From: Justin Klaassen <justin@tidylabs.net>
Date: Fri, 23 May 2025 16:53:37 +0000 (+0000)
Subject: rockchip: io-domain: Add debug logging for regulators during probe
X-Git-Tag: v2025.07-rc4~5^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81a26131bdf5d094c9d2cda89a06dca90f9084a1;p=pandora-u-boot.git

rockchip: io-domain: Add debug logging for regulators during probe

Log the value of the regulators during initialization of the IO-domain
driver to aid in debugging GPIO voltage configuration problems.

Signed-off-by: Justin Klaassen <justin@tidylabs.net>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
---

diff --git a/drivers/misc/rockchip-io-domain.c b/drivers/misc/rockchip-io-domain.c
index 025b6049a9f..a0573c52193 100644
--- a/drivers/misc/rockchip-io-domain.c
+++ b/drivers/misc/rockchip-io-domain.c
@@ -344,8 +344,10 @@ static int rockchip_iodomain_probe(struct udevice *dev)
 			continue;
 
 		ret = device_get_supply_regulator(dev, supply_name, &reg);
-		if (ret)
+		if (ret) {
+			dev_dbg(dev, "%s: Regulator not found\n", supply_name);
 			continue;
+		}
 
 		ret = regulator_autoset(reg);
 		if (ret && ret != -EALREADY && ret != -EMEDIUMTYPE &&
@@ -353,6 +355,7 @@ static int rockchip_iodomain_probe(struct udevice *dev)
 			continue;
 
 		uV = regulator_get_value(reg);
+		dev_dbg(dev, "%s: Regulator %s at %d uV\n", supply_name, reg->name, uV);
 		if (uV <= 0)
 			continue;