clk: tegra: Add PLL post divider table

Some PLLs in Tegra114 don't use a power of 2 mapping for the post divider.
Introduce a table based approach and switch PLLU to it.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h
index 17ddb22f7a50..925da451bd19 100644
--- a/drivers/clk/tegra/clk.h
+++ b/drivers/clk/tegra/clk.h
@@ -117,6 +117,17 @@ struct tegra_clk_pll_freq_table {
 };
 
 /**
+ * struct pdiv_map - map post divider to hw value
+ *
+ * @pdiv:               post divider
+ * @hw_val:             value to be written to the PLL hw
+ */
+struct pdiv_map {
+        u8 pdiv;
+        u8 hw_val;
+};
+
+/**
  * struct clk_pll_params - PLL parameters
  *
  * @input_min:                  Minimum input frequency
@@ -146,6 +157,8 @@ struct tegra_clk_pll_params {
         u32             lock_bit_idx;
         u32             lock_enable_bit_idx;
         int             lock_delay;
+        int             max_p;
+        struct pdiv_map *pdiv_tohw;
 };
 
 /**