diff options
author | Andrejs Cainikovs <andrejs.cainikovs@toradex.com> | 2023-10-17 13:31:52 +0200 |
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committer | Andrejs Cainikovs <andrejs.cainikovs@toradex.com> | 2023-10-20 17:37:51 +0200 |
commit | e5b76f7d318e1b08c843fca206908c88af53603b (patch) | |
tree | f79ba135b5be4c8ef1383c649c860cdf6698c033 /configs/apalis-imx8_defconfig | |
parent | 7234fc0743e32292de68a384c3d9880cba51d4c5 (diff) |
apalis-imx8: add USBH_EN gpio hog
USB host interface is not working on some Apalis Toradex carrier
boards with Apalis iMX8 SoM. This is due to USBH_EN pin, which
powers USB peripherals, having a strong pull-down on some boards,
and a weak pull-down on the others. This USBH_EN pin is left
unconfigured, which means it is in its default state at cold boot:
input with a strong pull-up. As a result, carrier boards with a
weak pull-down have this signal high enough to trigger power
delivery to USB peripherals, and opposite - boards with strong
pull-down on USBH_EN have this signal below the threshold needed
to trigger USB power delivery.
This change configures the USBH_EN pin as gpio hog, fixing this
issue for all Apalis carrier boards regardless of pull-down
resistor value.
Also, update apalis-imx8_defconfig via savedefconfig.
Upstream-Status: Submitted [https://lore.kernel.org/all/20231020152516.57338-1-andrejs.cainikovs@gmail.com/]
Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
Diffstat (limited to 'configs/apalis-imx8_defconfig')
-rw-r--r-- | configs/apalis-imx8_defconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/configs/apalis-imx8_defconfig b/configs/apalis-imx8_defconfig index 1e34fee578..8ff0792ccc 100644 --- a/configs/apalis-imx8_defconfig +++ b/configs/apalis-imx8_defconfig @@ -61,6 +61,7 @@ CONFIG_USB_FUNCTION_FASTBOOT=y CONFIG_FASTBOOT_BUF_ADDR=0x82800000 CONFIG_FASTBOOT_BUF_SIZE=0x08000000 CONFIG_FASTBOOT_FLASH=y +CONFIG_GPIO_HOG=y CONFIG_MXC_GPIO=y CONFIG_DM_I2C=y CONFIG_SYS_I2C_IMX_LPI2C=y |