>-----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 4/4] arm64: dts: fix SPI drive strength values as per FSD >HW UM > >Drive strength values used for SPI is not reflecting the default values >recommended by FSD HW UM. > >Fix the drive strength values for SPI, 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 | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > >diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi >b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi >index a2634e70925a..e3852c946352 100644 >--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi >+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi >@@ -323,21 +323,21 @@ > samsung,pins = "gpb4-0", "gpb4-2", "gpb4-3"; > samsung,pin-function = <FSD_PIN_FUNC_2>; > samsung,pin-pud = <FSD_PIN_PULL_UP>; >- samsung,pin-drv = <FSD_PIN_DRV_LV1>; >+ samsung,pin-drv = <FSD_PIN_DRV_LV4>; > }; > > spi1_bus: spi1-bus-pins { > samsung,pins = "gpb4-4", "gpb4-6", "gpb4-7"; > samsung,pin-function = <FSD_PIN_FUNC_2>; > samsung,pin-pud = <FSD_PIN_PULL_UP>; >- samsung,pin-drv = <FSD_PIN_DRV_LV1>; >+ samsung,pin-drv = <FSD_PIN_DRV_LV4>; > }; > > spi2_bus: spi2-bus-pins { > samsung,pins = "gpb5-0", "gpb5-2", "gpb5-3"; > samsung,pin-function = <FSD_PIN_FUNC_2>; > samsung,pin-pud = <FSD_PIN_PULL_UP>; >- samsung,pin-drv = <FSD_PIN_DRV_LV1>; >+ samsung,pin-drv = <FSD_PIN_DRV_LV4>; > }; > }; > >-- >2.17.1
