From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp

---
 kernel/drivers/regulator/as3722-regulator.c |  309 +++++++++++++++------------------------------------
 1 files changed, 90 insertions(+), 219 deletions(-)

diff --git a/kernel/drivers/regulator/as3722-regulator.c b/kernel/drivers/regulator/as3722-regulator.c
index 66337e1..33ca197 100644
--- a/kernel/drivers/regulator/as3722-regulator.c
+++ b/kernel/drivers/regulator/as3722-regulator.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Voltage regulator support for AMS AS3722 PMIC
  *
@@ -5,21 +6,6 @@
  *
  * Author: Florian Lobmaier <florian.lobmaier@ams.com>
  * Author: Laxman Dewangan <ldewangan@nvidia.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
  */
 
 #include <linux/err.h>
@@ -81,7 +67,6 @@
 struct as3722_regulators {
 	struct device *dev;
 	struct as3722 *as3722;
-	struct regulator_dev *rdevs[AS3722_REGULATOR_ID_MAX];
 	struct regulator_desc desc[AS3722_REGULATOR_ID_MAX];
 	struct as3722_regulator_config_data
 			reg_config_data[AS3722_REGULATOR_ID_MAX];
@@ -314,63 +299,10 @@
 	},
 };
 
-
-static const int as3722_ldo_current[] = { 150000, 300000 };
-static const int as3722_sd016_current[] = { 2500000, 3000000, 3500000 };
-
-static int as3722_current_to_index(int min_uA, int max_uA,
-		const int *curr_table, int n_currents)
-{
-	int i;
-
-	for (i = n_currents - 1; i >= 0; i--) {
-		if ((min_uA <= curr_table[i]) && (curr_table[i] <= max_uA))
-			return i;
-	}
-	return -EINVAL;
-}
-
-static int as3722_ldo_get_current_limit(struct regulator_dev *rdev)
-{
-	struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev);
-	struct as3722 *as3722 = as3722_regs->as3722;
-	int id = rdev_get_id(rdev);
-	u32 val;
-	int ret;
-
-	ret = as3722_read(as3722, as3722_reg_lookup[id].vsel_reg, &val);
-	if (ret < 0) {
-		dev_err(as3722_regs->dev, "Reg 0x%02x read failed: %d\n",
-			as3722_reg_lookup[id].vsel_reg, ret);
-		return ret;
-	}
-	if (val & AS3722_LDO_ILIMIT_MASK)
-		return 300000;
-	return 150000;
-}
-
-static int as3722_ldo_set_current_limit(struct regulator_dev *rdev,
-		int min_uA, int max_uA)
-{
-	struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev);
-	struct as3722 *as3722 = as3722_regs->as3722;
-	int id = rdev_get_id(rdev);
-	int ret;
-	u32 reg = 0;
-
-	ret = as3722_current_to_index(min_uA, max_uA, as3722_ldo_current,
-				ARRAY_SIZE(as3722_ldo_current));
-	if (ret < 0) {
-		dev_err(as3722_regs->dev,
-			"Current range min:max = %d:%d does not support\n",
-			min_uA, max_uA);
-		return ret;
-	}
-	if (ret)
-		reg = AS3722_LDO_ILIMIT_BIT;
-	return as3722_update_bits(as3722, as3722_reg_lookup[id].vsel_reg,
-			AS3722_LDO_ILIMIT_MASK, reg);
-}
+static const unsigned int as3722_ldo_current[] = { 150000, 300000 };
+static const unsigned int as3722_sd016_current[] = {
+	2500000, 3000000, 3500000
+};
 
 static const struct regulator_ops as3722_ldo0_ops = {
 	.is_enabled = regulator_is_enabled_regmap,
@@ -379,16 +311,16 @@
 	.list_voltage = regulator_list_voltage_linear,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
-	.get_current_limit = as3722_ldo_get_current_limit,
-	.set_current_limit = as3722_ldo_set_current_limit,
+	.get_current_limit = regulator_get_current_limit_regmap,
+	.set_current_limit = regulator_set_current_limit_regmap,
 };
 
