diff options
author | Kisoo Yu <ksoo.yu@samsung.com> | 2012-04-24 23:54:15 +0200 |
---|---|---|
committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-05-16 00:03:41 +0200 |
commit | 57b317f912b3f4b05c834818c73d7c8ea22642f7 (patch) | |
tree | 9963b419762b3bbe9a30544c9543edb199df5cde /arch/arm/mach-exynos/clock-exynos5.c | |
parent | ARM: EXYNOS: add GPC4 bank instance (diff) | |
download | linux-57b317f912b3f4b05c834818c73d7c8ea22642f7.tar.xz linux-57b317f912b3f4b05c834818c73d7c8ea22642f7.zip |
ARM: EXYNOS: Add pre-divider and fout mux clocks for bpll and mpll
The fout clock of BPLL and MPLL have a selectable source on EXYNOS5250.
The clock options are a fixed divided by 2 clock and the output of the
PLL itself. Add support for these new clock instances.
Signed-off-by: Kisoo Yu <ksoo.yu@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
[kgene.kim@samsung.com: moved common pll stuff into s5p-clock.c]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos/clock-exynos5.c')
-rw-r--r-- | arch/arm/mach-exynos/clock-exynos5.c | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/arch/arm/mach-exynos/clock-exynos5.c b/arch/arm/mach-exynos/clock-exynos5.c index 84ef35aceba2..5aa460b01fdf 100644 --- a/arch/arm/mach-exynos/clock-exynos5.c +++ b/arch/arm/mach-exynos/clock-exynos5.c @@ -165,11 +165,29 @@ static struct clksrc_clk exynos5_clk_sclk_apll = { .reg_div = { .reg = EXYNOS5_CLKDIV_CPU0, .shift = 24, .size = 3 }, }; +static struct clksrc_clk exynos5_clk_mout_bpll_fout = { + .clk = { + .name = "mout_bpll_fout", + }, + .sources = &clk_src_bpll_fout, + .reg_src = { .reg = EXYNOS5_PLL_DIV2_SEL, .shift = 0, .size = 1 }, +}; + +static struct clk *exynos5_clk_src_bpll_list[] = { + [0] = &clk_fin_bpll, + [1] = &exynos5_clk_mout_bpll_fout.clk, +}; + +static struct clksrc_sources exynos5_clk_src_bpll = { + .sources = exynos5_clk_src_bpll_list, + .nr_sources = ARRAY_SIZE(exynos5_clk_src_bpll_list), +}; + static struct clksrc_clk exynos5_clk_mout_bpll = { .clk = { .name = "mout_bpll", }, - .sources = &clk_src_bpll, + .sources = &exynos5_clk_src_bpll, .reg_src = { .reg = EXYNOS5_CLKSRC_CDREX, .shift = 0, .size = 1 }, }; @@ -207,11 +225,29 @@ static struct clksrc_clk exynos5_clk_mout_epll = { .reg_src = { .reg = EXYNOS5_CLKSRC_TOP2, .shift = 12, .size = 1 }, }; +static struct clksrc_clk exynos5_clk_mout_mpll_fout = { + .clk = { + .name = "mout_mpll_fout", + }, + .sources = &clk_src_mpll_fout, + .reg_src = { .reg = EXYNOS5_PLL_DIV2_SEL, .shift = 4, .size = 1 }, +}; + +static struct clk *exynos5_clk_src_mpll_list[] = { + [0] = &clk_fin_mpll, + [1] = &exynos5_clk_mout_mpll_fout.clk, +}; + +static struct clksrc_sources exynos5_clk_src_mpll = { + .sources = exynos5_clk_src_mpll_list, + .nr_sources = ARRAY_SIZE(exynos5_clk_src_mpll_list), +}; + struct clksrc_clk exynos5_clk_mout_mpll = { .clk = { .name = "mout_mpll", }, - .sources = &clk_src_mpll, + .sources = &exynos5_clk_src_mpll, .reg_src = { .reg = EXYNOS5_CLKSRC_CORE1, .shift = 8, .size = 1 }, }; @@ -1036,10 +1072,12 @@ static struct clksrc_clk *exynos5_sysclks[] = { &exynos5_clk_mout_apll, &exynos5_clk_sclk_apll, &exynos5_clk_mout_bpll, + &exynos5_clk_mout_bpll_fout, &exynos5_clk_mout_bpll_user, &exynos5_clk_mout_cpll, &exynos5_clk_mout_epll, &exynos5_clk_mout_mpll, + &exynos5_clk_mout_mpll_fout, &exynos5_clk_mout_mpll_user, &exynos5_clk_vpllsrc, &exynos5_clk_sclk_vpll, @@ -1103,7 +1141,9 @@ static struct clk *exynos5_clks[] __initdata = { &exynos5_clk_sclk_hdmi27m, &exynos5_clk_sclk_hdmiphy, &clk_fout_bpll, + &clk_fout_bpll_div2, &clk_fout_cpll, + &clk_fout_mpll_div2, &exynos5_clk_armclk, }; @@ -1268,8 +1308,10 @@ void __init_or_cpufreq exynos5_setup_clocks(void) clk_fout_apll.ops = &exynos5_fout_apll_ops; clk_fout_bpll.rate = bpll; + clk_fout_bpll_div2.rate = bpll >> 1; clk_fout_cpll.rate = cpll; clk_fout_mpll.rate = mpll; + clk_fout_mpll_div2.rate = mpll >> 1; clk_fout_epll.rate = epll; clk_fout_vpll.rate = vpll; |