>-----Original Message----- >From: Padmanabhan Rajanbabu [mailto:p.rajanbabu@xxxxxxxxxxx] >Sent: Thursday, October 13, 2022 4:10 PM >To: robh+dt@xxxxxxxxxx; krzysztof.kozlowski+dt@xxxxxxxxxx; >alim.akhtar@xxxxxxxxxxx; chanho61.park@xxxxxxxxxxx; >linus.walleij@xxxxxxxxxx; pankaj.dubey@xxxxxxxxxxx >Cc: devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux- >samsung-soc@xxxxxxxxxxxxxxx; Padmanabhan Rajanbabu ><p.rajanbabu@xxxxxxxxxxx> >Subject: [PATCH v3 3/4] arm64: dts: fix UART drive strength values as per FSD >HW UM > >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> >--- Reviewed-by: Alim Akhtar <alim.akhtar@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
