[PATCH v3 3/3] ARM: mx28evk: set a initial clock rate for saif
Dong Aisheng
b29396 at freescale.com
Mon Sep 26 11:52:33 EDT 2011
Signed-off-by: Dong Aisheng <b29396 at freescale.com>
Cc: Sascha Hauer <s.hauer at pengutronix.de>
Cc: Wolfram Sang <w.sang at pengutronix.de>
Cc: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
Cc: Mark Brown <broonie at opensource.wolfsonmicro.com>
Cc: Liam Girdwood <lrg at ti.com>
---
No changes since v1.
---
arch/arm/mach-mxs/clock-mx28.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index 9497346..2daab49 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -837,6 +837,15 @@ int __init mx28_clocks_init(void)
clk_set_parent(&saif0_clk, &pll0_clk);
clk_set_parent(&saif1_clk, &pll0_clk);
+ /*
+ * Set an initial clk rate for saif's internal logic to work properly,
+ * this is especially for the saif working on EXTMASTER mode that who
+ * uses other saif's BITCLK&LRCLK but it still needs a basic clk which
+ * should be bigger enough for its internal logic.
+ */
+ clk_set_rate(&saif0_clk, 24000000);
+ clk_set_rate(&saif1_clk, 24000000);
+
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
mxs_timer_init(&clk32k_clk, MX28_INT_TIMER0);
--
1.7.0.4
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