forked from mirrors/linux
56b5d4ea77
LDO35 uses 25 mV step, not 50 mV. Bucks 7 and 8 use 12.5 mV step
instead of 6.25 mV. Wrong step caused over-voltage (LDO35) or
under-voltage (buck7 and 8) if regulators were used (e.g. on Exynos5420
Arndale Octa board).
Cc: <stable@vger.kernel.org>
Fixes: cb74685ecb ("regulator: s2mps11: Add samsung s2mps11 regulator driver")
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
1237 lines
41 KiB
C
1237 lines
41 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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//
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// Copyright (c) 2012-2014 Samsung Electronics Co., Ltd
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// http://www.samsung.com
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#include <linux/bug.h>
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#include <linux/err.h>
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#include <linux/gpio/consumer.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/regmap.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/driver.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/of_regulator.h>
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#include <linux/mfd/samsung/core.h>
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#include <linux/mfd/samsung/s2mps11.h>
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#include <linux/mfd/samsung/s2mps13.h>
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#include <linux/mfd/samsung/s2mps14.h>
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#include <linux/mfd/samsung/s2mps15.h>
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#include <linux/mfd/samsung/s2mpu02.h>
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/* The highest number of possible regulators for supported devices. */
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#define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX
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struct s2mps11_info {
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int ramp_delay2;
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int ramp_delay34;
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int ramp_delay5;
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int ramp_delay16;
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int ramp_delay7810;
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int ramp_delay9;
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enum sec_device_type dev_type;
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/*
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* One bit for each S2MPS13/S2MPS14/S2MPU02 regulator whether
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* the suspend mode was enabled.
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*/
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DECLARE_BITMAP(suspend_state, S2MPS_REGULATOR_MAX);
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/*
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* Array (size: number of regulators) with GPIO-s for external
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* sleep control.
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*/
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struct gpio_desc **ext_control_gpiod;
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};
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static int get_ramp_delay(int ramp_delay)
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{
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unsigned char cnt = 0;
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ramp_delay /= 6250;
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while (true) {
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ramp_delay = ramp_delay >> 1;
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if (ramp_delay == 0)
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break;
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cnt++;
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}
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if (cnt > 3)
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cnt = 3;
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return cnt;
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}
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static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
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unsigned int old_selector,
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unsigned int new_selector)
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{
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struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
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unsigned int ramp_delay = 0;
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int old_volt, new_volt;
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switch (rdev_get_id(rdev)) {
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case S2MPS11_BUCK2:
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ramp_delay = s2mps11->ramp_delay2;
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break;
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case S2MPS11_BUCK3:
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case S2MPS11_BUCK4:
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ramp_delay = s2mps11->ramp_delay34;
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break;
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case S2MPS11_BUCK5:
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ramp_delay = s2mps11->ramp_delay5;
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break;
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case S2MPS11_BUCK6:
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case S2MPS11_BUCK1:
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ramp_delay = s2mps11->ramp_delay16;
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break;
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case S2MPS11_BUCK7:
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case S2MPS11_BUCK8:
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case S2MPS11_BUCK10:
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ramp_delay = s2mps11->ramp_delay7810;
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break;
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case S2MPS11_BUCK9:
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ramp_delay = s2mps11->ramp_delay9;
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}
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if (ramp_delay == 0)
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ramp_delay = rdev->desc->ramp_delay;
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old_volt = rdev->desc->min_uV + (rdev->desc->uV_step * old_selector);
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new_volt = rdev->desc->min_uV + (rdev->desc->uV_step * new_selector);
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return DIV_ROUND_UP(abs(new_volt - old_volt), ramp_delay);
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}
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static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
