Merge tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Add support for ROHM BD71828 PMICs and GPIOs
   - Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341

  New Device Support:
   - Add support for BD71828 to BD70528 RTC driver
   - Add support for Intel's Jasper Lake to LPSS PCI

  New Functionality:
   - Add support for Power Key to ROHM BD71828
   - Add support for Clocks to ROHM BD71828
   - Add support for GPIOs to Dialog DA9062
   - Add support for USB PD Notify to ChromiumOS EC
   - Allow callers to specify args when requesting regmap lookup; syscon

  Fix-ups:
   - Improve error handling and sanity checking; atmel-hlcdc, dln2
   - Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
     ab8500, max14577, atmel-usart
   - Match devices using platform IDs; bd7xxxx
   - Refactor BD718x7 regulator component; bd718x7-regulator
   - Use standard interfaces/helpers; syscon, sm501
   - Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
   - Remove unused code; db8500-prcmu, tqmx86
   - Wait until boot has finished before accessing registers;
     madera-core
   - Provide missing register value defaults; cs47l15-tables
   - Allow more time for hardware to reset; madera-core

  Bug Fixes:
   - Fix erroneous register values; rohm-bd70528
   - Fix register volatility; axp20x, rn5t618
   - Fix Kconfig dependencies; MFD_MAX77650
   - Fix incorrect compatible string; da9062-core
   - Fix syscon_regmap_lookup_by_phandle_args() stub; syscon"

* tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (41 commits)
  mfd: syscon: Fix syscon_regmap_lookup_by_phandle_args() dummy
  mfd: wcd934x: Add support to wcd9340/wcd9341 codec
  mfd: syscon: Add arguments support for syscon reference
  mfd: rn5t618: Mark ADC control register volatile
  dt-bindings: atmel-usart: Add microchip,sam9x60-{usart, dbgu}
  dt-bindings: atmel-usart: Remove wildcard
  mfd: cros_ec: Add cros-usbpd-notify subdevice
  mfd: da9062: Fix watchdog compatible string
  mfd: madera: Allow more time for hardware reset
  mfd: cs47l15: Add missing register default
  mfd: madera: Wait for boot done before accessing any other registers
  mfd: Kconfig: Rename Samsung to lowercase
  mfd: tqmx86: remove set but not used variable 'i2c_ien'
  mfd: dbx500-prcmu: Drop DSI pll clock functions
  mfd: dbx500-prcmu: Drop set_display_clocks()
  mfd: max77650: Select REGMAP_IRQ in Kconfig
  mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile
  mfd: ab8500: Fix ab8500-clk typo
  mfd: intel-lpss: Add Intel Jasper Lake PCI IDs
  dt-bindings: mfd: max14577: Add reference to max14040_battery.txt descriptions
  ...

1 files changed, 65 insertions, 129 deletions

diff --git a/drivers/regulator/bd718x7-regulator.c b/drivers/regulator/bd718x7-regulator.c
index 8f9b2d8eaf10..cf3872837abc 100644
--- a/drivers/regulator/bd718x7-regulator.c
+++ b/drivers/regulator/bd718x7-regulator.c
@@ -318,6 +318,7 @@ struct reg_init {
 };
 struct bd718xx_regulator_data {
 	struct regulator_desc desc;
+	const struct rohm_dvs_config dvs;
 	const struct reg_init init;
 	const struct reg_init *additional_inits;
 	int additional_init_amnt;
@@ -349,133 +350,15 @@ static const struct reg_init bd71837_ldo6_inits[] = {
 	},
 };
 
-#define NUM_DVS_BUCKS 4
-
-struct of_dvs_setting {
-	const char *prop;
-	unsigned int reg;
-};
-
-static int set_dvs_levels(const struct of_dvs_setting *dvs,
-			  struct device_node *np,
-			  const struct regulator_desc *desc,
-			  struct regmap *regmap)
-{
-	int ret, i;
-	unsigned int uv;
-
-	ret = of_property_read_u32(np, dvs->prop, &uv);
-	if (ret) {
-		if (ret != -EINVAL)
-			return ret;
-		return 0;
-	}
-
-	for (i = 0; i < desc->n_voltages; i++) {
-		ret = regulator_desc_list_voltage_linear_range(desc, i);
-		if (ret < 0)
-			continue;
-		if (ret == uv) {
-			i <<= ffs(desc->vsel_mask) - 1;
-			ret = regmap_update_bits(regmap, dvs->reg,
-						 DVS_BUCK_RUN_MASK, i);
-			break;
-		}
-	}
-	return ret;
-}
-
-static int buck4_set_hw_dvs_levels(struct device_node *np,
+static int buck_set_hw_dvs_levels(struct device_node *np,
 			    const struct regulator_desc *desc,
 			    struct regulator_config *cfg)
 {
-	int ret, i;
-	const struct of_dvs_setting dvs[] = {
-		{
-			.prop = "rohm,dvs-run-voltage",
-			.reg = BD71837_REG_BUCK4_VOLT_RUN,
-		},
-	};
+	struct bd718xx_regulator_data *data;
 
