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path: root/drivers/clk/tegra/clk-pll.c
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Diffstat (limited to 'drivers/clk/tegra/clk-pll.c')
-rw-r--r--drivers/clk/tegra/clk-pll.c138
1 files changed, 59 insertions, 79 deletions
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 48f6bffc1cee..3aa85bf2f425 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -150,7 +150,7 @@
#define mask(w) ((1 << (w)) - 1)
#define divm_mask(p) mask(p->params->div_nmp->divm_width)
#define divn_mask(p) mask(p->params->div_nmp->divn_width)
-#define divp_mask(p) (p->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK : \
+#define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
mask(p->params->div_nmp->divp_width))
#define divm_max(p) (divm_mask(p))
@@ -170,10 +170,10 @@ static void clk_pll_enable_lock(struct tegra_clk_pll *pll)
{
u32 val;
- if (!(pll->flags & TEGRA_PLL_USE_LOCK))
+ if (!(pll->params->flags & TEGRA_PLL_USE_LOCK))
return;
- if (!(pll->flags & TEGRA_PLL_HAS_LOCK_ENABLE))
+ if (!(pll->params->flags & TEGRA_PLL_HAS_LOCK_ENABLE))
return;
val = pll_readl_misc(pll);
@@ -187,13 +187,13 @@ static int clk_pll_wait_for_lock(struct tegra_clk_pll *pll)
u32 val, lock_mask;
void __iomem *lock_addr;
- if (!(pll->flags & TEGRA_PLL_USE_LOCK)) {
+ if (!(pll->params->flags & TEGRA_PLL_USE_LOCK)) {
udelay(pll->params->lock_delay);
return 0;
}
lock_addr = pll->clk_base;
- if (pll->flags & TEGRA_PLL_LOCK_MISC)
+ if (pll->params->flags & TEGRA_PLL_LOCK_MISC)
lock_addr += pll->params->misc_reg;
else
lock_addr += pll->params->base_reg;
@@ -220,7 +220,7 @@ static int clk_pll_is_enabled(struct clk_hw *hw)
struct tegra_clk_pll *pll = to_clk_pll(hw);
u32 val;
- if (pll->flags & TEGRA_PLLM) {
+ if (pll->params->flags & TEGRA_PLLM) {
val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
if (val & PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)
return val & PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE ? 1 : 0;
@@ -239,12 +239,12 @@ static void _clk_pll_enable(struct clk_hw *hw)
clk_pll_enable_lock(pll);
val = pll_readl_base(pll);
- if (pll->flags & TEGRA_PLL_BYPASS)
+ if (pll->params->flags & TEGRA_PLL_BYPASS)
val &= ~PLL_BASE_BYPASS;
val |= PLL_BASE_ENABLE;
pll_writel_base(val, pll);
- if (pll->flags & TEGRA_PLLM) {
+ if (pll->params->flags & TEGRA_PLLM) {
val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
val |= PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
writel_relaxed(val, pll->pmc + PMC_PLLP_WB0_OVERRIDE);
@@ -257,12 +257,12 @@ static void _clk_pll_disable(struct clk_hw *hw)
u32 val;
val = pll_readl_base(pll);
- if (pll->flags & TEGRA_PLL_BYPASS)
+ if (pll->params->flags & TEGRA_PLL_BYPASS)
val &= ~PLL_BASE_BYPASS;
val &= ~PLL_BASE_ENABLE;
pll_writel_base(val, pll);
- if (pll->flags & TEGRA_PLLM) {
+ if (pll->params->flags & TEGRA_PLLM) {
val = readl_relaxed(pll->pmc + PMC_PLLP_WB0_OVERRIDE);
val &= ~PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
writel_relaxed(val, pll->pmc + PMC_PLLP_WB0_OVERRIDE);
@@ -342,7 +342,7 @@ static int _get_table_rate(struct clk_hw *hw,
struct tegra_clk_pll *pll = to_clk_pll(hw);
struct tegra_clk_pll_freq_table *sel;
- for (sel = pll->freq_table; sel->input_rate != 0; sel++)
+ for (sel = pll->params->freq_table; sel->input_rate != 0; sel++)
if (sel->input_rate == parent_rate &&
sel->output_rate == rate)
break;
@@ -432,7 +432,7 @@ static void _update_pll_mnp(struct tegra_clk_pll *pll,
struct tegra_clk_pll_params *params = pll->params;
struct div_nmp *div_nmp = params->div_nmp;
- if ((pll->flags & TEGRA_PLLM) &&
+ if ((params->flags & TEGRA_PLLM) &&