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{
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struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
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unsigned int ramp_val, ramp_shift, ramp_reg = S2MPS11_REG_RAMP_BUCK;
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unsigned int ramp_enable = 1, enable_shift = 0;
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int ret;
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switch (rdev_get_id(rdev)) {
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case S2MPS11_BUCK1:
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if (ramp_delay > s2mps11->ramp_delay16)
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s2mps11->ramp_delay16 = ramp_delay;
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else
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ramp_delay = s2mps11->ramp_delay16;
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ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT;
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break;
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case S2MPS11_BUCK2:
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enable_shift = S2MPS11_BUCK2_RAMP_EN_SHIFT;
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if (!ramp_delay) {
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ramp_enable = 0;
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break;
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}
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s2mps11->ramp_delay2 = ramp_delay;
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ramp_shift = S2MPS11_BUCK2_RAMP_SHIFT;
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ramp_reg = S2MPS11_REG_RAMP;
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break;
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case S2MPS11_BUCK3:
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enable_shift = S2MPS11_BUCK3_RAMP_EN_SHIFT;
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if (!ramp_delay) {
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ramp_enable = 0;
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break;
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}
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if (ramp_delay > s2mps11->ramp_delay34)
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s2mps11->ramp_delay34 = ramp_delay;
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else
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ramp_delay = s2mps11->ramp_delay34;
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ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT;
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ramp_reg = S2MPS11_REG_RAMP;
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break;
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case S2MPS11_BUCK4:
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enable_shift = S2MPS11_BUCK4_RAMP_EN_SHIFT;
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if (!ramp_delay) {
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ramp_enable = 0;
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break;
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}
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if (ramp_delay > s2mps11->ramp_delay34)
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s2mps11->ramp_delay34 = ramp_delay;
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else
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ramp_delay = s2mps11->ramp_delay34;
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ramp_shift = S2MPS11_BUCK34_RAMP_SHIFT;
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ramp_reg = S2MPS11_REG_RAMP;
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break;
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case S2MPS11_BUCK5:
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s2mps11->ramp_delay5 = ramp_delay;
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ramp_shift = S2MPS11_BUCK5_RAMP_SHIFT;
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break;
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case S2MPS11_BUCK6:
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enable_shift = S2MPS11_BUCK6_RAMP_EN_SHIFT;
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if (!ramp_delay) {
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ramp_enable = 0;
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break;
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}
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if (ramp_delay > s2mps11->ramp_delay16)
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s2mps11->ramp_delay16 = ramp_delay;
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else
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ramp_delay = s2mps11->ramp_delay16;
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ramp_shift = S2MPS11_BUCK16_RAMP_SHIFT;
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break;
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case S2MPS11_BUCK7:
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case S2MPS11_BUCK8:
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case S2MPS11_BUCK10:
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if (ramp_delay > s2mps11->ramp_delay7810)
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s2mps11->ramp_delay7810 = ramp_delay;
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else
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ramp_delay = s2mps11->ramp_delay7810;
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ramp_shift = S2MPS11_BUCK7810_RAMP_SHIFT;
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break;
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case S2MPS11_BUCK9:
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s2mps11->ramp_delay9 = ramp_delay;
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ramp_shift = S2MPS11_BUCK9_RAMP_SHIFT;
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break;
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default:
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return 0;
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}
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if (!ramp_enable)
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goto ramp_disable;
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/* Ramp delay can be enabled/disabled only for buck[2346] */
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if ((rdev_get_id(rdev) >= S2MPS11_BUCK2 &&
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rdev_get_id(rdev) <= S2MPS11_BUCK4) ||
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rdev_get_id(rdev) == S2MPS11_BUCK6) {
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ret = regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP,
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1 << enable_shift, 1 << enable_shift);
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if (ret) {
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dev_err(&rdev->dev, "failed to enable ramp rate\n");
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return ret;
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}
