[PATCH 13/13] arm64: dts: imx95-15x15-evk: Change pinctrl settings for usdhc2

Peng Fan posted 13 patches 1 month, 2 weeks ago
There is a newer version of this series
[PATCH 13/13] arm64: dts: imx95-15x15-evk: Change pinctrl settings for usdhc2
Posted by Peng Fan 1 month, 2 weeks ago
From: Luke Wang <ziniu.wang_1@nxp.com>

The drive strength is too high for SDR104 mode. Change the drive
strength to X3 as hardware team recommends.

Signed-off-by: Luke Wang <ziniu.wang_1@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
index de7f4321e5f9d7d6a6c46741d3710756dd2b69cf..3c23022923e68fe0f5205d322ad6f8834a46dc56 100644
--- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
@@ -881,12 +881,12 @@ IMX95_PAD_SD2_VSELECT__USDHC2_VSELECT			0x51e
 
 	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
 		fsl,pins = <
-			IMX95_PAD_SD2_CLK__USDHC2_CLK				0x15fe
-			IMX95_PAD_SD2_CMD__USDHC2_CMD				0x13fe
-			IMX95_PAD_SD2_DATA0__USDHC2_DATA0			0x13fe
-			IMX95_PAD_SD2_DATA1__USDHC2_DATA1			0x13fe
-			IMX95_PAD_SD2_DATA2__USDHC2_DATA2			0x13fe
-			IMX95_PAD_SD2_DATA3__USDHC2_DATA3			0x13fe
+			IMX95_PAD_SD2_CLK__USDHC2_CLK				0x158e
+			IMX95_PAD_SD2_CMD__USDHC2_CMD				0x138e
+			IMX95_PAD_SD2_DATA0__USDHC2_DATA0			0x138e
+			IMX95_PAD_SD2_DATA1__USDHC2_DATA1			0x138e
+			IMX95_PAD_SD2_DATA2__USDHC2_DATA2			0x138e
+			IMX95_PAD_SD2_DATA3__USDHC2_DATA3			0x138e
 			IMX95_PAD_SD2_VSELECT__USDHC2_VSELECT			0x51e
 		>;
 	};

-- 
2.37.1
Re: [PATCH 13/13] arm64: dts: imx95-15x15-evk: Change pinctrl settings for usdhc2
Posted by Frank Li 1 month, 2 weeks ago
On Fri, Aug 15, 2025 at 05:03:59PM +0800, Peng Fan wrote:
> From: Luke Wang <ziniu.wang_1@nxp.com>
>
> The drive strength is too high for SDR104 mode. Change the drive
> strength to X3 as hardware team recommends.
>
> Signed-off-by: Luke Wang <ziniu.wang_1@nxp.com>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>

Reviewed-by: Frank Li <Frank.Li@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> index de7f4321e5f9d7d6a6c46741d3710756dd2b69cf..3c23022923e68fe0f5205d322ad6f8834a46dc56 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> @@ -881,12 +881,12 @@ IMX95_PAD_SD2_VSELECT__USDHC2_VSELECT			0x51e
>
>  	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
>  		fsl,pins = <
> -			IMX95_PAD_SD2_CLK__USDHC2_CLK				0x15fe
> -			IMX95_PAD_SD2_CMD__USDHC2_CMD				0x13fe
> -			IMX95_PAD_SD2_DATA0__USDHC2_DATA0			0x13fe
> -			IMX95_PAD_SD2_DATA1__USDHC2_DATA1			0x13fe
> -			IMX95_PAD_SD2_DATA2__USDHC2_DATA2			0x13fe
> -			IMX95_PAD_SD2_DATA3__USDHC2_DATA3			0x13fe
> +			IMX95_PAD_SD2_CLK__USDHC2_CLK				0x158e
> +			IMX95_PAD_SD2_CMD__USDHC2_CMD				0x138e
> +			IMX95_PAD_SD2_DATA0__USDHC2_DATA0			0x138e
> +			IMX95_PAD_SD2_DATA1__USDHC2_DATA1			0x138e
> +			IMX95_PAD_SD2_DATA2__USDHC2_DATA2			0x138e
> +			IMX95_PAD_SD2_DATA3__USDHC2_DATA3			0x138e
>  			IMX95_PAD_SD2_VSELECT__USDHC2_VSELECT			0x51e
>  		>;
>  	};
>
> --
> 2.37.1
>