This patch adds support for TPS65218 PMIC regulators.
The regulators set consists of 6 DCDCs and 1 LDO. The output
voltages are configurable and are meant to supply power to the
main processor and other components.
Signed-off-by: Keerthy j-keer...@ti.com
---
drivers/regulator/Kconfig |9 +
drivers/regulator/Makefile |1 +
drivers/regulator/tps65218-regulator.c | 393
3 files changed, 403 insertions(+)
create mode 100644 drivers/regulator/tps65218-regulator.c
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index ce785f4..42f94eb 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -498,6 +498,15 @@ config REGULATOR_TPS65217
voltage regulators. It supports software based voltage control
for different voltage domains
+config REGULATOR_TPS65218
+ tristate TI TPS65218 Power regulators
+ depends on MFD_TPS65218
+ help
+ This driver supports TPS65218 voltage regulator chips. TPS65218
+ provides six step-down converters and one general-purpose LDO
+ voltage regulators. It supports software based voltage control
+ for different voltage domains
+
config REGULATOR_TPS6524X
tristate TI TPS6524X Power regulators
depends on SPI
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 01c597e..dfbfdf9 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -65,6 +65,7 @@ obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o
obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65090) += tps65090-regulator.o
obj-$(CONFIG_REGULATOR_TPS65217) += tps65217-regulator.o
+obj-$(CONFIG_REGULATOR_TPS65218) += tps65218-regulator.o
obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o
obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
diff --git a/drivers/regulator/tps65218-regulator.c
b/drivers/regulator/tps65218-regulator.c
new file mode 100644
index 000..4989c83
--- /dev/null
+++ b/drivers/regulator/tps65218-regulator.c
@@ -0,0 +1,393 @@
+/*
+ * tps65218-regulator.c
+ *
+ * Regulator driver for TPS65218 PMIC
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * 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 as is WITHOUT ANY WARRANTY of any
+ * kind, whether expressed or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License version 2 for more details.
+ */
+
+#include linux/kernel.h
+#include linux/module.h
+#include linux/device.h
+#include linux/init.h
+#include linux/err.h
+#include linux/platform_device.h
+#include linux/of_device.h
+#include linux/regulator/of_regulator.h
+#include linux/regulator/driver.h
+#include linux/regulator/machine.h
+#include linux/mfd/tps65218.h
+
+static unsigned int tps65218_ramp_delay = 4000;
+
+#define TPS65218_REGULATOR(_name, _id, _ops, _n, _vr, _vm, _er, _em, _t) \
+ { \
+ .name = _name,\
+ .id = _id, \
+ .ops= _ops,\
+ .n_voltages = _n, \
+ .type = REGULATOR_VOLTAGE,\
+ .owner = THIS_MODULE, \
+ .vsel_reg = _vr, \
+ .vsel_mask = _vm, \
+ .enable_reg = _er, \
+ .enable_mask= _em, \
+ .volt_table = _t, \
+ } \
+
+#define TPS65218_INFO(_id, _nm, _min, _max, _f1, _f2) \
+ { \
+ .id = _id, \
+ .name = _nm, \
+ .min_uV = _min, \
+ .max_uV = _max, \
+ .vsel_to_uv = _f1, \
+ .uv_to_vsel = _f2, \
+ }
+
+static int tps65218_ldo1_dcdc3_vsel_to_uv(unsigned int vsel)
+{
+ int uV = 0;
+
+ if (vsel = 26)
+ uV = vsel * 25000 + 90;
+ else
+ uV = (vsel - 26) * 5 + 155;
+
+ return uV;
+}
+
+static int tps65218_ldo1_dcdc3_uv_to_vsel(int uV, unsigned int *vsel)
+{
+ if (uV = 155)
+ *vsel = DIV_ROUND_UP(uV - 90, 25000);
+ else
+ *vsel = 26 + DIV_ROUND_UP(uV - 155, 5);
+
+ return 0;
+}
+
