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authorTero Kristo <t-kristo@ti.com>2014-10-27 08:39:25 -0700
committerTony Lindgren <tony@atomide.com>2014-10-27 08:39:25 -0700
commit37fb59d7e0b471f3aacd26bfdbb64a4dc71f189b (patch)
tree638df549fcb8505e9197c1877b7de47892b87f78 /arch/arm/mach-omap2/prm.h
parentefd44dc35f550e0cedd983d13e180da5e0d368a9 (diff)
downloadlinux-37fb59d7e0b471f3aacd26bfdbb64a4dc71f189b.tar.bz2
ARM: OMAP2+: PRM: add generic API for deasserting hardware reset
PRM driver now has a generic API for deasserting hardware resets. SoC specific support functions are registered through the prm_ll_data. Signed-off-by: Tero Kristo <t-kristo@ti.com> Acked-by: Paul Walmsley <paul@pwsan.com> Tested-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/prm.h')
-rw-r--r--arch/arm/mach-omap2/prm.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h
index 9b8711b6adde..26bf3e604d3c 100644
--- a/arch/arm/mach-omap2/prm.h
+++ b/arch/arm/mach-omap2/prm.h
@@ -129,6 +129,7 @@ struct prm_reset_src_map {
* @clear_context_loss_flags_old: ptr to the SoC PRM context loss flag clear fn
* @late_init: ptr to the late init function
* @assert_hardreset: ptr to the SoC PRM hardreset assert impl
+ * @deassert_hardreset: ptr to the SoC PRM hardreset deassert impl
*
* XXX @was_any_context_lost_old and @clear_context_loss_flags_old are
* deprecated.
@@ -139,12 +140,18 @@ struct prm_ll_data {
void (*clear_context_loss_flags_old)(u8 part, s16 inst, u16 idx);
int (*late_init)(void);
int (*assert_hardreset)(u8 shift, u8 part, s16 prm_mod, u16 offset);
+ int (*deassert_hardreset)(u8 shift, u8 st_shift, u8 part, s16 prm_mod,
+ u16 offset, u16 st_offset);
+ int (*is_hardreset_asserted)(u8 shift, u8 part, s16 prm_mod,
+ u16 offset);
};
extern int prm_register(struct prm_ll_data *pld);
extern int prm_unregister(struct prm_ll_data *pld);
int omap_prm_assert_hardreset(u8 shift, u8 part, s16 prm_mod, u16 offset);
+int omap_prm_deassert_hardreset(u8 shift, u8 st_shift, u8 part, s16 prm_mod,
+ u16 offset, u16 st_offset);
extern u32 prm_read_reset_sources(void);
extern bool prm_was_any_context_lost_old(u8 part, s16 inst, u16 idx);
extern void prm_clear_context_loss_flags_old(u8 part, s16 inst, u16 idx);