/*
- * Regulator driver for Rockchip RK808
+ * Regulator driver for Rockchip RK808/RK818
*
* Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
*
* Author: Chris Zhong <zyw@rock-chips.com>
* Author: Zhang Qing <zhangqing@rock-chips.com>
*
+ * Copyright (C) 2016 PHYTEC Messtechnik GmbH
+ *
+ * Author: Wadim Egorov <w.egorov@phytec.de>
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
#define RK808_BUCK4_VSEL_MASK 0xf
#define RK808_LDO_VSEL_MASK 0x1f
+#define RK818_BUCK_VSEL_MASK 0x3f
+#define RK818_BUCK4_VSEL_MASK 0x1f
+#define RK818_LDO_VSEL_MASK 0x1f
+#define RK818_LDO3_ON_VSEL_MASK 0xf
+#define RK818_BOOST_ON_VSEL_MASK 0xe0
+
/* Ramp rate definitions for buck1 / buck2 only */
#define RK808_RAMP_RATE_OFFSET 3
#define RK808_RAMP_RATE_MASK (3 << RK808_RAMP_RATE_OFFSET)
RK808_DCDC_EN_REG, BIT(6)),
};
+static const struct regulator_desc rk818_reg[] = {
+ {
+ .name = "DCDC_REG1",
+ .supply_name = "vcc1",
+ .of_match = of_match_ptr("DCDC_REG1"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = RK818_ID_DCDC1,
+ .ops = &rk808_reg_ops,
+ .type = REGULATOR_VOLTAGE,
+ .min_uV = 712500,
+ .uV_step = 12500,
+ .n_voltages = 64,
+ .vsel_reg = RK818_BUCK1_ON_VSEL_REG,
+ .vsel_mask = RK818_BUCK_VSEL_MASK,
+ .enable_reg = RK818_DCDC_EN_REG,
+ .enable_mask = BIT(0),
+ .owner = THIS_MODULE,
+ }, {
+ .name = "DCDC_REG2",
+ .supply_name = "vcc2",
+ .of_match = of_match_ptr("DCDC_REG2"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = RK818_ID_DCDC2,
+ .ops = &rk808_reg_ops,
+ .type = REGULATOR_VOLTAGE,
+ .min_uV = 712500,
+ .uV_step = 12500,
+ .n_voltages = 64,
+ .vsel_reg = RK818_BUCK2_ON_VSEL_REG,
+ .vsel_mask = RK818_BUCK_VSEL_MASK,
+ .enable_reg = RK818_DCDC_EN_REG,
+ .enable_mask = BIT(1),
+ .owner = THIS_MODULE,
+ }, {
+ .name = "DCDC_REG3",
+ .supply_name = "vcc3",
+ .of_match = of_match_ptr("DCDC_REG3"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = RK818_ID_DCDC3,
+ .ops = &rk808_switch_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 1,
+ .enable_reg = RK818_DCDC_EN_REG,
+ .enable_mask = BIT(2),
+ .owner = THIS_MODULE,
+ },
+ RK8XX_DESC(RK818_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3600, 100,
+ RK818_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK,
+ RK818_DCDC_EN_REG, BIT(3), 0),
+ RK8XX_DESC(RK818_ID_BOOST, "DCDC_BOOST", "boost", 4700, 5400, 100,
+ RK818_BOOST_LDO9_ON_VSEL_REG, RK818_BOOST_ON_VSEL_MASK,
+ RK818_DCDC_EN_REG, BIT(4), 0),
+ RK8XX_DESC(RK818_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100,
+ RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(0), 400),
+ RK8XX_DESC(RK818_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100,
+ RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(1), 400),
+ {
+ .name = "LDO_REG3",
+ .supply_name = "vcc7",
+ .of_match = of_match_ptr("LDO_REG3"),
+ .regulators_node = of_match_ptr("regulators"),
+ .id = RK818_ID_LDO3,
+ .ops = &rk808_reg_ops_ranges,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = 16,
+ .linear_ranges = rk808_ldo3_voltage_ranges,
+ .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges),
+ .vsel_reg = RK818_LDO3_ON_VSEL_REG,
+ .vsel_mask = RK818_LDO3_ON_VSEL_MASK,
