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clk: ti: Add functions to save/restore clk context

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SoCs like AM43XX lose clock registers context during RTC-only
suspend. Hence add functions to save/restore the clock registers
context.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Russ Dill <Russ.Dill@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Russ Dill 2018-09-04 12:19:37 +05:30 • committed by Tero Kristo
parent 435365485f
commit d6e7bbc148
7 changed files with 206 additions and 0 deletions
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6
include/linux/clk/ti.h
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@ -159,6 +159,7 @@ struct clk_hw_omap {
const char *clkdm_name;
struct clockdomain *clkdm;
const struct clk_hw_omap_ops *ops;
u32 context;
};
/*
@ -294,6 +295,11 @@ struct ti_clk_features {
void ti_clk_setup_features(struct ti_clk_features *features);
const struct ti_clk_features *ti_clk_get_features(void);
int omap3_noncore_dpll_save_context(struct clk_hw *hw);
void omap3_noncore_dpll_restore_context(struct clk_hw *hw);
int omap3_core_dpll_save_context(struct clk_hw *hw);
void omap3_core_dpll_restore_context(struct clk_hw *hw);
extern const struct clk_hw_omap_ops clkhwops_omap2xxx_dpll;