diff options
Diffstat (limited to 'arch/arm/mach-omap2/clkt_dpll.c')
| -rw-r--r-- | arch/arm/mach-omap2/clkt_dpll.c | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c index 8463cc35624..f343389fc6e 100644 --- a/arch/arm/mach-omap2/clkt_dpll.c +++ b/arch/arm/mach-omap2/clkt_dpll.c @@ -16,7 +16,11 @@ #include <linux/kernel.h> #include <linux/errno.h> +#ifdef CONFIG_COMMON_CLK +#include <linux/clk-provider.h> +#else #include <linux/clk.h> +#endif #include <linux/io.h> #include <asm/div64.h> @@ -76,7 +80,11 @@ * (assuming that it is counting N upwards), or -2 if the enclosing loop * should skip to the next iteration (again assuming N is increasing). */ +#ifdef CONFIG_COMMON_CLK +static int _dpll_test_fint(struct clk_hw_omap *clk, u8 n) +#else static int _dpll_test_fint(struct clk *clk, u8 n) +#endif { struct dpll_data *dd; long fint, fint_min, fint_max; @@ -85,7 +93,11 @@ static int _dpll_test_fint(struct clk *clk, u8 n) dd = clk->dpll_data; /* DPLL divider must result in a valid jitter correction val */ +#ifdef CONFIG_COMMON_CLK + fint = __clk_get_rate(__clk_get_parent(clk->hw.clk)) / n; +#else fint = __clk_get_rate(__clk_get_parent(clk)) / n; +#endif if (cpu_is_omap24xx()) { /* Should not be called for OMAP2, so warn if it is called */ @@ -186,15 +198,24 @@ static int _dpll_test_mult(int *m, int n, unsigned long *new_rate, } /* Public functions */ - +#ifdef CONFIG_COMMON_CLK +u8 omap2_init_dpll_parent(struct clk_hw *hw) +{ + struct clk_hw_omap *clk = to_clk_hw_omap(hw); +#else void omap2_init_dpll_parent(struct clk *clk) { +#endif u32 v; struct dpll_data *dd; dd = clk->dpll_data; if (!dd) +#ifdef CONFIG_COMMON_CLK + return -EINVAL; +#else return; +#endif v = __raw_readl(dd->control_reg); v &= dd->enable_mask; @@ -204,18 +225,34 @@ void omap2_init_dpll_parent(struct clk *clk) if (cpu_is_omap24xx()) { if (v == OMAP2XXX_EN_DPLL_LPBYPASS || v == OMAP2XXX_EN_DPLL_FRBYPASS) +#ifdef CONFIG_COMMON_CLK + return 1; +#else clk_reparent(clk, dd->clk_bypass); +#endif } else if (cpu_is_omap34xx()) { if (v == OMAP3XXX_EN_DPLL_LPBYPASS || v == OMAP3XXX_EN_DPLL_FRBYPASS) +#ifdef CONFIG_COMMON_CLK + return 1; +#else clk_reparent(clk, dd->clk_bypass); +#endif } else if (soc_is_am33xx() || cpu_is_omap44xx()) { if (v == OMAP4XXX_EN_DPLL_LPBYPASS || v == OMAP4XXX_EN_DPLL_FRBYPASS || v == OMAP4XXX_EN_DPLL_MNBYPASS) +#ifdef CONFIG_COMMON_CLK + return 1; +#else clk_reparent(clk, dd->clk_bypass); +#endif } +#ifdef CONFIG_COMMON_CLK + return 0; +#else return; +#endif } /** @@ -232,7 +269,11 @@ void omap2_init_dpll_parent(struct clk *clk) * locked, or the appropriate bypass rate if the DPLL is bypassed, or 0 * if the clock @clk is not a DPLL. */ +#ifdef CONFIG_COMMON_CLK +unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk) +#else u32 omap2_get_dpll_rate(struct clk *clk) +#endif { long long dpll_clk; u32 dpll_mult, dpll_div, v; @@ -288,8 +329,15 @@ u32 omap2_get_dpll_rate(struct clk *clk) * (expensive) function again. Returns ~0 if the target rate cannot * be rounded, or the rounded rate upon success. */ +#ifdef CONFIG_COMMON_CLK +long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate, + unsigned long *parent_rate) +{ + struct clk_hw_omap *clk = to_clk_hw_omap(hw); +#else long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate) { +#endif int m, n, r, scaled_max_m; unsigned long scaled_rt_rp; unsigned long new_rate = 0; @@ -303,7 +351,11 @@ long omap2_dpll_round_rate(struct clk *clk, unsigned long target_rate) dd = clk->dpll_data; ref_rate = __clk_get_rate(dd->clk_ref); +#ifdef CONFIG_COMMON_CLK + clk_name = __clk_get_name(hw->clk); +#else clk_name = __clk_get_name(clk); +#endif pr_debug("clock: %s: starting DPLL round_rate, target rate %ld\n", clk_name, target_rate); |