[PATCH v2 06/22] clk: at91: allow clock registration from C code

Alexandre Belloni
2018-10-16T14:24:06Z

Remove static keyword to allow functions to be used from other units. Also
move some struct and function declarations to pmc.h

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
---
drivers/clk/at91/clk-generated.c | 2 +-
drivers/clk/at91/clk-i2s-mux.c | 2 +-
drivers/clk/at91/clk-main.c | 8 +-
drivers/clk/at91/clk-master.c | 17 +---
drivers/clk/at91/clk-peripheral.c | 4 +-
drivers/clk/at91/clk-pll.c | 24 +----
drivers/clk/at91/clk-plldiv.c | 2 +-
drivers/clk/at91/clk-programmable.c | 14 +--
drivers/clk/at91/clk-slow.c | 2 +-
drivers/clk/at91/clk-smd.c | 2 +-
drivers/clk/at91/clk-system.c | 2 +-
drivers/clk/at91/clk-usb.c | 6 +-
drivers/clk/at91/clk-utmi.c | 2 +-
drivers/clk/at91/pmc.h | 142 ++++++++++++++++++++++++++++
14 files changed, 170 insertions(+), 59 deletions(-)

diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c
index 6dfee6e588c4..0fe4d7f04225 100644
--- a/drivers/clk/at91/clk-generated.c
+++ b/drivers/clk/at91/clk-generated.c
@@ -277,7 +277,7 @@ static void clk_generated_startup(struct clk_generated *gck)
>> AT91_PMC_PCR_GCKDIV_OFFSET;
}

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
const char *name, const char **parent_names,
u8 num_parents, u8 id, bool pll_audio,
diff --git a/drivers/clk/at91/clk-i2s-mux.c b/drivers/clk/at91/clk-i2s-mux.c
index f0c3c3079f04..ed9e96938589 100644
--- a/drivers/clk/at91/clk-i2s-mux.c
+++ b/drivers/clk/at91/clk-i2s-mux.c
@@ -48,7 +48,7 @@ static const struct clk_ops clk_i2s_mux_ops = {
.determine_rate = __clk_mux_determine_rate,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_i2s_mux_register(struct regmap *regmap, const char *name,
const char * const *parent_names,
unsigned int num_parents, u8 bus_id)
diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c
index c813c27f2e58..82184009137d 100644
--- a/drivers/clk/at91/clk-main.c
+++ b/drivers/clk/at91/clk-main.c
@@ -128,7 +128,7 @@ static const struct clk_ops main_osc_ops = {
.is_prepared = clk_main_osc_is_prepared,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_main_osc(struct regmap *regmap,
const char *name,
const char *parent_name,
@@ -275,7 +275,7 @@ static const struct clk_ops main_rc_osc_ops = {
.recalc_accuracy = clk_main_rc_osc_recalc_accuracy,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_main_rc_osc(struct regmap *regmap,
const char *name,
u32 frequency, u32 accuracy)
@@ -403,7 +403,7 @@ static const struct clk_ops rm9200_main_ops = {
.recalc_rate = clk_rm9200_main_recalc_rate,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_rm9200_main(struct regmap *regmap,
const char *name,
const char *parent_name)
@@ -541,7 +541,7 @@ static const struct clk_ops sam9x5_main_ops = {
.get_parent = clk_sam9x5_main_get_parent,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_sam9x5_main(struct regmap *regmap,
const char *name,
const char **parent_names,
diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
index e9cba9fc26d7..088044bb6ea2 100644
--- a/drivers/clk/at91/clk-master.c
+++ b/drivers/clk/at91/clk-master.c
@@ -24,17 +24,6 @@
#define MASTER_DIV_SHIFT 8
#define MASTER_DIV_MASK 0x3

-struct clk_master_characteristics {
- struct clk_range output;
- u32 divisors[4];
- u8 have_div3_pres;
-};
-
-struct clk_master_layout {
- u32 mask;
- u8 pres_shift;
-};
-
#define to_clk_master(hw) container_of(hw, struct clk_master, hw)

struct clk_master {
@@ -120,7 +109,7 @@ static const struct clk_ops master_ops = {
.get_parent = clk_master_get_parent,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_master(struct regmap *regmap,
const char *name, int num_parents,
const char **parent_names,
@@ -161,12 +150,12 @@ at91_clk_register_master(struct regmap *regmap,
}

