summaryrefslogtreecommitdiffstats
path: root/drivers/clk/at91/clk-audio-pll.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/clk/at91/clk-audio-pll.c')
-rw-r--r--drivers/clk/at91/clk-audio-pll.c148
1 files changed, 74 insertions, 74 deletions
diff --git a/drivers/clk/at91/clk-audio-pll.c b/drivers/clk/at91/clk-audio-pll.c
index 47bff32fe8..71976567ea 100644
--- a/drivers/clk/at91/clk-audio-pll.c
+++ b/drivers/clk/at91/clk-audio-pll.c
@@ -30,14 +30,14 @@
* parent - fixed parent. No clk_set_parent support
*/
-#include <common.h>
-#include <clock.h>
-#include <of.h>
-#include <linux/list.h>
#include <linux/clk.h>
+#include <linux/printk.h>
+#include <linux/clk-provider.h>
#include <linux/clk/at91_pmc.h>
+#include <of.h>
#include <mfd/syscon.h>
-#include <regmap.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
#include "pmc.h"
@@ -57,35 +57,32 @@
#define AUDIO_PLL_FOUT_MAX 700000000UL
struct clk_audio_frac {
- struct clk clk;
+ struct clk_hw hw;
struct regmap *regmap;
u32 fracr;
u8 nd;
- const char *parent_name;
};
struct clk_audio_pad {
- struct clk clk;
+ struct clk_hw hw;
struct regmap *regmap;
u8 qdaudio;
u8 div;
- const char *parent_name;
};
struct clk_audio_pmc {
- struct clk clk;
+ struct clk_hw hw;
struct regmap *regmap;
u8 qdpmc;
- const char *parent_name;
};
-#define to_clk_audio_frac(clk) container_of(clk, struct clk_audio_frac, clk)
-#define to_clk_audio_pad(clk) container_of(clk, struct clk_audio_pad, clk)
-#define to_clk_audio_pmc(clk) container_of(clk, struct clk_audio_pmc, clk)
+#define to_clk_audio_frac(hw) container_of(hw, struct clk_audio_frac, hw)
+#define to_clk_audio_pad(hw) container_of(hw, struct clk_audio_pad, hw)
+#define to_clk_audio_pmc(hw) container_of(hw, struct clk_audio_pmc, hw)
-static int clk_audio_pll_frac_enable(struct clk *clk)
+static int clk_audio_pll_frac_enable(struct clk_hw *hw)
{
- struct clk_audio_frac *frac = to_clk_audio_frac(clk);
+ struct clk_audio_frac *frac = to_clk_audio_frac(hw);
regmap_update_bits(frac->regmap, AT91_PMC_AUDIO_PLL0,
AT91_PMC_AUDIO_PLL_RESETN, 0);
@@ -108,9 +105,9 @@ static int clk_audio_pll_frac_enable(struct clk *clk)
return 0;
}
-static int clk_audio_pll_pad_enable(struct clk *clk)
+static int clk_audio_pll_pad_enable(struct clk_hw *hw)
{
- struct clk_audio_pad *apad_ck = to_clk_audio_pad(clk);
+ struct clk_audio_pad *apad_ck = to_clk_audio_pad(hw);
regmap_update_bits(apad_ck->regmap, AT91_PMC_AUDIO_PLL1,
AT91_PMC_AUDIO_PLL_QDPAD_MASK,
@@ -121,9 +118,9 @@ static int clk_audio_pll_pad_enable(struct clk *clk)
return 0;
}
-static int clk_audio_pll_pmc_enable(struct clk *clk)
+static int clk_audio_pll_pmc_enable(struct clk_hw *hw)
{
- struct clk_audio_pmc *apmc_ck = to_clk_audio_pmc(clk);
+ struct clk_audio_pmc *apmc_ck = to_clk_audio_pmc(hw);
regmap_update_bits(apmc_ck->regmap, AT91_PMC_AUDIO_PLL0,
AT91_PMC_AUDIO_PLL_PMCEN |
@@ -133,9 +130,9 @@ static int clk_audio_pll_pmc_enable(struct clk *clk)
return 0;
}
-static void clk_audio_pll_frac_disable(struct clk *clk)
+static void clk_audio_pll_frac_disable(struct clk_hw *hw)
{
- struct clk_audio_frac *frac = to_clk_audio_frac(clk);
+ struct clk_audio_frac *frac = to_clk_audio_frac(hw);
regmap_update_bits(frac->regmap, AT91_PMC_AUDIO_PLL0,
AT91_PMC_AUDIO_PLL_PLLEN, 0);
@@ -144,17 +141,17 @@ static void clk_audio_pll_frac_disable(struct clk *clk)
AT91_PMC_AUDIO_PLL_RESETN, 0);
}
-static void clk_audio_pll_pad_disable(struct clk *clk)
+static void clk_audio_pll_pad_disable(struct clk_hw *hw)
{
- struct clk_audio_pad *apad_ck = to_clk_audio_pad(clk);
+ struct clk_audio_pad *apad_ck = to_clk_audio_pad(hw);
regmap_update_bits(apad_ck->regmap, AT91_PMC_AUDIO_PLL0,
AT91_PMC_AUDIO_PLL_PADEN, 0);
}
-static void clk_audio_pll_pmc_disable(struct clk *clk)
+static void clk_audio_pll_pmc_disable(struct clk_hw *hw)
{
- struct clk_audio_pmc *apmc_ck = to_clk_audio_pmc(clk);