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}
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ramp_val = get_ramp_delay(ramp_delay);
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return regmap_update_bits(rdev->regmap, ramp_reg, 0x3 << ramp_shift,
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ramp_val << ramp_shift);
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ramp_disable:
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return regmap_update_bits(rdev->regmap, S2MPS11_REG_RAMP,
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1 << enable_shift, 0);
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}
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static const struct regulator_ops s2mps11_ldo_ops = {
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.list_voltage = regulator_list_voltage_linear,
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.map_voltage = regulator_map_voltage_linear,
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.is_enabled = regulator_is_enabled_regmap,
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.set_voltage_time_sel = regulator_set_voltage_time_sel,
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};
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static const struct regulator_ops s2mps11_buck_ops = {
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.list_voltage = regulator_list_voltage_linear,
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.map_voltage = regulator_map_voltage_linear,
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.is_enabled = regulator_is_enabled_regmap,
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.set_voltage_time_sel = s2mps11_regulator_set_voltage_time_sel,
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.set_ramp_delay = s2mps11_set_ramp_delay,
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};
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#define regulator_desc_s2mps11_ldo(num, step) { \
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.name = "LDO"#num, \
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.id = S2MPS11_LDO##num, \
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.ops = &s2mps11_ldo_ops, \
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.type = REGULATOR_VOLTAGE, \
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.owner = THIS_MODULE, \
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.ramp_delay = RAMP_DELAY_12_MVUS, \
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.min_uV = MIN_800_MV, \
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.uV_step = step, \
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.n_voltages = S2MPS11_LDO_N_VOLTAGES, \
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.vsel_reg = S2MPS11_REG_L1CTRL + num - 1, \
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.vsel_mask = S2MPS11_LDO_VSEL_MASK, \
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.enable_reg = S2MPS11_REG_L1CTRL + num - 1, \
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.enable_mask = S2MPS11_ENABLE_MASK \
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}
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#define regulator_desc_s2mps11_buck1_4(num) { \
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.name = "BUCK"#num, \
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.id = S2MPS11_BUCK##num, \
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.ops = &s2mps11_buck_ops, \
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.type = REGULATOR_VOLTAGE, \
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.owner = THIS_MODULE, \
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.min_uV = MIN_600_MV, \
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.uV_step = STEP_6_25_MV, \
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.n_voltages = S2MPS11_BUCK_N_VOLTAGES, \
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.ramp_delay = S2MPS11_RAMP_DELAY, \
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.vsel_reg = S2MPS11_REG_B1CTRL2 + (num - 1) * 2, \
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.vsel_mask = S2MPS11_BUCK_VSEL_MASK, \
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.enable_reg = S2MPS11_REG_B1CTRL1 + (num - 1) * 2, \
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.enable_mask = S2MPS11_ENABLE_MASK \
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}
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#define regulator_desc_s2mps11_buck5 { \
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.name = "BUCK5", \
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.id = S2MPS11_BUCK5, \
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.ops = &s2mps11_buck_ops, \
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.type = REGULATOR_VOLTAGE, \
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.owner = THIS_MODULE, \
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.min_uV = MIN_600_MV, \
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.uV_step = STEP_6_25_MV, \
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.n_voltages = S2MPS11_BUCK_N_VOLTAGES, \
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.ramp_delay = S2MPS11_RAMP_DELAY, \
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.vsel_reg = S2MPS11_REG_B5CTRL2, \
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.vsel_mask = S2MPS11_BUCK_VSEL_MASK, \
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.enable_reg = S2MPS11_REG_B5CTRL1, \
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.enable_mask = S2MPS11_ENABLE_MASK \
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}
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#define regulator_desc_s2mps11_buck67810(num, min, step) { \
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.name = "BUCK"#num, \
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.id = S2MPS11_BUCK##num, \
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.ops = &s2mps11_buck_ops, \
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.type = REGULATOR_VOLTAGE, \
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.owner = THIS_MODULE, \
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.min_uV = min, \
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.uV_step = step, \
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.n_voltages = S2MPS11_BUCK_N_VOLTAGES, \
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.ramp_delay = S2MPS11_RAMP_DELAY, \
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.vsel_reg = S2MPS11_REG_B6CTRL2 + (num - 6) * 2, \
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.vsel_mask = S2MPS11_BUCK_VSEL_MASK, \
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.enable_reg = S2MPS11_REG_B6CTRL1 + (num - 6) * 2, \
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.enable_mask = S2MPS11_ENABLE_MASK \
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}
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#define regulator_desc_s2mps11_buck9 { \
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.name = "BUCK9", \
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.id = S2MPS11_BUCK9, \
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.ops = &s2mps11_buck_ops, \
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.type = REGULATOR_VOLTAGE, \
