From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ajay Kumar Gupta Subject: [PATCH 3/6 v3] omap: musb: ti81xx: Add phy power function Date: Fri, 9 Sep 2011 19:17:47 +0530 Message-ID: <1315576070-7618-4-git-send-email-ajay.gupta@ti.com> References: <1315576070-7618-1-git-send-email-ajay.gupta@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:44969 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758908Ab1IINr7 (ORCPT ); Fri, 9 Sep 2011 09:47:59 -0400 In-Reply-To: <1315576070-7618-1-git-send-email-ajay.gupta@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org Cc: linux-usb@vger.kernel.org, balbi@ti.com, tony@atomide.com, Ajay Kumar Gupta , Ravi Babu Adding ti81xx_musb_phy_power() which will be used by musb driver through its function pointer in board_data. Signed-off-by: Ajay Kumar Gupta Signed-off-by: Ravi Babu --- arch/arm/mach-omap2/omap_phy_internal.c | 24 +++++++++++++++++++++++ arch/arm/plat-omap/include/plat/usb.h | 32 +++++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c index 58775e3..d5e8497 100644 --- a/arch/arm/mach-omap2/omap_phy_internal.c +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -260,3 +260,27 @@ void am35x_set_mode(u8 musb_mode) omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); } + +void ti81xx_musb_phy_power(u8 on) +{ + u32 usbphycfg = omap_ctrl_readl(USBCTRL0); + + if (on) { + if (cpu_is_ti816x()) { + usbphycfg |= TI816X_USBPHY0_NORMAL_MODE; + usbphycfg &= ~TI816X_USBPHY_REFCLK_OSC; + } else if (cpu_is_ti814x()) { + usbphycfg &= ~(USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN + | USBPHY_DPINPUT | USBPHY_DMINPUT); + usbphycfg |= (USBPHY_OTGVDET_EN | USBPHY_OTGSESSEND_EN + | USBPHY_DPOPBUFCTL | USBPHY_DMOPBUFCTL); + } + } else { + if (cpu_is_ti816x()) + usbphycfg &= ~TI816X_USBPHY0_NORMAL_MODE; + else if (cpu_is_ti814x()) + usbphycfg |= USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN; + + } + omap_ctrl_writel(usbphycfg, USBCTRL0); +} diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h index 17d3c93..c616385 100644 --- a/arch/arm/plat-omap/include/plat/usb.h +++ b/arch/arm/plat-omap/include/plat/usb.h @@ -114,6 +114,7 @@ extern void am35x_musb_reset(void); extern void am35x_musb_phy_power(u8 on); extern void am35x_musb_clear_irq(void); extern void am35x_set_mode(u8 musb_mode); +extern void ti81xx_musb_phy_power(u8 on); /* * FIXME correct answer depends on hmc_mode, @@ -273,6 +274,37 @@ static inline void omap2_usbfs_init(struct omap_usb_config *pdata) #define CONF2_OTGPWRDN (1 << 2) #define CONF2_DATPOL (1 << 1) +/* TI81XX specific definitions */ +#define USBCTRL0 0x620 +#define USBSTAT0 0x624 + +/* TI816X PHY controls bits */ +#define TI816X_USBPHY0_NORMAL_MODE (1 << 0) +#define TI816X_USBPHY_REFCLK_OSC (1 << 8) + +/* TI814X PHY controls bits */ +#define USBPHY_CM_PWRDN (1 << 0) +#define USBPHY_OTG_PWRDN (1 << 1) +#define USBPHY_CHGDET_DIS (1 << 2) +#define USBPHY_CHGDET_RSTRT (1 << 3) +#define USBPHY_SRCONDM (1 << 4) +#define USBPHY_SINKONDP (1 << 5) +#define USBPHY_CHGISINK_EN (1 << 6) +#define USBPHY_CHGVSRC_EN (1 << 7) +#define USBPHY_DMPULLUP (1 << 8) +#define USBPHY_DPPULLUP (1 << 9) +#define USBPHY_CDET_EXTCTL (1 << 10) +#define USBPHY_GPIO_MODE (1 << 12) +#define USBPHY_DPOPBUFCTL (1 << 13) +#define USBPHY_DMOPBUFCTL (1 << 14) +#define USBPHY_DPINPUT (1 << 15) +#define USBPHY_DMINPUT (1 << 16) +#define USBPHY_DPGPIO_PD (1 << 17) +#define USBPHY_DMGPIO_PD (1 << 18) +#define USBPHY_OTGVDET_EN (1 << 19) +#define USBPHY_OTGSESSEND_EN (1 << 20) +#define USBPHY_DATA_POLARITY (1 << 23) + #if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_USB) u32 omap1_usb0_init(unsigned nwires, unsigned is_device); u32 omap1_usb1_init(unsigned nwires); -- 1.6.2.4