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authorKeerthy <j-keerthy@ti.com>2019-06-12 20:16:20 +0530
committerLee Jones <lee.jones@linaro.org>2019-06-17 08:00:24 +0100
commit7ee63bd74750a2c6fac31805ca0ac67f2522bfa5 (patch)
tree937e6ffe3d3e124abe600a8633dc5c9ebc4234c4 /drivers/regulator
parent013e868bc9465452c7b667830712ab57de236d08 (diff)
downloadlinux-7ee63bd74750a2c6fac31805ca0ac67f2522bfa5.tar.bz2
regulator: lp87565: Add 4-phase lp87561 regulator support
The LP8756x family has a single output 4-phase regulator configuration. Add support for the same. The control lies in the master buck which is buck0 for 4-phase configuration. Enable/disable/voltage set happen via buck0 registers. Data Sheet: https://www.ti.com/lit/ds/symlink/lp87561-q1.pdf Signed-off-by: Keerthy <j-keerthy@ti.com> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/lp87565-regulator.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/regulator/lp87565-regulator.c b/drivers/regulator/lp87565-regulator.c
index 81eb4b890c0c..af00d1ffcf33 100644
--- a/drivers/regulator/lp87565-regulator.c
+++ b/drivers/regulator/lp87565-regulator.c
@@ -153,6 +153,12 @@ static const struct lp87565_regulator regulators[] = {
LP87565_REG_BUCK2_CTRL_1,
LP87565_BUCK_CTRL_1_EN, 3230,
buck0_1_2_3_ranges, LP87565_REG_BUCK2_CTRL_2),
+ LP87565_REGULATOR("BUCK3210", LP87565_BUCK_3210, "buck3210",
+ lp87565_buck_ops, 256, LP87565_REG_BUCK0_VOUT,
+ LP87565_BUCK_VSET, LP87565_REG_BUCK0_CTRL_1,
+ LP87565_BUCK_CTRL_1_EN |
+ LP87565_BUCK_CTRL_1_FPWM_MP_0_2, 3230,
+ buck0_1_2_3_ranges, LP87565_REG_BUCK0_CTRL_2),
};
static int lp87565_regulator_probe(struct platform_device *pdev)
@@ -169,9 +175,18 @@ static int lp87565_regulator_probe(struct platform_device *pdev)
config.driver_data = lp87565;
config.regmap = lp87565->regmap;
- if (lp87565->dev_type == LP87565_DEVICE_TYPE_LP87565_Q1) {
+ switch (lp87565->dev_type) {
+ case LP87565_DEVICE_TYPE_LP87565_Q1:
min_idx = LP87565_BUCK_10;
max_idx = LP87565_BUCK_23;
+ break;
+ case LP87565_DEVICE_TYPE_LP87561_Q1:
+ min_idx = LP87565_BUCK_3210;
+ max_idx = LP87565_BUCK_3210;
+ default:
+ dev_err(lp87565->dev, "Invalid lp config %d\n",
+ lp87565->dev_type);
+ return -EINVAL;
}
for (i = min_idx; i <= max_idx; i++) {