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.owner = THIS_MODULE, \
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.min_uV = MIN_3000_MV, \
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.uV_step = STEP_25_MV, \
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.n_voltages = S2MPS11_BUCK9_N_VOLTAGES, \
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.ramp_delay = S2MPS11_RAMP_DELAY, \
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.vsel_reg = S2MPS11_REG_B9CTRL2, \
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.vsel_mask = S2MPS11_BUCK9_VSEL_MASK, \
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.enable_reg = S2MPS11_REG_B9CTRL1, \
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.enable_mask = S2MPS11_ENABLE_MASK \
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}
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static const struct regulator_desc s2mps11_regulators[] = {
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regulator_desc_s2mps11_ldo(1, STEP_25_MV),
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regulator_desc_s2mps11_ldo(2, STEP_50_MV),
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regulator_desc_s2mps11_ldo(3, STEP_50_MV),
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regulator_desc_s2mps11_ldo(4, STEP_50_MV),
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regulator_desc_s2mps11_ldo(5, STEP_50_MV),
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regulator_desc_s2mps11_ldo(6, STEP_25_MV),
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regulator_desc_s2mps11_ldo(7, STEP_50_MV),
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regulator_desc_s2mps11_ldo(8, STEP_50_MV),
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regulator_desc_s2mps11_ldo(9, STEP_50_MV),
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regulator_desc_s2mps11_ldo(10, STEP_50_MV),
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regulator_desc_s2mps11_ldo(11, STEP_25_MV),
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regulator_desc_s2mps11_ldo(12, STEP_50_MV),
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regulator_desc_s2mps11_ldo(13, STEP_50_MV),
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regulator_desc_s2mps11_ldo(14, STEP_50_MV),
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regulator_desc_s2mps11_ldo(15, STEP_50_MV),
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regulator_desc_s2mps11_ldo(16, STEP_50_MV),
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regulator_desc_s2mps11_ldo(17, STEP_50_MV),
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regulator_desc_s2mps11_ldo(18, STEP_50_MV),
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regulator_desc_s2mps11_ldo(19, STEP_50_MV),
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regulator_desc_s2mps11_ldo(20, STEP_50_MV),
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regulator_desc_s2mps11_ldo(21, STEP_50_MV),
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regulator_desc_s2mps11_ldo(22, STEP_25_MV),
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regulator_desc_s2mps11_ldo(23, STEP_25_MV),
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regulator_desc_s2mps11_ldo(24, STEP_50_MV),
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regulator_desc_s2mps11_ldo(25, STEP_50_MV),
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regulator_desc_s2mps11_ldo(26, STEP_50_MV),
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regulator_desc_s2mps11_ldo(27, STEP_25_MV),
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regulator_desc_s2mps11_ldo(28, STEP_50_MV),
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regulator_desc_s2mps11_ldo(29, STEP_50_MV),
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regulator_desc_s2mps11_ldo(30, STEP_50_MV),
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regulator_desc_s2mps11_ldo(31, STEP_50_MV),
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regulator_desc_s2mps11_ldo(32, STEP_50_MV),
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regulator_desc_s2mps11_ldo(33, STEP_50_MV),
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regulator_desc_s2mps11_ldo(34, STEP_50_MV),
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regulator_desc_s2mps11_ldo(35, STEP_25_MV),
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regulator_desc_s2mps11_ldo(36, STEP_50_MV),
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regulator_desc_s2mps11_ldo(37, STEP_50_MV),
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regulator_desc_s2mps11_ldo(38, STEP_50_MV),
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regulator_desc_s2mps11_buck1_4(1),
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regulator_desc_s2mps11_buck1_4(2),
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regulator_desc_s2mps11_buck1_4(3),
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regulator_desc_s2mps11_buck1_4(4),
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regulator_desc_s2mps11_buck5,
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regulator_desc_s2mps11_buck67810(6, MIN_600_MV, STEP_6_25_MV),
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regulator_desc_s2mps11_buck67810(7, MIN_600_MV, STEP_12_5_MV),
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regulator_desc_s2mps11_buck67810(8, MIN_600_MV, STEP_12_5_MV),
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regulator_desc_s2mps11_buck9,
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regulator_desc_s2mps11_buck67810(10, MIN_750_MV, STEP_12_5_MV),
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};
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static const struct regulator_ops s2mps14_reg_ops;
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#define regulator_desc_s2mps13_ldo(num, min, step, min_sel) { \
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.name = "LDO"#num, \
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.id = S2MPS13_LDO##num, \
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.ops = &s2mps14_reg_ops, \
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.type = REGULATOR_VOLTAGE, \
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.owner = THIS_MODULE, \
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.min_uV = min, \
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.uV_step = step, \
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.linear_min_sel = min_sel, \
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.n_voltages = S2MPS14_LDO_N_VOLTAGES, \
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.vsel_reg = S2MPS13_REG_L1CTRL + num - 1, \
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.vsel_mask = S2MPS14_LDO_VSEL_MASK, \
|
|
.enable_reg = S2MPS13_REG_L1CTRL + num - 1, \
|
|
.enable_mask = S2MPS14_ENABLE_MASK \
|
|
}
|
|
|
|
#define regulator_desc_s2mps13_buck(num, min, step, min_sel) { \
|
|
.name = "BUCK"#num, \
|
|
.id = S2MPS13_BUCK##num, \
|
|
.ops = &s2mps14_reg_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = min, \
|
|
.uV_step = step, \
|
|
.linear_min_sel = min_sel, \
|
|
.n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
|
|
.ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \
|
|
.vsel_reg = S2MPS13_REG_B1OUT + (num - 1) * 2, \
