diff options
Diffstat (limited to 'drivers/clk/at91/clk-utmi.c')
-rw-r--r-- | drivers/clk/at91/clk-utmi.c | 45 |
1 files changed, 1 insertions, 44 deletions
diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c index cd8d689138ff..9a970abf3489 100644 --- a/drivers/clk/at91/clk-utmi.c +++ b/drivers/clk/at91/clk-utmi.c @@ -125,7 +125,7 @@ static const struct clk_ops utmi_ops = { .recalc_rate = clk_utmi_recalc_rate, }; -static struct clk_hw * __init +struct clk_hw * __init at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr, const char *name, const char *parent_name) { @@ -157,46 +157,3 @@ at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr, return hw; } - -static void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np) -{ - struct clk_hw *hw; - const char *parent_name; - const char *name = np->name; - struct regmap *regmap_pmc, *regmap_sfr; - - parent_name = of_clk_get_parent_name(np, 0); - - of_property_read_string(np, "clock-output-names", &name); - - regmap_pmc = syscon_node_to_regmap(of_get_parent(np)); - if (IS_ERR(regmap_pmc)) - return; - - /* - * If the device supports different mainck rates, this value has to be - * set in the UTMI Clock Trimming register. - * - 9x5: mainck supports several rates but it is indicated that a - * 12 MHz is needed in case of USB. - * - sama5d3 and sama5d2: mainck supports several rates. Configuring - * the FREQ field of the UTMI Clock Trimming register is mandatory. - * - sama5d4: mainck is at 12 MHz. - * - * We only need to retrieve sama5d3 or sama5d2 sfr regmap. - */ - regmap_sfr = syscon_regmap_lookup_by_compatible("atmel,sama5d3-sfr"); - if (IS_ERR(regmap_sfr)) { - regmap_sfr = syscon_regmap_lookup_by_compatible("atmel,sama5d2-sfr"); - if (IS_ERR(regmap_sfr)) - regmap_sfr = NULL; - } - - hw = at91_clk_register_utmi(regmap_pmc, regmap_sfr, name, parent_name); - if (IS_ERR(hw)) - return; - - of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw); - return; -} -CLK_OF_DECLARE(at91sam9x5_clk_utmi, "atmel,at91sam9x5-clk-utmi", - of_at91sam9x5_clk_utmi_setup); |