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authorOlof Johansson <olof@lixom.net>2011-12-15 21:59:39 -0800
committerOlof Johansson <olof@lixom.net>2011-12-15 21:59:39 -0800
commitf68453e076dcf140c4a7bdd385f239b1e41be983 (patch)
tree47312e2c7e95aa96fb0612b6e26f6b2901e88fa6
parent2da994e687f7991cc76e3270c423bf6500b9424a (diff)
parent99b2034c68523380599a451f5e753c6ea345fc79 (diff)
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Merge branch 'davinci/features' into next/devel
* davinci/features: ARM: davinci: add support for multiple power domains
-rw-r--r--arch/arm/mach-davinci/clock.c13
-rw-r--r--arch/arm/mach-davinci/clock.h10
-rw-r--r--arch/arm/mach-davinci/dm644x.c4
3 files changed, 10 insertions, 17 deletions
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 00861139101d..008772e3b843 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -31,19 +31,12 @@ static LIST_HEAD(clocks);
static DEFINE_MUTEX(clocks_mutex);
static DEFINE_SPINLOCK(clockfw_lock);
-static unsigned psc_domain(struct clk *clk)
-{
- return (clk->flags & PSC_DSP)
- ? DAVINCI_GPSC_DSPDOMAIN
- : DAVINCI_GPSC_ARMDOMAIN;
-}
-
static void __clk_enable(struct clk *clk)
{
if (clk->parent)
__clk_enable(clk->parent);
if (clk->usecount++ == 0 && (clk->flags & CLK_PSC))
- davinci_psc_config(psc_domain(clk), clk->gpsc, clk->lpsc,
+ davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc,
true, clk->flags);
}
@@ -53,7 +46,7 @@ static void __clk_disable(struct clk *clk)
return;
if (--clk->usecount == 0 && !(clk->flags & CLK_PLL) &&
(clk->flags & CLK_PSC))
- davinci_psc_config(psc_domain(clk), clk->gpsc, clk->lpsc,
+ davinci_psc_config(clk->domain, clk->gpsc, clk->lpsc,
false, clk->flags);
if (clk->parent)
__clk_disable(clk->parent);
@@ -237,7 +230,7 @@ static int __init clk_disable_unused(void)
pr_debug("Clocks: disable unused %s\n", ck->name);
- davinci_psc_config(psc_domain(ck), ck->gpsc, ck->lpsc,
+ davinci_psc_config(ck->domain, ck->gpsc, ck->lpsc,
false, ck->flags);
}
spin_unlock_irq(&clockfw_lock);
diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h
index a705f367a84d..46f0f1bf1a4c 100644
--- a/arch/arm/mach-davinci/clock.h
+++ b/arch/arm/mach-davinci/clock.h
@@ -93,6 +93,7 @@ struct clk {
u8 usecount;
u8 lpsc;
u8 gpsc;
+ u8 domain;
u32 flags;
struct clk *parent;
struct list_head children; /* list of children */
@@ -107,11 +108,10 @@ struct clk {
/* Clock flags: SoC-specific flags start at BIT(16) */
#define ALWAYS_ENABLED BIT(1)
#define CLK_PSC BIT(2)
-#define PSC_DSP BIT(3) /* PSC uses DSP domain, not ARM */
-#define CLK_PLL BIT(4) /* PLL-derived clock */
-#define PRE_PLL BIT(5) /* source is before PLL mult/div */
-#define PSC_SWRSTDISABLE BIT(6) /* Disable state is SwRstDisable */
-#define PSC_FORCE BIT(7) /* Force module state transtition */
+#define CLK_PLL BIT(3) /* PLL-derived clock */
+#define PRE_PLL BIT(4) /* source is before PLL mult/div */
+#define PSC_SWRSTDISABLE BIT(5) /* Disable state is SwRstDisable */
+#define PSC_FORCE BIT(6) /* Force module state transtition */
#define CLK(dev, con, ck) \
{ \
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 3470983aa343..b95097dbdfed 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -130,7 +130,7 @@ static struct clk dsp_clk = {
.name = "dsp",
.parent = &pll1_sysclk1,
.lpsc = DAVINCI_LPSC_GEM,
- .flags = PSC_DSP,
+ .domain = DAVINCI_GPSC_DSPDOMAIN,
.usecount = 1, /* REVISIT how to disable? */
};
@@ -145,7 +145,7 @@ static struct clk vicp_clk = {
.name = "vicp",
.parent = &pll1_sysclk2,
.lpsc = DAVINCI_LPSC_IMCOP,
- .flags = PSC_DSP,
+ .domain = DAVINCI_GPSC_DSPDOMAIN,
.usecount = 1, /* REVISIT how to disable? */
};