clk: tegra: add TEGRA_DIVIDER_ROUND_UP for periph clks

Perform upwards rounding when calculating dividers for periph clks on Tegra30
and Tegra114.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>

2 files changed, 39 insertions, 33 deletions

diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index 76611289b8e6..e3904923005b 100644
--- a/drivers/clk/tegra/clk-tegra114.c
+++ b/drivers/clk/tegra/clk-tegra114.c
@@ -791,50 +791,53 @@ static unsigned long tegra114_input_freq[] = {
 #define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \
                             _clk_num, _regs, _gate_flags, _clk_id)      \
         TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parents, _offset,\
-                        30, MASK(2), 0, 0, 8, 1, 0, _regs, _clk_num,    \
-                        periph_clk_enb_refcnt, _gate_flags, _clk_id,    \
-                        _parents##_idx, 0)
+                        30, MASK(2), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, \
+                        _regs, _clk_num, periph_clk_enb_refcnt, _gate_flags,\
+                        _clk_id, _parents##_idx, 0)
 
 #define TEGRA_INIT_DATA_MUX_FLAGS(_name, _con_id, _dev_id, _parents, _offset,\
                             _clk_num, _regs, _gate_flags, _clk_id, flags)\
         TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parents, _offset,\
-                        30, MASK(2), 0, 0, 8, 1, 0, _regs, _clk_num,    \
-                        periph_clk_enb_refcnt, _gate_flags, _clk_id,    \
-                        _parents##_idx, flags)
+                        30, MASK(2), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,\
+                        _regs, _clk_num, periph_clk_enb_refcnt, _gate_flags,\
+                        _clk_id, _parents##_idx, flags)
 
 #define TEGRA_INIT_DATA_MUX8(_name, _con_id, _dev_id, _parents, _offset, \
                              _clk_num, _regs, _gate_flags, _clk_id)     \
         TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parents, _offset,\
-                        29, MASK(3), 0, 0, 8, 1, 0, _regs, _clk_num,    \
-                        periph_clk_enb_refcnt, _gate_flags, _clk_id,    \
-                        _parents##_idx, 0)
+                        29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,\
+                        _regs, _clk_num, periph_clk_enb_refcnt, _gate_flags,\
+                        _clk_id, _parents##_idx, 0)
 
 #define TEGRA_INIT_DATA_INT_FLAGS(_name, _con_id, _dev_id, _parents, _offset,\
                             _clk_num, _regs, _gate_flags, _clk_id, flags)\
         TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parents, _offset,\
-                        30, MASK(2), 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs,\
-                        _clk_num, periph_clk_enb_refcnt, _gate_flags,   \
-                        _clk_id, _parents##_idx, flags)
+                        30, MASK(2), 0, 0, 8, 1, TEGRA_DIVIDER_INT |    \
+                        TEGRA_DIVIDER_ROUND_UP, _regs, _clk_num,        \
+                        periph_clk_enb_refcnt, _gate_flags, _clk_id,    \
+                        _parents##_idx, flags)
 
 #define TEGRA_INIT_DATA_INT8(_name, _con_id, _dev_id, _parents, _offset,\
                             _clk_num, _regs, _gate_flags, _clk_id)      \
         TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parents, _offset,\
-                        29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs,\
-                        _clk_num, periph_clk_enb_refcnt, _gate_flags,   \
-                        _clk_id, _parents##_idx, 0)
+                        29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_INT |    \
+                        TEGRA_DIVIDER_ROUND_UP, _regs, _clk_num,        \
+                        periph_clk_enb_refcnt, _gate_flags, _clk_id,    \
+                        _parents##_idx, 0)
 
 #define TEGRA_INIT_DATA_UART(_name, _con_id, _dev_id, _parents, _offset,\
                              _clk_num, _regs, _clk_id)                  \
         TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parents, _offset,\
-                        30, MASK(2), 0, 0, 16, 1, TEGRA_DIVIDER_UART, _regs,\
-                        _clk_num, periph_clk_enb_refcnt, 0, _clk_id,    \
-                        _parents##_idx, 0)
+                        30, MASK(2), 0, 0, 16, 1, TEGRA_DIVIDER_UART |  \
+                        TEGRA_DIVIDER_ROUND_UP, _regs, _clk_num,        \
+                        periph_clk_enb_refcnt, 0, _clk_id, _parents##_idx, 0)
 
 #define TEGRA_INIT_DATA_I2C(_name, _con_id, _dev_id, _parents, _offset,\
                              _clk_num, _regs, _clk_id)                  \
         TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parents, _offset,\
-                        30, MASK(2), 0, 0, 16, 0, 0, _regs, _clk_num,   \
-                        periph_clk_enb_refcnt, 0, _clk_id, _parents##_idx, 0)
+                        30, MASK(2), 0, 0, 16, 0, TEGRA_DIVIDER_ROUND_UP,\
+                        _regs, _clk_num, periph_clk_enb_refcnt, 0, _clk_id,\
+                        _parents##_idx, 0)
 
