diff options
Diffstat (limited to 'drivers/clk/at91/at91sam9n12.c')
| -rw-r--r-- | drivers/clk/at91/at91sam9n12.c | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c index 93f7eb216122..f9db5316a7f1 100644 --- a/drivers/clk/at91/at91sam9n12.c +++ b/drivers/clk/at91/at91sam9n12.c @@ -7,6 +7,8 @@ #include "pmc.h" +static DEFINE_SPINLOCK(at91sam9n12_mck_lock); + static const struct clk_master_characteristics mck_characteristics = { .output = { .min = 0, .max = 133333333 }, .divisors = { 1, 2, 4, 3 }, @@ -54,12 +56,12 @@ static const struct { char *p; u8 id; } at91sam9n12_systemck[] = { - { .n = "ddrck", .p = "masterck", .id = 2 }, - { .n = "lcdck", .p = "masterck", .id = 3 }, - { .n = "uhpck", .p = "usbck", .id = 6 }, - { .n = "udpck", .p = "usbck", .id = 7 }, - { .n = "pck0", .p = "prog0", .id = 8 }, - { .n = "pck1", .p = "prog1", .id = 9 }, + { .n = "ddrck", .p = "masterck_div", .id = 2 }, + { .n = "lcdck", .p = "masterck_div", .id = 3 }, + { .n = "uhpck", .p = "usbck", .id = 6 }, + { .n = "udpck", .p = "usbck", .id = 7 }, + { .n = "pck0", .p = "prog0", .id = 8 }, + { .n = "pck1", .p = "prog1", .id = 9 }, }; static const struct clk_pcr_layout at91sam9n12_pcr_layout = { @@ -175,9 +177,21 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) parent_names[1] = "mainck"; parent_names[2] = "plladivck"; parent_names[3] = "pllbck"; - hw = at91_clk_register_master(regmap, "masterck", 4, parent_names, - &at91sam9x5_master_layout, - &mck_characteristics); + hw = at91_clk_register_master_pres(regmap, "masterck_pres", 4, + parent_names, + &at91sam9x5_master_layout, + &mck_characteristics, + &at91sam9n12_mck_lock, + CLK_SET_RATE_GATE, INT_MIN); + if (IS_ERR(hw)) + goto err_free; + + hw = at91_clk_register_master_div(regmap, "masterck_div", + "masterck_pres", + &at91sam9x5_master_layout, + &mck_characteristics, + &at91sam9n12_mck_lock, + CLK_SET_RATE_GATE); if (IS_ERR(hw)) goto err_free; @@ -191,7 +205,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) parent_names[1] = "mainck"; parent_names[2] = "plladivck"; parent_names[3] = "pllbck"; - parent_names[4] = "masterck"; + parent_names[4] = "masterck_div"; for (i = 0; i < 2; i++) { char name[6]; @@ -221,7 +235,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &at91sam9n12_pcr_layout, at91sam9n12_periphck[i].n, - "masterck", + "masterck_div", at91sam9n12_periphck[i].id, &range, INT_MIN); if (IS_ERR(hw)) |