Merge tag 'omap-for-v3.8/cleanup-prcm-part1-take2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/headers

From Paul Walmsley <paul@pwsan.com> via Tony Lindgren:

The first set of OMAP PRM/CM-related cleanup patches for 3.8.
Prepares for the future move of the PRM/CM code to drivers/.  Also
includes some prcm.[ch] cleanup patches from the WDTIMER cleanup
series that don't need external acks.

* tag 'omap-for-v3.8/cleanup-prcm-part1-take2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: PRM: create PRM reset source API for the watchdog timer driver
  ARM: OMAP1: create read_reset_sources() function (for initial use by watchdog)
  ARM: OMAP2+: CM: prepare for use of cm_ll_data function pointers
  ARM: OMAP2+: PRM: prepare for use of prm_ll_data function pointers
  ARM: OMAP2/3: clockdomain/PRM/CM: move the low-level clockdomain functions into PRM/CM
  ARM: OMAP2+: CM/hwmod: split CM functions into OMAP2, OMAP3-specific files
  ARM: OMAP2+: powerdomain/PRM: move the low-level powerdomain functions into PRM
  ARM: OMAP2+: PRM: split PRM functions into OMAP2, OMAP3-specific files
  ARM: OMAP2+: PRM: remove PRM weak functions

1 files changed, 56 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c
index b4938ab..b2dfcd7 100644
--- a/arch/arm/mach-omap2/cm33xx.c
+++ b/arch/arm/mach-omap2/cm33xx.c
@@ -24,6 +24,7 @@
 
 #include "../plat-omap/common.h"
 
+#include "clockdomain.h"
 #include "cm.h"
 #include "cm33xx.h"
 #include "cm-regbits-34xx.h"
@@ -311,3 +312,58 @@ void am33xx_cm_module_disable(u16 inst, s16 cdoffs, u16 clkctrl_offs)
 	v &= ~AM33XX_MODULEMODE_MASK;
 	am33xx_cm_write_reg(v, inst, clkctrl_offs);
 }
+
+/*
+ * Clockdomain low-level functions
+ */
+
+static int am33xx_clkdm_sleep(struct clockdomain *clkdm)
+{
+	am33xx_cm_clkdm_force_sleep(clkdm->cm_inst, clkdm->clkdm_offs);
+	return 0;
+}
+
+static int am33xx_clkdm_wakeup(struct clockdomain *clkdm)
+{
+	am33xx_cm_clkdm_force_wakeup(clkdm->cm_inst, clkdm->clkdm_offs);
+	return 0;
+}
+
+static void am33xx_clkdm_allow_idle(struct clockdomain *clkdm)
+{
+	am33xx_cm_clkdm_enable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
+}
+
+static void am33xx_clkdm_deny_idle(struct clockdomain *clkdm)
+{
+	am33xx_cm_clkdm_disable_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
+}
+
+static int am33xx_clkdm_clk_enable(struct clockdomain *clkdm)
+{
+	if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
+		return am33xx_clkdm_wakeup(clkdm);
+
+	return 0;
+}
+
+static int am33xx_clkdm_clk_disable(struct clockdomain *clkdm)
+{
+	bool hwsup = false;
+
+	hwsup = am33xx_cm_is_clkdm_in_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
+
+	if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP))
+		am33xx_clkdm_sleep(clkdm);
+
+	return 0;
+}
+
+struct clkdm_ops am33xx_clkdm_operations = {
+	.clkdm_sleep		= am33xx_clkdm_sleep,
+	.clkdm_wakeup		= am33xx_clkdm_wakeup,
+	.clkdm_allow_idle	= am33xx_clkdm_allow_idle,
+	.clkdm_deny_idle	= am33xx_clkdm_deny_idle,
+	.clkdm_clk_enable	= am33xx_clkdm_clk_enable,
+	.clkdm_clk_disable	= am33xx_clkdm_clk_disable,
+};