1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/mfd/rohm-bd957x.h>
11 #include <linux/mfd/rohm-generic.h>
47 	const struct regulator_desc *desc = rdev->desc;  in bd957x_vout34_list_voltage()
48 	int multiplier = selector & desc->vsel_mask & 0x7f;  in bd957x_vout34_list_voltage()
55 		return desc->fixed_uV - tune;  in bd957x_vout34_list_voltage()
57 	return desc->fixed_uV + tune;  in bd957x_vout34_list_voltage()
63 	const struct regulator_desc *desc = rdev->desc;  in bd957x_list_voltage()
64 	int index = selector & desc->vsel_mask & 0x7f;  in bd957x_list_voltage()
67 		index += desc->n_voltages/2;  in bd957x_list_voltage()
69 	if (index >= desc->n_voltages)  in bd957x_list_voltage()
70 		return -EINVAL;  in bd957x_list_voltage()
72 	return desc->volt_table[index];  in bd957x_list_voltage()
95 			.of_match = of_match_ptr("regulator-vd50"),
114 			.of_match = of_match_ptr("regulator-vd18"),
133 			.of_match = of_match_ptr("regulator-vdddr"),
151 			.of_match = of_match_ptr("regulator-vd10"),
170 			.of_match = of_match_ptr("regulator-voutl1"),
189 			.of_match = of_match_ptr("regulator-vouts1"),
213 	enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data;  in bd957x_probe()
215 	regmap = dev_get_regmap(pdev->dev.parent, NULL);  in bd957x_probe()
217 		dev_err(&pdev->dev, "No regmap\n");  in bd957x_probe()
218 		return -EINVAL;  in bd957x_probe()
220 	vout_mode = of_property_read_bool(pdev->dev.parent->of_node,  in bd957x_probe()
221 					 "rohm,vout1-en-low");  in bd957x_probe()
223 		struct gpio_desc *en;  in bd957x_probe()  local
225 		dev_dbg(&pdev->dev, "GPIO controlled mode\n");  in bd957x_probe()
229 		en = devm_gpiod_get_from_of_node(&pdev->dev,  in bd957x_probe()
230 						 pdev->dev.parent->of_node,  in bd957x_probe()
231 						 "rohm,vout1-en-gpios", 0,  in bd957x_probe()
232 						 GPIOD_OUT_LOW, "vout1-en");  in bd957x_probe()
233 		if (!IS_ERR(en)) {  in bd957x_probe()
240 			config.ena_gpiod = en;  in bd957x_probe()
244 			 * vout1-en LOW during OTP loading and set VOUT1 to be  in bd957x_probe()
245 			 * controlled by GPIO - but control the GPIO from some  in bd957x_probe()
249 			 * I believe such case where rohm,vout1-en-low is set  in bd957x_probe()
250 			 * and vout1-en-gpios is not is likely to be a  in bd957x_probe()
253 			dev_err(&pdev->dev,  in bd957x_probe()
255 			return PTR_ERR(en);  in bd957x_probe()
262 	 * template. At the moment I see no such use-case so I spare some  in bd957x_probe()
263 	 * bytes and use bd9576_regulators directly for non-constant configs  in bd957x_probe()
266 	ddr_sel =  of_property_read_bool(pdev->dev.parent->of_node,  in bd957x_probe()
267 					 "rohm,ddr-sel-low");  in bd957x_probe()
275 		dev_dbg(&pdev->dev, "Found BD9576MUF\n");  in bd957x_probe()
278 		dev_dbg(&pdev->dev, "Found BD9573MUF\n");  in bd957x_probe()
281 		dev_err(&pdev->dev, "Unsupported chip type\n");  in bd957x_probe()
282 		err = -EINVAL;  in bd957x_probe()
286 	config.dev = pdev->dev.parent;  in bd957x_probe()
296 		desc = &r->desc;  in bd957x_probe()
298 		rdev = devm_regulator_register(&pdev->dev, desc, &config);  in bd957x_probe()
300 			dev_err(&pdev->dev,  in bd957x_probe()
302 				desc->name);  in bd957x_probe()
307 		 * Clear the VOUT1 GPIO setting - rest of the regulators do not  in bd957x_probe()
318 	{ "bd9573-pmic", ROHM_CHIP_TYPE_BD9573 },
319 	{ "bd9576-pmic", ROHM_CHIP_TYPE_BD9576 },
326 		.name = "bd957x-pmic",
337 MODULE_ALIAS("platform:bd957x-pmic");