From: Marek Vasut [mailto:marex@xxxxxxx] Sent: Wednesday, April 5, 2023 6:25 PM > On 4/5/23 18:02, Christoph Niedermaier wrote: > > [...] > >> +/ { >> + model = "DH electronics i.MX6ULL DHCOR on maveo box"; >> + compatible = "dh,imx6ull-dhcor-maveo-box", "dh,imx6ull-dhcor-som", >> + "fsl,imx6ull"; >> + >> + aliases { >> + /delete-property/ mmc0; /* Avoid double definitions */ >> + /delete-property/ mmc1; >> + mmc2 = &usdhc2; /* eMMC should be mmc2 */ > > Why not mmc0 ? > > Use root=PARTUUID= when booting to avoid any dependency on > root=/dev/mmcblk2pN enumeration. This is due to software interchangeability with the DHCOM i.MX6ULL, where the eMMC is always mmc2. > >> + spi0 = &ecspi4; >> + spi3 = &ecspi1; >> + }; > > [...] > >> +&iomuxc { >> + pinctrl-0 = <&pinctrl_hog_maveo_box>; >> + pinctrl-names = "default"; >> + >> + pinctrl_hog_maveo_box: hog-maveo-box-grp { >> + fsl,pins = < >> + MX6UL_PAD_GPIO1_IO05__GPIO1_IO05 0x400120b0 /* BUTTON_USER */ >> + MX6UL_PAD_GPIO1_IO08__GPIO1_IO08 0x400120b0 /* BUTTON_RESET */ >> + MX6UL_PAD_CSI_PIXCLK__GPIO4_IO18 0x400120b0 /* LED_G */ >> + MX6UL_PAD_CSI_DATA02__GPIO4_IO23 0x400120b0 /* LED_B */ > > Should the "SION(1 << 30): Software Input On Field." bit really be set > on GPIOs which are OUTPUT (like LEDs) ? I think for INPUT it doesn't matter, but for OUTPUT I then have a feedback. Regards Christoph
