diff options
author | David S. Miller <davem@davemloft.net> | 2012-10-02 23:02:10 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2012-10-02 23:02:10 -0400 |
commit | 954f9ac43b87b44152b8c21163cefd466a87145e (patch) | |
tree | 31c4197f975c66c96976948663e6ce844900b41a /arch/arm/mach-omap2/omap_phy_internal.c | |
parent | 1b62ca7bf5775bed048032b7e779561e1fe66aa0 (diff) | |
parent | 7fe0b14b725d6d09a1d9e1409bd465cb88b587f9 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
There's a Niagara 2 memcpy fix in this tree and I have
a Kconfig fix from Dave Jones which requires the sparc-next
changes which went upstream yesterday.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/mach-omap2/omap_phy_internal.c')
-rw-r--r-- | arch/arm/mach-omap2/omap_phy_internal.c | 140 |
1 files changed, 2 insertions, 138 deletions
diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c index d52651a05daa..d992db8ff0b0 100644 --- a/arch/arm/mach-omap2/omap_phy_internal.c +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -29,145 +29,9 @@ #include <linux/usb.h> #include <plat/usb.h> -#include "control.h" - -/* OMAP control module register for UTMI PHY */ -#define CONTROL_DEV_CONF 0x300 -#define PHY_PD 0x1 - -#define USBOTGHS_CONTROL 0x33c -#define AVALID BIT(0) -#define BVALID BIT(1) -#define VBUSVALID BIT(2) -#define SESSEND BIT(3) -#define IDDIG BIT(4) - -static struct clk *phyclk, *clk48m, *clk32k; -static void __iomem *ctrl_base; -static int usbotghs_control; - -int omap4430_phy_init(struct device *dev) -{ - ctrl_base = ioremap(OMAP443X_SCM_BASE, SZ_1K); - if (!ctrl_base) { - pr_err("control module ioremap failed\n"); - return -ENOMEM; - } - /* Power down the phy */ - __raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF); - - if (!dev) { - iounmap(ctrl_base); - return 0; - } - - phyclk = clk_get(dev, "ocp2scp_usb_phy_ick"); - if (IS_ERR(phyclk)) { - dev_err(dev, "cannot clk_get ocp2scp_usb_phy_ick\n"); - iounmap(ctrl_base); - return PTR_ERR(phyclk); - } - - clk48m = clk_get(dev, "ocp2scp_usb_phy_phy_48m"); - if (IS_ERR(clk48m)) { - dev_err(dev, "cannot clk_get ocp2scp_usb_phy_phy_48m\n"); - clk_put(phyclk); - iounmap(ctrl_base); - return PTR_ERR(clk48m); - } - - clk32k = clk_get(dev, "usb_phy_cm_clk32k"); - if (IS_ERR(clk32k)) { - dev_err(dev, "cannot clk_get usb_phy_cm_clk32k\n"); - clk_put(phyclk); - clk_put(clk48m); - iounmap(ctrl_base); - return PTR_ERR(clk32k); - } - return 0; -} - -int omap4430_phy_set_clk(struct device *dev, int on) -{ - static int state; - - if (on && !state) { - /* Enable the phy clocks */ - clk_enable(phyclk); - clk_enable(clk48m); - clk_enable(clk32k); - state = 1; - } else if (state) { - /* Disable the phy clocks */ - clk_disable(phyclk); - clk_disable(clk48m); - clk_disable(clk32k); - state = 0; - } - return 0; -} - -int omap4430_phy_power(struct device *dev, int ID, int on) -{ - if (on) { - if (ID) - /* enable VBUS valid, IDDIG groung */ - __raw_writel(AVALID | VBUSVALID, ctrl_base + - USBOTGHS_CONTROL); - else - /* - * Enable VBUS Valid, AValid and IDDIG - * high impedance - */ - __raw_writel(IDDIG | AVALID | VBUSVALID, - ctrl_base + USBOTGHS_CONTROL); - } else { - /* Enable session END and IDIG to high impedance. */ - __raw_writel(SESSEND | IDDIG, ctrl_base + - USBOTGHS_CONTROL); - } - return 0; -} - -int omap4430_phy_suspend(struct device *dev, int suspend) -{ - if (suspend) { - /* Disable the clocks */ - omap4430_phy_set_clk(dev, 0); - /* Power down the phy */ - __raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF); - - /* save the context */ - usbotghs_control = __raw_readl(ctrl_base + USBOTGHS_CONTROL); - } else { - /* Enable the internel phy clcoks */ - omap4430_phy_set_clk(dev, 1); - /* power on the phy */ - if (__raw_readl(ctrl_base + CONTROL_DEV_CONF) & PHY_PD) { - __raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF); - mdelay(200); - } - - /* restore the context */ - __raw_writel(usbotghs_control, ctrl_base + USBOTGHS_CONTROL); - } - - return 0; -} - -int omap4430_phy_exit(struct device *dev) -{ - if (ctrl_base) - iounmap(ctrl_base); - if (phyclk) - clk_put(phyclk); - if (clk48m) - clk_put(clk48m); - if (clk32k) - clk_put(clk32k); - return 0; -} +#include "soc.h" +#include "control.h" void am35x_musb_reset(void) { |