diff options
Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.h')
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index 0f97d635ff90..35ca6efbec31 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -514,6 +514,9 @@ struct omap_hwmod_omap4_prcm { * HWMOD_SWSUP_SIDLE_ACT: omap_hwmod code should manually bring the module * out of idle, but rely on smart-idle to the put it back in idle, * so the wakeups are still functional (Only known case for now is UART) + * HWMOD_RECONFIG_IO_CHAIN: omap_hwmod code needs to reconfigure wake-up + * events by calling _reconfigure_io_chain() when a device is enabled + * or idled. */ #define HWMOD_SWSUP_SIDLE (1 << 0) #define HWMOD_SWSUP_MSTANDBY (1 << 1) @@ -528,6 +531,7 @@ struct omap_hwmod_omap4_prcm { #define HWMOD_BLOCK_WFI (1 << 10) #define HWMOD_FORCE_MSTANDBY (1 << 11) #define HWMOD_SWSUP_SIDLE_ACT (1 << 12) +#define HWMOD_RECONFIG_IO_CHAIN (1 << 13) /* * omap_hwmod._int_flags definitions @@ -629,6 +633,7 @@ struct omap_hwmod_link { * @flags: hwmod flags (documented below) * @_lock: spinlock serializing operations on this hwmod * @node: list node for hwmod list (internal use) + * @parent_hwmod: (temporary) a pointer to the hierarchical parent of this hwmod * * @main_clk refers to this module's "main clock," which for our * purposes is defined as "the functional clock needed for register @@ -639,6 +644,12 @@ struct omap_hwmod_link { * the omap_hwmod code and should not be set during initialization. * * @masters and @slaves are now deprecated. + * + * @parent_hwmod is temporary; there should be no need for it, as this + * information should already be expressed in the OCP interface + * structures. @parent_hwmod is present as a workaround until we improve + * handling for hwmods with multiple parents (e.g., OMAP4+ DSS with + * multiple register targets across different interconnects). */ struct omap_hwmod { const char *name; @@ -676,6 +687,7 @@ struct omap_hwmod { u8 _int_flags; u8 _state; u8 _postsetup_state; + struct omap_hwmod *parent_hwmod; }; struct omap_hwmod *omap_hwmod_lookup(const char *name); |