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-rw-r--r--drivers/clk/at91/at91rm9200.c3
-rw-r--r--drivers/clk/at91/at91sam9260.c3
-rw-r--r--drivers/clk/at91/at91sam9g45.c3
-rw-r--r--drivers/clk/at91/at91sam9n12.c3
-rw-r--r--drivers/clk/at91/at91sam9rl.c3
-rw-r--r--drivers/clk/at91/at91sam9x5.c3
-rw-r--r--drivers/clk/at91/clk-generated.c9
-rw-r--r--drivers/clk/at91/clk-master.c126
-rw-r--r--drivers/clk/at91/clk-peripheral.c4
-rw-r--r--drivers/clk/at91/dt-compat.c111
-rw-r--r--drivers/clk/at91/pmc.h2
-rw-r--r--drivers/clk/at91/sam9x60.c3
-rw-r--r--drivers/clk/at91/sama5d2.c17
-rw-r--r--drivers/clk/at91/sama5d3.c3
-rw-r--r--drivers/clk/at91/sama5d4.c3
-rw-r--r--drivers/clk/at91/sama7g5.c16
-rw-r--r--drivers/clk/at91/sckc.c2
17 files changed, 142 insertions, 172 deletions
diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c
index fff4fdda974f..b174f727a8ef 100644
--- a/drivers/clk/at91/at91rm9200.c
+++ b/drivers/clk/at91/at91rm9200.c
@@ -143,8 +143,7 @@ static void __init at91rm9200_pmc_setup(struct device_node *np)
parent_names,
&at91rm9200_master_layout,
&rm9200_mck_characteristics,
- &rm9200_mck_lock, CLK_SET_RATE_GATE,
- INT_MIN);
+ &rm9200_mck_lock);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c
index 79802f864ee5..11550e50cd9f 100644
--- a/drivers/clk/at91/at91sam9260.c
+++ b/drivers/clk/at91/at91sam9260.c
@@ -419,8 +419,7 @@ static void __init at91sam926x_pmc_setup(struct device_node *np,
parent_names,
&at91rm9200_master_layout,
data->mck_characteristics,
- &at91sam9260_mck_lock,
- CLK_SET_RATE_GATE, INT_MIN);
+ &at91sam9260_mck_lock);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c
index 7ed984f8058c..8c9344451f46 100644
--- a/drivers/clk/at91/at91sam9g45.c
+++ b/drivers/clk/at91/at91sam9g45.c
@@ -154,8 +154,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np)
parent_names,
&at91rm9200_master_layout,
&mck_characteristics,
- &at91sam9g45_mck_lock,
- CLK_SET_RATE_GATE, INT_MIN);
+ &at91sam9g45_mck_lock);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c
index 63cc58944b00..0bb19400d199 100644
--- a/drivers/clk/at91/at91sam9n12.c
+++ b/drivers/clk/at91/at91sam9n12.c
@@ -181,8 +181,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np)
parent_names,
&at91sam9x5_master_layout,
&mck_characteristics,
- &at91sam9n12_mck_lock,
- CLK_SET_RATE_GATE, INT_MIN);
+ &at91sam9n12_mck_lock);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c
index 4d4faf6c61d8..b992137bab02 100644
--- a/drivers/clk/at91/at91sam9rl.c
+++ b/drivers/clk/at91/at91sam9rl.c
@@ -123,8 +123,7 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np)
parent_names,
&at91rm9200_master_layout,
&sam9rl_mck_characteristics,
- &sam9rl_mck_lock, CLK_SET_RATE_GATE,
- INT_MIN);
+ &sam9rl_mck_lock);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c
index bd8007b4f3e0..3857db2e144b 100644
--- a/drivers/clk/at91/at91sam9x5.c
+++ b/drivers/clk/at91/at91sam9x5.c
@@ -201,8 +201,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np,
hw = at91_clk_register_master_pres(regmap, "masterck_pres", 4,
parent_names,
&at91sam9x5_master_layout,
- &mck_characteristics, &mck_lock,
- CLK_SET_RATE_GATE, INT_MIN);
+ &mck_characteristics, &mck_lock);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c
index 23cc8297ec4c..943ea67bf135 100644
--- a/drivers/clk/at91/clk-generated.c