|
|
.vsel_mask = S2MPS14_BUCK_VSEL_MASK, \
|
|
.enable_reg = S2MPS13_REG_B1CTRL + (num - 1) * 2, \
|
|
.enable_mask = S2MPS14_ENABLE_MASK \
|
|
}
|
|
|
|
#define regulator_desc_s2mps13_buck7(num, min, step, min_sel) { \
|
|
.name = "BUCK"#num, \
|
|
.id = S2MPS13_BUCK##num, \
|
|
.ops = &s2mps14_reg_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = min, \
|
|
.uV_step = step, \
|
|
.linear_min_sel = min_sel, \
|
|
.n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
|
|
.ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \
|
|
.vsel_reg = S2MPS13_REG_B1OUT + (num) * 2 - 1, \
|
|
.vsel_mask = S2MPS14_BUCK_VSEL_MASK, \
|
|
.enable_reg = S2MPS13_REG_B1CTRL + (num - 1) * 2, \
|
|
.enable_mask = S2MPS14_ENABLE_MASK \
|
|
}
|
|
|
|
#define regulator_desc_s2mps13_buck8_10(num, min, step, min_sel) { \
|
|
.name = "BUCK"#num, \
|
|
.id = S2MPS13_BUCK##num, \
|
|
.ops = &s2mps14_reg_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = min, \
|
|
.uV_step = step, \
|
|
.linear_min_sel = min_sel, \
|
|
.n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
|
|
.ramp_delay = S2MPS13_BUCK_RAMP_DELAY, \
|
|
.vsel_reg = S2MPS13_REG_B1OUT + (num) * 2 - 1, \
|
|
.vsel_mask = S2MPS14_BUCK_VSEL_MASK, \
|
|
.enable_reg = S2MPS13_REG_B1CTRL + (num) * 2 - 1, \
|
|
.enable_mask = S2MPS14_ENABLE_MASK \
|
|
}
|
|
|
|
static const struct regulator_desc s2mps13_regulators[] = {
|
|
regulator_desc_s2mps13_ldo(1, MIN_800_MV, STEP_12_5_MV, 0x00),
|
|
regulator_desc_s2mps13_ldo(2, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(3, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(4, MIN_800_MV, STEP_12_5_MV, 0x00),
|
|
regulator_desc_s2mps13_ldo(5, MIN_800_MV, STEP_12_5_MV, 0x00),
|
|
regulator_desc_s2mps13_ldo(6, MIN_800_MV, STEP_12_5_MV, 0x00),
|
|
regulator_desc_s2mps13_ldo(7, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(8, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(9, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(10, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(11, MIN_800_MV, STEP_25_MV, 0x10),
|
|
regulator_desc_s2mps13_ldo(12, MIN_800_MV, STEP_25_MV, 0x10),
|
|
regulator_desc_s2mps13_ldo(13, MIN_800_MV, STEP_25_MV, 0x10),
|
|
regulator_desc_s2mps13_ldo(14, MIN_800_MV, STEP_12_5_MV, 0x00),
|
|
regulator_desc_s2mps13_ldo(15, MIN_800_MV, STEP_12_5_MV, 0x00),
|
|
regulator_desc_s2mps13_ldo(16, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(17, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(18, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(19, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(20, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(21, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(22, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(23, MIN_800_MV, STEP_12_5_MV, 0x00),
|
|
regulator_desc_s2mps13_ldo(24, MIN_800_MV, STEP_12_5_MV, 0x00),
|
|
regulator_desc_s2mps13_ldo(25, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(26, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(27, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(28, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(29, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(30, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(31, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(32, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(33, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(34, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(35, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(36, MIN_800_MV, STEP_12_5_MV, 0x00),
|
|
regulator_desc_s2mps13_ldo(37, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(38, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_ldo(39, MIN_1000_MV, STEP_25_MV, 0x08),
|
|
regulator_desc_s2mps13_ldo(40, MIN_1400_MV, STEP_50_MV, 0x0C),
|
|
regulator_desc_s2mps13_buck(1, MIN_500_MV, STEP_6_25_MV, 0x10),
|
|
regulator_desc_s2mps13_buck(2, MIN_500_MV, STEP_6_25_MV, 0x10),
|
|
regulator_desc_s2mps13_buck(3, MIN_500_MV, STEP_6_25_MV, 0x10),
|
|
regulator_desc_s2mps13_buck(4, MIN_500_MV, STEP_6_25_MV, 0x10),
|
|
regulator_desc_s2mps13_buck(5, MIN_500_MV, STEP_6_25_MV, 0x10),
|
|
regulator_desc_s2mps13_buck(6, MIN_500_MV, STEP_6_25_MV, 0x10),
|
|
regulator_desc_s2mps13_buck7(7, MIN_500_MV, STEP_6_25_MV, 0x10),
|
|
regulator_desc_s2mps13_buck8_10(8, MIN_1000_MV, STEP_12_5_MV, 0x20),
|
|
regulator_desc_s2mps13_buck8_10(9, MIN_1000_MV, STEP_12_5_MV, 0x20),
|
|
regulator_desc_s2mps13_buck8_10(10, MIN_500_MV, STEP_6_25_MV, 0x10),
|
|
};
|
|
|
|
static int s2mps14_regulator_enable(struct regulator_dev *rdev)
|
|
{
|
|
struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
|
|
unsigned int val;
|
|
|
|
switch (s2mps11->dev_type) {
|
|
case S2MPS13X:
|
|
case S2MPS14X:
|
|
if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state))
|
|
val = S2MPS14_ENABLE_SUSPEND;
|
|
else if (s2mps11->ext_control_gpiod[rdev_get_id(rdev)])
|
|
val = S2MPS14_ENABLE_EXT_CONTROL;
|
|
else
|
|
val = rdev->desc->enable_mask;
|
|
break;
|
|
case S2MPU02:
|
|
if (test_bit(rdev_get_id(rdev), s2mps11->suspend_state))
|
|
val = S2MPU02_ENABLE_SUSPEND;
|
|
else
|
|
val = rdev->desc->enable_mask;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
|
|
rdev->desc->enable_mask, val);
|
|
}
|
|
|
|
static int s2mps14_regulator_set_suspend_disable(struct regulator_dev *rdev)
|
|
{
|
|
int ret;
|
|
unsigned int val, state;
|
|
struct s2mps11_info *s2mps11 = rdev_get_drvdata(rdev);
|
|
int rdev_id = rdev_get_id(rdev);
|
|
|
|
/* Below LDO should be always on or does not support suspend mode. */
|
|
switch (s2mps11->dev_type) {
|
|
case S2MPS13X:
|
|
case S2MPS14X:
|
|
switch (rdev_id) {
|
|
case S2MPS14_LDO3:
|
|
return 0;
|
|
default:
|
|
state = S2MPS14_ENABLE_SUSPEND;
|
|
break;
|
|
}
|
|
break;
|
|
case S2MPU02:
|
|
switch (rdev_id) {
|
|
case S2MPU02_LDO13:
|
|
case S2MPU02_LDO14:
|
|
case S2MPU02_LDO15:
|
|
case S2MPU02_LDO17:
|
|
case S2MPU02_BUCK7:
|
|
state = S2MPU02_DISABLE_SUSPEND;
|
|
break;
|
|
default:
|
|
state = S2MPU02_ENABLE_SUSPEND;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
set_bit(rdev_get_id(rdev), s2mps11->suspend_state);
|
|
/*
|
|
* Don't enable suspend mode if regulator is already disabled because
|
|
* this would effectively for a short time turn on the regulator after
|
|
* resuming.
|
|
* However we still want to toggle the suspend_state bit for regulator
|
|
* in case if it got enabled before suspending the system.
|
|
*/
|
|
if (!(val & rdev->desc->enable_mask))
|
|
return 0;
|
|
|
|
return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
|
|
rdev->desc->enable_mask, state);
|
|
}
|
|
|
|
static const 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 = s2mps14_regulator_enable,
|
|
.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,
|
|
.set_suspend_disable = s2mps14_regulator_set_suspend_disable,
|
|
};
|
|
|
|
#define regulator_desc_s2mps14_ldo(num, min, step) { \
|
|
.name = "LDO"#num, \
|
|
.id = S2MPS14_LDO##num, \
|
|
.ops = &s2mps14_reg_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = min, \
|
|
.uV_step = step, \
|
|
.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_buck(num, min, step, min_sel) { \
|
|
.name = "BUCK"#num, \
|
|
.id = S2MPS14_BUCK##num, \
|
|
.ops = &s2mps14_reg_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = min, \
|
|
.uV_step = step, \
