[ARM] OMAP2/3 clockdomains: add CM and PRM clkdms

Add clockdomains for the CM and PRM.  These will ultimately replace the
"wkup_clkdm", which appears to not actually exist on the hardware.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mach-omap2/clockdomains.h b/arch/arm/mach-omap2/clockdomains.h
index e17c3693542cec8cdeafd41a1bd79778990e3c4a..ec5a72090993d1cdbf62509741b9832035314ce2 100644 (file)
--- a/arch/arm/mach-omap2/clockdomains.h
+++ b/arch/arm/mach-omap2/clockdomains.h
@@ -14,6 +14,11 @@
 
 /*
  * OMAP2/3-common clockdomains
+ *
+ * Even though the 2420 has a single PRCM module from the
+ * interconnect's perspective, internally it does appear to have
+ * separate PRM and CM clockdomains.  The usual test case is
+ * sys_clkout/sys_clkout2.
  */
 
 /* This is an implicit clockdomain - it is never defined as such in TRM */
@@ -23,6 +28,18 @@ static struct clockdomain wkup_clkdm = {
        .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430),
 };
 
+static struct clockdomain prm_clkdm = {
+       .name           = "prm_clkdm",
+       .pwrdm          = { .name = "wkup_pwrdm" },
+       .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430),
+};
+
+static struct clockdomain cm_clkdm = {
+       .name           = "cm_clkdm",
+       .pwrdm          = { .name = "core_pwrdm" },
+       .omap_chip      = OMAP_CHIP_INIT(CHIP_IS_OMAP24XX | CHIP_IS_OMAP3430),
+};
+
 /*
  * 2420-only clockdomains
  */
@@ -266,6 +283,8 @@ static struct clkdm_pwrdm_autodep clkdm_pwrdm_autodeps[] = {
 static struct clockdomain *clockdomains_omap[] = {
 
        &wkup_clkdm,
+       &cm_clkdm,
+       &prm_clkdm,
 
 #ifdef CONFIG_ARCH_OMAP2420
        &mpu_2420_clkdm,

diff --git a/arch/arm/plat-omap/include/mach/powerdomain.h b/arch/arm/plat-omap/include/mach/powerdomain.h
index 4948cb7af5bfe4147c10106610ff3e253296c3ed..69c9e675d8ee48d2dfbf488a03068011e55e657d 100644 (file)
--- a/arch/arm/plat-omap/include/mach/powerdomain.h
+++ b/arch/arm/plat-omap/include/mach/powerdomain.h
@@ -50,9 +50,9 @@
 
 /*
  * Maximum number of clockdomains that can be associated with a powerdomain.
- * CORE powerdomain is probably the worst case.
+ * CORE powerdomain on OMAP3 is the worst case
  */
-#define PWRDM_MAX_CLKDMS       3
+#define PWRDM_MAX_CLKDMS       4
 
 /* XXX A completely arbitrary number. What is reasonable here? */
 #define PWRDM_TRANSITION_BAILOUT 100000