linux-kernel - [PATCH 2/2] mfd: tps65219: Add gpio cell instance

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Date:   Fri, 24 Feb 2023 12:38:37 +0100
From:   Jerome Neanne <jneanne@...libre.com>
To:     linus.walleij@...aro.org, brgl@...ev.pl, tony@...mide.com,
        lee@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-omap@...r.kernel.org, Jerome Neanne <jneanne@...libre.com>,
        Jonathan Cormier <jcormier@...ticallink.com>
Subject: [PATCH 2/2] mfd: tps65219: Add gpio cell instance

tps65219 PMIC GPIOs are exposed in a standard way:
gpiodetect
gpiochip0 [tps65219-gpio] (3 lines)

Signed-off-by: Jonathan Cormier <jcormier@...ticallink.com>
Signed-off-by: Jerome Neanne <jneanne@...libre.com>
---
 drivers/mfd/tps65219.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/tps65219.c b/drivers/mfd/tps65219.c
index c134f3f6e202..5ce62e480ff9 100644
--- a/drivers/mfd/tps65219.c
+++ b/drivers/mfd/tps65219.c
@@ -115,7 +115,7 @@ static const struct mfd_cell tps65219_cells[] = {
 		.resources = tps65219_regulator_resources,
 		.num_resources = ARRAY_SIZE(tps65219_regulator_resources),
 	},
-	{ .name = "tps65219-gpios", },
+	{ .name = "tps65219-gpio", },
 };
 
 static const struct mfd_cell tps65219_pwrbutton_cell = {
@@ -267,6 +267,11 @@ static int tps65219_probe(struct i2c_client *client)
 		return ret;
 	}
 
+	if (ret) {
+		dev_err(tps->dev, "Failed to add gpio: %d\n", ret);
+		return ret;
+	}
+
 	pwr_button = of_property_read_bool(tps->dev->of_node, "ti,power-button");
 	if (pwr_button) {
 		ret = devm_mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO,
-- 
2.34.1