linux-kernel - [PATCH v3 1/3] regulator: max14577: Add proper dt-compatible strings

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Date:   Fri, 22 May 2020 12:24:46 +0200
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Sebastian Reichel <sre@...nel.org>,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH v3 1/3] regulator: max14577: Add proper dt-compatible
 strings

Add device tree compatible strings and create proper modalias structures
to let this driver load automatically if compiled as module, because
max14577 MFD driver creates MFD cells with such compatible strings.

Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
---
v3:
- sorted of_max14577_regulator_dt_match
v2:
- added .of_match_table pointer
---
 drivers/regulator/max14577-regulator.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/max14577-regulator.c b/drivers/regulator/max14577-regulator.c
index 07a150c9bbf2..4c9ae52b9e87 100644
--- a/drivers/regulator/max14577-regulator.c
+++ b/drivers/regulator/max14577-regulator.c
@@ -238,10 +238,20 @@ static const struct platform_device_id max14577_regulator_id[] = {
 };
 MODULE_DEVICE_TABLE(platform, max14577_regulator_id);
 
+static const struct of_device_id of_max14577_regulator_dt_match[] = {
+	{ .compatible = "maxim,max14577-regulator",
+	  .data = (void *)MAXIM_DEVICE_TYPE_MAX14577, },
+	{ .compatible = "maxim,max77836-regulator",
+	  .data = (void *)MAXIM_DEVICE_TYPE_MAX77836, },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, of_max14577_regulator_dt_match);
+
 static struct platform_driver max14577_regulator_driver = {
 	.driver = {
-		   .name = "max14577-regulator",
-		   },
+		.name = "max14577-regulator",
+		.of_match_table = of_max14577_regulator_dt_match,
+	},
 	.probe		= max14577_regulator_probe,
 	.id_table	= max14577_regulator_id,
 };
-- 
2.17.1