Thread (21 messages) 21 messages, 5 authors, 2011-12-12
STALE5298d
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[PATCH 7/8] OMAP4: clock: Add CPU local timer clock node.

From: Santosh Shilimkar <hidden>
Date: 2011-09-08 05:22:06
Also in: linux-omap
Subsystem: arm port, omap clock framework support, omap2+ support, the rest · Maintainers: Russell King, Paul Walmsley, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds

Local timer clock is sourced from the CPU clock and hence changes
along with CPU clock. These per CPU local timers are used as
clock-events, so they need to be reconfigured on CPU frequency
change as part of CPUfreq governor.

Newly introduced clockevents_reconfigure() needs to know the
twd clock-rate. Provide a clock-node to make clk_get_rate() work
for TWD.

Signed-off-by: Santosh Shilimkar <redacted>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <redacted>
---
 arch/arm/mach-omap2/clock44xx_data.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index 2af0e3f..8c981ab 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -3091,6 +3091,14 @@ static struct clk auxclkreq5_ck = {
 	.recalc		= &omap2_clksel_recalc,
 };
 
+static struct clk smp_twd = {
+	.name		= "smp_twd",
+	.parent		= &dpll_mpu_ck,
+	.ops		= &clkops_null,
+	.fixed_div	= 2,
+	.recalc		= &omap_fixed_divisor_recalc,
+};
+
 /*
  * clkdev
  */
@@ -3363,6 +3371,7 @@ static struct omap_clk omap44xx_clks[] = {
 	CLK("usbhs-omap.0",	"usbhost_ick",		&dummy_ck,		CK_443X),
 	CLK("usbhs-omap.0",	"usbtll_fck",		&dummy_ck,	CK_443X),
 	CLK("omap_wdt",	"ick",				&dummy_ck,	CK_443X),
+	CLK(NULL,	"smp_twd",			&smp_twd,	CK_443X),
 };
 
 int __init omap4xxx_clk_init(void)
-- 
1.7.4.1
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