-	for (i = 0; i < ARRAY_SIZE(dvs); i++) {
-		ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
-		if (ret)
-			break;
-	}
-	return ret;
-}
-static int buck3_set_hw_dvs_levels(struct device_node *np,
-			    const struct regulator_desc *desc,
-			    struct regulator_config *cfg)
-{
-	int ret, i;
-	const struct of_dvs_setting dvs[] = {
-		{
-			.prop = "rohm,dvs-run-voltage",
-			.reg = BD71837_REG_BUCK3_VOLT_RUN,
-		},
-	};
+	data = container_of(desc, struct bd718xx_regulator_data, desc);
 
-	for (i = 0; i < ARRAY_SIZE(dvs); i++) {
-		ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
-		if (ret)
-			break;
-	}
-	return ret;
-}
-
-static int buck2_set_hw_dvs_levels(struct device_node *np,
-			    const struct regulator_desc *desc,
-			    struct regulator_config *cfg)
-{
-	int ret, i;
-	const struct of_dvs_setting dvs[] = {
-		{
-			.prop = "rohm,dvs-run-voltage",
-			.reg = BD718XX_REG_BUCK2_VOLT_RUN,
-		},
-		{
-			.prop = "rohm,dvs-idle-voltage",
-			.reg = BD718XX_REG_BUCK2_VOLT_IDLE,
-		},
-	};
-
-
-
-	for (i = 0; i < ARRAY_SIZE(dvs); i++) {
-		ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
-		if (ret)
-			break;
-	}
-	return ret;
-}
-
-static int buck1_set_hw_dvs_levels(struct device_node *np,
-			    const struct regulator_desc *desc,
-			    struct regulator_config *cfg)
-{
-	int ret, i;
-	const struct of_dvs_setting dvs[] = {
-		{
-			.prop = "rohm,dvs-run-voltage",
-			.reg = BD718XX_REG_BUCK1_VOLT_RUN,
-		},
-		{
-			.prop = "rohm,dvs-idle-voltage",
-			.reg = BD718XX_REG_BUCK1_VOLT_IDLE,
-		},
-		{
-			.prop = "rohm,dvs-suspend-voltage",
-			.reg = BD718XX_REG_BUCK1_VOLT_SUSP,
-		},
-	};
-
-	for (i = 0; i < ARRAY_SIZE(dvs); i++) {
-		ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
-		if (ret)
-			break;
-	}
-	return ret;
+	return rohm_regulator_set_dvs_levels(&data->dvs, np, desc, cfg->regmap);
 }
 
