diff options
Diffstat (limited to 'drivers/clk/at91/at91sam9g45.c')
| -rw-r--r-- | drivers/clk/at91/at91sam9g45.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c index 8c9344451f46..f45a7b80f7d8 100644 --- a/drivers/clk/at91/at91sam9g45.c +++ b/drivers/clk/at91/at91sam9g45.c @@ -40,9 +40,14 @@ static const struct clk_pll_characteristics plla_characteristics = { static const struct { char *n; char *p; + unsigned long flags; u8 id; } at91sam9g45_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 = "uhpck", .p = "usbck", .id = 6 }, { .n = "pck0", .p = "prog0", .id = 8 }, { .n = "pck1", .p = "prog1", .id = 9 }, @@ -118,12 +123,12 @@ static void __init at91sam9g45_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; - hw = at91_clk_register_rm9200_main(regmap, "mainck", "main_osc"); + hw = at91_clk_register_rm9200_main(regmap, "mainck", "main_osc", NULL); if (IS_ERR(hw)) goto err_free; @@ -140,7 +145,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) at91sam9g45_pmc->chws[PMC_PLLACK] = hw; - hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); + hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck", NULL); if (IS_ERR(hw)) goto err_free; @@ -151,7 +156,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) parent_names[2] = "plladivck"; parent_names[3] = "utmick"; hw = at91_clk_register_master_pres(regmap, "masterck_pres", 4, - parent_names, + parent_names, NULL, &at91rm9200_master_layout, &mck_characteristics, &at91sam9g45_mck_lock); @@ -159,7 +164,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) goto err_free; hw = at91_clk_register_master_div(regmap, "masterck_div", - "masterck_pres", + "masterck_pres", NULL, &at91rm9200_master_layout, &mck_characteristics, &at91sam9g45_mck_lock, @@ -186,7 +191,7 @@ static void __init at91sam9g45_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, &at91sam9g45_programmable_layout, NULL); if (IS_ERR(hw)) @@ -197,8 +202,9 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91sam9g45_systemck); i++) { hw = at91_clk_register_system(regmap, at91sam9g45_systemck[i].n, - at91sam9g45_systemck[i].p, - at91sam9g45_systemck[i].id); + at91sam9g45_systemck[i].p, NULL, + at91sam9g45_systemck[i].id, + at91sam9g45_systemck[i].flags); if (IS_ERR(hw)) goto err_free; @@ -208,7 +214,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91sam9g45_periphck); i++) { hw = at91_clk_register_peripheral(regmap, at91sam9g45_periphck[i].n, - "masterck_div", + "masterck_div", NULL, at91sam9g45_periphck[i].id); if (IS_ERR(hw)) goto err_free; |