diff options
| -rw-r--r-- | arch/arm/mach-omap2/clock.c | 104 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock.h | 3 | ||||
| -rw-r--r-- | drivers/clk/ti/autoidle.c | 119 | ||||
| -rw-r--r-- | drivers/clk/ti/clock.h | 3 | ||||
| -rw-r--r-- | drivers/clk/ti/fixed-factor.c | 2 | ||||
| -rw-r--r-- | include/linux/clk/ti.h | 13 |
6 files changed, 119 insertions, 125 deletions
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index cbc65b3a3b62..42ce860e1d4c 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -69,8 +69,6 @@ u16 cpu_mask; */ static bool clkdm_control = true; -static LIST_HEAD(clk_hw_omap_clocks); - struct clk_iomap { struct regmap *regmap; void __iomem *mem; @@ -579,108 +577,6 @@ static int __init omap_clk_setup(char *str) __setup("mpurate=", omap_clk_setup); /** - * omap2_init_clk_hw_omap_clocks - initialize an OMAP clock - * @clk: struct clk * to initialize - * - * Add an OMAP clock @clk to the internal list of OMAP clocks. Used - * temporarily for autoidle handling, until this support can be - * integrated into the common clock framework code in some way. No - * return value. - */ -void omap2_init_clk_hw_omap_clocks(struct clk *clk) -{ - struct clk_hw_omap *c; - - if (__clk_get_flags(clk) & CLK_IS_BASIC) - return; - - c = to_clk_hw_omap(__clk_get_hw(clk)); - list_add(&c->node, &clk_hw_omap_clocks); -} - -/** - * omap2_clk_enable_autoidle_all - enable autoidle on all OMAP clocks that - * support it - * - * Enable clock autoidle on all OMAP clocks that have allow_idle - * function pointers associated with them. This function is intended - * to be temporary until support for this is added to the common clock - * code. Returns 0. - */ -int omap2_clk_enable_autoidle_all(void) -{ - struct clk_hw_omap *c; - - list_for_each_entry(c, &clk_hw_omap_clocks, node) - if (c->ops && c->ops->allow_idle) - c->ops->allow_idle(c); - - of_ti_clk_allow_autoidle_all(); - - return 0; -} - -/** - * omap2_clk_disable_autoidle_all - disable autoidle on all OMAP clocks that - * support it - * - * Disable clock autoidle on all OMAP clocks that have allow_idle - * function pointers associated with them. This function is intended - * to be temporary until support for this is added to the common clock - * code. Returns 0. - */ -int omap2_clk_disable_autoidle_all(void) -{ - struct clk_hw_omap *c; - - list_for_each_entry(c, &clk_hw_omap_clocks, node) - if (c->ops && c->ops->deny_idle) - c->ops->deny_idle(c); - - of_ti_clk_deny_autoidle_all(); - - return 0; -} - -/** - * omap2_clk_deny_idle - disable autoidle on an OMAP clock - * @clk: struct clk * to disable autoidle for - * - * Disable autoidle on an OMAP clock. - */ -int omap2_clk_deny_idle(struct clk *clk) -{ - struct clk_hw_omap *c; - - if (__clk_get_flags(clk) & CLK_IS_BASIC) - return -EINVAL; - - c = to_clk_hw_omap(__clk_get_hw(clk)); - if (c->ops && c->ops->deny_idle) - c->ops->deny_idle(c); - return 0; -} - -/** - * omap2_clk_allow_idle - enable autoidle on an OMAP clock - * @clk: struct clk * to enable autoidle for - * - * Enable autoidle on an OMAP clock. - */ -int omap2_clk_allow_idle(struct clk *clk) -{ - struct clk_hw_omap *c; - - if (__clk_get_flags(clk) & CLK_IS_BASIC) - return -EINVAL; - - c = to_clk_hw_omap(__clk_get_hw(clk)); - if (c->ops && c->ops->allow_idle) - c->ops->allow_idle(c); - return 0; -} - -/** * omap2_clk_enable_init_clocks - prepare & enable a list of clocks * @clk_names: ptr to an array of strings of clock names to enable * @num_clocks: number of clock names in @clk_names diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h index b71d43051c26..950a17ae4f36 100644 --- a/arch/arm/mach-omap2/clock.h +++ b/arch/arm/mach-omap2/clock.h @@ -186,9 +186,6 @@ void omap3_dpll_deny_idle(struct clk_hw_omap *clk); void __init