regulator: bd9571mwv: Add BD9574MWF support

Add support for BD9574MWF which is similar chip with BD9571MWV.
Note that we don't support voltage rails VD{09,18,25,33} by this
driver on BD9574. The VD09 voltage could be read from PMIC but that
is not supported by this commit.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/regulator/bd9571mwv-regulator.c b/drivers/regulator/bd9571mwv-regulator.c
index 42b6a70..7b0cd08 100644 (file)
--- a/drivers/regulator/bd9571mwv-regulator.c
+++ b/drivers/regulator/bd9571mwv-regulator.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * ROHM BD9571MWV-M regulator driver
+ * ROHM BD9571MWV-M and BD9574MWF-M regulator driver
  *
  * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
  *
@@ -9,6 +9,7 @@
  * NOTE: VD09 is missing
  */
 
+#include <linux/mfd/rohm-generic.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
@@ -277,6 +278,7 @@ static int bd9571mwv_regulator_probe(struct platform_device *pdev)
        struct regulator_dev *rdev;
        unsigned int val;
        int i;
+       enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data;
 
        bdreg = devm_kzalloc(&pdev->dev, sizeof(*bdreg), GFP_KERNEL);
        if (!bdreg)
@@ -292,6 +294,9 @@ static int bd9571mwv_regulator_probe(struct platform_device *pdev)
        config.regmap = bdreg->regmap;
 
        for (i = 0; i < ARRAY_SIZE(regulators); i++) {
+               /* BD9574MWF supports DVFS only */
+               if (chip == ROHM_CHIP_TYPE_BD9574 && regulators[i].id != DVFS)
+                       continue;
                rdev = devm_regulator_register(&pdev->dev, &regulators[i],
                                               &config);
                if (IS_ERR(rdev)) {
@@ -339,7 +344,8 @@ static int bd9571mwv_regulator_probe(struct platform_device *pdev)
 }
 
 static const struct platform_device_id bd9571mwv_regulator_id_table[] = {
-       { "bd9571mwv-regulator", },
+       { "bd9571mwv-regulator", ROHM_CHIP_TYPE_BD9571 },
+       { "bd9574mwf-regulator", ROHM_CHIP_TYPE_BD9574 },
        { /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(platform, bd9571mwv_regulator_id_table);