+++ b/drivers/clk/at91/clk-generated.c
@@ -117,6 +117,10 @@ static void clk_generated_best_diff(struct clk_rate_request *req,
tmp_rate = parent_rate;
else
tmp_rate = parent_rate / div;
+
+ if (tmp_rate < req->min_rate || tmp_rate > req->max_rate)
+ return;
+
tmp_diff = abs(req->rate - tmp_rate);
if (*best_diff < 0 || *best_diff >= tmp_diff) {
@@ -132,7 +136,6 @@ static int clk_generated_determine_rate(struct clk_hw *hw,
{
struct clk_generated *gck = to_clk_generated(hw);
struct clk_hw *parent = NULL;
- struct clk_rate_request req_parent = *req;
long best_rate = -EINVAL;
unsigned long min_rate, parent_rate;
int best_diff = -1;
@@ -188,7 +191,9 @@ static int clk_generated_determine_rate(struct clk_hw *hw,
goto end;
for (div = 1; div < GENERATED_MAX_DIV + 2; div++) {
- req_parent.rate = req->rate * div;
+ struct clk_rate_request req_parent;
+
+ clk_hw_forward_rate_request(hw, req, parent, &req_parent, req->rate * div);
if (__clk_determine_rate(parent, &req_parent))
continue;
clk_generated_best_diff(req, parent, req_parent.rate, div,
diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
index b2d0a7f4f7f9..b7cd1924de52 100644
--- a/drivers/clk/at91/clk-master.c
+++ b/drivers/clk/at91/clk-master.c
@@ -374,85 +374,6 @@ static void clk_sama7g5_master_best_diff(struct clk_rate_request *req,
}
}
-static int clk_master_pres_determine_rate(struct clk_hw *hw,
- struct clk_rate_request *req)
-{
- struct clk_master *master = to_clk_master(hw);
- struct clk_rate_request req_parent = *req;
- const struct clk_master_characteristics *characteristics =
- master->characteristics;
- struct clk_hw *parent;
- long best_rate = LONG_MIN, best_diff = LONG_MIN;
- u32 pres;
- int i;
-
- if (master->chg_pid < 0)
- return -EOPNOTSUPP;
-
- parent = clk_hw_get_parent_by_index(hw, master->chg_pid);
- if (!parent)
- return -EOPNOTSUPP;
-
- for (i = 0; i <= MASTER_PRES_MAX; i++) {
- if (characteristics->have_div3_pres && i == MASTER_PRES_MAX)
- pres = 3;
- else
- pres = 1 << i;
-
- req_parent.rate = req->rate * pres;
- if (__clk_determine_rate(parent, &req_parent))
- continue;
-
- clk_sama7g5_master_best_diff(req, parent, req_parent.rate,
- &best_diff, &best_rate, pres);
- if (!best_diff)
- break;
- }
-
- return 0;
-}
-
-static int clk_master_pres_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct clk_master *master = to_clk_master(hw);
- unsigned long flags;
- unsigned int pres, mckr, tmp;
- int ret;
-
- pres = DIV_ROUND_CLOSEST(parent_rate, rate);
- if (pres > MASTER_PRES_MAX)
- return -EINVAL;
-
- else if (pres == 3)
- pres = MASTER_PRES_MAX;
- else if (pres)
- pres = ffs(pres) - 1;
-
- spin_lock_irqsave(master->lock, flags);
- ret = regmap_read(master->regmap, master->layout->offset, &mckr);
- if (ret)
- goto unlock;
-
- mckr &= master->layout->mask;
- tmp = (mckr >> master->layout->pres_shift) & MASTER_PRES_MASK;
- if (pres == tmp)
- goto unlock;
-
- mckr &= ~(MASTER_PRES_MASK << master->layout->pres_shift);
- mckr |= (pres << master->layout->pres_shift);
- ret = regmap_write(master->regmap, master->layout->offset, mckr);
- if (ret)
- goto unlock;
-
- while (!clk_master_ready(master))
- cpu_relax();
-unlock:
- spin_unlock_irqrestore(master->lock, flags);
-
- return ret;
-}
-
static unsigned long clk_master_pres_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
