diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-17 09:32:49 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-17 09:32:49 -0300 |
commit | 214e2ca2b82d335935a861c253fe94c61ad77aad (patch) | |
tree | eee42ff74d10470789d919b8499737ad0e919360 /arch/arm/mach-omap2/omap_phy_internal.c | |
parent | 1fdead8ad31d3aa833bc37739273fcde89ace93c (diff) | |
parent | ddffeb8c4d0331609ef2581d84de4d763607bd37 (diff) |
Merge tag 'v3.7-rc1' into staging/for_v3.8
Linux 3.7-rc1
* tag 'v3.7-rc1': (9579 commits)
Linux 3.7-rc1
x86, boot: Explicitly include autoconf.h for hostprogs
perf: Fix UAPI fallout
ARM: config: make sure that platforms are ordered by option string
ARM: config: sort select statements alphanumerically
UAPI: (Scripted) Disintegrate include/linux/byteorder
UAPI: (Scripted) Disintegrate include/linux
UAPI: Unexport linux/blk_types.h
UAPI: Unexport part of linux/ppp-comp.h
perf: Handle new rbtree implementation
procfs: don't need a PATH_MAX allocation to hold a string representation of an int
vfs: embed struct filename inside of names_cache allocation if possible
audit: make audit_inode take struct filename
vfs: make path_openat take a struct filename pointer
vfs: turn do_path_lookup into wrapper around struct filename variant
audit: allow audit code to satisfy getname requests from its names_list
vfs: define struct filename and have getname() return it
btrfs: Fix compilation with user namespace support enabled
userns: Fix posix_acl_file_xattr_userns gid conversion
userns: Properly print bluetooth socket uids
...
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 d52651a05da..d992db8ff0b 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) { |