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Date: Thu, 13 Feb 2014 17:54:13 +0530
From: Yadwinder Singh Brar <yadi.brar01@...il.com>
To: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc: Sangbeom Kim <sbkim73@...sung.com>,
Samuel Ortiz <sameo@...ux.intel.com>,
Lee Jones <lee.jones@...aro.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
Kyungmin Park <kyungmin.park@...sung.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
Mark Brown <broonie@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH v2 09/14] regulator: s2mps11: Add support for S2MPS14 regulators
On Thu, Feb 13, 2014 at 2:44 PM, Krzysztof Kozlowski
<k.kozlowski@...sung.com> wrote:
> Add support for S2MPS14 PMIC regulators to s2mps11 driver. The S2MPS14
> has fewer BUCK-s and LDO-s than S2MPS11. It also does not support
> controlling the BUCK ramp delay.
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> Cc: Mark Brown <broonie@...nel.org>
> Cc: Liam Girdwood <lgirdwood@...il.com>
> ---
Reviewed-by: Yadwinder Singh Brar <yadi.brar@...sung.com>
Regards,
Yadwinder
> drivers/regulator/s2mps11.c | 252 ++++++++++++++++++++++++++++++++-----------
> 1 file changed, 191 insertions(+), 61 deletions(-)
>
> diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
> index 246b25d58c2b..f56ac6f776ae 100644
> --- a/drivers/regulator/s2mps11.c
> +++ b/drivers/regulator/s2mps11.c
> @@ -1,13 +1,18 @@
> /*
> * s2mps11.c
> *
> - * Copyright (c) 2012 Samsung Electronics Co., Ltd
> + * Copyright (c) 2012-2014 Samsung Electronics Co., Ltd
> * http://www.samsung.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 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.
> *
> */
>
> @@ -24,6 +29,7 @@
> #include <linux/regulator/of_regulator.h>
> #include <linux/mfd/samsung/core.h>
> #include <linux/mfd/samsung/s2mps11.h>
> +#include <linux/mfd/samsung/s2mps14.h>
>
> struct s2mps11_info {
> struct regulator_dev **rdev;
> @@ -235,7 +241,7 @@ static struct regulator_ops s2mps11_buck_ops = {
> .set_ramp_delay = s2mps11_set_ramp_delay,
> };
>
> -#define regulator_desc_ldo1(num) { \
> +#define regulator_desc_s2mps11_ldo1(num) { \
> .name = "LDO"#num, \
> .id = S2MPS11_LDO##num, \
> .ops = &s2mps11_ldo_ops, \
> @@ -249,7 +255,7 @@ static struct regulator_ops s2mps11_buck_ops = {
> .enable_reg = S2MPS11_REG_L1CTRL + num - 1, \
> .enable_mask = S2MPS11_ENABLE_MASK \
> }
> -#define regulator_desc_ldo2(num) { \
> +#define regulator_desc_s2mps11_ldo2(num) { \
> .name = "LDO"#num, \
> .id = S2MPS11_LDO##num, \
> .ops = &s2mps11_ldo_ops, \
> @@ -264,7 +270,7 @@ static struct regulator_ops s2mps11_buck_ops = {
> .enable_mask = S2MPS11_ENABLE_MASK \
> }
>
> -#define regulator_desc_buck1_4(num) { \
> +#define regulator_desc_s2mps11_buck1_4(num) { \
> .name = "BUCK"#num, \
> .id = S2MPS11_BUCK##num, \
> .ops = &s2mps11_buck_ops, \
> @@ -280,7 +286,7 @@ static struct regulator_ops s2mps11_buck_ops = {
> .enable_mask = S2MPS11_ENABLE_MASK \
> }
>
> -#define regulator_desc_buck5 { \
> +#define regulator_desc_s2mps11_buck5 { \
> .name = "BUCK5", \
> .id = S2MPS11_BUCK5, \
> .ops = &s2mps11_buck_ops, \
> @@ -296,7 +302,7 @@ static struct regulator_ops s2mps11_buck_ops = {
> .enable_mask = S2MPS11_ENABLE_MASK \