@@ -539,13 +460,6 @@ static void clk_master_pres_restore_context(struct clk_hw *hw)
pr_warn("MCKR PRES was not configured properly by firmware!\n");
}
-static void clk_master_pres_restore_context_chg(struct clk_hw *hw)
-{
- struct clk_master *master = to_clk_master(hw);
-
- clk_master_pres_set_rate(hw, master->pms.rate, master->pms.parent_rate);
-}
-
static const struct clk_ops master_pres_ops = {
.prepare = clk_master_prepare,
.is_prepared = clk_master_is_prepared,
@@ -555,25 +469,13 @@ static const struct clk_ops master_pres_ops = {
.restore_context = clk_master_pres_restore_context,
};
-static const struct clk_ops master_pres_ops_chg = {
- .prepare = clk_master_prepare,
- .is_prepared = clk_master_is_prepared,
- .determine_rate = clk_master_pres_determine_rate,
- .recalc_rate = clk_master_pres_recalc_rate,
- .get_parent = clk_master_pres_get_parent,
- .set_rate = clk_master_pres_set_rate,
- .save_context = clk_master_pres_save_context,
- .restore_context = clk_master_pres_restore_context_chg,
-};
-
static struct clk_hw * __init
at91_clk_register_master_internal(struct regmap *regmap,
const char *name, int num_parents,
const char **parent_names,
const struct clk_master_layout *layout,
const struct clk_master_characteristics *characteristics,
- const struct clk_ops *ops, spinlock_t *lock, u32 flags,
- int chg_pid)
+ const struct clk_ops *ops, spinlock_t *lock, u32 flags)
{
struct clk_master *master;
struct clk_init_data init;
@@ -599,7 +501,6 @@ at91_clk_register_master_internal(struct regmap *regmap,
master->layout = layout;
master->characteristics = characteristics;
master->regmap = regmap;
- master->chg_pid = chg_pid;
master->lock = lock;
if (ops == &master_div_ops_chg) {
@@ -628,19 +529,13 @@ at91_clk_register_master_pres(struct regmap *regmap,
const char **parent_names,
const struct clk_master_layout *layout,
const struct clk_master_characteristics *characteristics,
- spinlock_t *lock, u32 flags, int chg_pid)
+ spinlock_t *lock)
{
- const struct clk_ops *ops;
-
- if (flags & CLK_SET_RATE_GATE)
- ops = &master_pres_ops;
- else
- ops = &master_pres_ops_chg;
-
return at91_clk_register_master_internal(regmap, name, num_parents,
parent_names, layout,
- characteristics, ops,
- lock, flags, chg_pid);
+ characteristics,
+ &master_pres_ops,
+ lock, CLK_SET_RATE_GATE);
}
struct clk_hw * __init
@@ -661,7 +556,7 @@ at91_clk_register_master_div(struct regmap *regmap,
hw = at91_clk_register_master_internal(regmap, name, 1,
&parent_name, layout,
characteristics, ops,
- lock, flags, -EINVAL);
+ lock, flags);
if (!IS_ERR(hw) && safe_div) {
master_div = to_clk_master(hw);
@@ -686,7 +581,6 @@ static int clk_sama7g5_master_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
struct clk_master *master = to_clk_master(hw);
- struct clk_rate_request req_parent = *req;
struct clk_hw *parent;
long best_rate = LONG_MIN, best_diff = LONG_MIN;
unsigned long parent_rate;
@@ -723,11 +617,15 @@ static int clk_sama7g5_master_determine_rate(struct clk_hw *hw,
goto end;
for (div = 0; div < MASTER_PRES_MAX + 1; div++) {
+ struct clk_rate_request req_parent;
+ unsigned long req_rate;
+
if (div == MASTER_PRES_MAX)
- req_parent.rate = req->rate * 3;
+ req_rate = req->rate * 3;
else
- req_parent.rate = req->rate << div;
+ req_rate = req->rate << div;
