--- /dev/null
+/*
+ * Copyright (C) 2015 Lothar Waßmann <LW@KARO-electronics.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#define RN5T567_NOETIMSET 0x11
+#define RN5T567_LDORTC1_SLOT 0x2a
+#define RN5T567_DC1CTL 0x2c
+#define RN5T567_DC1CTL2 0x2d
+#define RN5T567_DC2CTL 0x2e
+#define RN5T567_DC2CTL2 0x2f
+#define RN5T567_DC3CTL 0x30
+#define RN5T567_DC3CTL2 0x31
+#define RN5T567_DC1DAC 0x36
+#define RN5T567_DC2DAC 0x37
+#define RN5T567_DC3DAC 0x38
+#define RN5T567_DC4DAC 0x39
+#define RN5T567_DC1DAC_SLP 0x3b
+#define RN5T567_DC2DAC_SLP 0x3c
+#define RN5T567_DC3DAC_SLP 0x3d
+#define RN5T567_DC4DAC_SLP 0x3e
+#define RN5T567_LDOEN1 0x44
+#define RN5T567_LDOEN2 0x45
+#define RN5T567_LDODIS 0x46
+#define RN5T567_LDO1DAC 0x4c
+#define RN5T567_LDO2DAC 0x4d
+#define RN5T567_LDO3DAC 0x4e
+#define RN5T567_LDO4DAC 0x4f
+#define RN5T567_LDO5DAC 0x50
+#define RN5T567_LDORTC1DAC 0x56 /* VBACKUP */
+
+#define NOETIMSET_DIS_OFF_NOE_TIM (1 << 3)
+
+#define DC2_DC2EN (1 << 0)
+#define DC2_DC2DIS (1 << 1)
+
+/* calculate voltages in 10mV */
+#define rn5t_v2r(v,n,m) DIV_ROUND(((((v) < (n)) ? (n) : (v)) - (n)), (m))
+#define rn5t_r2v(r,n,m) (((r) * (m) + (n)) / 10)
+
+/* DCDC1-4 */
+#define rn5t_mV_to_regval(mV) rn5t_v2r((mV) * 10, 6000, 125)
+#define rn5t_regval_to_mV(r) rn5t_r2v(r, 6000, 125)
+
+/* LDO1-2, 4-5 */
+#define rn5t_mV_to_regval2(mV) rn5t_v2r((mV) * 10, 9000, 250)
+#define rn5t_regval2_to_mV(r) rn5t_r2v(r, 9000, 250)
+
+/* LDO3 */
+#define rn5t_mV_to_regval3(mV) rn5t_v2r((mV) * 10, 6000, 250)
+#define rn5t_regval3_to_mV(r) rn5t_r2v(r, 6000, 250)
+
+/* LDORTC */
+#define rn5t_mV_to_regval_rtc(mV) rn5t_v2r((mV) * 10, 17000, 250)
+#define rn5t_regval_rtc_to_mV(r) rn5t_r2v(r, 17000, 250)