|
|
.n_voltages = S2MPS14_BUCK_N_VOLTAGES, \
|
|
.linear_min_sel = min_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[] = {
|
|
regulator_desc_s2mps14_ldo(1, MIN_800_MV, STEP_12_5_MV),
|
|
regulator_desc_s2mps14_ldo(2, MIN_800_MV, STEP_12_5_MV),
|
|
regulator_desc_s2mps14_ldo(3, MIN_800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(4, MIN_800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(5, MIN_800_MV, STEP_12_5_MV),
|
|
regulator_desc_s2mps14_ldo(6, MIN_800_MV, STEP_12_5_MV),
|
|
regulator_desc_s2mps14_ldo(7, MIN_800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(8, MIN_1800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(9, MIN_800_MV, STEP_12_5_MV),
|
|
regulator_desc_s2mps14_ldo(10, MIN_800_MV, STEP_12_5_MV),
|
|
regulator_desc_s2mps14_ldo(11, MIN_800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(12, MIN_1800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(13, MIN_1800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(14, MIN_1800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(15, MIN_1800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(16, MIN_1800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(17, MIN_1800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(18, MIN_1800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(19, MIN_800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(20, MIN_800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(21, MIN_800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(22, MIN_800_MV, STEP_12_5_MV),
|
|
regulator_desc_s2mps14_ldo(23, MIN_800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(24, MIN_1800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_ldo(25, MIN_1800_MV, STEP_25_MV),
|
|
regulator_desc_s2mps14_buck(1, MIN_600_MV, STEP_6_25_MV,
|
|
S2MPS14_BUCK1235_START_SEL),
|
|
regulator_desc_s2mps14_buck(2, MIN_600_MV, STEP_6_25_MV,
|
|
S2MPS14_BUCK1235_START_SEL),
|
|
regulator_desc_s2mps14_buck(3, MIN_600_MV, STEP_6_25_MV,
|
|
S2MPS14_BUCK1235_START_SEL),
|
|
regulator_desc_s2mps14_buck(4, MIN_1400_MV, STEP_12_5_MV,
|
|
S2MPS14_BUCK4_START_SEL),
|
|
regulator_desc_s2mps14_buck(5, MIN_600_MV, STEP_6_25_MV,
|
|
S2MPS14_BUCK1235_START_SEL),
|
|
};
|
|
|
|
static const struct regulator_ops s2mps15_reg_ldo_ops = {
|
|
.list_voltage = regulator_list_voltage_linear_range,
|
|
.map_voltage = regulator_map_voltage_linear_range,
|
|
.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,
|
|
};
|
|
|
|
static const struct regulator_ops s2mps15_reg_buck_ops = {
|
|
.list_voltage = regulator_list_voltage_linear_range,
|
|
.map_voltage = regulator_map_voltage_linear_range,
|
|
.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_s2mps15_ldo(num, range) { \
|
|
.name = "LDO"#num, \
|
|
.id = S2MPS15_LDO##num, \
|
|
.ops = &s2mps15_reg_ldo_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.linear_ranges = range, \
|
|
.n_linear_ranges = ARRAY_SIZE(range), \
|
|
.n_voltages = S2MPS15_LDO_N_VOLTAGES, \
|
|
.vsel_reg = S2MPS15_REG_L1CTRL + num - 1, \
|
|
.vsel_mask = S2MPS15_LDO_VSEL_MASK, \
|
|
.enable_reg = S2MPS15_REG_L1CTRL + num - 1, \
|
|
.enable_mask = S2MPS15_ENABLE_MASK \
|
|
}
|
|
|
|
#define regulator_desc_s2mps15_buck(num, range) { \
|
|
.name = "BUCK"#num, \
|
|
.id = S2MPS15_BUCK##num, \
|
|
.ops = &s2mps15_reg_buck_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.linear_ranges = range, \
|
|
.n_linear_ranges = ARRAY_SIZE(range), \
|
|
.ramp_delay = 12500, \
|
|
.n_voltages = S2MPS15_BUCK_N_VOLTAGES, \
|
|
.vsel_reg = S2MPS15_REG_B1CTRL2 + ((num - 1) * 2), \
|
|
.vsel_mask = S2MPS15_BUCK_VSEL_MASK, \
|
|
.enable_reg = S2MPS15_REG_B1CTRL1 + ((num - 1) * 2), \
|
|
.enable_mask = S2MPS15_ENABLE_MASK \
|
|
}
|
|
|
|
/* voltage range for s2mps15 LDO 3, 5, 15, 16, 18, 20, 23 and 27 */
|
|
static const struct regulator_linear_range s2mps15_ldo_voltage_ranges1[] = {
|
|
REGULATOR_LINEAR_RANGE(1000000, 0xc, 0x38, 25000),
|
|
};
|
|
|
|
/* voltage range for s2mps15 LDO 2, 6, 14, 17, 19, 21, 24 and 25 */
|
|
static const struct regulator_linear_range s2mps15_ldo_voltage_ranges2[] = {
|
|
REGULATOR_LINEAR_RANGE(1800000, 0x0, 0x3f, 25000),
|
|
};
|
|
|
|
/* voltage range for s2mps15 LDO 4, 11, 12, 13, 22 and 26 */
|
|
static const struct regulator_linear_range s2mps15_ldo_voltage_ranges3[] = {
|
|
REGULATOR_LINEAR_RANGE(700000, 0x0, 0x34, 12500),
|
|
};
|
|
|
|
/* voltage range for s2mps15 LDO 7, 8, 9 and 10 */
|
|
static const struct regulator_linear_range s2mps15_ldo_voltage_ranges4[] = {
|
|
REGULATOR_LINEAR_RANGE(700000, 0x10, 0x20, 25000),
|
|
};
|
|
|
|
/* voltage range for s2mps15 LDO 1 */
|
|
static const struct regulator_linear_range s2mps15_ldo_voltage_ranges5[] = {
|
|
REGULATOR_LINEAR_RANGE(500000, 0x0, 0x20, 12500),
|
|
};
|
|
|
|
/* voltage range for s2mps15 BUCK 1, 2, 3, 4, 5, 6 and 7 */
|
|
static const struct regulator_linear_range s2mps15_buck_voltage_ranges1[] = {
|
|
REGULATOR_LINEAR_RANGE(500000, 0x20, 0xc0, 6250),
|
|
};
|
|
|
|
/* voltage range for s2mps15 BUCK 8, 9 and 10 */
|
|
static const struct regulator_linear_range s2mps15_buck_voltage_ranges2[] = {
|
|
REGULATOR_LINEAR_RANGE(1000000, 0x20, 0x78, 12500),
|
|
};
|
|
|
|
static const struct regulator_desc s2mps15_regulators[] = {
|
|
regulator_desc_s2mps15_ldo(1, s2mps15_ldo_voltage_ranges5),
|
|
regulator_desc_s2mps15_ldo(2, s2mps15_ldo_voltage_ranges2),
|
|
regulator_desc_s2mps15_ldo(3, s2mps15_ldo_voltage_ranges1),
|
|
regulator_desc_s2mps15_ldo(4, s2mps15_ldo_voltage_ranges3),
|
|
regulator_desc_s2mps15_ldo(5, s2mps15_ldo_voltage_ranges1),
|
|
regulator_desc_s2mps15_ldo(6, s2mps15_ldo_voltage_ranges2),
|
|
regulator_desc_s2mps15_ldo(7, s2mps15_ldo_voltage_ranges4),
|
|
regulator_desc_s2mps15_ldo(8, s2mps15_ldo_voltage_ranges4),
|
|
regulator_desc_s2mps15_ldo(9, s2mps15_ldo_voltage_ranges4),
|
|
regulator_desc_s2mps15_ldo(10, s2mps15_ldo_voltage_ranges4),
|
|
regulator_desc_s2mps15_ldo(11, s2mps15_ldo_voltage_ranges3),
|
|
regulator_desc_s2mps15_ldo(12, s2mps15_ldo_voltage_ranges3),
|
|
regulator_desc_s2mps15_ldo(13, s2mps15_ldo_voltage_ranges3),
|
|
regulator_desc_s2mps15_ldo(14, s2mps15_ldo_voltage_ranges2),
|
|
regulator_desc_s2mps15_ldo(15, s2mps15_ldo_voltage_ranges1),
|
|
regulator_desc_s2mps15_ldo(16, s2mps15_ldo_voltage_ranges1),
|
|
regulator_desc_s2mps15_ldo(17, s2mps15_ldo_voltage_ranges2),
|
|
regulator_desc_s2mps15_ldo(18, s2mps15_ldo_voltage_ranges1),
|
|
regulator_desc_s2mps15_ldo(19, s2mps15_ldo_voltage_ranges2),
|
|
regulator_desc_s2mps15_ldo(20, s2mps15_ldo_voltage_ranges1),
|
|
regulator_desc_s2mps15_ldo(21, s2mps15_ldo_voltage_ranges2),
|
|
regulator_desc_s2mps15_ldo(22, s2mps15_ldo_voltage_ranges3),
|
|
regulator_desc_s2mps15_ldo(23, s2mps15_ldo_voltage_ranges1),
|
|
regulator_desc_s2mps15_ldo(24, s2mps15_ldo_voltage_ranges2),
|
|
regulator_desc_s2mps15_ldo(25, s2mps15_ldo_voltage_ranges2),
|
|
regulator_desc_s2mps15_ldo(26, s2mps15_ldo_voltage_ranges3),
|
|
regulator_desc_s2mps15_ldo(27, s2mps15_ldo_voltage_ranges1),
|
|
regulator_desc_s2mps15_buck(1, s2mps15_buck_voltage_ranges1),
|
|
regulator_desc_s2mps15_buck(2, s2mps15_buck_voltage_ranges1),
|
|
regulator_desc_s2mps15_buck(3, s2mps15_buck_voltage_ranges1),
|
|
regulator_desc_s2mps15_buck(4, s2mps15_buck_voltage_ranges1),
|
|
regulator_desc_s2mps15_buck(5, s2mps15_buck_voltage_ranges1),
|
|
