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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc 
 kernel/drivers/regulator/rk808-regulator.c
....@@ -1,5 +1,6 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
2
- * Regulator driver for Rockchip RK808/RK818
3
+ * Regulator driver for Rockchip RK805/RK808/RK818
34  *
45  * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
56  *
....@@ -9,15 +10,6 @@
910  * Copyright (C) 2016 PHYTEC Messtechnik GmbH
1011  *
1112  * Author: Wadim Egorov <w.egorov@phytec.de>
12
- *
13
- * This program is free software; you can redistribute it and/or modify it
14
- * under the terms and conditions of the GNU General Public License,
15
- * version 2, as published by the Free Software Foundation.
16
- *
17
- * This program is distributed in the hope it will be useful, but WITHOUT
18
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
20
- * more details.
2113  */
2214 
2315 #include <linux/delay.h>
....@@ -36,16 +28,16 @@
3628 #define RK808_BUCK4_VSEL_MASK	0xf
3729 #define RK808_LDO_VSEL_MASK	0x1f
3830 
39
-#define RK809_BUCK5_VSEL_MASK           0x7
31
+#define RK809_BUCK5_VSEL_MASK		0x7
32
+
33
+#define RK817_LDO_VSEL_MASK		0x7f
34
+#define RK817_BOOST_VSEL_MASK		0x7
35
+#define RK817_BUCK_VSEL_MASK		0x7f
4036 
4137 #define RK816_DCDC_SLP_EN_REG_OFFSET	2
4238 #define RK816_SWITCH_SLP_EN_REG_OFFSET	1
4339 #define RK816_LDO1_4_SLP_EN_REG_OFFSET	1
4440 #define RK816_LDO5_6_SLP_EN_REG_OFFSET	2
45
-
46
-#define RK817_LDO_VSEL_MASK		0x7f
47
-#define RK817_BOOST_VSEL_MASK		0x7
48
-#define RK817_BUCK_VSEL_MASK		0x7f
4941 
5042 #define RK818_BUCK_VSEL_MASK		0x3f
5143 #define RK818_BUCK4_VSEL_MASK		0x1f
....@@ -183,36 +175,36 @@
183175 	RK808_BUCK4_CONFIG_REG,
184176 };
185177 
186
-static const struct regulator_linear_range rk805_buck_1_2_voltage_ranges[] = {
178
+static const struct linear_range rk805_buck_1_2_voltage_ranges[] = {
187179 	REGULATOR_LINEAR_RANGE(712500, 0, 59, 12500),	/* 0.7125v - 1.45v */
188180 	REGULATOR_LINEAR_RANGE(1800000, 60, 62, 200000),/* 1.8v - 2.2v */
189181 	REGULATOR_LINEAR_RANGE(2300000, 63, 63, 0),	/* 2.3v - 2.3v */
190182 };
191183 
192
-static const struct regulator_linear_range rk805_buck4_voltage_ranges[] = {
184
+static const struct linear_range rk805_buck4_voltage_ranges[] = {
193185 	REGULATOR_LINEAR_RANGE(800000, 0, 26, 100000),	/* 0.8v - 3.4v */
194186 	REGULATOR_LINEAR_RANGE(3500000, 27, 31, 0),	/* 3.5v */
195187 };
196188 
197
-static const struct regulator_linear_range rk808_ldo3_voltage_ranges[] = {
189
+static const struct linear_range rk808_ldo3_voltage_ranges[] = {
198190 	REGULATOR_LINEAR_RANGE(800000, 0, 13, 100000),
199191 	REGULATOR_LINEAR_RANGE(2500000, 15, 15, 0),
200192 };
201193 
202
-static const struct regulator_linear_range rk816_buck_voltage_ranges[] = {
194
+static const struct linear_range rk816_buck_voltage_ranges[] = {
203195 	REGULATOR_LINEAR_RANGE(712500, 0, 59, 12500),	/* 0.7125v - 1.45v */
204196 	REGULATOR_LINEAR_RANGE(1800000, 60, 62, 200000),/* 1.8v - 2.2v */
205197 	REGULATOR_LINEAR_RANGE(2300000, 63, 63, 0),	/* 2.3v - 2.3v */
206198 };
207199 
208
-static const struct regulator_linear_range rk816_buck4_voltage_ranges[] = {
200
+static const struct linear_range rk816_buck4_voltage_ranges[] = {
209201 	REGULATOR_LINEAR_RANGE(800000, 0, 26, 100000),	/* 0.8v - 3.4 */
210202 	REGULATOR_LINEAR_RANGE(3500000, 27, 31, 0),	/* 3.5v */
211203 };
212204 
213205 #define RK809_BUCK5_SEL_CNT		(8)
214206 
215
-static const struct regulator_linear_range rk809_buck5_voltage_ranges[] = {
207
+static const struct linear_range rk809_buck5_voltage_ranges[] = {
216208 	REGULATOR_LINEAR_RANGE(1500000, 0, 0, 0),
217209 	REGULATOR_LINEAR_RANGE(1800000, 1, 3, 200000),
218210 	REGULATOR_LINEAR_RANGE(2800000, 4, 5, 200000),
....@@ -241,14 +233,14 @@
241233 #define RK817_BUCK1_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK1_SEL1 + 1)
242234 #define RK817_BUCK3_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK3_SEL1 + 1)
243235 
244
-static const struct regulator_linear_range rk817_buck1_voltage_ranges[] = {
236
+static const struct linear_range rk817_buck1_voltage_ranges[] = {
245237 	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
246238 			       RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
247239 	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
248240 			       RK817_BUCK1_SEL_CNT, RK817_BUCK1_STP1),
249241 };
250242 
251
-static const struct regulator_linear_range rk817_buck3_voltage_ranges[] = {
243
