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-rw-r--r--drivers/clk/tegra/clk-pll.c28
-rw-r--r--drivers/clk/tegra/clk.h4
2 files changed, 32 insertions, 0 deletions
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c
index 420ca8284a1d..66da418c8528 100644
--- a/drivers/clk/tegra/clk-pll.c
+++ b/drivers/clk/tegra/clk-pll.c
@@ -1621,6 +1621,10 @@ struct clk *tegra_clk_register_pllxc(const char *name, const char *parent_name,
pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
+ if (pll_params->adjust_vco)
+ pll_params->vco_min = pll_params->adjust_vco(pll_params,
+ parent_rate);
+
err = _setup_dynamic_ramp(pll_params, clk_base, parent_rate);
if (err)
return ERR_PTR(err);
@@ -1659,6 +1663,10 @@ struct clk *tegra_clk_register_pllre(const char *name, const char *parent_name,
pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
+ if (pll_params->adjust_vco)
+ pll_params->vco_min = pll_params->adjust_vco(pll_params,
+ parent_rate);
+
pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
if (IS_ERR(pll))
return ERR_CAST(pll);
@@ -1715,6 +1723,10 @@ 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);
+ if (pll_params->adjust_vco)
+ pll_params->vco_min = pll_params->adjust_vco(pll_params,
+ parent_rate);
+
pll_params->flags |= TEGRA_PLL_BYPASS;
pll_params->flags |= TEGRA_PLLM;
pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
@@ -2121,6 +2133,10 @@ struct clk *tegra_clk_register_pllc_tegra210(const char *name,
pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
+ if (pll_params->adjust_vco)
+ pll_params->vco_min = pll_params->adjust_vco(pll_params,
+ parent_rate);
+
pll_params->flags |= TEGRA_PLL_BYPASS;
pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
if (IS_ERR(pll))
@@ -2158,6 +2174,10 @@ struct clk *tegra_clk_register_pllxc_tegra210(const char *name,
pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
+ if (pll_params->adjust_vco)
+ pll_params->vco_min = pll_params->adjust_vco(pll_params,
+ parent_rate);
+
pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
if (IS_ERR(pll))
return ERR_CAST(pll);
@@ -2205,6 +2225,10 @@ struct clk *tegra_clk_register_pllss_tegra210(const char *name,
pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
+ if (pll_params->adjust_vco)
+ pll_params->vco_min = pll_params->adjust_vco(pll_params,
+ parent_rate);
+
/* initialize PLL to minimum rate */
cfg.m = _pll_fixed_mdiv(pll_params, parent_rate);
@@ -2269,6 +2293,10 @@ struct clk *tegra_clk_register_pllmb(const char *name, const char *parent_name,
pll_params->vco_min = _clip_vco_min(pll_params->vco_min, parent_rate);
+ if (pll_params->adjust_vco)
+ pll_params->vco_min = pll_params->adjust_vco(pll_params,
+ parent_rate);
+
pll_params->flags |= TEGRA_PLL_BYPASS;
pll_params->flags |= TEGRA_PLLMB;
pll = _tegra_init_pll(clk_base, pmc, pll_params, lock);
diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index 8724dc245f68..f94b1789c333 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -202,6 +202,8 @@ struct div_nmp {
* PLL's based on fractional divider value.
* @calc_rate: Callback used to change how out of table
* rates (dividers and multipler) are calculated.
+ * @adjust_vco: Callback to adjust the programming range of the
+ * divider range (if SDM is present)
*
* Flags:
* TEGRA_PLL_USE_LOCK - This flag indicated to use lock bits for
@@ -269,6 +271,8 @@ struct tegra_clk_pll_params {
int (*calc_rate)(struct clk_hw *hw,
struct tegra_clk_pll_freq_table *cfg,
unsigned long rate, unsigned long parent_rate);
+ unsigned long (*adjust_vco)(struct tegra_clk_pll_params *pll_params,
+ unsigned long parent_rate);
};
#define TEGRA_PLL_USE_LOCK BIT(0)