 #define TEGRA_INIT_DATA_NODIV(_name, _con_id, _dev_id, _parents, _offset, \
                               _mux_shift, _mux_mask, _clk_num, _regs,   \
@@ -847,14 +850,16 @@ static unsigned long tegra114_input_freq[] = {
 #define TEGRA_INIT_DATA_XUSB(_name, _con_id, _dev_id, _parents, _offset, \
                              _clk_num, _regs, _gate_flags, _clk_id)      \
         TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, _parents, _offset, \
-                        29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs, \
-                        _clk_num, periph_clk_enb_refcnt, _gate_flags,    \
-                        _clk_id, _parents##_idx, 0)
+                        29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_INT |    \
+                        TEGRA_DIVIDER_ROUND_UP, _regs, _clk_num,        \
+                        periph_clk_enb_refcnt, _gate_flags, _clk_id,    \
+                        _parents##_idx, 0)
 
 #define TEGRA_INIT_DATA_AUDIO(_name, _con_id, _dev_id, _offset,  _clk_num,\
                                  _regs, _gate_flags, _clk_id)           \
         TEGRA_INIT_DATA_TABLE(_name, _con_id, _dev_id, mux_d_audio_clk, \
-                        _offset, 16, 0xE01F, 0, 0, 8, 1, 0, _regs, _clk_num, \
+                        _offset, 16, 0xE01F, 0, 0, 8, 1,                \
+                        TEGRA_DIVIDER_ROUND_UP, _regs, _clk_num,        \
                         periph_clk_enb_refcnt, _gate_flags , _clk_id,   \
                         mux_d_audio_clk_idx, 0)
 
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index dbe7c8003c5c..147f5b9fed11 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -282,8 +282,8 @@ static DEFINE_SPINLOCK(sysrate_lock);
 #define TEGRA_INIT_DATA_MUX(_name, _con_id, _dev_id, _parents, _offset, \
                             _clk_num, _regs, _gate_flags, _clk_id)      \
         TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset,     \
-                        30, 2, 0, 0, 8, 1, 0, _regs, _clk_num,          \
-                        periph_clk_enb_refcnt, _gate_flags, _clk_id)
+                        30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, _regs, \
+                        _clk_num, periph_clk_enb_refcnt, _gate_flags, _clk_id)
 
 #define TEGRA_INIT_DATA_DIV16(_name, _con_id, _dev_id, _parents, _offset, \
                             _clk_num, _regs, _gate_flags, _clk_id)      \
@@ -295,21 +295,22 @@ static DEFINE_SPINLOCK(sysrate_lock);
 #define TEGRA_INIT_DATA_MUX8(_name, _con_id, _dev_id, _parents, _offset, \
                              _clk_num, _regs, _gate_flags, _clk_id)     \
         TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset,     \
-                        29, 3, 0, 0, 8, 1, 0, _regs, _clk_num,          \
-                        periph_clk_enb_refcnt, _gate_flags, _clk_id)
+                        29, 3, 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, _regs,\
+                        _clk_num, periph_clk_enb_refcnt, _gate_flags, _clk_id)
 
 #define TEGRA_INIT_DATA_INT(_name, _con_id, _dev_id, _parents, _offset, \
                             _clk_num, _regs, _gate_flags, _clk_id)      \
         TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset,     \
-                        30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT, _regs,    \
-                        _clk_num, periph_clk_enb_refcnt, _gate_flags,   \
-                        _clk_id)
+                        30, 2, 0, 0, 8, 1, TEGRA_DIVIDER_INT |          \
+                        TEGRA_DIVIDER_ROUND_UP, _regs, _clk_num,        \
+                        periph_clk_enb_refcnt, _gate_flags, _clk_id)
 
 #define TEGRA_INIT_DATA_UART(_name, _con_id, _dev_id, _parents, _offset,\
                              _clk_num, _regs, _clk_id)                  \
         TEGRA_INIT_DATA(_name, _con_id, _dev_id, _parents, _offset,     \
-                        30, 2, 0, 0, 16, 1, TEGRA_DIVIDER_UART, _regs,  \
-                        _clk_num, periph_clk_enb_refcnt, 0, _clk_id)
+                        30, 2, 0, 0, 16, 1, TEGRA_DIVIDER_UART |        \
+                        TEGRA_DIVIDER_ROUND_UP, _regs, _clk_num,        \
+                        periph_clk_enb_refcnt, 0, _clk_id)
 
 #define TEGRA_INIT_DATA_NODIV(_name, _con_id, _dev_id, _parents, _offset, \
                               _mux_shift, _mux_width, _clk_num, _regs,  \