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authorClaudiu Beznea <claudiu.beznea@microchip.com>2020-07-22 10:38:19 +0300
committerStephen Boyd <sboyd@kernel.org>2020-07-24 02:19:08 -0700
commit22a1dfe93bf496d03cb1d76b1fbd23a7ff4a062c (patch)
treefe31d07e2593dcc5f7c90af7bc263cfbfa1e7861 /drivers/clk/at91
parent64c9247b9e87e96e41cea545eb64727cee10c55c (diff)
clk: at91: clk-generated: add mux_table option
Add mux table option. This is necessary for IP versions that has gaps in the range of available clock sources (e.g. SAMA7G5). Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Link: https://lore.kernel.org/r/1595403506-8209-12-git-send-email-claudiu.beznea@microchip.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/at91')
-rw-r--r--drivers/clk/at91/clk-generated.c13
-rw-r--r--drivers/clk/at91/dt-compat.c5
-rw-r--r--drivers/clk/at91/pmc.h2
-rw-r--r--drivers/clk/at91/sam9x60.c2
-rw-r--r--drivers/clk/at91/sama5d2.c2
5 files changed, 16 insertions, 8 deletions
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c
index f9ca04c97128..b4fc8d71daf2 100644
--- a/drivers/clk/at91/clk-generated.c
+++ b/drivers/clk/at91/clk-generated.c
@@ -23,6 +23,7 @@ struct clk_generated {
struct regmap *regmap;
struct clk_range range;
spinlock_t *lock;
+ u32 *mux_table;
u32 id;
u32 gckdiv;
const struct clk_pcr_layout *layout;
@@ -201,7 +202,11 @@ static int clk_generated_set_parent(struct clk_hw *hw, u8 index)
if (index >= clk_hw_get_num_parents(hw))
return -EINVAL;
- gck->parent_id = index;
+ if (gck->mux_table)
+ gck->parent_id = clk_mux_index_to_val(gck->mux_table, 0, index);
+ else
+ gck->parent_id = index;
+
return 0;
}
@@ -273,8 +278,9 @@ struct clk_hw * __init
at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
const struct clk_pcr_layout *layout,
const char *name, const char **parent_names,
- u8 num_parents, u8 id,
- const struct clk_range *range, int chg_pid)
+ u32 *mux_table, u8 num_parents, u8 id,
+ const struct clk_range *range,
+ int chg_pid)
{
struct clk_generated *gck;
struct clk_init_data init;
@@ -300,6 +306,7 @@ at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
gck->range = *range;
gck->chg_pid = chg_pid;
gck->layout = layout;
+ gck->mux_table = mux_table;
clk_generated_startup(gck);
hw = &gck->hw;
diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c
index 8a652c44c25a..cc95d42f4d53 100644
--- a/drivers/clk/at91/dt-compat.c
+++ b/drivers/clk/at91/dt-compat.c
@@ -158,8 +158,9 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np)
hw = at91_clk_register_generated(regmap, &pmc_pcr_lock,
&dt_pcr_layout, name,
- parent_names, num_parents,
- id, &range, chg_pid);
+ parent_names, NULL,
+ num_parents, id, &range,
+ chg_pid);
if (IS_ERR(hw))
continue;
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index 949b1a7b91e5..2bfe1405f9f8 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -122,7 +122,7 @@ struct clk_hw * __init
at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
const struct clk_pcr_layout *layout,
const char *name, const char **parent_names,
- u8 num_parents, u8 id,
+ u32 *mux_table, u8 num_parents, u8 id,
const struct clk_range *range, int chg_pid);
struct clk_hw * __init
diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
index 58661b6f6eaa..197ffc70305a 100644
--- a/drivers/clk/at91/sam9x60.c
+++ b/drivers/clk/at91/sam9x60.c
@@ -288,7 +288,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np)
hw = at91_clk_register_generated(regmap, &pmc_pcr_lock,
&sam9x60_pcr_layout,
sam9x60_gck[i].n,
- parent_names, 6,
+ parent_names, NULL, 6,
sam9x60_gck[i].id,
&sam9x60_gck[i].r, INT_MIN);
if (IS_ERR(hw))
diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c
index 42637d9531d3..6a685d00f16d 100644
--- a/drivers/clk/at91/sama5d2.c
+++ b/drivers/clk/at91/sama5d2.c
@@ -321,7 +321,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
hw = at91_clk_register_generated(regmap, &pmc_pcr_lock,
&sama5d2_pcr_layout,
sama5d2_gck[i].n,
- parent_names, 6,
+ parent_names, NULL, 6,
sama5d2_gck[i].id,
&sama5d2_gck[i].r,
sama5d2_gck[i].chg_pid);