drivers: regulator: npm1300: add reference to anomaly 38

Added reference to nPM1300 anomaly 38 replacing generic "LDO bug"

(cherry picked from commit b432a01)

Original-Signed-off-by: Sergei Ovchinnikov <[email protected]>
GitOrigin-RevId: b432a01
Cr-Build-Id: 8722485936012132001
Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8722485936012132001
Copybot-Job-Name: zephyr-main-copybot-downstream
Change-Id: Icbf6fe4640badb9835e55051db75fc9c8d8b0920
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/6281752
Commit-Queue: ChromeOS Prod (Robot) <[email protected]>
Tested-by: ChromeOS Prod (Robot) <[email protected]>
Bot-Commit: ChromeOS Prod (Robot) <[email protected]>

Author: Sergei Ovchinnikov

drivers/regulator/regulator_npm1300.c

@@ -673,7 +673,7 @@ static DEVICE_API(regulator, api) = {
 		.enable_gpios = GPIO_DT_SPEC_GET_OR(node_id, enable_gpios, {0}),                   \
 		.retention_gpios = GPIO_DT_SPEC_GET_OR(node_id, retention_gpios, {0}),             \
 		.pwm_gpios = GPIO_DT_SPEC_GET_OR(node_id, pwm_gpios, {0}),                         \
-		.ldo_disable_workaround = DT_PROP(node_id, nordic_ldo_disable_workaround)};        \
+		.ldo_disable_workaround = DT_PROP(node_id, nordic_anomaly38_disable_workaround)};  \
                                                                                                    \
 	DEVICE_DT_DEFINE(node_id, regulator_npm1300_init, NULL, &data_##id, &config_##id,          \
 			 POST_KERNEL, CONFIG_REGULATOR_NPM1300_INIT_PRIORITY, &api);

dts/bindings/regulator/nordic,npm1300-regulator.yaml

@@ -97,11 +97,12 @@ child-binding:
       description: |
         Soft start current limit in microamps.
 
-    nordic,ldo-disable-workaround:
+    nordic,anomaly38-disable-workaround:
       type: boolean
       description: |
-        Disable the SW workaround for LDO bug.
+        Disable the SW workaround for nPM1300 anomaly #38.
         When nPM1300 is in ULP mode, LDO is supplied from VSYS and
         then LDO is enabled, it can take long time until the LDO
         output has reached its target voltage. To avoid this, an i2c
         read is performed shortly after an LDO is enabled.
+        See nPM1300 Errata manual for more details.