+ clk_hw_forward_rate_request(hw, req, parent, &req_parent, req_rate);
if (__clk_determine_rate(parent, &req_parent))
continue;
diff --git a/drivers/clk/at91/clk-peripheral.c b/drivers/clk/at91/clk-peripheral.c
index e14fa5ac734c..5104d4025484 100644
--- a/drivers/clk/at91/clk-peripheral.c
+++ b/drivers/clk/at91/clk-peripheral.c
@@ -269,7 +269,6 @@ static int clk_sam9x5_peripheral_determine_rate(struct clk_hw *hw,
{
struct clk_sam9x5_peripheral *periph = to_clk_sam9x5_peripheral(hw);
struct clk_hw *parent = clk_hw_get_parent(hw);
- struct clk_rate_request req_parent = *req;
unsigned long parent_rate = clk_hw_get_rate(parent);
unsigned long tmp_rate;
long best_rate = LONG_MIN;
@@ -302,8 +301,9 @@ static int clk_sam9x5_peripheral_determine_rate(struct clk_hw *hw,
goto end;
for (shift = 0; shift <= PERIPHERAL_MAX_SHIFT; shift++) {
- req_parent.rate = req->rate << shift;
+ struct clk_rate_request req_parent;
+ clk_hw_forward_rate_request(hw, req, parent, &req_parent, req->rate << shift);
if (__clk_determine_rate(parent, &req_parent))
continue;
diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c
index ca2dbb65b9df..85a964cb2d89 100644
--- a/drivers/clk/at91/dt-compat.c
+++ b/drivers/clk/at91/dt-compat.c
@@ -33,8 +33,11 @@ static void __init of_sama5d2_clk_audio_pll_frac_setup(struct device_node *np)
const char *name = np->name;
const char *parent_name;
struct regmap *regmap;
+ struct device_node *parent_np;
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -56,8 +59,11 @@ static void __init of_sama5d2_clk_audio_pll_pad_setup(struct device_node *np)
const char *name = np->name;
const char *parent_name;
struct regmap *regmap;
+ struct device_node *parent_np;
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -79,8 +85,11 @@ static void __init of_sama5d2_clk_audio_pll_pmc_setup(struct device_node *np)
const char *name = np->name;
const char *parent_name;
struct regmap *regmap;
+ struct device_node *parent_np;
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -120,7 +129,7 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np)
struct clk_hw *hw;
unsigned int num_parents;
const char *parent_names[GENERATED_SOURCE_MAX];
- struct device_node *gcknp;
+ struct device_node *gcknp, *parent_np;
struct clk_range range = CLK_RANGE(0, 0);
struct regmap *regmap;
@@ -134,7 +143,9 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np)
if (!num || num > PERIPHERAL_MAX)
return;
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -180,8 +191,11 @@ static void __init of_sama5d4_clk_h32mx_setup(struct device_node *np)
const char *name = np->name;
const char *parent_name;
struct regmap *regmap;
+ struct device_node *parent_np;
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -243,12 +257,15 @@ static void __init of_at91rm9200_clk_main_osc_setup(struct device_node *np)
const char *parent_name;
struct regmap *regmap;
bool bypass;
+ struct device_node *parent_np;
of_property_read_string(np, "clock-output-names", &name);
bypass = of_property_read_bool(np, "atmel,osc-bypass");
parent_name = of_clk_get_parent_name(np, 0);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -268,12 +285,15 @@ static void __init of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np)
u32 accuracy = 0;
const char *name = np->name;
struct regmap *regmap;
