diff options
Diffstat (limited to 'drivers/clk/at91/at91sam9n12.c')
| -rw-r--r-- | drivers/clk/at91/at91sam9n12.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c index 63cc58944b00..751786184ae2 100644 --- a/drivers/clk/at91/at91sam9n12.c +++ b/drivers/clk/at91/at91sam9n12.c @@ -54,9 +54,14 @@ static const struct clk_pll_characteristics pllb_characteristics = { static const struct { char *n; char *p; + unsigned long flags; u8 id; } at91sam9n12_systemck[] = { - { .n = "ddrck", .p = "masterck_div", .id = 2 }, + /* + * ddrck feeds DDR controller and is enabled by bootloader thus we need + * to keep it enabled in case there is no Linux consumer for it. + */ + { .n = "ddrck", .p = "masterck_div", .id = 2, .flags = CLK_IS_CRITICAL }, { .n = "lcdck", .p = "masterck_div", .id = 3 }, { .n = "uhpck", .p = "usbck", .id = 6 }, { .n = "udpck", .p = "usbck", .id = 7 }, @@ -142,14 +147,14 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) bypass = of_property_read_bool(np, "atmel,osc-bypass"); - hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, + hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, NULL, bypass); if (IS_ERR(hw)) goto err_free; parent_names[0] = "main_rc_osc"; parent_names[1] = "main_osc"; - hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, 2); + hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, NULL, 2); if (IS_ERR(hw)) goto err_free; @@ -178,16 +183,15 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) parent_names[2] = "plladivck"; parent_names[3] = "pllbck"; hw = at91_clk_register_master_pres(regmap, "masterck_pres", 4, - parent_names, + parent_names, NULL, &at91sam9x5_master_layout, &mck_characteristics, - &at91sam9n12_mck_lock, - CLK_SET_RATE_GATE, INT_MIN); + &at91sam9n12_mck_lock); if (IS_ERR(hw)) goto err_free; hw = at91_clk_register_master_div(regmap, "masterck_div", - "masterck_pres", + "masterck_pres", NULL, &at91sam9x5_master_layout, &mck_characteristics, &at91sam9n12_mck_lock, @@ -212,7 +216,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) snprintf(name, sizeof(name), "prog%d", i); hw = at91_clk_register_programmable(regmap, name, - parent_names, 5, i, + parent_names, NULL, 5, i, &at91sam9x5_programmable_layout, NULL); if (IS_ERR(hw)) @@ -223,8 +227,9 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91sam9n12_systemck); i++) { hw = at91_clk_register_system(regmap, at91sam9n12_systemck[i].n, - at91sam9n12_systemck[i].p, - at91sam9n12_systemck[i].id); + at91sam9n12_systemck[i].p, NULL, + at91sam9n12_systemck[i].id, + at91sam9n12_systemck[i].flags); if (IS_ERR(hw)) goto err_free; @@ -235,9 +240,9 @@ 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_div", + "masterck_div", NULL, at91sam9n12_periphck[i].id, - &range, INT_MIN); + &range, INT_MIN, 0); if (IS_ERR(hw)) goto err_free; |