3 Commits

Author SHA1 Message Date
Neil Armstrong
07a634bf6c arm64: dts: khadas-vim3: add commented support for PCIe
The VIM3 on-board  MCU can mux the PCIe/USB3.0 shared differential
lines using a FUSB340TMX USB 3.1 SuperSpeed Data Switch between
an USB3.0 Type A connector and a M.2 Key M slot.
The PHY driving these differential lines is shared between
the USB3.0 controller and the PCIe Controller, thus only
a single controller can use it.

The needed DT configuration when the MCU is configured to mux
the PCIe/USB3.0 differential lines to the M.2 Key M slot is
added commented and may be uncommented to disable USB3.0 from the
USB Complex and enable the PCIe controller.

The End User is not expected to uncomment the following except for
testing purposes, but instead rely on the firmware/bootloader to
update these nodes accordingly if PCIe mode is selected by the MCU.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2019-10-03 08:43:04 -07:00
Neil Armstrong
4f26cc1c96 arm64: dts: khadas-vim3: move common nodes into meson-khadas-vim3.dtsi
To prepare support of the Amlogic SM1 based Khadas VIM3, move the non-G12B
specific nodes (all except DVFS and Audio) to a new meson-khadas-vim3.dtsi

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2019-08-29 16:17:42 -07:00
Christian Hewitt
c6d29c66e5 arm64: dts: meson-g12b-khadas-vim3: add initial device-tree
The Khadas VIM3 uses the Amlogic S922X or A311S SoC, both based on the
Amlogic G12B SoC family, on a board with the same form factor as the
VIM/VIM2 models. It ships in two variants; basic and
pro which differ in RAM and eMMC size:

- 2GB (basic) or 4GB (pro) LPDDR4 RAM
- 16GB (basic) or 32GB (pro) eMMC 5.1 storage
- 16MB SPI flash
- 10/100/1000 Base-T Ethernet
- AP6398S Wireless (802.11 a/b/g/n/ac, BT5.0)
- HDMI 2.1 video
- 1x USB 2.0 + 1x USB 3.0 ports
- 1x USB-C (power) with USB 2.0 OTG
- 3x LED's (1x red, 1x blue, 1x white)
- 3x buttons (power, function, reset)
- IR receiver
- M2 socket with PCIe, USB, ADC & I2C
- 40pin GPIO Header
- 1x micro SD card slot

A common meson-g12b-khadas-vim3.dtsi is added to support both S922X and
A311D SoCs supported by two variants of the board.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2019-08-12 13:21:12 -07:00