Replace the ad-hoc I2C register programming scripted in board environment with U-Boot DM driver.

Signed-off-by: Marek Vasut marex@denx.de Cc: Fabio Estevam festevam@gmail.com Cc: Peng Fan peng.fan@nxp.com Cc: Stefano Babic sbabic@denx.de --- V2: Use uclass_get_device_by_name() V3: Reinstate the device-internal.h, needed for device_probe() V4: Drop the device_probe() too --- .../imx8mm_data_modul_edm_sbc.c | 9 +++++++++ configs/imx8mm_data_modul_edm_sbc_defconfig | 1 + include/configs/imx8mm_data_modul_edm_sbc.h | 20 ------------------- 3 files changed, 10 insertions(+), 20 deletions(-)

diff --git a/board/data_modul/imx8mm_edm_sbc/imx8mm_data_modul_edm_sbc.c b/board/data_modul/imx8mm_edm_sbc/imx8mm_data_modul_edm_sbc.c index 46cb6f77b59..6dc4e6a9a2b 100644 --- a/board/data_modul/imx8mm_edm_sbc/imx8mm_data_modul_edm_sbc.c +++ b/board/data_modul/imx8mm_edm_sbc/imx8mm_data_modul_edm_sbc.c @@ -9,6 +9,7 @@ #include <asm/io.h> #include <asm/mach-imx/boot_mode.h> #include <dm.h> +#include <dm/device-internal.h> #include <i2c_eeprom.h> #include <malloc.h> #include <net.h> @@ -104,7 +105,15 @@ int board_init(void)

int board_late_init(void) { + struct udevice *dev; + int ret; + setup_boot_device(); setup_mac_address(); + + ret = uclass_get_device_by_name(UCLASS_MISC, "usb-hub@2c", &dev); + if (ret) + printf("Error bringing up USB hub (%d)\n", ret); + return 0; } diff --git a/configs/imx8mm_data_modul_edm_sbc_defconfig b/configs/imx8mm_data_modul_edm_sbc_defconfig index d55efa6d00e..99a1f862200 100644 --- a/configs/imx8mm_data_modul_edm_sbc_defconfig +++ b/configs/imx8mm_data_modul_edm_sbc_defconfig @@ -156,6 +156,7 @@ CONFIG_MXC_GPIO=y CONFIG_DM_I2C=y # CONFIG_INPUT is not set CONFIG_MISC=y +CONFIG_USB_HUB_USB251XB=y CONFIG_I2C_EEPROM=y CONFIG_SYS_I2C_EEPROM_ADDR=0x50 CONFIG_SUPPORT_EMMC_BOOT=y diff --git a/include/configs/imx8mm_data_modul_edm_sbc.h b/include/configs/imx8mm_data_modul_edm_sbc.h index 67667dd523d..419258f949a 100644 --- a/include/configs/imx8mm_data_modul_edm_sbc.h +++ b/include/configs/imx8mm_data_modul_edm_sbc.h @@ -71,7 +71,6 @@ "mtd nor0=sf raw 0x0 0x1000000\0" \ "dmo_preboot=" \ "sf probe ; " /* Scan for SPI NOR, needed by DFU */ \ - "run dmo_usb_start_hub ; " \ /* Attempt to start USB and Network console */ \ "run dmo_usb_cdc_acm_start ; " \ "run dmo_netconsole_start\0" \ @@ -91,25 +90,6 @@ "setenv stdin ${stdin},usbacm ; " \ "fi ; " \ "fi\0" \ - "dmo_usb_start_hub=" \ - "i2c dev 1 ; " \ - /* Reset the USB USB */ \ - "gpio clear GPIO5_2 ; sleep 0.01 ; " /* t1 > 1us */ \ - "gpio set GPIO5_2 ; sleep 0.01 ; " /* t5 > 3us */ \ - /* Write chunks of descriptor into the USB HUB */ \ - "mw.l 0x7e1000 0x14042417 ; mw.l 0x7e1004 0x9b0bb325 ; "\ - "mw.l 0x7e1008 0x00000220 ; mw.l 0x7e100c 0x01320100 ; "\ - "mw.l 0x7e1010 0x00003232 ; mw.l 0x7e1014 0x4d000909 ; "\ - "i2c write 0x7e1000 0x2c 0x00 0x18 -s ; " \ - "mw.l 0x7e1000 0x6300690f ; mw.l 0x7e1004 0x6f007200 ; "\ - "mw.l 0x7e1008 0x68006300 ; mw.l 0x7e100c 0x70006900 ; "\ - "i2c write 0x7e1000 0x2c 0x18 0x10 -s ; " \ - "mw.l 0x7e1000 0x53005511 ; mw.l 0x7e1004 0x32004200 ; "\ - "mw.l 0x7e1008 0x31003500 ; mw.l 0x7e100c 0x42003400 ; "\ - "mw.l 0x7e1010 0x00006900 ; " \ - "i2c write 0x7e1000 0x2c 0x54 0x12 -s ; " \ - "mw.l 0x7e1000 0x00000101 ; " \ - "i2c write 0x7e1000 0x2c 0xff 0x2 -s\0" \ "dmo_netconsole_start=" \ "if test "${dmo_netconsole_enabled}" = "true" ; then "\ "setenv autoload false && " \