power: pmic: add driver for Monolithic Power mp5416
This adds basic register access and child regulator binding
for the Monolithic MP5416 Power Management IC which integrates
four DC/DC switching converters and five LDO regulators.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/include/power/mp5416.h b/include/power/mp5416.h
new file mode 100644
index 0000000..dc096fe
--- /dev/null
+++ b/include/power/mp5416.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Copyright (C) 2020 Gateworks Corporation */
+
+#ifndef MP5416_H_
+#define MP5416_H_
+
+#define MP6416_REGULATOR_DRIVER "mp5416_regulator"
+
+enum {
+ MP5416_CTL0 = 0x00,
+ MP5416_CTL1 = 0x01,
+ MP5416_CTL2 = 0x02,
+ MP5416_ILIMIT = 0x03,
+ MP5416_VSET_SW1 = 0x04,
+ MP5416_VSET_SW2 = 0x05,
+ MP5416_VSET_SW3 = 0x06,
+ MP5416_VSET_SW4 = 0x07,
+ MP5416_VSET_LDO2 = 0x08,
+ MP5416_VSET_LDO3 = 0x09,
+ MP5416_VSET_LDO4 = 0x0a,
+ MP5416_VSET_LDO5 = 0x0b,
+ MP5416_STATUS1 = 0x0d,
+ MP5416_STATUS2 = 0x0e,
+ MP5416_STATUS3 = 0x0f,
+ MP5416_ID2 = 0x11,
+ MP5416_NUM_OF_REGS = 0x12,
+};
+
+#define MP5416_VSET_EN BIT(7)
+#define MP5416_VSET_SW1_GVAL(x) ((((x) & 0x7f) * 12500) + 600000)
+#define MP5416_VSET_SW2_GVAL(x) ((((x) & 0x7f) * 25000) + 800000)
+#define MP5416_VSET_SW3_GVAL(x) ((((x) & 0x7f) * 12500) + 600000)
+#define MP5416_VSET_SW4_GVAL(x) ((((x) & 0x7f) * 25000) + 800000)
+#define MP5416_VSET_LDO_GVAL(x) ((((x) & 0x7f) * 25000) + 800000)
+#define MP5416_VSET_LDO_SVAL(x) ((((x) & 0x7f) * 25000) + 800000)
+#define MP5416_VSET_SW1_SVAL(x) (((x) - 600000) / 12500)
+#define MP5416_VSET_SW2_SVAL(x) (((x) - 800000) / 25000)
+#define MP5416_VSET_SW3_SVAL(x) (((x) - 600000) / 12500)
+#define MP5416_VSET_SW4_SVAL(x) (((x) - 800000) / 25000)
+
+#endif