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ARM: S5PV310: Adds SDMMC clock for S5PV310 

This patch adds SDMMC clocks for S5PV310/S5PC210.

Signed-off-by: Jongpill Lee <boyko.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Jongpill Lee 2010-08-18 22:39:26 +09:00 committed by Kukjin Kim
parent 37e017292f
commit 340ea1ef4b
1 changed files with 141 additions and 1 deletions
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142
arch/arm/mach-s5pv310/clock.c
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@ -51,11 +51,21 @@ static int s5pv310_clksrc_mask_top_ctrl(struct clk *clk, int enable)
return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable);
}
static int s5pv310_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
}
static int s5pv310_clksrc_mask_peril0_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL0, clk, enable);
}
static int s5pv310_clk_ip_fsys_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
}
static int s5pv310_clk_ip_peril_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_PERIL, clk, enable);
@ -336,6 +346,36 @@ static struct clk init_clocks_disable[] = {
.parent = &clk_aclk_100.clk,
.enable = s5pv310_clk_ip_peril_ctrl,
.ctrlbit = (1<<24),
}, {
.name = "hsmmc",
.id = 0,
.parent = &clk_aclk_133.clk,
.enable = s5pv310_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 5),
}, {
.name = "hsmmc",
.id = 1,
.parent = &clk_aclk_133.clk,
.enable = s5pv310_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 6),
}, {
.name = "hsmmc",
.id = 2,
.parent = &clk_aclk_133.clk,
.enable = s5pv310_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 7),
}, {
.name = "hsmmc",
.id = 3,
.parent = &clk_aclk_133.clk,
.enable = s5pv310_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 8),
}, {
.name = "hsmmc",
.id = 4,
.parent = &clk_aclk_133.clk,
.enable = s5pv310_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 9),
}
};
@ -390,6 +430,56 @@ static struct clksrc_sources clkset_group = {
.nr_sources = ARRAY_SIZE(clkset_group_list),
};
static struct clksrc_clk clk_dout_mmc0 = {
.clk = {
.name = "dout_mmc0",
.id = -1,
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 0, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 0, .size = 4 },
};
static struct clksrc_clk clk_dout_mmc1 = {
.clk = {
.name = "dout_mmc1",
.id = -1,
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 4, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 16, .size = 4 },
};
static struct clksrc_clk clk_dout_mmc2 = {
.clk = {
.name = "dout_mmc2",
.id = -1,
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 8, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 0, .size = 4 },
};
static struct clksrc_clk clk_dout_mmc3 = {
.clk = {
.name = "dout_mmc3",
.id = -1,
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 12, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 16, .size = 4 },
};
static struct clksrc_clk clk_dout_mmc4 = {
.clk = {
.name = "dout_mmc4",
.id = -1,
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 16, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 0, .size = 4 },
};
static struct clksrc_clk clksrcs[] = {
{
.clk = {
@ -441,7 +531,52 @@ static struct clksrc_clk clksrcs[] = {
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 24, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL3, .shift = 0, .size = 4 },
},
}, {
.clk = {
.name = "sclk_mmc",
.id = 0,
.parent = &clk_dout_mmc0.clk,
.enable = s5pv310_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 0),
},
.reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 },
}, {
.clk = {
.name = "sclk_mmc",
.id = 1,
.parent = &clk_dout_mmc1.clk,
.enable = s5pv310_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 4),
},
.reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 },
}, {
.clk = {
.name = "sclk_mmc",
.id = 2,
.parent = &clk_dout_mmc2.clk,
.enable = s5pv310_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 8),
},
.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 },
}, {
.clk = {
.name = "sclk_mmc",
.id = 3,
.parent = &clk_dout_mmc3.clk,
.enable = s5pv310_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 12),
},
.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 },
}, {
.clk = {
.name = "sclk_mmc",
.id = 4,
.parent = &clk_dout_mmc4.clk,
.enable = s5pv310_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 16),
},
.reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 8, .size = 8 },
}
};
/* Clock initialization code */
@ -469,6 +604,11 @@ static struct clksrc_clk *sysclks[] = {
&clk_aclk_100,
&clk_aclk_160,
&clk_aclk_133,
&clk_dout_mmc0,
&clk_dout_mmc1,
&clk_dout_mmc2,
&clk_dout_mmc3,
&clk_dout_mmc4,
};
void __init_or_cpufreq s5pv310_setup_clocks(void)