 static const struct regulator_ops as3722_ldo0_extcntrl_ops = {
 	.list_voltage = regulator_list_voltage_linear,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
-	.get_current_limit = as3722_ldo_get_current_limit,
-	.set_current_limit = as3722_ldo_set_current_limit,
+	.get_current_limit = regulator_get_current_limit_regmap,
+	.set_current_limit = regulator_set_current_limit_regmap,
 };
 
 static int as3722_ldo3_set_tracking_mode(struct as3722_regulators *as3722_reg,
@@ -440,8 +372,8 @@
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.list_voltage = regulator_list_voltage_linear_range,
-	.get_current_limit = as3722_ldo_get_current_limit,
-	.set_current_limit = as3722_ldo_set_current_limit,
+	.get_current_limit = regulator_get_current_limit_regmap,
+	.set_current_limit = regulator_set_current_limit_regmap,
 	.get_bypass = regulator_get_bypass_regmap,
 	.set_bypass = regulator_set_bypass_regmap,
 };
@@ -451,13 +383,13 @@
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.list_voltage = regulator_list_voltage_linear_range,
-	.get_current_limit = as3722_ldo_get_current_limit,
-	.set_current_limit = as3722_ldo_set_current_limit,
+	.get_current_limit = regulator_get_current_limit_regmap,
+	.set_current_limit = regulator_set_current_limit_regmap,
 	.get_bypass = regulator_get_bypass_regmap,
 	.set_bypass = regulator_set_bypass_regmap,
 };
 
-static const struct regulator_linear_range as3722_ldo_ranges[] = {
+static const struct linear_range as3722_ldo_ranges[] = {
 	REGULATOR_LINEAR_RANGE(0, 0x00, 0x00, 0),
 	REGULATOR_LINEAR_RANGE(825000, 0x01, 0x24, 25000),
 	REGULATOR_LINEAR_RANGE(1725000, 0x40, 0x7F, 25000),
@@ -471,8 +403,8 @@
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.list_voltage = regulator_list_voltage_linear_range,
-	.get_current_limit = as3722_ldo_get_current_limit,
-	.set_current_limit = as3722_ldo_set_current_limit,
+	.get_current_limit = regulator_get_current_limit_regmap,
+	.set_current_limit = regulator_set_current_limit_regmap,
 };
 
 static const struct regulator_ops as3722_ldo_extcntrl_ops = {
@@ -480,8 +412,8 @@
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.list_voltage = regulator_list_voltage_linear_range,
-	.get_current_limit = as3722_ldo_get_current_limit,
-	.set_current_limit = as3722_ldo_set_current_limit,
+	.get_current_limit = regulator_get_current_limit_regmap,
+	.set_current_limit = regulator_set_current_limit_regmap,
 };
 
 static unsigned int as3722_sd_get_mode(struct regulator_dev *rdev)
@@ -539,85 +471,6 @@
 	return ret;
 }
 