+ struct clk_audio_pmc *apmc_ck = to_clk_audio_pmc(hw);
regmap_update_bits(apmc_ck->regmap, AT91_PMC_AUDIO_PLL0,
AT91_PMC_AUDIO_PLL_PMCEN, 0);
@@ -174,10 +171,10 @@ static unsigned long clk_audio_pll_fout(unsigned long parent_rate,
return parent_rate * (nd + 1) + fr;
}
-static unsigned long clk_audio_pll_frac_recalc_rate(struct clk *clk,
+static unsigned long clk_audio_pll_frac_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- struct clk_audio_frac *frac = to_clk_audio_frac(clk);
+ struct clk_audio_frac *frac = to_clk_audio_frac(hw);
unsigned long fout;
fout = clk_audio_pll_fout(parent_rate, frac->nd, frac->fracr);
@@ -188,10 +185,10 @@ static unsigned long clk_audio_pll_frac_recalc_rate(struct clk *clk,
return fout;
}
-static unsigned long clk_audio_pll_pad_recalc_rate(struct clk *clk,
+static unsigned long clk_audio_pll_pad_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- struct clk_audio_pad *apad_ck = to_clk_audio_pad(clk);
+ struct clk_audio_pad *apad_ck = to_clk_audio_pad(hw);
unsigned long apad_rate = 0;
if (apad_ck->qdaudio && apad_ck->div)
@@ -203,10 +200,10 @@ static unsigned long clk_audio_pll_pad_recalc_rate(struct clk *clk,
return apad_rate;
}
-static unsigned long clk_audio_pll_pmc_recalc_rate(struct clk *clk,
+static unsigned long clk_audio_pll_pmc_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- struct clk_audio_pmc *apmc_ck = to_clk_audio_pmc(clk);
+ struct clk_audio_pmc *apmc_ck = to_clk_audio_pmc(hw);
unsigned long apmc_rate = 0;
apmc_rate = parent_rate / (apmc_ck->qdpmc + 1);
@@ -245,10 +242,10 @@ static int clk_audio_pll_frac_compute_frac(unsigned long rate,
return 0;
}
-static long clk_audio_pll_pad_round_rate(struct clk *clk, unsigned long rate,
+static long clk_audio_pll_pad_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
{
- struct clk *pclk = clk_get_parent(clk);
+ struct clk_hw *pclk = clk_hw_get_parent(hw);
long best_rate = -EINVAL;
unsigned long best_parent_rate;
unsigned long tmp_qd;
@@ -278,7 +275,7 @@ static long clk_audio_pll_pad_round_rate(struct clk *clk, unsigned long rate,
if (div == 2 && tmp_qd % 3 == 0)
continue;
- best_parent_rate = clk_round_rate(pclk,
+ best_parent_rate = clk_hw_round_rate(pclk,
rate * tmp_qd * div);
tmp_rate = best_parent_rate / (div * tmp_qd);
tmp_diff = abs(rate - tmp_rate);
@@ -296,10 +293,10 @@ static long clk_audio_pll_pad_round_rate(struct clk *clk, unsigned long rate,
return best_rate;
}
-static long clk_audio_pll_pmc_round_rate(struct clk *clk, unsigned long rate,
+static long clk_audio_pll_pmc_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
{
- struct clk *pclk = clk_get_parent(clk);
+ struct clk_hw *pclk = clk_hw_get_parent(hw);
long best_rate = -EINVAL;
unsigned long best_parent_rate = 0;
u32 tmp_qd = 0, div;
@@ -313,10 +310,10 @@ static long clk_audio_pll_pmc_round_rate(struct clk *clk, unsigned long rate,
if (!rate)
return 0;
- best_parent_rate = clk_round_rate(pclk, 1);
+ best_parent_rate = clk_round_rate(&pclk->clk, 1);
div = max(best_parent_rate / rate, 1UL);
for (; div <= AUDIO_PLL_QDPMC_MAX; div++) {
- best_parent_rate = clk_round_rate(pclk, rate * div);
+ best_parent_rate = clk_round_rate(&pclk->clk, rate * div);
tmp_rate = best_parent_rate / div;
tmp_diff = abs(rate - tmp_rate);
@@ -336,10 +333,10 @@ static long clk_audio_pll_pmc_round_rate(struct clk *clk, unsigned long rate,
return best_rate;
}
-static int clk_audio_pll_frac_set_rate(struct clk *clk, unsigned long rate,
+static int clk_audio_pll_frac_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
- struct clk_audio_frac *frac = to_clk_audio_frac(clk);
+ struct clk_audio_frac *frac = to_clk_audio_frac(hw);
unsigned long fracr, nd;
int ret;
@@ -359,10 +356,10 @@ static int clk_audio_pll_frac_set_rate(struct clk *clk, unsigned long rate,
return 0;
}
-static int clk_audio_pll_pad_set_rate(struct clk *clk, unsigned long rate,
