From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Hohnstaedt Subject: [PATCH v2 2/2] regulator: tps65218: add support for LS2 Date: Mon, 25 Feb 2019 07:41:06 +0100 Message-ID: <1551076866-12578-3-git-send-email-Christian.Hohnstaedt@wago.com> References: <1550650552-26013-1-git-send-email-Christian.Hohnstaedt@wago.com> <1551076866-12578-1-git-send-email-Christian.Hohnstaedt@wago.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1551076866-12578-1-git-send-email-Christian.Hohnstaedt@wago.com> Sender: linux-kernel-owner@vger.kernel.org To: Mark Brown Cc: J Keerthy , Liam Girdwood , Rob Herring , Mark Rutland , Tony Lindgren , devicetree@vger.kernel.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org Re-use the "tps65218_pmic_*_current_limit()" functions of LS3 and calculate the different required bit-shift by counting the trailing 0s in "struct regulator_desc.csel_mask" Signed-off-by: Christian Hohnstaedt --- drivers/regulator/tps65218-regulator.c | 18 +++++++++++++----- include/linux/mfd/tps65218.h | 3 ++- 2 files changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c index 5dd559e..95708d3 100644 --- a/drivers/regulator/tps65218-regulator.c +++ b/drivers/regulator/tps65218-regulator.c @@ -205,7 +205,8 @@ static int tps65218_pmic_set_input_current_lim(struct regulator_dev *dev, return -EINVAL; return tps65218_set_bits(tps, dev->desc->csel_reg, dev->desc->csel_mask, - index << 2, TPS65218_PROTECT_L1); + index << __builtin_ctz(dev->desc->csel_mask), + TPS65218_PROTECT_L1); } static int tps65218_pmic_set_current_limit(struct regulator_dev *dev, @@ -224,7 +225,8 @@ static int tps65218_pmic_set_current_limit(struct regulator_dev *dev, return -EINVAL; return tps65218_set_bits(tps, dev->desc->csel_reg, dev->desc->csel_mask, - index << 2, TPS65218_PROTECT_L1); + index << __builtin_ctz(dev->desc->csel_mask), + TPS65218_PROTECT_L1); } static int tps65218_pmic_get_current_limit(struct regulator_dev *dev) @@ -237,12 +239,13 @@ static int tps65218_pmic_get_current_limit(struct regulator_dev *dev) if (retval < 0) return retval; - index = (index & dev->desc->csel_mask) >> 2; + index = (index & dev->desc->csel_mask) >> + __builtin_ctz(dev->desc->csel_mask); return ls3_currents[index]; } -static struct regulator_ops tps65218_ls3_ops = { +static struct regulator_ops tps65218_ls23_ops = { .is_enabled = regulator_is_enabled_regmap, .enable = tps65218_pmic_enable, .disable = tps65218_pmic_disable, @@ -304,8 +307,13 @@ static const struct regulator_desc regulators[] = { TPS65218_ENABLE2_LDO1_EN, 0, 0, ldo1_dcdc3_ranges, 2, 0, 0, TPS65218_REG_SEQ6, TPS65218_SEQ6_LDO1_SEQ_MASK), + TPS65218_REGULATOR("LS2", "regulator-ls2", TPS65218_LS_2, + REGULATOR_CURRENT, tps65218_ls23_ops, 0, 0, 0, + TPS65218_REG_ENABLE2, TPS65218_ENABLE2_LS2_EN, + TPS65218_REG_CONFIG2, TPS65218_CONFIG2_LS2ILIM_MASK, + NULL, 0, 0, 0, 0, 0), TPS65218_REGULATOR("LS3", "regulator-ls3", TPS65218_LS_3, - REGULATOR_CURRENT, tps65218_ls3_ops, 0, 0, 0, + REGULATOR_CURRENT, tps65218_ls23_ops, 0, 0, 0, TPS65218_REG_ENABLE2, TPS65218_ENABLE2_LS3_EN, TPS65218_REG_CONFIG2, TPS65218_CONFIG2_LS3ILIM_MASK, NULL, 0, 0, 0, 0, 0), diff --git a/include/linux/mfd/tps65218.h b/include/linux/mfd/tps65218.h index 3cbe103..b0470c3 100644 --- a/include/linux/mfd/tps65218.h +++ b/include/linux/mfd/tps65218.h @@ -212,6 +212,7 @@ enum tps65218_regulator_id { /* LDOs */ TPS65218_LDO_1, /* LS's */ + TPS65218_LS_2, TPS65218_LS_3, }; @@ -222,7 +223,7 @@ enum tps65218_regulator_id { /* Number of LDO voltage regulators available */ #define TPS65218_NUM_LDO 1 /* Number of total LS current regulators available */ -#define TPS65218_NUM_LS 1 +#define TPS65218_NUM_LS 2 /* Number of total regulators available */ #define TPS65218_NUM_REGULATOR (TPS65218_NUM_DCDC + TPS65218_NUM_LDO \ + TPS65218_NUM_LS) -- 2.7.4