omap2_clk_disable_clkdm_control(void); -int omap2_clk_enable_autoidle_all(void); -int omap2_clk_allow_idle(struct clk *clk); -int omap2_clk_deny_idle(struct clk *clk); int omap2_clk_switch_mpurate_at_boot(const char *mpurate_ck_name); void omap2_clk_print_new_rates(const char *hfclkin_ck_name, const char *core_ck_name, diff --git a/drivers/clk/ti/autoidle.c b/drivers/clk/ti/autoidle.c index e75c64c9e81c..3dbcc3681058 100644 --- a/drivers/clk/ti/autoidle.c +++ b/drivers/clk/ti/autoidle.c @@ -33,8 +33,47 @@ struct clk_ti_autoidle { #define AUTOIDLE_LOW 0x1 static LIST_HEAD(autoidle_clks); +static LIST_HEAD(clk_hw_omap_clocks); -static void ti_allow_autoidle(struct clk_ti_autoidle *clk) +/** + * omap2_clk_deny_idle - disable autoidle on an OMAP clock + * @clk: struct clk * to disable autoidle for + * + * Disable autoidle on an OMAP clock. + */ +int omap2_clk_deny_idle(struct clk *clk) +{ + struct clk_hw_omap *c; + + if (__clk_get_flags(clk) & CLK_IS_BASIC) + return -EINVAL; + + c = to_clk_hw_omap(__clk_get_hw(clk)); + if (c->ops && c->ops->deny_idle) + c->ops->deny_idle(c); + return 0; +} + +/** + * omap2_clk_allow_idle - enable autoidle on an OMAP clock + * @clk: struct clk * to enable autoidle for + * + * Enable autoidle on an OMAP clock. + */ +int omap2_clk_allow_idle(struct clk *clk) +{ + struct clk_hw_omap *c; + + if (__clk_get_flags(clk) & CLK_IS_BASIC) + return -EINVAL; + + c = to_clk_hw_omap(__clk_get_hw(clk)); + if (c->ops && c->ops->allow_idle) + c->ops->allow_idle(c); + return 0; +} + +static void _allow_autoidle(struct clk_ti_autoidle *clk) { u32 val; @@ -48,7 +87,7 @@ static void ti_allow_autoidle(struct clk_ti_autoidle *clk) ti_clk_ll_ops->clk_writel(val, clk->reg); } -static void ti_deny_autoidle(struct clk_ti_autoidle *clk) +static void _deny_autoidle(struct clk_ti_autoidle *clk) { u32 val; @@ -63,31 +102,31 @@ static void ti_deny_autoidle(struct clk_ti_autoidle *clk) } /** - * of_ti_clk_allow_autoidle_all - enable autoidle for all clocks + * _clk_generic_allow_autoidle_all - enable autoidle for all clocks * * Enables hardware autoidle for all registered DT clocks, which have * the feature. */ -void of_ti_clk_allow_autoidle_all(void) +static void _clk_generic_allow_autoidle_all(void) { struct clk_ti_autoidle *c; list_for_each_entry(c, &autoidle_clks, node) - ti_allow_autoidle(c); + _allow_autoidle(c); } /** - * of_ti_clk_deny_autoidle_all - disable autoidle for all clocks + * _clk_generic_deny_autoidle_all - disable autoidle for all clocks * * Disables hardware autoidle for all registered DT clocks, which have * the feature. */ -void of_ti_clk_deny_autoidle_all(void) +static void _clk_generic_deny_autoidle_all(void) { struct clk_ti_autoidle *c; list_for_each_entry(c, &autoidle_clks, node) - ti_deny_autoidle(c); + _deny_autoidle(c); } /** @@ -131,3 +170,67 @@ int __init of_ti_clk_autoidle_setup(struct device_node *node) return 0; } + +/** + * omap2_init_clk_hw_omap_clocks - initialize an OMAP clock + * @clk: struct clk * to initialize + * + * Add an OMAP clock @clk to the internal list of OMAP clocks. Used + * temporarily for autoidle handling, until this support can be + * integrated into the common clock framework code in some way. No + * return value. + */ +void omap2_init_clk_hw_omap_clocks(struct clk *clk) +{ + struct clk_hw_omap *c; + + if (__clk_get_flags(clk) & CLK_IS_BASIC) + return; + + c = to_clk_hw_omap(__clk_get_hw(clk)); + list_add(&c->node, &clk_hw_omap_clocks); +} + +/** + * omap2_clk_enable_autoidle_all - enable autoidle on all OMAP clocks that + * support it + * + * Enable clock autoidle on all OMAP clocks that have allow_idle + * function pointers associated with them. This function is intended + * to be temporary until support for this is added to the common clock + * code. Returns 