diff options
author | Seungwhan Youn <sw.youn@samsung.com> | 2010-10-13 21:35:23 -0400 |
---|---|---|
committer | Kukjin Kim <kgene.kim@samsung.com> | 2010-10-25 03:05:28 -0400 |
commit | 04a4fd0ae2c58943a7435de879b9714c96a1e96a (patch) | |
tree | a66f2b5c6bb1a963ebd21c3e9d998f28aad7d77e /arch/arm/mach-s5pc100 | |
parent | 4cfd9c2530822860d745154e4e64a1c241a0a674 (diff) |
ARM: S5PC100: Add SCLK_SPDIF clock
This patch add SCLK_SPDIF clock to support source clock of S/PDIF
on S5PC100.
Signed-off-by: Seungwhan Youn <sw.youn@samsung.com>
Acked-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s5pc100')
-rw-r--r-- | arch/arm/mach-s5pc100/clock.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c index 42b7138efb1d..306ae743ad72 100644 --- a/arch/arm/mach-s5pc100/clock.c +++ b/arch/arm/mach-s5pc100/clock.c | |||
@@ -980,6 +980,64 @@ struct clksrc_sources clk_src_pwi = { | |||
980 | .nr_sources = ARRAY_SIZE(clk_src_pwi_list), | 980 | .nr_sources = ARRAY_SIZE(clk_src_pwi_list), |
981 | }; | 981 | }; |
982 | 982 | ||
983 | static struct clk *clk_sclk_spdif_list[] = { | ||
984 | [0] = &clk_sclk_audio0.clk, | ||
985 | [1] = &clk_sclk_audio1.clk, | ||
986 | [2] = &clk_sclk_audio2.clk, | ||
987 | }; | ||
988 | |||
989 | struct clksrc_sources clk_src_sclk_spdif = { | ||
990 | .sources = clk_sclk_spdif_list, | ||
991 | .nr_sources = ARRAY_SIZE(clk_sclk_spdif_list), | ||
992 | }; | ||
993 | |||
994 | static int s5pc100_spdif_set_rate(struct clk *clk, unsigned long rate) | ||
995 | { | ||
996 | struct clk *pclk; | ||
997 | int ret; | ||
998 | |||
999 | pclk = clk_get_parent(clk); | ||
1000 | if (IS_ERR(pclk)) | ||
1001 | return -EINVAL; | ||
1002 | |||
1003 | ret = pclk->ops->set_rate(pclk, rate); | ||
1004 | clk_put(pclk); | ||
1005 | |||
1006 | return ret; | ||
1007 | } | ||
1008 | |||
1009 | static unsigned long s5pc100_spdif_get_rate(struct clk *clk) | ||
1010 | { | ||
1011 | struct clk *pclk; | ||
1012 | int rate; | ||
1013 | |||
1014 | pclk = clk_get_parent(clk); | ||
1015 | if (IS_ERR(pclk)) | ||
1016 | return -EINVAL; | ||
1017 | |||
1018 | rate = pclk->ops->get_rate(clk); | ||
1019 | clk_put(pclk); | ||
1020 | |||
1021 | return rate; | ||
1022 | } | ||
1023 | |||
1024 | static struct clk_ops s5pc100_sclk_spdif_ops = { | ||
1025 | .set_rate = s5pc100_spdif_set_rate, | ||
1026 | .get_rate = s5pc100_spdif_get_rate, | ||
1027 | }; | ||
1028 | |||
1029 | static struct clksrc_clk clk_sclk_spdif = { | ||
1030 | .clk = { | ||
1031 | .name = "sclk_spdif", | ||
1032 | .id = -1, | ||
1033 | .ctrlbit = (1 << 11), | ||
1034 | .enable = s5pc100_sclk1_ctrl, | ||
1035 | .ops = &s5pc100_sclk_spdif_ops, | ||
1036 | }, | ||
1037 | .sources = &clk_src_sclk_spdif, | ||
1038 | .reg_src = { .reg = S5P_CLK_SRC3, .shift = 24, .size = 2 }, | ||
1039 | }; | ||
1040 | |||
983 | static struct clksrc_clk clksrcs[] = { | 1041 | static struct clksrc_clk clksrcs[] = { |
984 | { | 1042 | { |
985 | .clk = { | 1043 | .clk = { |
@@ -1185,6 +1243,7 @@ static struct clksrc_clk *sysclks[] = { | |||
1185 | &clk_sclk_audio0, | 1243 | &clk_sclk_audio0, |
1186 | &clk_sclk_audio1, | 1244 | &clk_sclk_audio1, |
1187 | &clk_sclk_audio2, | 1245 | &clk_sclk_audio2, |
1246 | &clk_sclk_spdif, | ||
1188 | }; | 1247 | }; |
1189 | 1248 | ||
1190 | void __init_or_cpufreq s5pc100_setup_clocks(void) | 1249 | void __init_or_cpufreq s5pc100_setup_clocks(void) |