> }
>
> -#define regulator_desc_buck6_8(num) { \
> +#define regulator_desc_s2mps11_buck6_8(num) { \
> .name = "BUCK"#num, \
> .id = S2MPS11_BUCK##num, \
> .ops = &s2mps11_buck_ops, \
> @@ -312,7 +318,7 @@ static struct regulator_ops s2mps11_buck_ops = {
> .enable_mask = S2MPS11_ENABLE_MASK \
> }
>
> -#define regulator_desc_buck9 { \
> +#define regulator_desc_s2mps11_buck9 { \
> .name = "BUCK9", \
> .id = S2MPS11_BUCK9, \
> .ops = &s2mps11_buck_ops, \
> @@ -328,7 +334,7 @@ static struct regulator_ops s2mps11_buck_ops = {
> .enable_mask = S2MPS11_ENABLE_MASK \
> }
>
> -#define regulator_desc_buck10 { \
> +#define regulator_desc_s2mps11_buck10 { \
> .name = "BUCK10", \
> .id = S2MPS11_BUCK10, \
> .ops = &s2mps11_buck_ops, \
> @@ -345,54 +351,173 @@ static struct regulator_ops s2mps11_buck_ops = {
> }
>
> static const struct regulator_desc s2mps11_regulators[] __initconst = {
> - regulator_desc_ldo2(1),
> - regulator_desc_ldo1(2),
> - regulator_desc_ldo1(3),
> - regulator_desc_ldo1(4),
> - regulator_desc_ldo1(5),
> - regulator_desc_ldo2(6),
> - regulator_desc_ldo1(7),
> - regulator_desc_ldo1(8),
> - regulator_desc_ldo1(9),
> - regulator_desc_ldo1(10),
> - regulator_desc_ldo2(11),
> - regulator_desc_ldo1(12),
> - regulator_desc_ldo1(13),
> - regulator_desc_ldo1(14),
> - regulator_desc_ldo1(15),
> - regulator_desc_ldo1(16),
> - regulator_desc_ldo1(17),
> - regulator_desc_ldo1(18),
> - regulator_desc_ldo1(19),
> - regulator_desc_ldo1(20),
> - regulator_desc_ldo1(21),
> - regulator_desc_ldo2(22),
> - regulator_desc_ldo2(23),
> - regulator_desc_ldo1(24),
> - regulator_desc_ldo1(25),
> - regulator_desc_ldo1(26),
> - regulator_desc_ldo2(27),
> - regulator_desc_ldo1(28),
> - regulator_desc_ldo1(29),
> - regulator_desc_ldo1(30),
> - regulator_desc_ldo1(31),
> - regulator_desc_ldo1(32),
> - regulator_desc_ldo1(33),
> - regulator_desc_ldo1(34),
> - regulator_desc_ldo1(35),
> - regulator_desc_ldo1(36),
> - regulator_desc_ldo1(37),
> - regulator_desc_ldo1(38),
> - regulator_desc_buck1_4(1),
> - regulator_desc_buck1_4(2),
> - regulator_desc_buck1_4(3),
> - regulator_desc_buck1_4(4),
> - regulator_desc_buck5,
> - regulator_desc_buck6_8(6),
> - regulator_desc_buck6_8(7),
> - regulator_desc_buck6_8(8),
> - regulator_desc_buck9,
> - regulator_desc_buck10,
> + regulator_desc_s2mps11_ldo2(1),
> + regulator_desc_s2mps11_ldo1(2),
> + regulator_desc_s2mps11_ldo1(3),
> + regulator_desc_s2mps11_ldo1(4),
> + regulator_desc_s2mps11_ldo1(5),
> + regulator_desc_s2mps11_ldo2(6),
> + regulator_desc_s2mps11_ldo1(7),
> + regulator_desc_s2mps11_ldo1(8),
> + regulator_desc_s2mps11_ldo1(9),
> + regulator_desc_s2mps11_ldo1(10),
> + regulator_desc_s2mps11_ldo2(11),
> + regulator_desc_s2mps11_ldo1(12),
> + regulator_desc_s2mps11_ldo1(13),
> + regulator_desc_s2mps11_ldo1(14),
> + regulator_desc_s2mps11_ldo1(15),
> + regulator_desc_s2mps11_ldo1(16),
> + regulator_desc_s2mps11_ldo1(17),
> + regulator_desc_s2mps11_ldo1(18),
> + regulator_desc_s2mps11_ldo1(19),
> + regulator_desc_s2mps11_ldo1(20),
> + regulator_desc_s2mps11_ldo1(21),
> + regulator_desc_s2mps11_ldo2(22),
> + regulator_desc_s2mps11_ldo2(23),
> + regulator_desc_s2mps11_ldo1(24),
> + regulator_desc_s2mps11_ldo1(25),
> + regulator_desc_s2mps11_ldo1(26),
> + regulator_desc_s2mps11_ldo2(27),
> + regulator_desc_s2mps11_ldo1(28),
> + regulator_desc_s2mps11_ldo1(29),
> + regulator_desc_s2mps11_ldo1(30),
> + regulator_desc_s2mps11_ldo1(31),
> + regulator_desc_s2mps11_ldo1(32),
> + regulator_desc_s2mps11_ldo1(33),
> + regulator_desc_s2mps11_ldo1(34),
> + regulator_desc_s2mps11_ldo1(35),
> + regulator_desc_s2mps11_ldo1(36),
> + regulator_desc_s2mps11_ldo1(37),
> + regulator_desc_s2mps11_ldo1(38),
> + regulator_desc_s2mps11_buck1_4(1),
> + regulator_desc_s2mps11_buck1_4(2),
> + regulator_desc_s2mps11_buck1_4(3),
> + regulator_desc_s2mps11_buck1_4(4),
> + regulator_desc_s2mps11_buck5,
> + regulator_desc_s2mps11_buck6_8(6),
> + regulator_desc_s2mps11_buck6_8(7),
> + regulator_desc_s2mps11_buck6_8(8),
> + regulator_desc_s2mps11_buck9,
> + regulator_desc_s2mps11_buck10,
> +};
> +
> +static struct regulator_ops s2mps14_reg_ops = {
> + .list_voltage = regulator_list_voltage_linear,
> + .map_voltage = regulator_map_voltage_linear,
> + .is_enabled = regulator_is_enabled_regmap,
> + .enable = regulator_enable_regmap,
> + .disable = regulator_disable_regmap,
> + .get_voltage_sel = regulator_get_voltage_sel_regmap,
> + .set_voltage_sel = regulator_set_voltage_sel_regmap,
> + .set_voltage_time_sel = regulator_set_voltage_time_sel,
> +};
> +
> +#define regulator_desc_s2mps14_ldo1(num) { \
> + .name = "LDO"#num, \
> + .id = S2MPS14_LDO##num, \
> + .ops = &s2mps14_reg_ops, \
> + .type = REGULATOR_VOLTAGE, \
> + .owner = THIS_MODULE, \
> + .min_uV = S2MPS14_LDO_MIN_800MV, \
> + .uV_step = S2MPS14_LDO_STEP_25MV, \
> + .n_voltages = S2MPS14_LDO_N_VOLTAGES, \
> + .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \
> + .vsel_mask = S2MPS14_LDO_VSEL_MASK, \
> + .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \
> + .enable_mask = S2MPS14_ENABLE_MASK \
> +}
> +#define regulator_desc_s2mps14_ldo2(num) { \
> + .name = "LDO"#num, \
> + .id = S2MPS14_LDO##num, \
> + .ops = &s2mps14_reg_ops, \
> + .type = REGULATOR_VOLTAGE, \
> + .owner = THIS_MODULE, \
> + .min_uV = S2MPS14_LDO_MIN_1800MV, \
> + .uV_step = S2MPS14_LDO_STEP_25MV, \
> + .n_voltages = S2MPS14_LDO_N_VOLTAGES, \
> + .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \
> + .vsel_mask = S2MPS14_LDO_VSEL_MASK, \
> + .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \
> + .enable_mask = S2MPS14_ENABLE_MASK \
> +}
> +#define regulator_desc_s2mps14_ldo3(num) { \
> + .name = "LDO"#num, \
> + .id = S2MPS14_LDO##num, \
> + .ops = &s2mps14_reg_ops, \
> + .type = REGULATOR_VOLTAGE, \
> + .owner = THIS_MODULE, \
> + .min_uV = S2MPS14_LDO_MIN_800MV, \
> + .uV_step = S2MPS14_LDO_STEP_12_5MV, \
> + .n_voltages = S2MPS14_LDO_N_VOLTAGES, \
> + .vsel_reg = S2MPS14_REG_L1CTRL + num - 1, \
> + .vsel_mask = S2MPS14_LDO_VSEL_MASK, \
> + .enable_reg = S2MPS14_REG_L1CTRL + num - 1, \
> + .enable_mask = S2MPS14_ENABLE_MASK \
> +}
> +#define regulator_desc_s2mps14_buck1235(num) { \
> + .name = "BUCK"#num, \
> + .id = S2MPS14_BUCK##num, \
> + .ops = &s2mps14_reg_ops, \
> + .type = REGULATOR_VOLTAGE, \
> + .owner = THIS_MODULE, \
> + .min_uV = S2MPS14_BUCK1235_MIN_600MV, \
> + .uV_step = S2MPS14_BUCK1235_STEP_6_25MV, \
> + .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
> + .linear_min_sel = S2MPS14_BUCK1235_START_SEL, \
> + .ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \
> + .vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \
> + .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \
> + .enable_reg = S2MPS14_REG_B1CTRL1 + (num - 1) * 2, \
> + .enable_mask = S2MPS14_ENABLE_MASK \
> +}
> +#define regulator_desc_s2mps14_buck4(num) { \
> + .name = "BUCK"#num, \
> + .id = S2MPS14_BUCK##num, \
> + .ops = &s2mps14_reg_ops, \
> + .type = REGULATOR_VOLTAGE, \
> + .owner = THIS_MODULE, \
> + .min_uV = S2MPS14_BUCK4_MIN_1400MV, \
> + .uV_step = S2MPS14_BUCK4_STEP_12_5MV, \
> + .n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
> + .linear_min_sel = S2MPS14_BUCK4_START_SEL, \
> + .ramp_delay = S2MPS14_BUCK_RAMP_DELAY, \
> + .vsel_reg = S2MPS14_REG_B1CTRL2 + (num - 1) * 2, \
> + .vsel_mask = S2MPS14_BUCK_VSEL_MASK, \
> + .enable_reg = S2MPS14_REG_B1CTRL1 + (num - 1) * 2, \
> + .enable_mask = S2MPS14_ENABLE_MASK \
> +}
> +
> +static const struct regulator_desc s2mps14_regulators[] __initconst = {
> + regulator_desc_s2mps14_ldo3(1),
> + regulator_desc_s2mps14_ldo3(2),
> + regulator_desc_s2mps14_ldo1(3),
> + regulator_desc_s2mps14_ldo1(4),
> + regulator_desc_s2mps14_ldo3(5),
> + regulator_desc_s2mps14_ldo3(6),
> + regulator_desc_s2mps14_ldo1(7),
> + regulator_desc_s2mps14_ldo2(8),
> + regulator_desc_s2mps14_ldo3(9),
> + regulator_desc_s2mps14_ldo3(10),
> + regulator_desc_s2mps14_ldo1(11),
> + regulator_desc_s2mps14_ldo2(12),
> + regulator_desc_s2mps14_ldo2(13),
> + regulator_desc_s2mps14_ldo2(14),
> + regulator_desc_s2mps14_ldo2(15),
> + regulator_desc_s2mps14_ldo2(16),
> + regulator_desc_s2mps14_ldo2(17),
> + regulator_desc_s2mps14_ldo2(18),
> + regulator_desc_s2mps14_ldo1(19),
> + regulator_desc_s2mps14_ldo1(20),
> + regulator_desc_s2mps14_ldo1(21),
> + regulator_desc_s2mps14_ldo3(22),
> + regulator_desc_s2mps14_ldo1(23),
> + regulator_desc_s2mps14_ldo2(24),
> + regulator_desc_s2mps14_ldo2(25),
> + regulator_desc_s2mps14_buck1235(1),
> + regulator_desc_s2mps14_buck1235(2),
> + regulator_desc_s2mps14_buck1235(3),
> + regulator_desc_s2mps14_buck4(4),
> + regulator_desc_s2mps14_buck1235(5),
> };
>
> /*
> @@ -415,6 +540,10 @@ s2mps11_pmic_init_regulators_desc(struct platform_device *pdev,
> rdev_num = ARRAY_SIZE(s2mps11_regulators);
> regulators_init = s2mps11_regulators;
> break;
> + case S2MPS14X:
> + rdev_num = ARRAY_SIZE(s2mps14_regulators);
> + regulators_init = s2mps14_regulators;
> + break;
> default:
> dev_err(&pdev->dev, "Invalid device type: %u\n", dev_type);
> return -EINVAL;
> @@ -516,6 +645,7 @@ common_reg:
>
> static const struct platform_device_id s2mps11_pmic_id[] = {
> { "s2mps11-pmic", S2MPS11X},
> + { "s2mps14-pmic", S2MPS14X},
> { },
> };
> MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id);
> @@ -543,5 +673,5 @@ module_exit(s2mps11_pmic_exit);
>
> /* Module information */
> MODULE_AUTHOR("Sangbeom Kim <sbkim73@...sung.com>");
> -MODULE_DESCRIPTION("SAMSUNG S2MPS11 Regulator Driver");
> +MODULE_DESCRIPTION("SAMSUNG S2MPS11/S2MPS14 Regulator Driver");
> MODULE_LICENSE("GPL");
> --
> 1.7.9.5
>
> --
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