(pll_override_readl(PMC_PLLP_WB0_OVERRIDE, pll) &
PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)) {
val = pll_override_readl(params->pmc_divp_reg, pll);
@@ -468,7 +468,7 @@ static void _get_pll_mnp(struct tegra_clk_pll *pll,
struct tegra_clk_pll_params *params = pll->params;
struct div_nmp *div_nmp = params->div_nmp;
- if ((pll->flags & TEGRA_PLLM) &&
+ if ((params->flags & TEGRA_PLLM) &&
(pll_override_readl(PMC_PLLP_WB0_OVERRIDE, pll) &
PMC_PLLP_WB0_OVERRIDE_PLLM_OVERRIDE)) {
val = pll_override_readl(params->pmc_divp_reg, pll);
@@ -497,11 +497,11 @@ static void _update_pll_cpcon(struct tegra_clk_pll *pll,
val &= ~(PLL_MISC_CPCON_MASK << PLL_MISC_CPCON_SHIFT);
val |= cfg->cpcon << PLL_MISC_CPCON_SHIFT;
- if (pll->flags & TEGRA_PLL_SET_LFCON) {
+ if (pll->params->flags & TEGRA_PLL_SET_LFCON) {
val &= ~(PLL_MISC_LFCON_MASK << PLL_MISC_LFCON_SHIFT);
if (cfg->n >= PLLDU_LFCON_SET_DIVN)
val |= 1 << PLL_MISC_LFCON_SHIFT;
- } else if (pll->flags & TEGRA_PLL_SET_DCCON) {
+ } else if (pll->params->flags & TEGRA_PLL_SET_DCCON) {
val &= ~(1 << PLL_MISC_DCCON_SHIFT);
if (rate >= (pll->params->vco_max >> 1))
val |= 1 << PLL_MISC_DCCON_SHIFT;
@@ -523,7 +523,7 @@ static int _program_pll(struct clk_hw *hw, struct tegra_clk_pll_freq_table *cfg,
_update_pll_mnp(pll, cfg);
- if (pll->flags & TEGRA_PLL_HAS_CPCON)
+ if (pll->params->flags & TEGRA_PLL_HAS_CPCON)
_update_pll_cpcon(pll, cfg, rate);
if (state) {
@@ -542,11 +542,11 @@ static int clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long flags = 0;
int ret = 0;
- if (pll->flags & TEGRA_PLL_FIXED) {
- if (rate != pll->fixed_rate) {
+ if (pll->params->flags & TEGRA_PLL_FIXED) {
+ if (rate != pll->params->fixed_rate) {
pr_err("%s: Can not change %s fixed rate %lu to %lu\n",
__func__, __clk_get_name(hw->clk),
- pll->fixed_rate, rate);
+ pll->params->fixed_rate, rate);
return -EINVAL;
}
return 0;
@@ -577,11 +577,11 @@ static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
struct tegra_clk_pll *pll = to_clk_pll(hw);
struct tegra_clk_pll_freq_table cfg;
- if (pll->flags & TEGRA_PLL_FIXED)
- return pll->fixed_rate;
+ if (pll->params->flags & TEGRA_PLL_FIXED)
+ return pll->params->fixed_rate;
/* PLLM is used for memory; we do not change rate */
- if (pll->flags & TEGRA_PLLM)
+ if (pll->params->flags & TEGRA_PLLM)
return __clk_get_rate(hw->clk);
if (_get_table_rate(hw, &cfg, rate, *prate) &&
@@ -604,17 +604,19 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
val = pll_readl_base(pll);
- if ((pll->flags & TEGRA_PLL_BYPASS) && (val & PLL_BASE_BYPASS))
+ if ((pll->params->flags & TEGRA_PLL_BYPASS) && (val & PLL_BASE_BYPASS))
return parent_rate;
- if ((pll->flags & TEGRA_PLL_FIXED) && !(val & PLL_BASE_OVERRIDE)) {
+ if ((pll->params->flags & TEGRA_PLL_FIXED) &&
+ !(val & PLL_BASE_OVERRIDE)) {
struct tegra_clk_pll_freq_table sel;
- if (_get_table_rate(hw, &sel, pll->fixed_rate, parent_rate)) {
+ if (_get_table_rate(hw, &sel, pll->params->fixed_rate,
+ parent_rate)) {
pr_err("Clock %s has unknown fixed frequency\n",
__clk_get_name(hw->clk));
BUG();
}
- return pll->fixed_rate;
+ return pll->params->fixed_rate;
}
_get_pll_mnp(pll, &cfg);
@@ -682,7 +684,7 @@ static int clk_plle_enable(struct clk_hw *hw)
u32 val;
int err;
- if (_get_table_rate(hw, &sel, pll->fixed_rate, input_rate))
+ if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate))
return -EINVAL;
clk_pll_disable(hw);
@@ -698,7 +700,7 @@ static int clk_plle_enable(struct clk_hw *hw)
return err;
}
- if (pll->flags & TEGRA_PLLE_CONFIGURE) {
+ if (pll->params->flags & TEGRA_PLLE_CONFIGURE) {
/* configure dividers */
val = pll_readl_base(pll);