-static int as3722_sd016_get_current_limit(struct regulator_dev *rdev)
-{
-	struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev);
-	struct as3722 *as3722 = as3722_regs->as3722;
-	int id = rdev_get_id(rdev);
-	u32 val, reg;
-	int mask;
-	int ret;
-
-	switch (id) {
-	case AS3722_REGULATOR_ID_SD0:
-		reg = AS3722_OVCURRENT_REG;
-		mask = AS3722_OVCURRENT_SD0_TRIP_MASK;
-		break;
-	case AS3722_REGULATOR_ID_SD1:
-		reg = AS3722_OVCURRENT_REG;
-		mask = AS3722_OVCURRENT_SD1_TRIP_MASK;
-		break;
-	case AS3722_REGULATOR_ID_SD6:
-		reg = AS3722_OVCURRENT_DEB_REG;
-		mask = AS3722_OVCURRENT_SD6_TRIP_MASK;
-		break;
-	default:
-		return -EINVAL;
-	}
-	ret = as3722_read(as3722, reg, &val);
-	if (ret < 0) {
-		dev_err(as3722_regs->dev, "Reg 0x%02x read failed: %d\n",
-			reg, ret);
-		return ret;
-	}
-	val &= mask;
-	val >>= ffs(mask) - 1;
-	if (val == 3)
-		return -EINVAL;
-	return as3722_sd016_current[val];
-}
-
-static int as3722_sd016_set_current_limit(struct regulator_dev *rdev,
-		int min_uA, int max_uA)
-{
-	struct as3722_regulators *as3722_regs = rdev_get_drvdata(rdev);
-	struct as3722 *as3722 = as3722_regs->as3722;
-	int id = rdev_get_id(rdev);
-	int ret;
-	int val;
-	int mask;
-	u32 reg;
-
-	ret = as3722_current_to_index(min_uA, max_uA, as3722_sd016_current,
-				ARRAY_SIZE(as3722_sd016_current));
-	if (ret < 0) {
-		dev_err(as3722_regs->dev,
-			"Current range min:max = %d:%d does not support\n",
-			min_uA, max_uA);
-		return ret;
-	}
-
-	switch (id) {
-	case AS3722_REGULATOR_ID_SD0:
-		reg = AS3722_OVCURRENT_REG;
-		mask = AS3722_OVCURRENT_SD0_TRIP_MASK;
-		break;
-	case AS3722_REGULATOR_ID_SD1:
-		reg = AS3722_OVCURRENT_REG;
-		mask = AS3722_OVCURRENT_SD1_TRIP_MASK;
-		break;
-	case AS3722_REGULATOR_ID_SD6:
-		reg = AS3722_OVCURRENT_DEB_REG;
-		mask = AS3722_OVCURRENT_SD6_TRIP_MASK;
-		break;
-	default:
-		return -EINVAL;
-	}
-	ret <<= ffs(mask) - 1;
-	val = ret & mask;
-	return as3722_update_bits(as3722, reg, mask, val);
-}
-
 static bool as3722_sd0_is_low_voltage(struct as3722_regulators *as3722_regs)
 {
 	int err;
@@ -634,7 +487,7 @@
 	return false;
 }
 
-static const struct regulator_linear_range as3722_sd2345_ranges[] = {
+static const struct linear_range as3722_sd2345_ranges[] = {
 	REGULATOR_LINEAR_RANGE(0, 0x00, 0x00, 0),
 	REGULATOR_LINEAR_RANGE(612500, 0x01, 0x40, 12500),
 	REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000),
@@ -649,8 +502,8 @@
 	.map_voltage = regulator_map_voltage_linear,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
-	.get_current_limit = as3722_sd016_get_current_limit,
-	.set_current_limit = as3722_sd016_set_current_limit,
+	.get_current_limit = regulator_get_current_limit_regmap,
+	.set_current_limit = regulator_set_current_limit_regmap,
 	.get_mode = as3722_sd_get_mode,
 	.set_mode = as3722_sd_set_mode,
 };
@@ -660,8 +513,8 @@
 	.map_voltage = regulator_map_voltage_linear,
 	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.set_voltage_sel = regulator_set_voltage_sel_regmap,
-	.get_current_limit = as3722_sd016_get_current_limit,
-	.set_current_limit = as3722_sd016_set_current_limit,
+	.get_current_limit = regulator_get_current_limit_regmap,
+	.set_current_limit = regulator_set_current_limit_regmap,
 	.get_mode = as3722_sd_get_mode,
 	.set_mode = as3722_sd_set_mode,
 };
@@ -807,42 +660,45 @@
 	config.regmap = as3722->regmap;
 
 	for (id = 0; id < AS3722_REGULATOR_ID_MAX; id++) {
+		struct regulator_desc *desc;
+
+		desc = &as3722_regs->desc[id];
 		reg_config = &as3722_regs->reg_config_data[id];
 