+static const struct linear_range rk817_buck3_voltage_ranges[] = {
252244 	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
253245 			       RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
254246 	REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
....@@ -327,7 +319,7 @@
327319 	return ret;
328320 }
329321 
330
-#ifdef CONFIG_CPU_RK312X
322
+#ifdef CONFIG_CLK_RK312X
331323 extern void rkclk_cpuclk_div_setting(int div);
332324 #else
333325 static inline void rkclk_cpuclk_div_setting(int div) {}
....@@ -517,7 +509,7 @@
517509 		break;
518510 	default:
519511 		dev_warn(&rdev->dev,
520
-			 "%s ramp_delay: %d not supported, setting 10000\n",
512
+			 "%s ramp_delay: %d not supported, setting 25000\n",
521513 			 rdev->desc->name, ramp_delay);
522514 	}
523515 
....@@ -530,21 +522,6 @@
530522 	unsigned int reg;
531523 	int sel = regulator_map_voltage_linear(rdev, uv, uv);
532524 
533
-	if (sel < 0)
534
-		return -EINVAL;
535
-
536
-	reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET;
537
-
538
-	return regmap_update_bits(rdev->regmap, reg,
539
-				  rdev->desc->vsel_mask,
540
-				  sel);
541
-}
542
-
543
-static int rk817_set_suspend_voltage(struct regulator_dev *rdev, int uv)
544
-{
545
-	unsigned int reg;
546
-	int sel = regulator_map_voltage_linear(rdev, uv, uv);
547
-	/* only ldo1~ldo9 */
548525 	if (sel < 0)
549526 		return -EINVAL;
550527 
....@@ -811,7 +788,7 @@
811788 	case 2:
812789 		return REGULATOR_MODE_NORMAL;
813790 	default:
814
-		return -EINVAL;
791
+		return REGULATOR_MODE_INVALID;
815792 	}
816793 }
817794 
....@@ -891,7 +868,7 @@
891868 	.set_suspend_disable	= rk808_set_suspend_disable,
892869 };
893870 
894
-static struct regulator_ops rk809_buck5_ops_range = {
871
+static const struct regulator_ops rk809_buck5_ops_range = {
895872 	.list_voltage		= regulator_list_voltage_linear_range,
896873 	.map_voltage		= regulator_map_voltage_linear_range,
897874 	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
....@@ -905,7 +882,7 @@
905882 	.set_suspend_disable	= rk817_set_suspend_disable,
906883 };
907884 
908
-static struct regulator_ops rk817_reg_ops = {
885
+static const struct regulator_ops rk817_reg_ops = {
909886 	.list_voltage		= regulator_list_voltage_linear,
910887 	.map_voltage		= regulator_map_voltage_linear,
911888 	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
....@@ -913,12 +890,12 @@
913890 	.enable			= rk8xx_enabled_wmsk_regmap,
914891 	.disable		= rk8xx_disabled_wmsk_regmap,
915892 	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
916
-	.set_suspend_voltage	= rk817_set_suspend_voltage,
893
+	.set_suspend_voltage	= rk808_set_suspend_voltage,
917894 	.set_suspend_enable	= rk817_set_suspend_enable,
918895 	.set_suspend_disable	= rk817_set_suspend_disable,
919896 };
920897 
921
-static struct regulator_ops rk817_boost_ops = {
898
+static const struct regulator_ops rk817_boost_ops = {
922899 	.list_voltage		= regulator_list_voltage_linear,
923900 	.map_voltage		= regulator_map_voltage_linear,
924901 	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
....@@ -930,7 +907,7 @@
930907 	.set_suspend_disable	= rk817_set_suspend_disable,
931908 };
932909 
933
-static struct regulator_ops rk817_buck_ops_range = {
910
+static const struct regulator_ops rk817_buck_ops_range = {
934911 	.list_voltage		= regulator_list_voltage_linear_range,
935912 	.map_voltage		= regulator_map_voltage_linear_range,
936913 	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
....@@ -948,7 +925,7 @@
948925 	.set_suspend_disable	= rk817_set_suspend_disable,
949926 };
950927 
951
-static struct regulator_ops rk817_switch_ops = {
928
+static const struct regulator_ops rk817_switch_ops = {
952929 	.enable			= rk8xx_enabled_wmsk_regmap,
953930 	.disable		= rk8xx_disabled_wmsk_regmap,
954931 	.is_enabled		= rk8xx_is_enabled_wmsk_regmap,
....@@ -1135,7 +1112,6 @@
11351112 	RK8XX_DESC_SWITCH(RK808_ID_SWITCH2, "SWITCH_REG2", "vcc12",
11361113 		RK808_DCDC_EN_REG, BIT(6)),
11371114 };
1138
-
11391115 
11401116 static const struct regulator_desc rk816_reg[] = {
11411117 	{
....@@ -1730,7 +1706,7 @@
17301706 module_platform_driver(rk808_regulator_driver);
17311707 #endif
17321708 
1733
-MODULE_DESCRIPTION("regulator driver for the RK805/RK808/RK809/RK817/RK818 series PMICs");
1709
+MODULE_DESCRIPTION("regulator driver for the RK805/RK808/RK816/RK818 series PMICs");
17341710 MODULE_AUTHOR("Tony xie <tony.xie@rock-chips.com>");
17351711 MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
17361712 MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>");