+ struct device_node *parent_np;
of_property_read_string(np, "clock-output-names", &name);
of_property_read_u32(np, "clock-frequency", &frequency);
of_property_read_u32(np, "clock-accuracy", &accuracy);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -292,11 +312,14 @@ static void __init of_at91rm9200_clk_main_setup(struct device_node *np)
const char *parent_name;
const char *name = np->name;
struct regmap *regmap;
+ struct device_node *parent_np;
parent_name = of_clk_get_parent_name(np, 0);
of_property_read_string(np, "clock-output-names", &name);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -316,13 +339,16 @@ static void __init of_at91sam9x5_clk_main_setup(struct device_node *np)
unsigned int num_parents;
const char *name = np->name;
struct regmap *regmap;
+ struct device_node *parent_np;
num_parents = of_clk_get_parent_count(np);
if (num_parents == 0 || num_parents > 2)
return;
of_clk_parent_fill(np, parent_names, num_parents);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -373,6 +399,7 @@ of_at91_clk_master_setup(struct device_node *np,
const char *name = np->name;
struct clk_master_characteristics *characteristics;
struct regmap *regmap;
+ struct device_node *parent_np;
num_parents = of_clk_get_parent_count(np);
if (num_parents == 0 || num_parents > MASTER_SOURCE_MAX)
@@ -386,14 +413,15 @@ of_at91_clk_master_setup(struct device_node *np,
if (!characteristics)
return;
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
hw = at91_clk_register_master_pres(regmap, "masterck_pres", num_parents,
parent_names, layout,
- characteristics, &mck_lock,
- CLK_SET_RATE_GATE, INT_MIN);
+ characteristics, &mck_lock);
if (IS_ERR(hw))
goto out_free_characteristics;
@@ -434,6 +462,7 @@ of_at91_clk_periph_setup(struct device_node *np, u8 type)
const char *name;
struct device_node *periphclknp;
struct regmap *regmap;
+ struct device_node *parent_np;
parent_name = of_clk_get_parent_name(np, 0);
if (!parent_name)
@@ -443,7 +472,9 @@ of_at91_clk_periph_setup(struct device_node *np, u8 type)
if (!num || num > PERIPHERAL_MAX)
return;
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -602,6 +633,7 @@ of_at91_clk_pll_setup(struct device_node *np,
struct regmap *regmap;
const char *parent_name;
const char *name = np->name;
+ struct device_node *parent_np;
struct clk_pll_characteristics *characteristics;
if (of_property_read_u32(np, "reg", &id))
@@ -611,7 +643,9 @@ of_at91_clk_pll_setup(struct device_node *np,
of_property_read_string(np, "clock-output-names", &name);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -666,12 +700,15 @@ of_at91sam9x5_clk_plldiv_setup(struct device_node *np)
const char *parent_name;
const char *name = np->name;
struct regmap *regmap;
+ struct device_node *parent_np;
parent_name = of_clk_get_parent_name(np, 0);
of_property_read_string(np, "clock-output-names", &name);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -695,7 +732,7 @@ of_at91_clk_prog_setup(struct device_node *np,
unsigned int num_parents;
const char *parent_names[PROG_SOURCE_MAX];
const char *name;
- struct device_node *progclknp;
+ struct device_node *progclknp, *parent_np;
struct regmap *regmap;
num_parents = of_clk_get_parent_count(np);
@@ -708,7 +745,9 @@ of_at91_clk_prog_setup(struct device_node *np,
if (!num || num > (PROG_ID_MAX + 1))
