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clk: tegra: add TEGRA_DIVIDER_ROUND_UP for periph clks

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

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
This commit is contained in:
Peter De Schrijver 2013-11-26 13:48:09 +02:00
parent fc20eeff6c
commit 252d0d2bb0
2 changed files with 39 additions and 33 deletions
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53
drivers/clk/tegra/clk-tegra114.c
View file

@ -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)

19
drivers/clk/tegra/clk-tegra30.c
View file

@ -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, \