regulator: Add over current protection (OCP) support
Some regulators can automatically shut down when they detect an
over current event. Add an op (set_over_current_protection) and a
DT property + constraint to support this capability.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index c9f7201..520413e 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1081,6 +1081,15 @@
}
}
+ if (rdev->constraints->over_current_protection
+ && ops->set_over_current_protection) {
+ ret = ops->set_over_current_protection(rdev);
+ if (ret < 0) {
+ rdev_err(rdev, "failed to set over current protection\n");
+ goto out;
+ }
+ }
+
print_constraints(rdev);
return 0;
out: