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-rw-r--r--drivers/gpio/gpio-aspeed.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
index 3327a48df862..ccea609676ee 100644
--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -761,6 +761,10 @@ static int aspeed_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
param == PIN_CONFIG_BIAS_PULL_DOWN ||
param == PIN_CONFIG_DRIVE_STRENGTH)
return pinctrl_gpio_set_config(offset, config);
+ else if (param == PIN_CONFIG_DRIVE_OPEN_DRAIN ||
+ param == PIN_CONFIG_DRIVE_OPEN_SOURCE)
+ /* Return -ENOTSUPP to trigger emulation, as per datasheet */
+ return -ENOTSUPP;
return -ENOTSUPP;
}