 static const struct bd718xx_regulator_data bd71847_regulators[] = {
@@ -496,7 +379,17 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
 			.enable_reg = BD718XX_REG_BUCK1_CTRL,
 			.enable_mask = BD718XX_BUCK_EN,
 			.owner = THIS_MODULE,
-			.of_parse_cb = buck1_set_hw_dvs_levels,
+			.of_parse_cb = buck_set_hw_dvs_levels,
+		},
+		.dvs = {
+			.level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE |
+				     ROHM_DVS_LEVEL_SUSPEND,
+			.run_reg = BD718XX_REG_BUCK1_VOLT_RUN,
+			.run_mask = DVS_BUCK_RUN_MASK,
+			.idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE,
+			.idle_mask = DVS_BUCK_RUN_MASK,
+			.suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP,
+			.suspend_mask = DVS_BUCK_RUN_MASK,
 		},
 		.init = {
 			.reg = BD718XX_REG_BUCK1_CTRL,
@@ -520,7 +413,14 @@ static const struct bd718xx_regulator_data bd71847_regulators[] = {
 			.enable_reg = BD718XX_REG_BUCK2_CTRL,
 			.enable_mask = BD718XX_BUCK_EN,
 			.owner = THIS_MODULE,
-			.of_parse_cb = buck2_set_hw_dvs_levels,
+			.of_parse_cb = buck_set_hw_dvs_levels,
+		},
+		.dvs = {
+			.level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE,
+			.run_reg = BD718XX_REG_BUCK2_VOLT_RUN,
+			.run_mask = DVS_BUCK_RUN_MASK,
+			.idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE,
+			.idle_mask = DVS_BUCK_RUN_MASK,
 		},
 		.init = {
 			.reg = BD718XX_REG_BUCK2_CTRL,
@@ -792,7 +692,17 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
 			.enable_reg = BD718XX_REG_BUCK1_CTRL,
 			.enable_mask = BD718XX_BUCK_EN,
 			.owner = THIS_MODULE,
-			.of_parse_cb = buck1_set_hw_dvs_levels,
+			.of_parse_cb = buck_set_hw_dvs_levels,
+		},
+		.dvs = {
+			.level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE |
+				     ROHM_DVS_LEVEL_SUSPEND,
+			.run_reg = BD718XX_REG_BUCK1_VOLT_RUN,
+			.run_mask = DVS_BUCK_RUN_MASK,
+			.idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE,
+			.idle_mask = DVS_BUCK_RUN_MASK,
+			.suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP,
+			.suspend_mask = DVS_BUCK_RUN_MASK,
 		},
 		.init = {
 			.reg = BD718XX_REG_BUCK1_CTRL,
@@ -816,7 +726,14 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
 			.enable_reg = BD718XX_REG_BUCK2_CTRL,
 			.enable_mask = BD718XX_BUCK_EN,
 			.owner = THIS_MODULE,
-			.of_parse_cb = buck2_set_hw_dvs_levels,
+			.of_parse_cb = buck_set_hw_dvs_levels,
+		},
+		.dvs = {
+			.level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE,
+			.run_reg = BD718XX_REG_BUCK2_VOLT_RUN,
+			.run_mask = DVS_BUCK_RUN_MASK,
+			.idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE,
+			.idle_mask = DVS_BUCK_RUN_MASK,
 		},
 		.init = {
 			.reg = BD718XX_REG_BUCK2_CTRL,
@@ -840,7 +757,12 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
 			.enable_reg = BD71837_REG_BUCK3_CTRL,
 			.enable_mask = BD718XX_BUCK_EN,
 			.owner = THIS_MODULE,
-			.of_parse_cb = buck3_set_hw_dvs_levels,
+			.of_parse_cb = buck_set_hw_dvs_levels,
+		},
+		.dvs = {
+			.level_map = ROHM_DVS_LEVEL_RUN,
+			.run_reg = BD71837_REG_BUCK3_VOLT_RUN,
+			.run_mask = DVS_BUCK_RUN_MASK,
 		},
 		.init = {
 			.reg = BD71837_REG_BUCK3_CTRL,
@@ -864,7 +786,12 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
 			.enable_reg = BD71837_REG_BUCK4_CTRL,
 			.enable_mask = BD718XX_BUCK_EN,
 			.owner = THIS_MODULE,
-			.of_parse_cb = buck4_set_hw_dvs_levels,
+			.of_parse_cb = buck_set_hw_dvs_levels,
+		},
+		.dvs = {
+			.level_map = ROHM_DVS_LEVEL_RUN,
+			.run_reg = BD71837_REG_BUCK4_VOLT_RUN,
+			.run_mask = DVS_BUCK_RUN_MASK,
 		},
 		.init = {
 			.reg = BD71837_REG_BUCK4_CTRL,
@@ -1150,6 +1077,7 @@ static int bd718xx_probe(struct platform_device *pdev)
 	bool use_snvs;
 	const struct bd718xx_regulator_data *reg_data;
 	unsigned int num_reg_data;
+	enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data;
 
 	mfd = dev_get_drvdata(pdev->dev.parent);
 	if (!mfd) {
@@ -1158,7 +1086,7 @@ static int bd718xx_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	switch (mfd->chip.chip_type) {
+	switch (chip) {
 	case ROHM_CHIP_TYPE_BD71837:
 		reg_data = bd71837_regulators;
 		num_reg_data = ARRAY_SIZE(bd71837_regulators);
@@ -1275,11 +1203,19 @@ err:
 	return err;
 }
 
+static const struct platform_device_id bd718x7_pmic_id[] = {
+	{ "bd71837-pmic", ROHM_CHIP_TYPE_BD71837 },
+	{ "bd71847-pmic", ROHM_CHIP_TYPE_BD71847 },
+	{ },
+};
+MODULE_DEVICE_TABLE(platform, bd718x7_pmic_id);
+
 static struct platform_driver bd718xx_regulator = {
 	.driver = {
 		.name = "bd718xx-pmic",
 	},
 	.probe = bd718xx_probe,
+	.id_table = bd718x7_pmic_id,
 };
 
 module_platform_driver(bd718xx_regulator);