-static const struct clk_master_layout at91rm9200_master_layout = {
+const struct clk_master_layout at91rm9200_master_layout = {
.mask = 0x31F,
.pres_shift = 2,
};

-static const struct clk_master_layout at91sam9x5_master_layout = {
+const struct clk_master_layout at91sam9x5_master_layout = {
.mask = 0x373,
.pres_shift = 4,
};
diff --git a/drivers/clk/at91/clk-peripheral.c b/drivers/clk/at91/clk-peripheral.c
index 770118369230..cb41d06a2481 100644
--- a/drivers/clk/at91/clk-peripheral.c
+++ b/drivers/clk/at91/clk-peripheral.c
@@ -104,7 +104,7 @@ static const struct clk_ops peripheral_ops = {
.is_enabled = clk_peripheral_is_enabled,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_peripheral(struct regmap *regmap, const char *name,
const char *parent_name, u32 id)
{
@@ -331,7 +331,7 @@ static const struct clk_ops sam9x5_peripheral_ops = {
.set_rate = clk_sam9x5_peripheral_set_rate,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock,
const char *name, const char *parent_name,
u32 id, const struct clk_range *range)
diff --git a/drivers/clk/at91/clk-pll.c b/drivers/clk/at91/clk-pll.c
index 72b6091eb7b9..31fff0b9d5c2 100644
--- a/drivers/clk/at91/clk-pll.c
+++ b/drivers/clk/at91/clk-pll.c
@@ -34,20 +34,6 @@
#define PLL_OUT_SHIFT 14
#define PLL_MAX_ID 1

-struct clk_pll_characteristics {
- struct clk_range input;
- int num_output;
- struct clk_range *output;
- u16 *icpll;
- u8 *out;
-};
-
-struct clk_pll_layout {
- u32 pllr_mask;
- u16 mul_mask;
- u8 mul_shift;
-};
-
#define to_clk_pll(hw) container_of(hw, struct clk_pll, hw)

struct clk_pll {
@@ -285,7 +271,7 @@ static const struct clk_ops pll_ops = {
.set_rate = clk_pll_set_rate,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_pll(struct regmap *regmap, const char *name,
const char *parent_name, u8 id,
const struct clk_pll_layout *layout,
@@ -331,25 +317,25 @@ at91_clk_register_pll(struct regmap *regmap, const char *name,
}

-static const struct clk_pll_layout at91rm9200_pll_layout = {
+const struct clk_pll_layout at91rm9200_pll_layout = {
.pllr_mask = 0x7FFFFFF,
.mul_shift = 16,
.mul_mask = 0x7FF,
};

-static const struct clk_pll_layout at91sam9g45_pll_layout = {
+const struct clk_pll_layout at91sam9g45_pll_layout = {
.pllr_mask = 0xFFFFFF,
.mul_shift = 16,
.mul_mask = 0xFF,
};

-static const struct clk_pll_layout at91sam9g20_pllb_layout = {
+const struct clk_pll_layout at91sam9g20_pllb_layout = {
.pllr_mask = 0x3FFFFF,
.mul_shift = 16,
.mul_mask = 0x3F,
};

-static const struct clk_pll_layout sama5d3_pll_layout = {
+const struct clk_pll_layout sama5d3_pll_layout = {
.pllr_mask = 0x1FFFFFF,
.mul_shift = 18,
.mul_mask = 0x7F,
diff --git a/drivers/clk/at91/clk-plldiv.c b/drivers/clk/at91/clk-plldiv.c
index b4afaf22f3fd..de803a2b27d3 100644
--- a/drivers/clk/at91/clk-plldiv.c
+++ b/drivers/clk/at91/clk-plldiv.c
@@ -75,7 +75,7 @@ static const struct clk_ops plldiv_ops = {
.set_rate = clk_plldiv_set_rate,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_plldiv(struct regmap *regmap, const char *name,
const char *parent_name)
{
diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c
index 0e6aab1252fc..df302bfa8259 100644
--- a/drivers/clk/at91/clk-programmable.c
+++ b/drivers/clk/at91/clk-programmable.c
@@ -25,12 +25,6 @@
#define PROG_PRES(layout, pckr) ((pckr >> layout->pres_shift) & PROG_PRES_MASK)
#define PROG_MAX_RM9200_CSS 3