0. + */ +int omap2_clk_enable_autoidle_all(void) +{ + struct clk_hw_omap *c; + + list_for_each_entry(c, &clk_hw_omap_clocks, node) + if (c->ops && c->ops->allow_idle) + c->ops->allow_idle(c); + + _clk_generic_allow_autoidle_all(); + + return 0; +} + +/** + * omap2_clk_disable_autoidle_all - disable autoidle on all OMAP clocks that + * support it + * + * Disable clock autoidle on all OMAP clocks that have allow_idle + * function pointers associated with them. This function is intended + * to be temporary until support for this is added to the common clock + * code. Returns 0. + */ +int omap2_clk_disable_autoidle_all(void) +{ + struct clk_hw_omap *c; + + list_for_each_entry(c, &clk_hw_omap_clocks, node) + if (c->ops && c->ops->deny_idle) + c->ops->deny_idle(c); + + _clk_generic_deny_autoidle_all(); + + return 0; +} diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h index a7256a98201d..9b51021f509a 100644 --- a/drivers/clk/ti/clock.h +++ b/drivers/clk/ti/clock.h @@ -169,6 +169,9 @@ void ti_clk_patch_legacy_clks(struct ti_clk **patch); struct clk *ti_clk_register_clk(struct ti_clk *setup); int ti_clk_register_legacy_clks(struct ti_clk_alias *clks); +void omap2_init_clk_hw_omap_clocks(struct clk *clk); +int of_ti_clk_autoidle_setup(struct device_node *node); + extern const struct clk_hw_omap_ops clkhwops_omap4_dpllmx; extern const struct clk_hw_omap_ops clkhwops_iclk; extern const struct clk_hw_omap_ops clkhwops_iclk_wait; diff --git a/drivers/clk/ti/fixed-factor.c b/drivers/clk/ti/fixed-factor.c index c2c8a287408c..3cd406768909 100644 --- a/drivers/clk/ti/fixed-factor.c +++ b/drivers/clk/ti/fixed-factor.c @@ -22,6 +22,8 @@ #include <linux/of_address.h> #include <linux/clk/ti.h> +#include "clock.h" + #undef pr_fmt #define pr_fmt(fmt) "%s: " fmt, __func__ diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h index 79e143dfc793..320e107f9a7a 100644 --- a/include/linux/clk/ti.h +++ b/include/linux/clk/ti.h @@ -259,7 +259,6 @@ extern const struct clk_ops ti_clk_mux_ops; #define to_clk_hw_omap(_hw) container_of(_hw, struct clk_hw_omap, hw) -void omap2_init_clk_hw_omap_clocks(struct clk *clk); int omap3_noncore_dpll_enable(struct clk_hw *hw); void omap3_noncore_dpll_disable(struct clk_hw *hw); int omap3_noncore_dpll_set_parent(struct clk_hw *hw, u8 index); @@ -288,6 +287,9 @@ long omap3_clkoutx2_round_rate(struct clk_hw *hw, unsigned long rate, int omap2_clkops_enable_clkdm(struct clk_hw *hw); void omap2_clkops_disable_clkdm(struct clk_hw *hw); int omap2_clk_disable_autoidle_all(void); +int omap2_clk_enable_autoidle_all(void); +int omap2_clk_allow_idle(struct clk *clk); +int omap2_clk_deny_idle(struct clk *clk); void omap2_clk_enable_init_clocks(const char **clk_names, u8 num_clocks); int omap3_dpll4_set_rate(struct clk_hw *clk, unsigned long rate, unsigned long parent_rate); @@ -320,7 +322,6 @@ void ti_dt_clk_init_retry_clks(void); void ti_dt_clockdomains_setup(void); int ti_clk_retry_init(struct device_node *node, struct clk_hw *hw, ti_of_clk_init_cb_t func); -int of_ti_clk_autoidle_setup(struct device_node *node); int ti_clk_add_component(struct device_node *node, struct clk_hw *hw, int type); int omap3430_dt_clk_init(void); @@ -351,14 +352,6 @@ struct ti_clk_features { void ti_clk_setup_features(struct ti_clk_features *features); const struct ti_clk_features *ti_clk_get_features(void); -#ifdef CONFIG_OF -void of_ti_clk_allow_autoidle_all(void); -void of_ti_clk_deny_autoidle_all(void); -#else -static inline void of_ti_clk_allow_autoidle_all(void) { } -static inline void of_ti_clk_deny_autoidle_all(void) { } -#endif - extern const struct clk_hw_omap_ops clkhwops_omap2xxx_dpll; extern const struct clk_hw_omap_ops clkhwops_omap2430_i2chs_wait; extern const struct clk_hw_omap_ops clkhwops_omap3_dpll; |