regulator_desc_s2mps15_buck(6, s2mps15_buck_voltage_ranges1),
|
|
regulator_desc_s2mps15_buck(7, s2mps15_buck_voltage_ranges1),
|
|
regulator_desc_s2mps15_buck(8, s2mps15_buck_voltage_ranges2),
|
|
regulator_desc_s2mps15_buck(9, s2mps15_buck_voltage_ranges2),
|
|
regulator_desc_s2mps15_buck(10, s2mps15_buck_voltage_ranges2),
|
|
};
|
|
|
|
static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11,
|
|
struct regulator_dev *rdev)
|
|
{
|
|
return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg,
|
|
rdev->desc->enable_mask, S2MPS14_ENABLE_EXT_CONTROL);
|
|
}
|
|
|
|
static void s2mps14_pmic_dt_parse_ext_control_gpio(struct platform_device *pdev,
|
|
struct of_regulator_match *rdata, struct s2mps11_info *s2mps11)
|
|
{
|
|
struct gpio_desc **gpio = s2mps11->ext_control_gpiod;
|
|
unsigned int i;
|
|
unsigned int valid_regulators[3] = { S2MPS14_LDO10, S2MPS14_LDO11,
|
|
S2MPS14_LDO12 };
|
|
|
|
for (i = 0; i < ARRAY_SIZE(valid_regulators); i++) {
|
|
unsigned int reg = valid_regulators[i];
|
|
|
|
if (!rdata[reg].init_data || !rdata[reg].of_node)
|
|
continue;
|
|
|
|
gpio[reg] = devm_gpiod_get_from_of_node(&pdev->dev,
|
|
rdata[reg].of_node,
|
|
"samsung,ext-control-gpios",
|
|
0,
|
|
GPIOD_OUT_HIGH | GPIOD_FLAGS_BIT_NONEXCLUSIVE,
|
|
"s2mps11-regulator");
|
|
if (IS_ERR(gpio[reg])) {
|
|
dev_err(&pdev->dev, "Failed to get control GPIO for %d/%s\n",
|
|
reg, rdata[reg].name);
|
|
continue;
|
|
}
|
|
if (gpio[reg])
|
|
dev_dbg(&pdev->dev, "Using GPIO for ext-control over %d/%s\n",
|
|
reg, rdata[reg].name);
|
|
}
|
|
}
|
|
|
|
static int s2mps11_pmic_dt_parse(struct platform_device *pdev,
|
|
struct of_regulator_match *rdata, struct s2mps11_info *s2mps11,
|
|
unsigned int rdev_num)
|
|
{
|
|
struct device_node *reg_np;
|
|
|
|
reg_np = of_get_child_by_name(pdev->dev.parent->of_node, "regulators");
|
|
if (!reg_np) {
|
|
dev_err(&pdev->dev, "could not find regulators sub-node\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
of_regulator_match(&pdev->dev, reg_np, rdata, rdev_num);
|
|
if (s2mps11->dev_type == S2MPS14X)
|
|
s2mps14_pmic_dt_parse_ext_control_gpio(pdev, rdata, s2mps11);
|
|
|
|
of_node_put(reg_np);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
|
|
{
|
|
unsigned int ramp_val, ramp_shift, ramp_reg;
|
|
|
|
switch (rdev_get_id(rdev)) {
|
|
case S2MPU02_BUCK1:
|
|
ramp_shift = S2MPU02_BUCK1_RAMP_SHIFT;
|
|
break;
|
|
case S2MPU02_BUCK2:
|
|
ramp_shift = S2MPU02_BUCK2_RAMP_SHIFT;
|
|
break;
|
|
case S2MPU02_BUCK3:
|
|
ramp_shift = S2MPU02_BUCK3_RAMP_SHIFT;
|
|
break;
|
|
case S2MPU02_BUCK4:
|
|
ramp_shift = S2MPU02_BUCK4_RAMP_SHIFT;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
ramp_reg = S2MPU02_REG_RAMP1;
|
|
ramp_val = get_ramp_delay(ramp_delay);
|
|
|
|
return regmap_update_bits(rdev->regmap, ramp_reg,
|
|
S2MPU02_BUCK1234_RAMP_MASK << ramp_shift,
|
|
ramp_val << ramp_shift);
|
|
}
|
|
|
|
static const struct regulator_ops s2mpu02_ldo_ops = {
|
|
.list_voltage = regulator_list_voltage_linear,
|
|
.map_voltage = regulator_map_voltage_linear,
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
.enable = s2mps14_regulator_enable,
|
|
.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,
|
|
.set_suspend_disable = s2mps14_regulator_set_suspend_disable,
|
|
};
|
|
|
|
static const struct regulator_ops s2mpu02_buck_ops = {
|
|
.list_voltage = regulator_list_voltage_linear,
|
|
.map_voltage = regulator_map_voltage_linear,
|
|
.is_enabled = regulator_is_enabled_regmap,
|
|
.enable = s2mps14_regulator_enable,
|
|
.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,
|
|
.set_suspend_disable = s2mps14_regulator_set_suspend_disable,
|
|
.set_ramp_delay = s2mpu02_set_ramp_delay,
|
|
};
|
|
|
|
#define regulator_desc_s2mpu02_ldo1(num) { \
|
|
.name = "LDO"#num, \
|
|
.id = S2MPU02_LDO##num, \
|
|
.ops = &s2mpu02_ldo_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = S2MPU02_LDO_MIN_900MV, \
|
|
.uV_step = S2MPU02_LDO_STEP_12_5MV, \
|
|
.linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \
|
|
.n_voltages = S2MPU02_LDO_N_VOLTAGES, \
|
|
.vsel_reg = S2MPU02_REG_L1CTRL, \
|
|
.vsel_mask = S2MPU02_LDO_VSEL_MASK, \
|
|
.enable_reg = S2MPU02_REG_L1CTRL, \
|
|
.enable_mask = S2MPU02_ENABLE_MASK \
|
|
}
|
|
#define regulator_desc_s2mpu02_ldo2(num) { \
|
|
.name = "LDO"#num, \
|
|
.id = S2MPU02_LDO##num, \
|
|
.ops = &s2mpu02_ldo_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = S2MPU02_LDO_MIN_1050MV, \
|
|
.uV_step = S2MPU02_LDO_STEP_25MV, \
|
|
.linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \
|
|
.n_voltages = S2MPU02_LDO_N_VOLTAGES, \
|
|
.vsel_reg = S2MPU02_REG_L2CTRL1, \
|
|
.vsel_mask = S2MPU02_LDO_VSEL_MASK, \
|
|
.enable_reg = S2MPU02_REG_L2CTRL1, \
|
|
.enable_mask = S2MPU02_ENABLE_MASK \
|
|
}
|
|
#define regulator_desc_s2mpu02_ldo3(num) { \
|
|
.name = "LDO"#num, \
|
|
.id = S2MPU02_LDO##num, \
|
|
.ops = &s2mpu02_ldo_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = S2MPU02_LDO_MIN_900MV, \
|
|
.uV_step = S2MPU02_LDO_STEP_12_5MV, \
|
|
.linear_min_sel = S2MPU02_LDO_GROUP1_START_SEL, \
|
|
.n_voltages = S2MPU02_LDO_N_VOLTAGES, \
|
|
.vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \
|
|
.vsel_mask = S2MPU02_LDO_VSEL_MASK, \
|
|
.enable_reg = S2MPU02_REG_L3CTRL + num - 3, \
|
|
.enable_mask = S2MPU02_ENABLE_MASK \
|
|
}
|
|
#define regulator_desc_s2mpu02_ldo4(num) { \
|
|
.name = "LDO"#num, \
|
|
.id = S2MPU02_LDO##num, \
|
|
.ops = &s2mpu02_ldo_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = S2MPU02_LDO_MIN_1050MV, \
|
|
.uV_step = S2MPU02_LDO_STEP_25MV, \
|
|
.linear_min_sel = S2MPU02_LDO_GROUP2_START_SEL, \
|
|
.n_voltages = S2MPU02_LDO_N_VOLTAGES, \
|
|
.vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \
|
|
.vsel_mask = S2MPU02_LDO_VSEL_MASK, \
|
|
.enable_reg = S2MPU02_REG_L3CTRL + num - 3, \
|
|
.enable_mask = S2MPU02_ENABLE_MASK \
|
|
}
|
|
#define regulator_desc_s2mpu02_ldo5(num) { \
|
|
.name = "LDO"#num, \
|
|
.id = S2MPU02_LDO##num, \
|
|
.ops = &s2mpu02_ldo_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = S2MPU02_LDO_MIN_1600MV, \
|
|
.uV_step = S2MPU02_LDO_STEP_50MV, \
|
|
.linear_min_sel = S2MPU02_LDO_GROUP3_START_SEL, \
|
|
.n_voltages = S2MPU02_LDO_N_VOLTAGES, \
|
|
.vsel_reg = S2MPU02_REG_L3CTRL + num - 3, \
|
|
.vsel_mask = S2MPU02_LDO_VSEL_MASK, \
|
|
.enable_reg = S2MPU02_REG_L3CTRL + num - 3, \
|
|
.enable_mask = S2MPU02_ENABLE_MASK \
|
|
}
|
|
|
|
#define regulator_desc_s2mpu02_buck1234(num) { \
|
|
.name = "BUCK"#num, \
|
|
.id = S2MPU02_BUCK##num, \
|
|
.ops = &s2mpu02_buck_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = S2MPU02_BUCK1234_MIN_600MV, \
|
|
.uV_step = S2MPU02_BUCK1234_STEP_6_25MV, \
|
|
.n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
|
|
.linear_min_sel = S2MPU02_BUCK1234_START_SEL, \
|
|
.ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
|
|
.vsel_reg = S2MPU02_REG_B1CTRL2 + (num - 1) * 2, \
|
|
.vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
|
|
.enable_reg = S2MPU02_REG_B1CTRL1 + (num - 1) * 2, \
|
|
.enable_mask = S2MPU02_ENABLE_MASK \
|
|
}
|
|
#define regulator_desc_s2mpu02_buck5(num) { \
|
|
.name = "BUCK"#num, \
|
|
.id = S2MPU02_BUCK##num, \
|
|
.ops = &s2mpu02_ldo_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = S2MPU02_BUCK5_MIN_1081_25MV, \
|
|
.uV_step = S2MPU02_BUCK5_STEP_6_25MV, \
|
|
.n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
|
|
