2  * max8660.c  --  Voltage regulation for the Maxim 8660/8661
23  * Datasheet: http://datasheets.maxim-ic.com/en/ds/MAX8660-MAX8661.pdf
46 #include <linux/regulator/max8660.h>
81 struct max8660 {  struct
86 static int max8660_write(struct max8660 *max8660, u8 reg, u8 mask, u8 val)  in max8660_write()  argument
93 	u8 reg_val = (max8660->shadow_regs[reg] & mask) | val;  in max8660_write()
95 	dev_vdbg(&max8660->client->dev, "Writing reg %02x with %02x\n",  in max8660_write()
98 	ret = i2c_smbus_write_byte_data(max8660->client,  in max8660_write()
101 		max8660->shadow_regs[reg] = reg_val;  in max8660_write()
113 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_dcdc_is_enabled()  local
114 	u8 val = max8660->shadow_regs[MAX8660_OVER1];  in max8660_dcdc_is_enabled()
122 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_dcdc_enable()  local
125 	return max8660_write(max8660, MAX8660_OVER1, 0xff, bit);  in max8660_dcdc_enable()
130 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_dcdc_disable()  local
133 	return max8660_write(max8660, MAX8660_OVER1, mask, 0);  in max8660_dcdc_disable()
138 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_dcdc_get_voltage_sel()  local
140 	u8 selector = max8660->shadow_regs[reg];  in max8660_dcdc_get_voltage_sel()
148 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_dcdc_set_voltage_sel()  local
153 	ret = max8660_write(max8660, reg, 0, selector);  in max8660_dcdc_set_voltage_sel()
159 	return max8660_write(max8660, MAX8660_VCC1, 0xff, bits);  in max8660_dcdc_set_voltage_sel()
177 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_ldo5_get_voltage_sel()  local
179 	u8 selector = max8660->shadow_regs[MAX8660_MDTV2];  in max8660_ldo5_get_voltage_sel()
186 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_ldo5_set_voltage_sel()  local
189 	ret = max8660_write(max8660, MAX8660_MDTV2, 0, selector);  in max8660_ldo5_set_voltage_sel()
194 	return max8660_write(max8660, MAX8660_VCC1, 0xff, 0xc0);  in max8660_ldo5_set_voltage_sel()
211 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_ldo67_is_enabled()  local
212 	u8 val = max8660->shadow_regs[MAX8660_OVER2];  in max8660_ldo67_is_enabled()
220 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_ldo67_enable()  local
223 	return max8660_write(max8660, MAX8660_OVER2, 0xff, bit);  in max8660_ldo67_enable()
228 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_ldo67_disable()  local
231 	return max8660_write(max8660, MAX8660_OVER2, mask, 0);  in max8660_ldo67_disable()
236 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_ldo67_get_voltage_sel()  local
238 	u8 selector = (max8660->shadow_regs[MAX8660_L12VCR] >> shift) & 0xf;  in max8660_ldo67_get_voltage_sel()
246 	struct max8660 *max8660 = rdev_get_drvdata(rdev);  in max8660_ldo67_set_voltage_sel()  local
249 		return max8660_write(max8660, MAX8660_L12VCR, 0xf0, selector);  in max8660_ldo67_set_voltage_sel()
251 		return max8660_write(max8660, MAX8660_L12VCR, 0x0f,  in max8660_ldo67_set_voltage_sel()
319 	MAX8660 = 0,  enumerator
325 	{ .compatible = "maxim,max8660", .data = (void *) MAX8660 },
389 	struct max8660 *max8660;  in max8660_probe()  local
417 	max8660 = devm_kzalloc(dev, sizeof(struct max8660), GFP_KERNEL);  in max8660_probe()
418 	if (!max8660)  in max8660_probe()
421 	max8660->client = client;  in max8660_probe()
425 		max8660->shadow_regs[MAX8660_OVER1] = 5;  in max8660_probe()
437 	max8660->shadow_regs[MAX8660_ADTV1] =  in max8660_probe()
438 		max8660->shadow_regs[MAX8660_ADTV2] =  in max8660_probe()
439 		max8660->shadow_regs[MAX8660_SDTV1] =  in max8660_probe()
440 		max8660->shadow_regs[MAX8660_SDTV2] = 0x1b;  in max8660_probe()
441 	max8660->shadow_regs[MAX8660_MDTV1] =  in max8660_probe()
442 		max8660->shadow_regs[MAX8660_MDTV2] = 0x04;  in max8660_probe()
454 				max8660->shadow_regs[MAX8660_OVER1] |= 1;  in max8660_probe()
459 				max8660->shadow_regs[MAX8660_OVER1] |= 4;  in max8660_probe()
467 				max8660->shadow_regs[MAX8660_OVER2] |= 2;  in max8660_probe()
477 				max8660->shadow_regs[MAX8660_OVER2] |= 4;  in max8660_probe()
496 		config.driver_data = max8660;  in max8660_probe()
508 	i2c_set_clientdata(client, max8660);  in max8660_probe()
513 	{ .name = "max8660", .driver_data = MAX8660 },
522 		.name	= "max8660",