diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-12 11:51:39 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-12 11:51:39 -0800 |
commit | d01e4afdbb65e030fd6f1f96c30a558e2eb0f279 (patch) | |
tree | 02ef82b2740cf93a98199eded5ef765fa6e03052 /arch/arm/mach-omap2/wd_timer.c | |
parent | 8287361abca36504da813638310d2547469283eb (diff) | |
parent | 794b175fc0c0c4844dbb7b137a73bbfd01f6c608 (diff) |
Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups on various subarchitectures from Olof Johansson:
"Cleanup patches for various ARM platforms and some of their associated
drivers. There's also a branch in here that enables Freescale i.MX to
be part of the multiplatform support -- the first "big" SoC that is
moved over (more multiplatform work comes in a separate branch later
during the merge window)."
Conflicts fixed as per Olof, including a silent semantic one in
arch/arm/mach-omap2/board-generic.c (omap_prcm_restart() was renamed to
omap3xxx_restart(), and a new user of the old name was added).
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (189 commits)
ARM: omap: fix typo on timer cleanup
ARM: EXYNOS: Remove unused regs-mem.h file
ARM: EXYNOS: Remove unused non-dt support for dwmci controller
ARM: Kirkwood: Use hw_pci.ops instead of hw_pci.scan
ARM: OMAP3: cm-t3517: use GPTIMER for system clock
ARM: OMAP2+: timer: remove CONFIG_OMAP_32K_TIMER
ARM: SAMSUNG: use devm_ functions for ADC driver
ARM: EXYNOS: no duplicate mask/unmask in eint0_15
ARM: S3C24XX: SPI clock channel setup is fixed for S3C2443
ARM: EXYNOS: Remove i2c0 resource information and setting of device names
ARM: Kirkwood: checkpatch cleanups
ARM: Kirkwood: Fix sparse warnings.
ARM: Kirkwood: Remove unused includes
ARM: kirkwood: cleanup lsxl board includes
ARM: integrator: use BUG_ON where possible
ARM: integrator: push down SC dependencies
ARM: integrator: delete static UART1 mapping
ARM: integrator: delete SC mapping on the CP
ARM: integrator: remove static CP syscon mapping
ARM: integrator: remove static AP syscon mapping
...
Diffstat (limited to 'arch/arm/mach-omap2/wd_timer.c')
-rw-r--r-- | arch/arm/mach-omap2/wd_timer.c | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c index f6b6c37ac3f..7c2b4ed38f0 100644 --- a/arch/arm/mach-omap2/wd_timer.c +++ b/arch/arm/mach-omap2/wd_timer.c @@ -1,6 +1,8 @@ /* * OMAP2+ MPU WD_TIMER-specific code * + * Copyright (C) 2012 Texas Instruments, Inc. + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or @@ -11,10 +13,14 @@ #include <linux/io.h> #include <linux/err.h> -#include "omap_hwmod.h" +#include <linux/platform_data/omap-wd-timer.h> +#include "omap_hwmod.h" +#include "omap_device.h" #include "wd_timer.h" #include "common.h" +#include "prm.h" +#include "soc.h" /* * In order to avoid any assumptions from bootloader regarding WDT @@ -26,9 +32,6 @@ #define OMAP_WDT_WPS 0x34 #define OMAP_WDT_SPR 0x48 -/* Maximum microseconds to wait for OMAP module to softreset */ -#define MAX_MODULE_SOFTRESET_WAIT 10000 - int omap2_wd_timer_disable(struct omap_hwmod *oh) { void __iomem *base; @@ -99,3 +102,32 @@ int omap2_wd_timer_reset(struct omap_hwmod *oh) return (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT : omap2_wd_timer_disable(oh); } + +static int __init omap_init_wdt(void) +{ + int id = -1; + struct platform_device *pdev; + struct omap_hwmod *oh; + char *oh_name = "wd_timer2"; + char *dev_name = "omap_wdt"; + struct omap_wd_timer_platform_data pdata; + + if (!cpu_class_is_omap2() || of_have_populated_dt()) + return 0; + + oh = omap_hwmod_lookup(oh_name); + if (!oh) { + pr_err("Could not look up wd_timer%d hwmod\n", id); + return -EINVAL; + } + + pdata.read_reset_sources = prm_read_reset_sources; + + pdev = omap_device_build(dev_name, id, oh, &pdata, + sizeof(struct omap_wd_timer_platform_data), + NULL, 0, 0); + WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", + dev_name, oh->name); + return 0; +} +subsys_initcall(omap_init_wdt); |