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Message-ID: <1385484495-9835-1-git-send-email-pdeschrijver@nvidia.com>
Date: Tue, 26 Nov 2013 18:48:14 +0200
From: Peter De Schrijver <pdeschrijver@...dia.com>
To: Peter De Schrijver <pdeschrijver@...dia.com>
CC: Prashant Gaikwad <pgaikwad@...dia.com>,
Mike Turquette <mturquette@...aro.org>,
Stephen Warren <swarren@...dotorg.org>,
Thierry Reding <thierry.reding@...il.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] 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@...dia.com>
---
drivers/clk/tegra/clk-tegra114.c | 53 ++++++++++++++++++++-----------------
drivers/clk/tegra/clk-tegra30.c | 19 +++++++------
2 files changed, 39 insertions(+), 33 deletions(-)
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index 7661128..e390492 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 dbe7c80..147f5b9 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, \
--
1.7.7.rc0.72.g4b5ea.dirty
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