This patch add SCLK_SPDIF clock to support source clock of S/PDIF on S5PV210.
Signed-off-by: Seungwhan Youn <[email protected]> --- arch/arm/mach-s5pv210/clock.c | 62 +++++++++++++++++++++++++++++++++++------ 1 files changed, 53 insertions(+), 9 deletions(-) diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c index d562670..195a088 100644 --- a/arch/arm/mach-s5pv210/clock.c +++ b/arch/arm/mach-s5pv210/clock.c @@ -431,6 +431,12 @@ 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), }, }; @@ -660,6 +666,53 @@ 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, @@ -744,15 +797,6 @@ 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", .id = 0, -- 1.6.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
