Hello, I had an additional look for the possible problem with the AXP813 for BananaPi M3 in U-Boot. With help of Google, i found a patchset for U-Boot from 2016: https://lists.denx.de/pipermail/u-boot/2016-January/240259.html > +++ b/configs/Bananapi_m3_defconfig > @@ -0,0 +1,25 @@ > +CONFIG_ARM=y > +CONFIG_ARCH_SUNXI=y > +CONFIG_MACH_SUN8I_A83T=y > +CONFIG_DRAM_CLK=480 > +CONFIG_DRAM_ZQ=15355 > +CONFIG_DRAM_ODT_EN=y > +CONFIG_SYS_EXTRA_OPTIONS="DRAM_TYPE=7" > +#CONFIG_USB0_VBUS_PIN="AXP0-VBUS-ENABLE" > +#CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT" > +CONFIG_AXP_GPIO=y > +#CONFIG_USB_MUSB_HOST=y > +CONFIG_DEFAULT_DEVICE_TREE="sun8i-a83t-bananapi-m3-v1.2" > +# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set > +CONFIG_SPL=y > +# CONFIG_CMD_IMLS is not set > +# CONFIG_CMD_FLASH is not set > +# CONFIG_CMD_FPGA is not set > +CONFIG_AXP_DCDC1_VOLT=3000 > +CONFIG_AXP_DCDC2_VOLT=900 > +CONFIG_AXP_DCDC3_VOLT=900 > +CONFIG_AXP_DCDC4_VOLT=0 > +CONFIG_AXP_DCDC5_VOLT=1200 > +CONFIG_AXP_ALDO2_VOLT=0 > +CONFIG_AXP_ALDO3_VOLT=0 > +CONFIG_AXP_DLDO4_VOLT=0 > -- In the Debian configuration, i found the following: > CONFIG_ARM=y > CONFIG_ARCH_SUNXI=y > CONFIG_NR_DRAM_BANKS=1 > CONFIG_SPL=y > CONFIG_MACH_SUN8I_A83T=y > CONFIG_DRAM_TYPE=7 > CONFIG_DRAM_CLK=480 > CONFIG_DRAM_ZQ=15355 > CONFIG_DRAM_ODT_EN=y > CONFIG_MMC_SUNXI_SLOT_EXTRA=2 > CONFIG_INITIAL_USB_SCAN_DELAY=500 > CONFIG_USB0_VBUS_PIN="AXP0-VBUS-ENABLE" > CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT" > CONFIG_USB0_ID_DET="PH11" > CONFIG_USB1_VBUS_PIN="PD24" > CONFIG_AXP_GPIO=y > CONFIG_SATAPWR="PD25" > # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set > CONFIG_USE_PREBOOT=y > CONFIG_CONSOLE_MUX=y > # CONFIG_SPL_DOS_PARTITION is not set > # CONFIG_SPL_EFI_PARTITION is not set > CONFIG_DEFAULT_DEVICE_TREE="sun8i-a83t-bananapi-m3" > CONFIG_SYS_RELOC_GD_ENV_ADDR=y > CONFIG_PHY_REALTEK=y > CONFIG_SUN8I_EMAC=y > CONFIG_AXP_DCDC5_VOLT=1200 > CONFIG_AXP_DLDO3_VOLT=3300 > CONFIG_AXP_SW_ON=y > CONFIG_USB_EHCI_HCD=y > CONFIG_USB_OHCI_HCD=y > CONFIG_USB_MUSB_HOST=y > CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y Some CONFIG_AXP_... are missing in the Debian configuration. Is it possible, that these missing AXP-configs have to be added in the Debian configuration? If i can do some tests, please let me know. Thank you for the great support. Best regards Bernhard
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