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-rw-r--r--dts/Bindings/pinctrl/atmel,at91-pio4-pinctrl.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/dts/Bindings/pinctrl/atmel,at91-pio4-pinctrl.txt b/dts/Bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
index 61ac757..04d16fb 100644
--- a/dts/Bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
+++ b/dts/Bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
@@ -36,6 +36,8 @@ Optional properties:
- GENERIC_PINCONFIG: generic pinconfig options to use, bias-disable,
bias-pull-down, bias-pull-up, drive-open-drain, input-schmitt-enable,
input-debounce, output-low, output-high.
+- atmel,drive-strength: 0 or 1 for low drive, 2 for medium drive and 3 for
+high drive. The default value is low drive.
Example:
@@ -66,6 +68,7 @@ Example:
pinmux = <PIN_PB0>,
<PIN_PB5>;
bias-pull-up;
+ atmel,drive-strength = <ATMEL_PIO_DRVSTR_ME>;
};
pinctrl_sdmmc1_default: sdmmc1_default {