val &= ~(divm_mask(pll) | divn_mask(pll) | divp_mask(pll));
@@ -1233,7 +1235,7 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw)
unsigned long flags = 0;
unsigned long input_rate = clk_get_rate(clk_get_parent(hw->clk));
- if (_get_table_rate(hw, &sel, pll->fixed_rate, input_rate))
+ if (_get_table_rate(hw, &sel, pll->params->fixed_rate, input_rate))
return -EINVAL;
if (pll->lock)
@@ -1320,9 +1322,8 @@ static void clk_plle_tegra114_disable(struct clk_hw *hw)
#endif
static struct tegra_clk_pll *_tegra_init_pll(void __iomem *clk_base,
- void __iomem *pmc, unsigned long fixed_rate,
- struct tegra_clk_pll_params *pll_params, u32 pll_flags,
- struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock)
+ void __iomem *pmc, struct tegra_clk_pll_params *pll_params,
+ spinlock_t *lock)
{
struct tegra_clk_pll *pll;
@@ -1333,10 +1334,7 @@ static struct tegra_clk_pll *_tegra_init_pll(void __iomem *clk_base,
pll->clk_base = clk_base;
pll->pmc = pmc;
- pll->freq_table = freq_table;
pll->params = pll_params;
- pll->fixed_rate = fixed_rate;
- pll->flags = pll_flags;
pll->lock = lock;
if (!pll_params->div_nmp)
@@ -1365,17 +1363,15 @@ static struct clk *_tegra_clk_register_pll(struct tegra_clk_pll *pll,
struct clk *tegra_clk_register_pll(const char *name, const char *parent_name,
void __iomem *clk_base, void __iomem *pmc,
- unsigned long flags, unsigned long fixed_rate,
- struct tegra_clk_pll_params *pll_params, u32 pll_flags,
- struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock)
+ unsigned long flags, struct tegra_clk_pll_params *pll_params,
+ spinlock_t *lock)
{
struct tegra_clk_pll *pll;
struct clk *clk;
- pll_flags |= TEGRA_PLL_BYPASS;
- pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
- pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags,
- freq_table, lock);
+ pll_params->flags |= TEGRA_PLL_BYPASS;
+ pll_params->flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
+ pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
if (IS_ERR(pll))
return ERR_CAST(pll);
@@ -1389,17 +1385,15 @@ struct clk *tegra_clk_register_pll(const char *name, const char *parent_name,
struct clk *tegra_clk_register_plle(const char *name, const char *parent_name,
void __iomem *clk_base, void __iomem *pmc,
- unsigned long flags, unsigned long fixed_rate,
- struct tegra_clk_pll_params *pll_params, u32 pll_flags,
- struct tegra_clk_pll_freq_table *freq_table, spinlock_t *lock)
+ unsigned long flags, struct tegra_clk_pll_params *pll_params,
+ spinlock_t *lock)
{
struct tegra_clk_pll *pll;
struct clk *clk;
- pll_flags |= TEGRA_PLL_LOCK_MISC | TEGRA_PLL_BYPASS;
- pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
- pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags,
- freq_table, lock);
+ pll_params->flags |= TEGRA_PLL_LOCK_MISC | TEGRA_PLL_BYPASS;
+ pll_params->flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
+ pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
if (IS_ERR(pll))
return ERR_CAST(pll);
@@ -1458,10 +1452,8 @@ const struct clk_ops tegra_clk_plle_tegra114_ops = {
struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name,
void __iomem *clk_base, void __iomem *pmc,
- unsigned long flags, unsigned long fixed_rate,
+ unsigned long flags,
struct tegra_clk_pll_params *pll_params,
- u32 pll_flags,
- struct tegra_clk_pll_freq_table *freq_table,
spinlock_t *lock)
{
struct tegra_clk_pll *pll;
@@ -1498,9 +1490,8 @@ struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name,
writel_relaxed(val_iddq, clk_base + pll_params->iddq_reg);
}
- pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
- pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags,
