ssb: Implement PMU LDO control and use it in b43

Implement the "PMU LDO set voltage" and "PMU LDO PA ref enable"
functions, and use them during LP-PHY baseband init in b43.

Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h
index d3b1d18922f2..4e27acf0a92f 100644
--- a/include/linux/ssb/ssb_driver_chipcommon.h
+++ b/include/linux/ssb/ssb_driver_chipcommon.h
@@ -629,5 +629,15 @@ extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
 /* PMU support */
 extern void ssb_pmu_init(struct ssb_chipcommon *cc);
 
+enum ssb_pmu_ldo_volt_id {
+        LDO_PAREF = 0,
+        LDO_VOLT1,
+        LDO_VOLT2,
+        LDO_VOLT3,
+};
+
+void ssb_pmu_set_ldo_voltage(struct ssb_chipcommon *cc,
+                             enum ssb_pmu_ldo_volt_id id, u32 voltage);
+void ssb_pmu_set_ldo_paref(struct ssb_chipcommon *cc, bool on);
 
 #endif /* LINUX_SSB_CHIPCO_H_ */