Building the #PinePhone USB Driver for Apache #NuttX Real-Time Operating System ... All shall be explained in this article
Article: lupyuen.github.io/articles/usb3?1
#PinePhone USB Programming is so much easier with USB EHCI ... Here's why
Article: lupyuen.github.io/articles/usb3?…
#PinePhone USB EHCI Registers are (thankfully) documented in the Allwinner A64 manual
Article: lupyuen.github.io/articles/usb3?…
#PinePhone USB OTG is super complicated ... So we won't touch it today for Apache #NuttX RTOS
Article: lupyuen.github.io/articles/usb3?…
#PinePhone (Allwinner A64) has 2 USB Ports ... One goes to External USB, the other goes to LTE Modem
Article: lupyuen.github.io/articles/usb3?…
Here's how we configure the #NuttX USB Driver for #PinePhone
Article: lupyuen.github.io/articles/usb3?…
Tweaking the Apache #NuttX USB Driver for 64-bit #PinePhone
Article: lupyuen.github.io/articles/usb3?…
#NuttX USB Driver fails at startup ... Because we haven't powered on #PinePhone USB Controller
Article: lupyuen.github.io/articles/usb3?…
How to power up #PinePhone USB Controller? Let’s consult U-Boot Bootloader
Article: lupyuen.github.io/articles/usb3?…
Here's how we find the #PinePhone USB Driver in U-Boot Bootloader
Article: lupyuen.github.io/articles/usb3?…
U-Boot Device Tree reveals the USB Drivers for #PinePhone
Article: lupyuen.github.io/articles/usb3?…
To power up #PinePhone USB Controller: 1️⃣ Enable the USB Clocks 2️⃣ Deassert the USB Resets
Article: lupyuen.github.io/articles/usb3?…
U-Boot Bootloader's mystery code for #PinePhone USB ... We'll decipher this someday
Article: lupyuen.github.io/articles/usb3?…
Here's how we enable the USB Clocks for #PinePhone
Article: lupyuen.github.io/articles/usb3?…
Enabling #PinePhone USB Clocks ... How we do it for Apache #NuttX RTOS
Article: lupyuen.github.io/articles/usb3?…
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