Drive strength values used for UART is not reflecting the default values recommended by FSD HW UM. Fix the drive strength values for UART, thereby ensuring that the existing device tree file is using default drive strength values recommended by UM for FSD SoC. Fixes: 684dac402f21 ("arm64: dts: fsd: Add initial pinctrl support") Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@xxxxxxxxxxx> --- arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi index 09a492b1fd6e..a2634e70925a 100644 --- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi +++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi @@ -309,14 +309,14 @@ samsung,pins = "gpb7-0", "gpb7-1"; samsung,pin-function = <FSD_PIN_FUNC_2>; samsung,pin-pud = <FSD_PIN_PULL_NONE>; - samsung,pin-drv = <FSD_PIN_DRV_LV1>; + samsung,pin-drv = <FSD_PIN_DRV_LV4>; }; uart1_data: uart1-data-pins { samsung,pins = "gpb7-4", "gpb7-5"; samsung,pin-function = <FSD_PIN_FUNC_2>; samsung,pin-pud = <FSD_PIN_PULL_NONE>; - samsung,pin-drv = <FSD_PIN_DRV_LV1>; + samsung,pin-drv = <FSD_PIN_DRV_LV4>; }; spi0_bus: spi0-bus-pins { -- 2.17.1