-		as3722_regs->desc[id].name = as3722_reg_lookup[id].name;
-		as3722_regs->desc[id].supply_name = as3722_reg_lookup[id].sname;
-		as3722_regs->desc[id].id = as3722_reg_lookup[id].regulator_id;
-		as3722_regs->desc[id].n_voltages =
-					as3722_reg_lookup[id].n_voltages;
-		as3722_regs->desc[id].type = REGULATOR_VOLTAGE;
-		as3722_regs->desc[id].owner = THIS_MODULE;
-		as3722_regs->desc[id].enable_reg =
-					as3722_reg_lookup[id].enable_reg;
-		as3722_regs->desc[id].enable_mask =
-					as3722_reg_lookup[id].enable_mask;
-		as3722_regs->desc[id].vsel_reg = as3722_reg_lookup[id].vsel_reg;
-		as3722_regs->desc[id].vsel_mask =
-					as3722_reg_lookup[id].vsel_mask;
+		desc->name = as3722_reg_lookup[id].name;
+		desc->supply_name = as3722_reg_lookup[id].sname;
+		desc->id = as3722_reg_lookup[id].regulator_id;
+		desc->n_voltages = as3722_reg_lookup[id].n_voltages;
+		desc->type = REGULATOR_VOLTAGE;
+		desc->owner = THIS_MODULE;
+		desc->enable_reg = as3722_reg_lookup[id].enable_reg;
+		desc->enable_mask = as3722_reg_lookup[id].enable_mask;
+		desc->vsel_reg = as3722_reg_lookup[id].vsel_reg;
+		desc->vsel_mask = as3722_reg_lookup[id].vsel_mask;
 		switch (id) {
 		case AS3722_REGULATOR_ID_LDO0:
 			if (reg_config->ext_control)
 				ops = &as3722_ldo0_extcntrl_ops;
 			else
 				ops = &as3722_ldo0_ops;
-			as3722_regs->desc[id].min_uV = 825000;
-			as3722_regs->desc[id].uV_step = 25000;
-			as3722_regs->desc[id].linear_min_sel = 1;
-			as3722_regs->desc[id].enable_time = 500;
+			desc->min_uV = 825000;
+			desc->uV_step = 25000;
+			desc->linear_min_sel = 1;
+			desc->enable_time = 500;
+			desc->curr_table = as3722_ldo_current;
+			desc->n_current_limits = ARRAY_SIZE(as3722_ldo_current);
+			desc->csel_reg = as3722_reg_lookup[id].vsel_reg;
+			desc->csel_mask = AS3722_LDO_ILIMIT_MASK;
 			break;
 		case AS3722_REGULATOR_ID_LDO3:
 			if (reg_config->ext_control)
 				ops = &as3722_ldo3_extcntrl_ops;
 			else
 				ops = &as3722_ldo3_ops;
-			as3722_regs->desc[id].min_uV = 620000;
-			as3722_regs->desc[id].uV_step = 20000;
-			as3722_regs->desc[id].linear_min_sel = 1;
-			as3722_regs->desc[id].enable_time = 500;
+			desc->min_uV = 620000;
+			desc->uV_step = 20000;
+			desc->linear_min_sel = 1;
+			desc->enable_time = 500;
 			if (reg_config->enable_tracking) {
 				ret = as3722_ldo3_set_tracking_mode(as3722_regs,
 					id, AS3722_LDO3_MODE_PMOS_TRACKING);
@@ -859,18 +715,17 @@
 				ops = &as3722_ldo6_extcntrl_ops;
 			else
 				ops = &as3722_ldo6_ops;
-			as3722_regs->desc[id].enable_time = 500;
-			as3722_regs->desc[id].bypass_reg =
-						AS3722_LDO6_VOLTAGE_REG;
-			as3722_regs->desc[id].bypass_mask =
-						AS3722_LDO_VSEL_MASK;
-			as3722_regs->desc[id].bypass_val_on =
-						AS3722_LDO6_VSEL_BYPASS;
-			as3722_regs->desc[id].bypass_val_off =
-						AS3722_LDO6_VSEL_BYPASS;
-			as3722_regs->desc[id].linear_ranges = as3722_ldo_ranges;
-			as3722_regs->desc[id].n_linear_ranges =
-						ARRAY_SIZE(as3722_ldo_ranges);
+			desc->enable_time = 500;
+			desc->bypass_reg = AS3722_LDO6_VOLTAGE_REG;
+			desc->bypass_mask = AS3722_LDO_VSEL_MASK;
+			desc->bypass_val_on = AS3722_LDO6_VSEL_BYPASS;