return;
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -757,13 +796,16 @@ static void __init of_at91sam9260_clk_slow_setup(struct device_node *np)
unsigned int num_parents;
const char *name = np->name;
struct regmap *regmap;
+ struct device_node *parent_np;
num_parents = of_clk_get_parent_count(np);
if (num_parents != 2)
return;
of_clk_parent_fill(np, parent_names, num_parents);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -789,6 +831,7 @@ static void __init of_at91sam9x5_clk_smd_setup(struct device_node *np)
const char *parent_names[SMD_SOURCE_MAX];
const char *name = np->name;
struct regmap *regmap;
+ struct device_node *parent_np;
num_parents = of_clk_get_parent_count(np);
if (num_parents == 0 || num_parents > SMD_SOURCE_MAX)
@@ -798,7 +841,9 @@ static void __init of_at91sam9x5_clk_smd_setup(struct device_node *np)
of_property_read_string(np, "clock-output-names", &name);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -819,7 +864,7 @@ static void __init of_at91rm9200_clk_sys_setup(struct device_node *np)
u32 id;
struct clk_hw *hw;
const char *name;
- struct device_node *sysclknp;
+ struct device_node *sysclknp, *parent_np;
const char *parent_name;
struct regmap *regmap;
@@ -827,7 +872,9 @@ static void __init of_at91rm9200_clk_sys_setup(struct device_node *np)
if (num > (SYSTEM_MAX_ID + 1))
return;
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -860,6 +907,7 @@ static void __init of_at91sam9x5_clk_usb_setup(struct device_node *np)
const char *parent_names[USB_SOURCE_MAX];
const char *name = np->name;
struct regmap *regmap;
+ struct device_node *parent_np;
num_parents = of_clk_get_parent_count(np);
if (num_parents == 0 || num_parents > USB_SOURCE_MAX)
@@ -869,7 +917,9 @@ static void __init of_at91sam9x5_clk_usb_setup(struct device_node *np)
of_property_read_string(np, "clock-output-names", &name);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -889,6 +939,7 @@ static void __init of_at91sam9n12_clk_usb_setup(struct device_node *np)
const char *parent_name;
const char *name = np->name;
struct regmap *regmap;
+ struct device_node *parent_np;
parent_name = of_clk_get_parent_name(np, 0);
if (!parent_name)
@@ -896,7 +947,9 @@ static void __init of_at91sam9n12_clk_usb_setup(struct device_node *np)
of_property_read_string(np, "clock-output-names", &name);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
@@ -916,6 +969,7 @@ static void __init of_at91rm9200_clk_usb_setup(struct device_node *np)
const char *name = np->name;
u32 divisors[4] = {0, 0, 0, 0};
struct regmap *regmap;
+ struct device_node *parent_np;
parent_name = of_clk_get_parent_name(np, 0);
if (!parent_name)
@@ -927,7 +981,9 @@ static void __init of_at91rm9200_clk_usb_setup(struct device_node *np)
of_property_read_string(np, "clock-output-names", &name);
- regmap = syscon_node_to_regmap(of_get_parent(np));
+ parent_np = of_get_parent(np);
+ regmap = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap))
return;
hw = at91rm9200_clk_register_usb(regmap, name, parent_name, divisors);
@@ -947,12 +1003,15 @@ static void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np)
const char *parent_name;
const char *name = np->name;
struct regmap *regmap_pmc, *regmap_sfr;
+ struct device_node *parent_np;
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));
