regulator: ab8500: provide per-regulator shift
This encodes the voltage shifts (the number of bits to shift
the register to get to the selector) into the regulator info.
We have several new variants of the AB8500 so this varies a
lot.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index c884a5c..e3d1d06 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -37,6 +37,7 @@
* @voltage_bank: bank to control regulator voltage
* @voltage_reg: register to control regulator voltage
* @voltage_mask: mask to control regulator voltage
+ * @voltage_shift: shift to control regulator voltage
* @delay: startup/set voltage delay in us
*/
struct ab8500_regulator_info {
@@ -50,6 +51,7 @@
u8 voltage_bank;
u8 voltage_reg;
u8 voltage_mask;
+ u8 voltage_shift;
unsigned int delay;
};
@@ -195,17 +197,14 @@
}
dev_vdbg(rdev_get_dev(rdev),
- "%s-get_voltage (bank, reg, mask, value): 0x%x, 0x%x, 0x%x,"
- " 0x%x\n",
- info->desc.name, info->voltage_bank, info->voltage_reg,
- info->voltage_mask, regval);
+ "%s-get_voltage (bank, reg, mask, shift, value): "
+ "0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
+ info->desc.name, info->voltage_bank,
+ info->voltage_reg, info->voltage_mask,
+ info->voltage_shift, regval);
- /* vintcore has a different layout */
val = regval & info->voltage_mask;
- if (info->desc.id == AB8500_LDO_INTCORE)
- return val >> 0x3;
- else
- return val;
+ return val >> info->voltage_shift;
}
static int ab8500_regulator_set_voltage_sel(struct regulator_dev *rdev,
@@ -221,7 +220,7 @@
}
/* set the registers for the request */
- regval = (u8)selector;
+ regval = (u8)selector << info->voltage_shift;
ret = abx500_mask_and_set_register_interruptible(info->dev,
info->voltage_bank, info->voltage_reg,
info->voltage_mask, regval);
@@ -343,6 +342,7 @@
.voltage_bank = 0x03,
.voltage_reg = 0x80,
.voltage_mask = 0x38,
+ .voltage_shift = 3,
},
/*