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ARM: OMAP2+: clock/interface: add a clk_features definition for idlest value

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Helps to get rid of some runtime cpu_is_x checks. This also allows eventual
migration of the code under clock driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Tero Kristo 2014-07-02 11:47:44 +03:00 committed by Paul Walmsley
parent 2337c5b58b
commit 066edb2d57
2 changed files with 12 additions and 7 deletions
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18
arch/arm/mach-omap2/clock.c
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@ -305,13 +305,7 @@ void omap2_clk_dflt_find_idlest(struct clk_hw_omap *clk,
* 34xx reverses this, just to keep us on our toes
* AM35xx uses both, depending on the module.
*/
if (cpu_is_omap24xx())
*idlest_val = OMAP24XX_CM_IDLEST_VAL;
else if (cpu_is_omap34xx())
*idlest_val = OMAP34XX_CM_IDLEST_VAL;
else
BUG();
*idlest_val = ti_clk_features.cm_idlest_val;
}
/**
@ -788,4 +782,14 @@ void __init ti_clk_init_features(void)
/* Jitter correction only available on OMAP343X */
if (cpu_is_omap343x())
ti_clk_features.flags |= TI_CLK_DPLL_HAS_FREQSEL;
/* Idlest value for interface clocks.
* 24xx uses 0 to indicate not ready, and 1 to indicate ready.
* 34xx reverses this, just to keep us on our toes
* AM35xx uses both, depending on the module.
*/
if (cpu_is_omap24xx())
ti_clk_features.cm_idlest_val = OMAP24XX_CM_IDLEST_VAL;
else if (cpu_is_omap34xx())
ti_clk_features.cm_idlest_val = OMAP34XX_CM_IDLEST_VAL;
}

1
arch/arm/mach-omap2/clock.h
View File

@ -233,6 +233,7 @@ struct ti_clk_features {
long fint_band1_max;
long fint_band2_min;
u8 dpll_bypass_vals;
u8 cm_idlest_val;
};
#define TI_CLK_DPLL_HAS_FREQSEL (1 << 0)