+ parent_np = of_get_parent(np);
+ regmap_pmc = syscon_node_to_regmap(parent_np);
+ of_node_put(parent_np);
if (IS_ERR(regmap_pmc))
return;
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index 3a1bf6194c28..efe4975bddc3 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -175,7 +175,7 @@ at91_clk_register_master_pres(struct regmap *regmap, const char *name,
int num_parents, const char **parent_names,
const struct clk_master_layout *layout,
const struct clk_master_characteristics *characteristics,
- spinlock_t *lock, u32 flags, int chg_pid);
+ spinlock_t *lock);
struct clk_hw * __init
at91_clk_register_master_div(struct regmap *regmap, const char *name,
diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
index 5c264185f261..9ea4ce501bad 100644
--- a/drivers/clk/at91/sam9x60.c
+++ b/drivers/clk/at91/sam9x60.c
@@ -271,8 +271,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np)
parent_names[2] = "pllack_divck";
hw = at91_clk_register_master_pres(regmap, "masterck_pres", 3,
parent_names, &sam9x60_master_layout,
- &mck_characteristics, &mck_lock,
- CLK_SET_RATE_GATE, INT_MIN);
+ &mck_characteristics, &mck_lock);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c
index d027294a0089..84156dc52bff 100644
--- a/drivers/clk/at91/sama5d2.c
+++ b/drivers/clk/at91/sama5d2.c
@@ -120,6 +120,16 @@ static const struct {
struct clk_range r;
int chg_pid;
} sama5d2_gck[] = {
+ { .n = "flx0_gclk", .id = 19, .chg_pid = INT_MIN, .r = { .min = 0, .max = 27666666 }, },
+ { .n = "flx1_gclk", .id = 20, .chg_pid = INT_MIN, .r = { .min = 0, .max = 27666666 }, },
+ { .n = "flx2_gclk", .id = 21, .chg_pid = INT_MIN, .r = { .min = 0, .max = 27666666 }, },
+ { .n = "flx3_gclk", .id = 22, .chg_pid = INT_MIN, .r = { .min = 0, .max = 27666666 }, },
+ { .n = "flx4_gclk", .id = 23, .chg_pid = INT_MIN, .r = { .min = 0, .max = 27666666 }, },
+ { .n = "uart0_gclk", .id = 24, .chg_pid = INT_MIN, .r = { .min = 0, .max = 27666666 }, },
+ { .n = "uart1_gclk", .id = 25, .chg_pid = INT_MIN, .r = { .min = 0, .max = 27666666 }, },
+ { .n = "uart2_gclk", .id = 26, .chg_pid = INT_MIN, .r = { .min = 0, .max = 27666666 }, },
+ { .n = "uart3_gclk", .id = 27, .chg_pid = INT_MIN, .r = { .min = 0, .max = 27666666 }, },
+ { .n = "uart4_gclk", .id = 28, .chg_pid = INT_MIN, .r = { .min = 0, .max = 27666666 }, },
{ .n = "sdmmc0_gclk", .id = 31, .chg_pid = INT_MIN, },
{ .n = "sdmmc1_gclk", .id = 32, .chg_pid = INT_MIN, },
{ .n = "tcb0_gclk", .id = 35, .chg_pid = INT_MIN, .r = { .min = 0, .max = 83000000 }, },
@@ -168,7 +178,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
if (IS_ERR(regmap))
return;
- sama5d2_pmc = pmc_data_allocate(PMC_AUDIOPLLCK + 1,
+ sama5d2_pmc = pmc_data_allocate(PMC_AUDIOPINCK + 1,
nck(sama5d2_systemck),
nck(sama5d2_periph32ck),
nck(sama5d2_gck), 3);
@@ -216,6 +226,8 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
if (IS_ERR(hw))
goto err_free;
+ sama5d2_pmc->chws[PMC_AUDIOPINCK] = hw;
+
hw = at91_clk_register_audio_pll_pmc(regmap, "audiopll_pmcck",
"audiopll_fracck");
if (IS_ERR(hw))
@@ -240,8 +252,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
hw = at91_clk_register_master_pres(regmap, "masterck_pres", 4,
parent_names,
&at91sam9x5_master_layout,
- &mck_characteristics, &mck_lock,
- CLK_SET_RATE_GATE, INT_MIN);
