olimex-teres/A64.md

Table of Contents

1. Display
   1. Required Display modules
   2. Optional Display modules
   3. Internal Display modules
2. Sound
   1. Required Sound modules
   2. Optional Sound modules
   3. Internal Sound modules
3. Media
4. Devfreq
5. Crypto
6. Watchdog
7. Pulse Width Modulation
8. DMA Controller
9. Camera Sensor Interface

Display

Required Display modules

Component	Config	Module	.ko
Display core	DRM_SUN4I	sun4i_drm	sun4i-drm
Display modeset	DRM_SUN4I	sun4i_tcon	sun4i-tcon
Display mixer	DRM_SUN8I_MIXER	sun8i_mixer	sun8i-mixer

Optional Display modules

Component	Config	Module	.ko
MIPI-DSI support	DRM_SUN6I_DSI	sun6i_mipi_dsi	sun6i_mipi_dsi
HDMI support	DRM_SUN8I_DW_HDMI	sun8i_drm_hdmi	sun8i-drm-hdmi

Internal Display modules

Selected automatically by one of other configs

Component	Config	Module	.ko
Display config	DRM_SUN8I_TCON_TOP	sun8i_tcon_to	sun8i_tcon_top

Sound

Required Sound modules

Component	Config	Module	.ko
Internal codec	SND_SUN50I_CODEC_ANALOG	sun50i_codec_analog	sun50i-codec-analog
Codec	SND_SUN8I_CODEC	sun8i_codec	sun8i-codec

Optional Sound modules

Component	Config	Module	.ko
I2S support	SND_SUN4I_I2S	sun4i_i2s	sun4i-i2s

Internal Sound modules

Selected automatically by one of other configs

Component	Config	Module	.ko
Regmap	SND_SUN8I_ADDA_PR_REGMAP	sun8i_adda_pr_regmap	sun8i-adda-pr-regmap

Media

Component	Config	Module	.ko
Deinterlace	VIDEO_SUN8I_DEINTERLACE	sun8i_di	sun8i-di
Rotate	VIDEO_SUN8I_ROTATE	sun8i_rotate	sun8i-rotate

Devfreq

Support for device frequency scaling (Which is separate from CPU frequency scaling) In the A64, it is tied to the DRAM controller.

Component	Config	Module	.ko
Devfreq	ARM_SUN8I_A33_MBUS_DEVFREQ	sun8i_a33_mbus	sun8i-a33-mbus

Crypto

Component	Config	Module	.ko
Allwiner core	CRYPTO_DEV_ALLWINNER	sun8i_ce	sun8i-ce
A64 core	CRYPTO_DEV_SUN8I_CE	sun8i_ce	sun8i-ce
Hashes	CRYPTO_DEV_SUN8I_CE_HASH	sun8i_ce	sun8i-ce
Pseudo-Random	CRYPTO_DEV_SUN8I_CE_PRNG	sun8i_ce	sun8i-ce
True-Random	CRYPTO_DEV_SUN8I_CE_TRNG	sun8i_ce	sun8i-ce
Debug	CRYPTO_DEV_SUN8I_CE_DEBUG	sun8i_ce	sun8i-ce

Watchdog

A kernel API for a hardware timer that can reboot the system when a userspace daemon stops responding

https://linux.die.net/man/8/watchdog

https://www.kernel.org/doc/Documentation/watchdog/watchdog-api.txt

Component	Config	Module	.ko
Watchdog	SUNXI_WATCHDOG	sunxi_wdt	sun6i_mipi_dsi

Pulse Width Modulation

Used by LEDs & backlight

https://docs.kernel.org/driver-api/pwm.html

Component	Config	Module	.ko
PWM	PWM_SUN4I	pwm_sun4i	pwm-sun4i

DMA Controller

Used letting peripherals access the system memory without eating CPU cycles

Required for:

• SPDIF
• I2S
• DAI

Optional for:

• SPI

Component	Config	Module	.ko
DMA Controller	DMA_SUN6I	sun6i_dma	sun6i-dma

Camera Sensor Interface

TODO

Component	Config	Module	.ko
Camera	VIDEO_SUN6I_CSI	sun6i_csi	sun6i-csi