From aa21ae3d87ce355f68c0b1cbc7a45ee03d423232 Mon Sep 17 00:00:00 2001 From: Seungwhan Youn Date: Thu, 14 Oct 2010 10:35:24 +0900 Subject: ARM: S5PV210: Add SCLK_SPDIF clock This patch add SCLK_SPDIF clock to support source clock of S/PDIF on S5PV210. Signed-off-by: Seungwhan Youn Acked-by: Jassi Brar Acked-by: Mark Brown Signed-off-by: Kukjin Kim --- arch/arm/mach-s5pv210/clock.c | 62 ++++++++++++++++++++++++++++++++++++------- 1 file changed, 53 insertions(+), 9 deletions(-) (limited to 'arch/arm/mach-s5pv210') diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c index 1b0112006513..106993ef6d97 100644 --- a/arch/arm/mach-s5pv210/clock.c +++ b/arch/arm/mach-s5pv210/clock.c @@ -472,6 +472,12 @@ static struct clk init_clocks_disable[] = { .parent = &clk_p, .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1 << 6), + }, { + .name = "spdif", + .id = -1, + .parent = &clk_p, + .enable = s5pv210_clk_ip3_ctrl, + .ctrlbit = (1 << 0), }, }; @@ -701,6 +707,53 @@ static struct clksrc_sources clkset_sclk_spdif = { .nr_sources = ARRAY_SIZE(clkset_sclk_spdif_list), }; +static int s5pv210_spdif_set_rate(struct clk *clk, unsigned long rate) +{ + struct clk *pclk; + int ret; + + pclk = clk_get_parent(clk); + if (IS_ERR(pclk)) + return -EINVAL; + + ret = pclk->ops->set_rate(pclk, rate); + clk_put(pclk); + + return ret; +} + +static unsigned long s5pv210_spdif_get_rate(struct clk *clk) +{ + struct clk *pclk; + int rate; + + pclk = clk_get_parent(clk); + if (IS_ERR(pclk)) + return -EINVAL; + + rate = pclk->ops->get_rate(clk); + clk_put(pclk); + + return rate; +} + +static struct clk_ops s5pv210_sclk_spdif_ops = { + .set_rate = s5pv210_spdif_set_rate, + .get_rate = s5pv210_spdif_get_rate, +}; + +static struct clksrc_clk clk_sclk_spdif = { + .clk = { + .name = "sclk_spdif", + .id = -1, + .enable = s5pv210_clk_mask0_ctrl, + .ctrlbit = (1 << 27), + .ops = &s5pv210_sclk_spdif_ops, + }, + .sources = &clkset_sclk_spdif, + .reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 }, +}; + static struct clk *clkset_group2_list[] = { [0] = &clk_ext_xtal_mux, [1] = &clk_xusbxti, @@ -784,15 +837,6 @@ static struct clksrc_clk clksrcs[] = { }, .sources = &clkset_sclk_mixer, .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 1 }, - }, { - .clk = { - .name = "sclk_spdif", - .id = -1, - .enable = s5pv210_clk_mask0_ctrl, - .ctrlbit = (1 << 27), - }, - .sources = &clkset_sclk_spdif, - .reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 }, }, { .clk = { .name = "sclk_fimc", -- cgit v1.2.3