+static int clk_audio_pll_pad_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
- struct clk_audio_pad *apad_ck = to_clk_audio_pad(clk);
+ struct clk_audio_pad *apad_ck = to_clk_audio_pad(hw);
u8 tmp_div;
pr_debug("A PLL/PAD: %s, rate = %lu (parent_rate = %lu)\n", __func__,
@@ -383,10 +380,10 @@ static int clk_audio_pll_pad_set_rate(struct clk *clk, unsigned long rate,
return 0;
}
-static int clk_audio_pll_pmc_set_rate(struct clk *clk, unsigned long rate,
+static int clk_audio_pll_pmc_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
- struct clk_audio_pmc *apmc_ck = to_clk_audio_pmc(clk);
+ struct clk_audio_pmc *apmc_ck = to_clk_audio_pmc(hw);
if (!rate)
return -EINVAL;
@@ -422,91 +419,94 @@ static const struct clk_ops audio_pll_pmc_ops = {
.set_rate = clk_audio_pll_pmc_set_rate,
};
-struct clk * __init
+struct clk_hw * __init
at91_clk_register_audio_pll_frac(struct regmap *regmap, const char *name,
const char *parent_name)
{
struct clk_audio_frac *frac_ck;
+ struct clk_init_data init = {};
int ret;
frac_ck = kzalloc(sizeof(*frac_ck), GFP_KERNEL);
if (!frac_ck)
return ERR_PTR(-ENOMEM);
- frac_ck->clk.name = name;
- frac_ck->clk.ops = &audio_pll_frac_ops;
- frac_ck->parent_name = parent_name;
- frac_ck->clk.parent_names = &frac_ck->parent_name;
- frac_ck->clk.num_parents = 1;
- /* frac_ck->clk.flags = CLK_SET_RATE_GATE; */
+ init.name = name;
+ init.ops = &audio_pll_frac_ops;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+ init.flags = CLK_SET_RATE_GATE;
+ frac_ck->hw.init = &init;
frac_ck->regmap = regmap;
- ret = clk_register(&frac_ck->clk);
+ ret = clk_hw_register(NULL, &frac_ck->hw);
if (ret) {
kfree(frac_ck);
return ERR_PTR(ret);
}
- return &frac_ck->clk;
+ return &frac_ck->hw;
}
-struct clk * __init
+struct clk_hw * __init
at91_clk_register_audio_pll_pad(struct regmap *regmap, const char *name,
const char *parent_name)
{
struct clk_audio_pad *apad_ck;
+ struct clk_init_data init;
int ret;
apad_ck = kzalloc(sizeof(*apad_ck), GFP_KERNEL);
if (!apad_ck)
return ERR_PTR(-ENOMEM);
- apad_ck->clk.name = name;
- apad_ck->clk.ops = &audio_pll_pad_ops;
- apad_ck->parent_name = parent_name;
- apad_ck->clk.parent_names = &apad_ck->parent_name;
- apad_ck->clk.num_parents = 1;
- /* apad_ck->clk.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
- CLK_SET_RATE_PARENT; */
+ init.name = name;
+ init.ops = &audio_pll_pad_ops;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+ init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
+ CLK_SET_RATE_PARENT;
+ apad_ck->hw.init = &init;
apad_ck->regmap = regmap;
- ret = clk_register(&apad_ck->clk);
+ ret = clk_hw_register(NULL, &apad_ck->hw);
if (ret) {
kfree(apad_ck);
return ERR_PTR(ret);
}
- return &apad_ck->clk;
+ return &apad_ck->hw;
}
-struct clk * __init
+struct clk_hw * __init
at91_clk_register_audio_pll_pmc(struct regmap *regmap, const char *name,
const char *parent_name)
{
struct clk_audio_pmc *apmc_ck;
+ struct clk_init_data init;
int ret;
apmc_ck = kzalloc(sizeof(*apmc_ck), GFP_KERNEL);
if (!apmc_ck)
return ERR_PTR(-ENOMEM);
- apmc_ck->clk.name = name;
- apmc_ck->clk.ops = &audio_pll_pmc_ops;
- apmc_ck->parent_name = parent_name;
- apmc_ck->clk.parent_names = &apmc_ck->parent_name;
- apmc_ck->clk.num_parents = 1;
- /* apmc_ck.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
- CLK_SET_RATE_PARENT; */
+ init.name = name;
+ init.ops = &audio_pll_pmc_ops;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+ init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
+ CLK_SET_RATE_PARENT;
+ apmc_ck->hw.init = &init;
apmc_ck->regmap = regmap;
- ret = clk_register(&apmc_ck->clk);
+ ret = clk_hw_register(NULL, &apmc_ck->hw);
if (ret) {
kfree(apmc_ck);
return ERR_PTR(ret);
}
- return &apmc_ck->clk;
+ return &apmc_ck->hw;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-25 16:46:29 +0000