-struct clk_programmable_layout {
- u8 pres_shift;
- u8 css_mask;
- u8 have_slck_mck;
-};
-
struct clk_programmable {
struct clk_hw hw;
struct regmap *regmap;
@@ -170,7 +164,7 @@ static const struct clk_ops programmable_ops = {
.set_rate = clk_programmable_set_rate,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_programmable(struct regmap *regmap,
const char *name, const char **parent_names,
u8 num_parents, u8 id,
@@ -211,19 +205,19 @@ at91_clk_register_programmable(struct regmap *regmap,
return hw;
}

-static const struct clk_programmable_layout at91rm9200_programmable_layout = {
+const struct clk_programmable_layout at91rm9200_programmable_layout = {
.pres_shift = 2,
.css_mask = 0x3,
.have_slck_mck = 0,
};

-static const struct clk_programmable_layout at91sam9g45_programmable_layout = {
+const struct clk_programmable_layout at91sam9g45_programmable_layout = {
.pres_shift = 2,
.css_mask = 0x3,
.have_slck_mck = 1,
};

-static const struct clk_programmable_layout at91sam9x5_programmable_layout = {
+const struct clk_programmable_layout at91sam9x5_programmable_layout = {
.pres_shift = 4,
.css_mask = 0x7,
.have_slck_mck = 0,
diff --git a/drivers/clk/at91/clk-slow.c b/drivers/clk/at91/clk-slow.c
index 560a8b9abf93..a890132db68f 100644
--- a/drivers/clk/at91/clk-slow.c
+++ b/drivers/clk/at91/clk-slow.c
@@ -40,7 +40,7 @@ static const struct clk_ops sam9260_slow_ops = {
.get_parent = clk_sam9260_slow_get_parent,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_sam9260_slow(struct regmap *regmap,
const char *name,
const char **parent_names,
diff --git a/drivers/clk/at91/clk-smd.c b/drivers/clk/at91/clk-smd.c
index 965c662b90a5..bbf5dc91777f 100644
--- a/drivers/clk/at91/clk-smd.c
+++ b/drivers/clk/at91/clk-smd.c
@@ -111,7 +111,7 @@ static const struct clk_ops at91sam9x5_smd_ops = {
.set_rate = at91sam9x5_clk_smd_set_rate,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name,
const char **parent_names, u8 num_parents)
{
diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c
index 86a36809765d..1ac0144a38c0 100644
--- a/drivers/clk/at91/clk-system.c
+++ b/drivers/clk/at91/clk-system.c
@@ -88,7 +88,7 @@ static const struct clk_ops system_ops = {
.is_prepared = clk_system_is_prepared,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_system(struct regmap *regmap, const char *name,
const char *parent_name, u8 id)
{
diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
index 791770a563fc..a728320877dd 100644
--- a/drivers/clk/at91/clk-usb.c
+++ b/drivers/clk/at91/clk-usb.c
@@ -192,7 +192,7 @@ static const struct clk_ops at91sam9n12_usb_ops = {
.set_rate = at91sam9x5_clk_usb_set_rate,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
const char **parent_names, u8 num_parents)
{
@@ -225,7 +225,7 @@ at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
return hw;
}

-static struct clk_hw * __init
+struct clk_hw * __init
at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name,
const char *parent_name)
{
@@ -342,7 +342,7 @@ static const struct clk_ops at91rm9200_usb_ops = {
.set_rate = at91rm9200_clk_usb_set_rate,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91rm9200_clk_register_usb(struct regmap *regmap, const char *name,
const char *parent_name, const u32 *divisors)
{
diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c
index cd8d689138ff..6c69b6ac71e1 100644
--- a/drivers/clk/at91/clk-utmi.c
+++ b/drivers/clk/at91/clk-utmi.c
@@ -125,7 +125,7 @@ static const struct clk_ops utmi_ops = {
.recalc_rate = clk_utmi_recalc_rate,
};

-static struct clk_hw * __init
+struct clk_hw * __init
at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr,
const char *name, const char *parent_name)
{
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index d22b1fa9ecdc..3dc50267a458 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -26,9 +26,151 @@ struct clk_range {

