mfd: db8500 OPP and sleep handling update
This updates the operating point handling code by:
- Supporting the DDR OPP retention state.
- Supporting another low operating point named
APE_50_PARTLY_25_OPP
- Adding an interface to figure out if the sleep state change
was properly achieved.
Signed-off-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Mattias Nilsson <mattias.i.nilsson@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h
index 8470c7d..432a2d3 100644
--- a/include/linux/mfd/dbx500-prcmu.h
+++ b/include/linux/mfd/dbx500-prcmu.h
@@ -185,12 +185,14 @@
* @APE_NO_CHANGE: The APE operating point is unchanged
* @APE_100_OPP: The new APE operating point is ape100opp
* @APE_50_OPP: 50%
+ * @APE_50_PARTLY_25_OPP: 50%, except some clocks at 25%.
*/
enum ape_opp {
APE_OPP_INIT = 0x00,
APE_NO_CHANGE = 0x01,
APE_100_OPP = 0x02,
- APE_50_OPP = 0x03
+ APE_50_OPP = 0x03,
+ APE_50_PARTLY_25_OPP = 0xFF,
};
/**
@@ -271,6 +273,14 @@
keep_ap_pll);
}
+static inline u8 prcmu_get_power_state_result(void)
+{
+ if (cpu_is_u5500())
+ return -EINVAL;
+ else
+ return db8500_prcmu_get_power_state_result();
+}
+
static inline int prcmu_set_epod(u16 epod_id, u8 epod_state)
{
if (cpu_is_u5500())
@@ -663,9 +673,10 @@
/* PRCMU QoS APE OPP class */
#define PRCMU_QOS_APE_OPP 1
#define PRCMU_QOS_DDR_OPP 2
+#define PRCMU_QOS_ARM_OPP 3
#define PRCMU_QOS_DEFAULT_VALUE -1
-#ifdef CONFIG_UX500_PRCMU_QOS_POWER
+#ifdef CONFIG_DBX500_PRCMU_QOS_POWER
unsigned long prcmu_qos_get_cpufreq_opp_delay(void);
void prcmu_qos_set_cpufreq_opp_delay(unsigned long);