[PATCH] ARM: dts: imx8mm: Enable CPLD_Dn pull down resistor on MX8Menlo

Peng Fan peng.fan at nxp.com
Tue May 21 14:51:38 CEST 2024


> Subject: [PATCH] ARM: dts: imx8mm: Enable CPLD_Dn pull down resistor on
> MX8Menlo
> 
> Enable CPLD_Dn pull down resistor instead of pull up to avoid intefering with
> CPLD power off functionality.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> ---
> Cc: "NXP i.MX U-Boot Team" <uboot-imx at nxp.com>
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: Francesco Dolcini <francesco.dolcini at toradex.com>
> Cc: Marcel Ziswiler <marcel.ziswiler at toradex.com>
> Cc: Philippe Schenker <philippe.schenker at toradex.com>
> Cc: Martyn Welch <martyn.welch at collabora.com>
> Cc: Stefano Babic <sbabic at denx.de>
> Cc: u-boot at lists.denx.de
> ---
>  arch/arm/dts/imx8mm-mx8menlo.dts | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/arch/arm/dts/imx8mm-mx8menlo.dts b/arch/arm/dts/imx8mm-
> mx8menlo.dts
> index 0b123a84018..c226285c6ea 100644
> --- a/arch/arm/dts/imx8mm-mx8menlo.dts
> +++ b/arch/arm/dts/imx8mm-mx8menlo.dts
> @@ -290,6 +290,28 @@
>  	>;
>  };
> 
> +&pinctrl_gpio_hog1 {

Should these be in xx-u-boot.dtsi?

Regards,
Peng.
> +	fsl,pins = <
> +		MX8MM_IOMUXC_SAI1_MCLK_GPIO4_IO20
> 	0x1c4	/* SODIMM 88 */
> +		MX8MM_IOMUXC_SAI1_RXC_GPIO4_IO1
> 	0x1c4	/* CPLD_int */
> +		MX8MM_IOMUXC_SAI1_RXD0_GPIO4_IO2
> 	0x1c4	/* CPLD_reset */
> +		MX8MM_IOMUXC_SAI1_RXD1_GPIO4_IO3
> 	0x1c4	/* SODIMM 94 */
> +		MX8MM_IOMUXC_SAI1_RXD2_GPIO4_IO4
> 	0x1c4	/* SODIMM 96 */
> +		MX8MM_IOMUXC_SAI1_RXD3_GPIO4_IO5
> 	0x184	/* CPLD_D[7] */
> +		MX8MM_IOMUXC_SAI1_RXFS_GPIO4_IO0
> 	0x184	/* CPLD_D[6] */
> +		MX8MM_IOMUXC_SAI1_TXC_GPIO4_IO11
> 	0x184	/* CPLD_D[5] */
> +		MX8MM_IOMUXC_SAI1_TXD0_GPIO4_IO12
> 	0x184	/* CPLD_D[4] */
> +		MX8MM_IOMUXC_SAI1_TXD1_GPIO4_IO13
> 	0x184	/* CPLD_D[3] */
> +		MX8MM_IOMUXC_SAI1_TXD2_GPIO4_IO14
> 	0x184	/* CPLD_D[2] */
> +		MX8MM_IOMUXC_SAI1_TXD3_GPIO4_IO15
> 	0x184	/* CPLD_D[1] */
> +		MX8MM_IOMUXC_SAI1_TXD4_GPIO4_IO16
> 	0x184	/* CPLD_D[0] */
> +		MX8MM_IOMUXC_SAI2_MCLK_GPIO4_IO27
> 	0x1c4	/* KBD_intK */
> +		MX8MM_IOMUXC_SAI5_RXD1_GPIO3_IO22
> 	0x1c4	/* DISP_reset */
> +		MX8MM_IOMUXC_SAI5_RXD2_GPIO3_IO23
> 	0x1c4	/* KBD_intI */
> +		MX8MM_IOMUXC_SAI5_RXD3_GPIO3_IO24
> 	0x1c4
> +	>;
> +};
> +
>  &reg_usb_otg1_vbus {
>  	/delete-property/ enable-active-high;
>  	gpio = <&gpio1 12 GPIO_ACTIVE_LOW>;
> --
> 2.43.0



More information about the U-Boot mailing list