#define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,}

+struct clk_master_layout {
+ u32 mask;
+ u8 pres_shift;
+};
+
+extern const struct clk_master_layout at91rm9200_master_layout;
+extern const struct clk_master_layout at91sam9x5_master_layout;
+
+struct clk_master_characteristics {
+ struct clk_range output;
+ u32 divisors[4];
+ u8 have_div3_pres;
+};
+
+struct clk_pll_layout {
+ u32 pllr_mask;
+ u16 mul_mask;
+ u8 mul_shift;
+};
+
+extern const struct clk_pll_layout at91rm9200_pll_layout;
+extern const struct clk_pll_layout at91sam9g45_pll_layout;
+extern const struct clk_pll_layout at91sam9g20_pllb_layout;
+extern const struct clk_pll_layout sama5d3_pll_layout;
+
+struct clk_pll_characteristics {
+ struct clk_range input;
+ int num_output;
+ struct clk_range *output;
+ u16 *icpll;
+ u8 *out;
+};
+
+struct clk_programmable_layout {
+ u8 pres_shift;
+ u8 css_mask;
+ u8 have_slck_mck;
+};
+
+extern const struct clk_programmable_layout at91rm9200_programmable_layout;
+extern const struct clk_programmable_layout at91sam9g45_programmable_layout;
+extern const struct clk_programmable_layout at91sam9x5_programmable_layout;
+
int of_at91_get_clk_range(struct device_node *np, const char *propname,
struct clk_range *range);

+struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data);
+
+struct clk_hw * __init
+at91_clk_register_audio_pll_frac(struct regmap *regmap, const char *name,
+ const char *parent_name);
+
+struct clk_hw * __init
+at91_clk_register_audio_pll_pad(struct regmap *regmap, const char *name,
+ const char *parent_name);
+
+struct clk_hw * __init
+at91_clk_register_audio_pll_pmc(struct regmap *regmap, const char *name,
+ const char *parent_name);
+
+struct clk_hw * __init
+at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
+ const char *name, const char **parent_names,
+ u8 num_parents, u8 id, bool pll_audio,
+ const struct clk_range *range);
+
+struct clk_hw * __init
+at91_clk_register_h32mx(struct regmap *regmap, const char *name,
+ const char *parent_name);
+
+struct clk_hw * __init
+at91_clk_i2s_mux_register(struct regmap *regmap, const char *name,
+ const char * const *parent_names,
+ unsigned int num_parents, u8 bus_id);
+
+struct clk_hw * __init
+at91_clk_register_main_rc_osc(struct regmap *regmap, const char *name,
+ u32 frequency, u32 accuracy);
+struct clk_hw * __init
+at91_clk_register_main_osc(struct regmap *regmap, const char *name,
+ const char *parent_name, bool bypass);
+struct clk_hw * __init
+at91_clk_register_rm9200_main(struct regmap *regmap,
+ const char *name,
+ const char *parent_name);
+struct clk_hw * __init
+at91_clk_register_sam9x5_main(struct regmap *regmap, const char *name,
+ const char **parent_names, int num_parents);
+
+struct clk_hw * __init
+at91_clk_register_master(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);
+
+struct clk_hw * __init
+at91_clk_register_peripheral(struct regmap *regmap, const char *name,
+ const char *parent_name, u32 id);
+struct clk_hw * __init
+at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock,
+ const char *name, const char *parent_name,
+ u32 id, const struct clk_range *range);
+
+struct clk_hw * __init
+at91_clk_register_pll(struct regmap *regmap, const char *name,
+ const char *parent_name, u8 id,
+ const struct clk_pll_layout *layout,
+ const struct clk_pll_characteristics *characteristics);
+struct clk_hw * __init
+at91_clk_register_plldiv(struct regmap *regmap, const char *name,
+ const char *parent_name);
+
+struct clk_hw * __init
+at91_clk_register_programmable(struct regmap *regmap, const char *name,
+ const char **parent_names, u8 num_parents, u8 id,
+ const struct clk_programmable_layout *layout);
+
+struct clk_hw * __init
+at91_clk_register_sam9260_slow(struct regmap *regmap,
+ const char *name,
+ const char **parent_names,
+ int num_parents);
+
+struct clk_hw * __init
+at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name,
+ const char **parent_names, u8 num_parents);
+
+struct clk_hw * __init
+at91_clk_register_system(struct regmap *regmap, const char *name,
+ const char *parent_name, u8 id);
+
+struct clk_hw * __init
+at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
+ const char **parent_names, u8 num_parents);
+struct clk_hw * __init
+at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name,
+ const char *parent_name);
+struct clk_hw * __init
+at91rm9200_clk_register_usb(struct regmap *regmap, const char *name,
+ const char *parent_name, const u32 *divisors);
+
+struct clk_hw * __init
+at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr,
+ const char *name, const char *parent_name);
+
#ifdef CONFIG_PM
void pmc_register_id(u8 id);
void pmc_register_pck(u8 pck);
--
2.19.1