- freq_table, lock);
+ pll_params->flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
+ pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
if (IS_ERR(pll))
return ERR_CAST(pll);
@@ -1514,22 +1505,19 @@ struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name,
struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name,
void __iomem *clk_base, void __iomem *pmc,
- unsigned long flags, unsigned long fixed_rate,
+ unsigned long flags,
struct tegra_clk_pll_params *pll_params,
- u32 pll_flags,
- struct tegra_clk_pll_freq_table *freq_table,
spinlock_t *lock, unsigned long parent_rate)
{
u32 val;
struct tegra_clk_pll *pll;
struct clk *clk;
- pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_LOCK_MISC;
+ pll_params->flags |= TEGRA_PLL_HAS_LOCK_ENABLE | TEGRA_PLL_LOCK_MISC;
pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
- pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags,
- freq_table, lock);
+ pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
if (IS_ERR(pll))
return ERR_CAST(pll);
@@ -1564,10 +1552,8 @@ struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name,
struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name,
void __iomem *clk_base, void __iomem *pmc,
- unsigned long flags, unsigned long fixed_rate,
+ unsigned long flags,
struct tegra_clk_pll_params *pll_params,
- u32 pll_flags,
- struct tegra_clk_pll_freq_table *freq_table,
spinlock_t *lock)
{
struct tegra_clk_pll *pll;
@@ -1588,11 +1574,10 @@ struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name,
pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
- pll_flags |= TEGRA_PLL_BYPASS;
- pll_flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
- pll_flags |= TEGRA_PLLM;
- pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags,
- freq_table, lock);
+ pll_params->flags |= TEGRA_PLL_BYPASS;
+ pll_params->flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
+ pll_params->flags |= TEGRA_PLLM;
+ pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
if (IS_ERR(pll))
return ERR_CAST(pll);
@@ -1606,10 +1591,8 @@ struct clk *tegra_clk_register_pllm(const char *name, const char *parent_name,
struct clk *tegra_clk_register_pllc(const char *name, const char *parent_name,
void __iomem *clk_base, void __iomem *pmc,
- unsigned long flags, unsigned long fixed_rate,
+ unsigned long flags,
struct tegra_clk_pll_params *pll_params,
- u32 pll_flags,
- struct tegra_clk_pll_freq_table *freq_table,
spinlock_t *lock)
{
struct clk *parent, *clk;
@@ -1632,9 +1615,8 @@ struct clk *tegra_clk_register_pllc(const char *name, const char *parent_name,
pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
- pll_flags |= TEGRA_PLL_BYPASS;
- pll = _tegra_init_pll(clk_base, pmc, fixed_rate, pll_params, pll_flags,
- freq_table, lock);
+ pll_params->flags |= TEGRA_PLL_BYPASS;
+ pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
if (IS_ERR(pll))
return ERR_CAST(pll);
@@ -1684,17 +1666,15 @@ struct clk *tegra_clk_register_pllc(const char *name, const char *parent_name,
struct clk *tegra_clk_register_plle_tegra114(const char *name,
const char *parent_name,
void __iomem *clk_base, unsigned long flags,
- unsigned long fixed_rate,
struct tegra_clk_pll_params *pll_params,
- struct tegra_clk_pll_freq_table *freq_table,
spinlock_t *lock)
{
struct tegra_clk_pll *pll;
struct clk *clk;
u32 val, val_aux;
- pll = _tegra_init_pll(clk_base, NULL, fixed_rate, pll_params,
- TEGRA_PLL_HAS_LOCK_ENABLE, freq_table, lock);
+ pll_params->flags |= TEGRA_PLL_HAS_LOCK_ENABLE;
+ pll = _tegra_init_pll(clk_base, NULL, pll_params, lock);
if (IS_ERR(pll))
return ERR_CAST(pll);