diff options
author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2013-03-27 00:55:54 -0700 |
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committer | Simon Horman <horms+renesas@verge.net.au> | 2013-04-02 11:02:16 +0900 |
commit | 99fb32b88be4e9b12c44f61b613a0936a62454b7 (patch) | |
tree | 1d7f7c70746029989f3ce411a9d21d5f40da3216 /arch/arm/mach-shmobile/clock-sh7372.c | |
parent | f5942c76217e3f4c2a62a72c9d64997b8765f9e2 (diff) | |
download | op-kernel-dev-99fb32b88be4e9b12c44f61b613a0936a62454b7.zip op-kernel-dev-99fb32b88be4e9b12c44f61b613a0936a62454b7.tar.gz |
ARM: shmobile: sh7372: use fixed ratio clock
Current clock-sh7372 is using own implement
for each divX clocks.
This patch switches to use fixed ratio clock,
and was tesed on mackerel board.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile/clock-sh7372.c')
-rw-r--r-- | arch/arm/mach-shmobile/clock-sh7372.c | 44 |
1 files changed, 7 insertions, 37 deletions
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 6c23e3f..7e10593 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -21,6 +21,7 @@ #include <linux/io.h> #include <linux/sh_clk.h> #include <linux/clkdev.h> +#include <mach/clock.h> #include <mach/common.h> /* SH7372 registers */ @@ -83,39 +84,12 @@ struct clk sh7372_extal2_clk = { .rate = 48000000, }; -/* A fixed divide-by-2 block */ -static unsigned long div2_recalc(struct clk *clk) -{ - return clk->parent->rate / 2; -} - -static struct sh_clk_ops div2_clk_ops = { - .recalc = div2_recalc, -}; +SH_CLK_RATIO(div2, 1, 2); -/* Divide dv_clki by two */ -struct clk sh7372_dv_clki_div2_clk = { - .ops = &div2_clk_ops, - .parent = &sh7372_dv_clki_clk, -}; - -/* Divide extal1 by two */ -static struct clk extal1_div2_clk = { - .ops = &div2_clk_ops, - .parent = &sh7372_extal1_clk, -}; - -/* Divide extal2 by two */ -static struct clk extal2_div2_clk = { - .ops = &div2_clk_ops, - .parent = &sh7372_extal2_clk, -}; - -/* Divide extal2 by four */ -static struct clk extal2_div4_clk = { - .ops = &div2_clk_ops, - .parent = &extal2_div2_clk, -}; +SH_FIXED_RATIO_CLKg(sh7372_dv_clki_div2_clk, sh7372_dv_clki_clk, div2); +SH_FIXED_RATIO_CLK(extal1_div2_clk, sh7372_extal1_clk, div2); +SH_FIXED_RATIO_CLK(extal2_div2_clk, sh7372_extal2_clk, div2); +SH_FIXED_RATIO_CLK(extal2_div4_clk, extal2_div2_clk, div2); /* PLLC0 and PLLC1 */ static unsigned long pllc01_recalc(struct clk *clk) @@ -147,10 +121,7 @@ static struct clk pllc1_clk = { }; /* Divide PLLC1 by two */ -static struct clk pllc1_div2_clk = { - .ops = &div2_clk_ops, - .parent = &pllc1_clk, -}; +SH_FIXED_RATIO_CLK(pllc1_div2_clk, pllc1_clk, div2); /* PLLC2 */ @@ -650,5 +621,4 @@ void __init sh7372_clock_init(void) shmobile_clk_init(); else panic("failed to setup sh7372 clocks\n"); - } |