN9+BGXg@public.gmane.org, davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org, rnayak-l0cyMroinI0@public.gmane.org, shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, santosh.shilimkar-l0cyMroinI0@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, nsekhar-l0cyMroinI0@public.gmane.org, balajitk-l0cyMroinI0@public.gmane.org, george.cherian-l0cyMroinI0@public.gmane.org List-Id: devicetree@vger.kernel.org Use the generic PHY framework API to get the PHY. The usb_phy_set_resume and usb_phy_set_suspend is replaced with power_on and power_off to align with the new PHY framework. musb->xceiv can't be removed as of now because musb core uses xceiv.state and xceiv.otg. Once there is a separate state machine to handle otg, these can be moved out of xceiv and then we can start using the generic PHY framework. Signed-off-by: Kishon Vijay Abraham I Reviewed-by: Sylwester Nawrocki --- drivers/usb/musb/Kconfig | 1 + drivers/usb/musb/musb_core.c | 1 + drivers/usb/musb/musb_core.h | 3 +++ drivers/usb/musb/omap2430.c | 26 ++++++++++++++++++++------ 4 files changed, 25 insertions(+), 6 deletions(-) diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index 06f8d29..6ef595a 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -47,6 +47,7 @@ config USB_MUSB_TUSB6010 config USB_MUSB_OMAP2PLUS tristate "OMAP2430 and onwards" depends on ARCH_OMAP2PLUS + depends on GENERIC_PHY config USB_MUSB_AM35X tristate "AM35x" diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 37a261a..f732bcc 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1864,6 +1864,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) musb->board_set_power = plat->set_power; musb->min_power = plat->min_power; musb->ops = plat->platform_ops; + musb->phy_label = plat->phy_label; /* The musb_platform_init() call: * - adjusts musb->mregs diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 7fb4819..498ae21 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -46,6 +46,7 @@ #include #include #include +#include struct musb; struct musb_hw_ep; @@ -357,6 +358,7 @@ struct musb { u16 int_tx; struct usb_phy *xceiv; + struct phy *phy; int nIrq; unsigned irq_wake:1; @@ -434,6 +436,7 @@ struct musb { unsigned double_buffer_not_ok:1; struct musb_hdrc_config *config; + const char *phy_label; #ifdef MUSB_CONFIG_PROC_FS struct proc_dir_entry *proc_entry; diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 628b93f..12b94da 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -348,11 +348,21 @@ static int omap2430_musb_init(struct musb *musb) * up through ULPI. TWL4030-family PMICs include one, * which needs a driver, drivers aren't always needed. */ - if (dev->parent->of_node) + if (dev->parent->of_node) { + musb->phy = devm_phy_get(dev->parent, "usb2-phy"); + + /* We can't totally remove musb->xceiv as of now because + * musb core uses xceiv.state and xceiv.otg. Once we have + * a separate state machine to handle otg, these can be moved + * out of xceiv and then we can start using the generic PHY + * framework + */ musb->xceiv = devm_usb_get_phy_by_phandle(dev->parent, "usb-phy", 0); - else + } else { musb->xceiv = devm_usb_get_phy_dev(dev, 0); + musb->phy = devm_phy_get(dev, musb->phy_label); + } if (IS_ERR(musb->xceiv)) { status = PTR_ERR(musb->xceiv); @@ -364,6 +374,10 @@ static int omap2430_musb_init(struct musb *musb) return -EPROBE_DEFER; } + if (IS_ERR(musb->phy)) { + pr_err("HS USB OTG: no PHY configured\n"); + return PTR_ERR(musb->phy); + } musb->isr = omap2430_musb_interrupt; status = pm_runtime_get_sync(dev); @@ -397,7 +411,7 @@ static int omap2430_musb_init(struct musb *musb) if (glue->status != OMAP_MUSB_UNKNOWN) omap_musb_set_mailbox(glue); - usb_phy_init(musb->xceiv); + phy_init(musb->phy); pm_runtime_put_noidle(musb->controller); return 0; @@ -460,6 +474,7 @@ static int omap2430_musb_exit(struct musb *musb) del_timer_sync(&musb_idle_timer); omap2430_low_level_exit(musb); + phy_exit(musb->phy); return 0; } @@ -619,7 +634,7 @@ static int omap2430_runtime_suspend(struct device *dev) OTG_INTERFSEL); omap2430_low_level_exit(musb); - usb_phy_set_suspend(musb->xceiv, 1); + phy_power_off(musb->phy); } return 0; @@ -634,8 +649,7 @@ static int omap2430_runtime_resume(struct device *dev) omap2430_low_level_init(musb); musb_writel(musb->mregs, OTG_INTERFSEL, musb->context.otg_interfsel);