+			desc->bypass_val_off = AS3722_LDO6_VSEL_BYPASS;
+			desc->linear_ranges = as3722_ldo_ranges;
+			desc->n_linear_ranges = ARRAY_SIZE(as3722_ldo_ranges);
+			desc->curr_table = as3722_ldo_current;
+			desc->n_current_limits = ARRAY_SIZE(as3722_ldo_current);
+			desc->csel_reg = as3722_reg_lookup[id].vsel_reg;
+			desc->csel_mask = AS3722_LDO_ILIMIT_MASK;
 			break;
 		case AS3722_REGULATOR_ID_SD0:
 		case AS3722_REGULATOR_ID_SD1:
@@ -886,12 +741,28 @@
 				as3722_regs->desc[id].min_uV = 410000;
 			} else {
 				as3722_regs->desc[id].n_voltages =
-					AS3722_SD0_VSEL_MAX + 1,
+					AS3722_SD0_VSEL_MAX + 1;
 				as3722_regs->desc[id].min_uV = 610000;
 			}
-			as3722_regs->desc[id].uV_step = 10000;
-			as3722_regs->desc[id].linear_min_sel = 1;
-			as3722_regs->desc[id].enable_time = 600;
+			desc->uV_step = 10000;
+			desc->linear_min_sel = 1;
+			desc->enable_time = 600;
+			desc->curr_table = as3722_sd016_current;
+			desc->n_current_limits =
+				ARRAY_SIZE(as3722_sd016_current);
+			if (id == AS3722_REGULATOR_ID_SD0) {
+				desc->csel_reg = AS3722_OVCURRENT_REG;
+				desc->csel_mask =
+					AS3722_OVCURRENT_SD0_TRIP_MASK;
+			} else if (id == AS3722_REGULATOR_ID_SD1) {
+				desc->csel_reg = AS3722_OVCURRENT_REG;
+				desc->csel_mask =
+					AS3722_OVCURRENT_SD1_TRIP_MASK;
+			} else if (id == AS3722_REGULATOR_ID_SD6) {
+				desc->csel_reg = AS3722_OVCURRENT_DEB_REG;
+				desc->csel_mask =
+					AS3722_OVCURRENT_SD6_TRIP_MASK;
+			}
 			break;
 		case AS3722_REGULATOR_ID_SD2:
 		case AS3722_REGULATOR_ID_SD3:
@@ -901,9 +772,8 @@
 				ops = &as3722_sd2345_extcntrl_ops;
 			else
 				ops = &as3722_sd2345_ops;
-			as3722_regs->desc[id].linear_ranges =
-						as3722_sd2345_ranges;
-			as3722_regs->desc[id].n_linear_ranges =
+			desc->linear_ranges = as3722_sd2345_ranges;
+			desc->n_linear_ranges =
 					ARRAY_SIZE(as3722_sd2345_ranges);
 			break;
 		default:
@@ -911,17 +781,19 @@
 				ops = &as3722_ldo_extcntrl_ops;
 			else
 				ops = &as3722_ldo_ops;
-			as3722_regs->desc[id].enable_time = 500;
-			as3722_regs->desc[id].linear_ranges = as3722_ldo_ranges;
-			as3722_regs->desc[id].n_linear_ranges =
-						ARRAY_SIZE(as3722_ldo_ranges);
+			desc->enable_time = 500;
+			desc->linear_ranges = as3722_ldo_ranges;
+			desc->n_linear_ranges = ARRAY_SIZE(as3722_ldo_ranges);
+			desc->curr_table = as3722_ldo_current;
+			desc->n_current_limits = ARRAY_SIZE(as3722_ldo_current);
+			desc->csel_reg = as3722_reg_lookup[id].vsel_reg;
+			desc->csel_mask = AS3722_LDO_ILIMIT_MASK;
 			break;
 		}
-		as3722_regs->desc[id].ops = ops;
+		desc->ops = ops;
 		config.init_data = reg_config->reg_init;
 		config.of_node = as3722_regulator_matches[id].of_node;
-		rdev = devm_regulator_register(&pdev->dev,
-					&as3722_regs->desc[id], &config);
+		rdev = devm_regulator_register(&pdev->dev, desc, &config);
 		if (IS_ERR(rdev)) {
 			ret = PTR_ERR(rdev);
 			dev_err(&pdev->dev, "regulator %d register failed %d\n",
@@ -929,7 +801,6 @@
 			return ret;
 		}
 
-		as3722_regs->rdevs[id] = rdev;
 		if (reg_config->ext_control) {
 			ret = regulator_enable_regmap(rdev);
 			if (ret < 0) {

--
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