From d011462eea859dde74431f1eb8b8d9cea8ebf005 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 29 Jul 2025 00:38:34 +0200 Subject: [PATCH] ARM: imx6: dh-imx6: Enable USB OTG ID pin pull up in SPL Enable SoC pull up for USB OTG ID pin in SPL. There is no dedicated pull up resistor on the SoM itself, and the pull up is mandatory for correct USB OTG ID pin detection. U-Boot proper already configures the USB OTG ID pin pull up via DT pinctrl node entry. Signed-off-by: Marek Vasut Tested-by: Christoph Niedermaier --- board/dhelectronics/dh_imx6/dh_imx6_spl.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/board/dhelectronics/dh_imx6/dh_imx6_spl.c b/board/dhelectronics/dh_imx6/dh_imx6_spl.c index a50763e1926..eb9bc93d973 100644 --- a/board/dhelectronics/dh_imx6/dh_imx6_spl.c +++ b/board/dhelectronics/dh_imx6/dh_imx6_spl.c @@ -49,6 +49,10 @@ (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ PAD_CTL_SRE_FAST | PAD_CTL_HYS) +#define OTG_PAD_CTRL \ + (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ + PAD_CTL_SRE_SLOW | PAD_CTL_HYS) + static const struct mx6dq_iomux_ddr_regs dhcom6dq_ddr_ioregs = { .dram_sdclk_0 = 0x00020030, .dram_sdclk_1 = 0x00020030, @@ -509,7 +513,7 @@ int board_mmc_init(struct bd_info *bis) /* USB */ static iomux_v3_cfg_t const usb_pads[] = { - IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(OTG_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; -- 2.47.2