+ &mck_characteristics, &mck_lock);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c
index 339d0f382ff0..7e93c6edf305 100644
--- a/drivers/clk/at91/sama5d3.c
+++ b/drivers/clk/at91/sama5d3.c
@@ -175,8 +175,7 @@ static void __init sama5d3_pmc_setup(struct device_node *np)
hw = at91_clk_register_master_pres(regmap, "masterck_pres", 4,
parent_names,
&at91sam9x5_master_layout,
- &mck_characteristics, &mck_lock,
- CLK_SET_RATE_GATE, INT_MIN);
+ &mck_characteristics, &mck_lock);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c
index 4af75b1e39e9..1a14a9bce308 100644
--- a/drivers/clk/at91/sama5d4.c
+++ b/drivers/clk/at91/sama5d4.c
@@ -190,8 +190,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np)
hw = at91_clk_register_master_pres(regmap, "masterck_pres", 4,
parent_names,
&at91sam9x5_master_layout,
- &mck_characteristics, &mck_lock,
- CLK_SET_RATE_GATE, INT_MIN);
+ &mck_characteristics, &mck_lock);
if (IS_ERR(hw))
goto err_free;
diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c
index 369dfafabbca..9a213ba9e58b 100644
--- a/drivers/clk/at91/sama7g5.c
+++ b/drivers/clk/at91/sama7g5.c
@@ -302,6 +302,7 @@ static const struct {
* @ep_count: extra parents count
* @ep_mux_table: mux table for extra parents
* @id: clock id
+ * @eid: export index in sama7g5->chws[] array
* @c: true if clock is critical and cannot be disabled
*/
static const struct {
@@ -311,6 +312,7 @@ static const struct {
u8 ep_count;
u8 ep_mux_table[4];
u8 id;
+ u8 eid;
u8 c;
} sama7g5_mckx[] = {
{ .n = "mck1",
@@ -319,6 +321,7 @@ static const struct {
.ep_mux_table = { 5, },
.ep_count = 1,
.ep_chg_id = INT_MIN,
+ .eid = PMC_MCK1,
.c = 1, },
{ .n = "mck2",
@@ -696,16 +699,16 @@ static const struct {
{ .n = "pdmc0_gclk",
.id = 68,
.r = { .max = 50000000 },
- .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
- .pp_mux_table = { 5, 8, },
+ .pp = { "syspll_divpmcck", "audiopll_divpmcck", },
+ .pp_mux_table = { 5, 9, },
.pp_count = 2,
.pp_chg_id = INT_MIN, },
{ .n = "pdmc1_gclk",
.id = 69,
.r = { .max = 50000000, },
- .pp = { "syspll_divpmcck", "baudpll_divpmcck", },
- .pp_mux_table = { 5, 8, },
+ .pp = { "syspll_divpmcck", "audiopll_divpmcck", },
+ .pp_mux_table = { 5, 9, },
.pp_count = 2,
.pp_chg_id = INT_MIN, },
@@ -913,7 +916,7 @@ static void __init sama7g5_pmc_setup(struct device_node *np)
if (IS_ERR(regmap))
return;
- sama7g5_pmc = pmc_data_allocate(PMC_CPU + 1,
+ sama7g5_pmc = pmc_data_allocate(PMC_MCK1 + 1,
nck(sama7g5_systemck),
nck(sama7g5_periphck),
nck(sama7g5_gck), 8);
@@ -1027,6 +1030,9 @@ static void __init sama7g5_pmc_setup(struct device_node *np)
goto err_free;
alloc_mem[alloc_mem_size++] = mux_table;
+
+ if (sama7g5_mckx[i].eid)
+ sama7g5_pmc->chws[sama7g5_mckx[i].eid] = hw;
}
hw = at91_clk_sama7g5_register_utmi(regmap, "utmick", "main_xtal");
diff --git a/drivers/clk/at91/sckc.c b/drivers/clk/at91/sckc.c
index 2d65770d8665..fdc9b669f8a7 100644
--- a/drivers/clk/at91/sckc.c
+++ b/drivers/clk/at91/sckc.c
@@ -535,7 +535,7 @@ static int clk_sama5d4_slow_osc_prepare(struct clk_hw *hw)
/*
* Assume that if it has already been selected (for example by the
- * bootloader), enough time has aready passed.
+ * bootloader), enough time has already passed.
*/
if ((readl(osc->sckcr) & osc->bits->cr_oscsel)) {
osc->prepared = true;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.