.linear_min_sel = S2MPU02_BUCK5_START_SEL, \
|
|
.ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
|
|
.vsel_reg = S2MPU02_REG_B5CTRL2, \
|
|
.vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
|
|
.enable_reg = S2MPU02_REG_B5CTRL1, \
|
|
.enable_mask = S2MPU02_ENABLE_MASK \
|
|
}
|
|
#define regulator_desc_s2mpu02_buck6(num) { \
|
|
.name = "BUCK"#num, \
|
|
.id = S2MPU02_BUCK##num, \
|
|
.ops = &s2mpu02_ldo_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = S2MPU02_BUCK6_MIN_1700MV, \
|
|
.uV_step = S2MPU02_BUCK6_STEP_2_50MV, \
|
|
.n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
|
|
.linear_min_sel = S2MPU02_BUCK6_START_SEL, \
|
|
.ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
|
|
.vsel_reg = S2MPU02_REG_B6CTRL2, \
|
|
.vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
|
|
.enable_reg = S2MPU02_REG_B6CTRL1, \
|
|
.enable_mask = S2MPU02_ENABLE_MASK \
|
|
}
|
|
#define regulator_desc_s2mpu02_buck7(num) { \
|
|
.name = "BUCK"#num, \
|
|
.id = S2MPU02_BUCK##num, \
|
|
.ops = &s2mpu02_ldo_ops, \
|
|
.type = REGULATOR_VOLTAGE, \
|
|
.owner = THIS_MODULE, \
|
|
.min_uV = S2MPU02_BUCK7_MIN_900MV, \
|
|
.uV_step = S2MPU02_BUCK7_STEP_6_25MV, \
|
|
.n_voltages = S2MPU02_BUCK_N_VOLTAGES, \
|
|
.linear_min_sel = S2MPU02_BUCK7_START_SEL, \
|
|
.ramp_delay = S2MPU02_BUCK_RAMP_DELAY, \
|
|
.vsel_reg = S2MPU02_REG_B7CTRL2, \
|
|
.vsel_mask = S2MPU02_BUCK_VSEL_MASK, \
|
|
.enable_reg = S2MPU02_REG_B7CTRL1, \
|
|
.enable_mask = S2MPU02_ENABLE_MASK \
|
|
}
|
|
|
|
static const struct regulator_desc s2mpu02_regulators[] = {
|
|
regulator_desc_s2mpu02_ldo1(1),
|
|
regulator_desc_s2mpu02_ldo2(2),
|
|
regulator_desc_s2mpu02_ldo4(3),
|
|
regulator_desc_s2mpu02_ldo5(4),
|
|
regulator_desc_s2mpu02_ldo4(5),
|
|
regulator_desc_s2mpu02_ldo3(6),
|
|
regulator_desc_s2mpu02_ldo3(7),
|
|
regulator_desc_s2mpu02_ldo4(8),
|
|
regulator_desc_s2mpu02_ldo5(9),
|
|
regulator_desc_s2mpu02_ldo3(10),
|
|
regulator_desc_s2mpu02_ldo4(11),
|
|
regulator_desc_s2mpu02_ldo5(12),
|
|
regulator_desc_s2mpu02_ldo5(13),
|
|
regulator_desc_s2mpu02_ldo5(14),
|
|
regulator_desc_s2mpu02_ldo5(15),
|
|
regulator_desc_s2mpu02_ldo5(16),
|
|
regulator_desc_s2mpu02_ldo4(17),
|
|
regulator_desc_s2mpu02_ldo5(18),
|
|
regulator_desc_s2mpu02_ldo3(19),
|
|
regulator_desc_s2mpu02_ldo4(20),
|
|
regulator_desc_s2mpu02_ldo5(21),
|
|
regulator_desc_s2mpu02_ldo5(22),
|
|
regulator_desc_s2mpu02_ldo5(23),
|
|
regulator_desc_s2mpu02_ldo4(24),
|
|
regulator_desc_s2mpu02_ldo5(25),
|
|
regulator_desc_s2mpu02_ldo4(26),
|
|
regulator_desc_s2mpu02_ldo5(27),
|
|
regulator_desc_s2mpu02_ldo5(28),
|
|
regulator_desc_s2mpu02_buck1234(1),
|
|
regulator_desc_s2mpu02_buck1234(2),
|
|
regulator_desc_s2mpu02_buck1234(3),
|
|
regulator_desc_s2mpu02_buck1234(4),
|
|
regulator_desc_s2mpu02_buck5(5),
|
|
regulator_desc_s2mpu02_buck6(6),
|
|
regulator_desc_s2mpu02_buck7(7),
|
|
};
|
|
|
|
static int s2mps11_pmic_probe(struct platform_device *pdev)
|
|
{
|
|
struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
|
|
struct sec_platform_data *pdata = NULL;
|
|
struct of_regulator_match *rdata = NULL;
|
|
struct regulator_config config = { };
|
|
struct s2mps11_info *s2mps11;
|
|
unsigned int rdev_num = 0;
|
|
int i, ret = 0;
|
|
const struct regulator_desc *regulators;
|
|
|
|
s2mps11 = devm_kzalloc(&pdev->dev, sizeof(struct s2mps11_info),
|
|
GFP_KERNEL);
|
|
if (!s2mps11)
|
|
return -ENOMEM;
|
|
|
|
s2mps11->dev_type = platform_get_device_id(pdev)->driver_data;
|
|
switch (s2mps11->dev_type) {
|
|
case S2MPS11X:
|
|
rdev_num = ARRAY_SIZE(s2mps11_regulators);
|
|
regulators = s2mps11_regulators;
|
|
BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps11_regulators));
|
|
break;
|
|
case S2MPS13X:
|
|
rdev_num = ARRAY_SIZE(s2mps13_regulators);
|
|
regulators = s2mps13_regulators;
|
|
BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps13_regulators));
|
|
break;
|
|
case S2MPS14X:
|
|
rdev_num = ARRAY_SIZE(s2mps14_regulators);
|
|
regulators = s2mps14_regulators;
|
|
BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps14_regulators));
|
|
break;
|
|
case S2MPS15X:
|
|
rdev_num = ARRAY_SIZE(s2mps15_regulators);
|
|
regulators = s2mps15_regulators;
|
|
BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mps15_regulators));
|
|
break;
|
|
case S2MPU02:
|
|
rdev_num = ARRAY_SIZE(s2mpu02_regulators);
|
|
regulators = s2mpu02_regulators;
|
|
BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu02_regulators));
|
|
break;
|
|
default:
|
|
dev_err(&pdev->dev, "Invalid device type: %u\n",
|
|
s2mps11->dev_type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
s2mps11->ext_control_gpiod = devm_kcalloc(&pdev->dev, rdev_num,
|
|
sizeof(*s2mps11->ext_control_gpiod), GFP_KERNEL);
|
|
if (!s2mps11->ext_control_gpiod)
|
|
return -ENOMEM;
|
|
|
|
if (!iodev->dev->of_node) {
|
|
if (iodev->pdata) {
|
|
pdata = iodev->pdata;
|
|
goto common_reg;
|
|
} else {
|
|
dev_err(pdev->dev.parent,
|
|
"Platform data or DT node not supplied\n");
|
|
return -ENODEV;
|
|
}
|
|
}
|
|
|
|
rdata = kcalloc(rdev_num, sizeof(*rdata), GFP_KERNEL);
|
|
if (!rdata)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < rdev_num; i++)
|
|
rdata[i].name = regulators[i].name;
|
|
|
|
ret = s2mps11_pmic_dt_parse(pdev, rdata, s2mps11, rdev_num);
|
|
if (ret)
|
|
goto out;
|
|
|
|
common_reg:
|
|
platform_set_drvdata(pdev, s2mps11);
|
|
|
|
config.dev = &pdev->dev;
|
|
config.regmap = iodev->regmap_pmic;
|
|
config.driver_data = s2mps11;
|
|
for (i = 0; i < rdev_num; i++) {
|
|
struct regulator_dev *regulator;
|
|
|
|
if (pdata) {
|
|
config.init_data = pdata->regulators[i].initdata;
|
|
config.of_node = pdata->regulators[i].reg_node;
|
|
} else {
|
|
config.init_data = rdata[i].init_data;
|
|
config.of_node = rdata[i].of_node;
|
|
}
|
|
config.ena_gpiod = s2mps11->ext_control_gpiod[i];
|
|
/*
|
|
* Hand the GPIO descriptor management over to the regulator
|
|
* core, remove it from devres management.
|
|
*/
|
|
if (config.ena_gpiod)
|
|
devm_gpiod_unhinge(&pdev->dev, config.ena_gpiod);
|
|
regulator = devm_regulator_register(&pdev->dev,
|
|
®ulators[i], &config);
|
|
if (IS_ERR(regulator)) {
|
|
ret = PTR_ERR(regulator);
|
|
dev_err(&pdev->dev, "regulator init failed for %d\n",
|
|
i);
|
|
goto out;
|
|
}
|
|
|
|
if (s2mps11->ext_control_gpiod[i]) {
|
|
ret = s2mps14_pmic_enable_ext_control(s2mps11,
|
|
regulator);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev,
|
|
"failed to enable GPIO control over %s: %d\n",
|
|
regulator->desc->name, ret);
|
|
goto out;
|
|
}
|
|
}
|
|
}
|
|
|
|
out:
|
|
kfree(rdata);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct platform_device_id s2mps11_pmic_id[] = {
|
|
{ "s2mps11-regulator", S2MPS11X},
|
|
{ "s2mps13-regulator", S2MPS13X},
|
|
{ "s2mps14-regulator", S2MPS14X},
|
|
{ "s2mps15-regulator", S2MPS15X},
|
|
{ "s2mpu02-regulator", S2MPU02},
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id);
|
|
|
|
static struct platform_driver s2mps11_pmic_driver = {
|
|
.driver = {
|
|
.name = "s2mps11-pmic",
|
|
},
|
|
.probe = s2mps11_pmic_probe,
|
|
.id_table = s2mps11_pmic_id,
|
|
};
|
|
|
|
module_platform_driver(s2mps11_pmic_driver);
|
|
|
|
/* Module information */
|
|
MODULE_AUTHOR("Sangbeom Kim <sbkim73@samsung.com>");
|
|
MODULE_DESCRIPTION("SAMSUNG S2MPS11/S2MPS14/S2MPS15/S2MPU02 Regulator Driver");
|
|
MODULE_LICENSE("GPL");
|