+ .enable_reg = RK818_LDO_EN_REG,
+ .enable_mask = BIT(2),
+ .enable_time = 400,
+ .owner = THIS_MODULE,
+ },
+ RK8XX_DESC(RK818_ID_LDO4, "LDO_REG4", "vcc8", 1800, 3400, 100,
+ RK818_LDO4_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(3), 400),
+ RK8XX_DESC(RK818_ID_LDO5, "LDO_REG5", "vcc7", 1800, 3400, 100,
+ RK818_LDO5_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(4), 400),
+ RK8XX_DESC(RK818_ID_LDO6, "LDO_REG6", "vcc8", 800, 2500, 100,
+ RK818_LDO6_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(5), 400),
+ RK8XX_DESC(RK818_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100,
+ RK818_LDO7_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(6), 400),
+ RK8XX_DESC(RK818_ID_LDO8, "LDO_REG8", "vcc8", 1800, 3400, 100,
+ RK818_LDO8_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG,
+ BIT(7), 400),
+ RK8XX_DESC(RK818_ID_LDO9, "LDO_REG9", "vcc9", 1800, 3400, 100,
+ RK818_BOOST_LDO9_ON_VSEL_REG, RK818_LDO_VSEL_MASK,
+ RK818_DCDC_EN_REG, BIT(5), 400),
+ RK8XX_DESC_SWITCH(RK818_ID_SWITCH, "SWITCH_REG", "vcc9",
+ RK818_DCDC_EN_REG, BIT(6)),
+ RK8XX_DESC_SWITCH(RK818_ID_HDMI_SWITCH, "HDMI_SWITCH", "h_5v",
+ RK818_H5V_EN_REG, BIT(0)),
+ RK8XX_DESC_SWITCH(RK818_ID_OTG_SWITCH, "OTG_SWITCH", "usb",
+ RK818_DCDC_EN_REG, BIT(7)),
+};
+
static int rk808_regulator_dt_parse_pdata(struct device *dev,
struct device *client_dev,
struct regmap *map,
struct regulator_config config = {};
struct regulator_dev *rk808_rdev;
struct rk808_regulator_data *pdata;
- int ret, i;
+ const struct regulator_desc *regulators;
+ int ret, i, nregulators;
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
platform_set_drvdata(pdev, pdata);
+ switch (rk808->variant) {
+ case RK808_ID:
+ regulators = rk808_reg;
+ nregulators = RK808_NUM_REGULATORS;
+ break;
+ case RK818_ID:
+ regulators = rk818_reg;
+ nregulators = RK818_NUM_REGULATORS;
+ break;
+ default:
+ dev_err(&client->dev, "unsupported RK8XX ID %lu\n",
+ rk808->variant);
+ return -EINVAL;
+ }
+
config.dev = &client->dev;
config.driver_data = pdata;
config.regmap = rk808->regmap;
/* Instantiate the regulators */
- for (i = 0; i < RK808_NUM_REGULATORS; i++) {
+ for (i = 0; i < nregulators; i++) {
rk808_rdev = devm_regulator_register(&pdev->dev,
- &rk808_reg[i], &config);
+ ®ulators[i], &config);
if (IS_ERR(rk808_rdev)) {
dev_err(&client->dev,
"failed to register %d regulator\n", i);
static struct platform_driver rk808_regulator_driver = {
.probe = rk808_regulator_probe,
.driver = {
- .name = "rk808-regulator",
- .owner = THIS_MODULE,
+ .name = "rk808-regulator"
},
};
module_platform_driver(rk808_regulator_driver);
-MODULE_DESCRIPTION("regulator driver for the rk808 series PMICs");
-MODULE_AUTHOR("Chris Zhong<zyw@rock-chips.com>");
-MODULE_AUTHOR("Zhang Qing<zhangqing@rock-chips.com>");
+MODULE_DESCRIPTION("regulator driver for the RK808/RK818 series PMICs");
+MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
+MODULE_AUTHOR("Zhang Qing <zhangqing@rock-chips.com>");
+MODULE_AUTHOR("Wadim Egorov <w.egorov@phytec.de>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:rk808-regulator");
projects / deliverable / linux.git / commitdiff
