MIPI Display
MIPI Interface Display Porting 1. MIPI Porting Guide 1.1. PAD Function Setting 1.2. MIPI DSI 1.3. Power 1.4. Drivers 1.4.1. U-BOOT …
How to apply Q100 (NXP4330 only)
1. introduce Only NXP4330 APs satisfies the Q100 condition. Full part name is “NXP4330Q-A”. 1.1. How to apply Q100 BSP : Android Lollipop 5.1.1_r6, kernel 3.4.39 1.1.1. Clock condition CPU …
I2C
1. I2C Driver This documents describe about I2C driver for kernel 3.4.39. 1.1. U-boot 1.1.1. PAD Function Setting PATH : U-BOOT/board/<Chipset>/<BOARD>/include/h #define PAD_GPIOD4 (PAD_MODE_ALT | PAD_FUNC_ALT1 | PAD_LEVEL_LOW …
Secondboot & nsih
1. secondboot 1.1. What is the secondboot The secondboot.bin file performs the following operations. Initialize PLL value Initialize External memory (Clock speed, AC timing, leveling, etc) Set the Debug …
Boot Sequence(Kernel 3.4.39)
This Documents describe a Boot sequence, Boot mode and Boot config of Nexell AP. 1. Boot Sequence The Boot sequence of Nexell AP is like below. Step 1) Power …
[Giga-PHY Ethernet] RTL8211E Circuit
The Nexell’s AP(NXP4330Q, S5P4418, S5P6818) has GMAC controller. Attached file is RTL8211E circuit for gigabit ethernet phy. Further details refer the application note of each AP. Thanks. Link to click : …
CPU DVFS(Dynamic Voltage and Frequency Scaling)
CPU DVFS 1. CPU Freq Governors 2. CPU Freq Kernel Driver 2.1. PATH 2.2. Kernel Config 2.3. Platform Driver Data 2.4. SYS Interface 3. CPU Freq …
CAS Release policy
1. HD-DMB CAS 1.1. Process If your platform has CAS function for HD-DMB, contact with sales part in Nexell. Step 1. Contact with sales part in Nexell. Step …
UART
UART 1. Debug Port Change 1.1. 2NDBOOT 1.2. U-BOOT 1.3. KERNEL 2. ISO7816 Setting 1. Debug Port Change 1.1. 2NDBOOT …
TMU Driver
This document is based on kernel 3.4 TMU driver 1.1. NXP4330/S5P4418 TMU driver It is a driver that monitors the temperature with the ADC value of the thermistor …