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ARM: OMAP2+: CM: add common APIs for cm_module_enable/disable

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Adds a generic CM driver API for enabling/disabling modules.
The SoC specific implementations are registered through cm_ll_data.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Tested-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tero Kristo
2014-10-27 08:39:24 -07:00
committed by Tony Lindgren
parent f2650d6e4f
commit 128603f05a
7 changed files with 72 additions and 45 deletions
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6
arch/arm/mach-omap2/cm.h
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@@ -46,6 +46,8 @@ extern void omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2);
* @split_idlest_reg: ptr to the SoC CM-specific split_idlest_reg impl
* @wait_module_ready: ptr to the SoC CM-specific wait_module_ready impl
* @wait_module_idle: ptr to the SoC CM-specific wait_module_idle impl
* @module_enable: ptr to the SoC CM-specific module_enable impl
* @module_disable: ptr to the SoC CM-specific module_disable impl
*/
struct cm_ll_data {
int (*split_idlest_reg)(void __iomem *idlest_reg, s16 *prcm_inst,
@@ -54,6 +56,8 @@ struct cm_ll_data {
u8 idlest_shift);
int (*wait_module_idle)(u8 part, s16 prcm_mod, u16 idlest_reg,
u8 idlest_shift);
void (*module_enable)(u8 mode, u8 part, u16 inst, u16 clkctrl_offs);
void (*module_disable)(u8 part, u16 inst, u16 clkctrl_offs);
};
extern int cm_split_idlest_reg(void __iomem *idlest_reg, s16 *prcm_inst,
@@ -62,6 +66,8 @@ int omap_cm_wait_module_ready(u8 part, s16 prcm_mod, u16 idlest_reg,
u8 idlest_shift);
int omap_cm_wait_module_idle(u8 part, s16 prcm_mod, u16 idlest_reg,
u8 idlest_shift);
int omap_cm_module_enable(u8 mode, u8 part, u16 inst, u16 clkctrl_offs);
int omap_cm_module_disable(u8 part, u16 inst, u16 clkctrl_offs);
extern int cm_register(struct cm_ll_data *cld);
extern int cm_unregister(struct cm_ll_data *cld);