Commit 426f12e3 authored by David Boddie's avatar David Boddie 💬
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Add a basic hardware page for Chestnut

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......@@ -12,5 +12,6 @@ This chapter contains a description of the hardware included with the Librem 5 d
Hardware_Reference/devkit
Hardware_Reference/Birch
Hardware_Reference/Chestnut
.. include:: /links.txt
.. _hardware_reference_chestnut:
Librem 5 Phone -- Chestnut
==========================
The sections on this page contain information about the Chestnut revision of the Librem 5 phone.
.. contents::
:local:
Quick Start Guide
-----------------
The version of the Quick Start Guide included with the phone can be downloaded: :download:`Librem5-Quick-Start-1.1.0.pdf <_files/Librem5-Quick-Start-1.1.0.pdf>`
Components
----------
System on Chip and Peripherals
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* `Customer grade i.MX 8M Quad <https://www.nxp.com/products/processors-and-microcontrollers/arm-based-processors-and-mcus/i.mx-applications-processors/i.mx-8-processors/i.mx-8m-family-armcortex-a53-cortex-m4-audio-voice-video:i.MX8M>`_ [`datasheet <https://www.nxp.com/docs/en/data-sheet/IMX8MDQLQIEC.pdf>`_]
and [`reference manual <https://www.nxp.com/webapp/Download?colCode=IMX8MDQLQRM>`_]
* Four ARM Cortex-A53 cores.
* One Cortex-M4.
* Vivante GC7000Lite graphics
* 1 ⨉ Gigabit Ethernet
* 32 GB eMMC
* 3GB RAM
* SPI NOR Flash
* Real Time Clock (RTC)
.. _`hardware_ref_chestnut_audio`:
Audio
~~~~~
* Wolfson Media WM8962
* Headphones and external microphone via CTIA-configured 3.5mm jack
* Loudspeaker
Battery
~~~~~~~
* `Texas Instruments BQ25895 <http://www.ti.com/product/BQ25895>`_ battery charge controller [`datasheet <BQ25895_>`_]
Bluetooth, Wi-Fi, WWAN
~~~~~~~~~~~~~~~~~~~~~~
* Bluetooth I2S interface
* Bluetooth (SDIO)
* RedPine WiFi/BT M.2 module on SDIO
* Broadmobi BM818-E1 or BM818-A1 WWAN module
Camera
~~~~~~
* `LN3560 Synchronous Boost Flash Driver <https://www.ti.com/product/LM3560/technicaldocuments>`_ [`datasheet <LM3560_>`_]
.. _`hardware_ref_chestnut_display`:
Display
~~~~~~~
* Mantix MLAF057WE51 MIPI DSI LCD panel: 720x1440 pixels and touch
controller
.. _`hardware_ref_chestnut_kill_switches`:
GNSS
~~~~
* `Teseo-LIV3F`_ multiconstellation GNSS receiver (UART2 interface and antenna)
Hardware Kill Switches
~~~~~~~~~~~~~~~~~~~~~~
* Diodes Incorporated Power Switch [`datasheet <AP2281_>`_]
* WWAN (Modem)
* WiFi/Bluetooth
* Microphone and Camera
.. _hardware_ref_chestnut_headers:
Headers
~~~~~~~
* JTAG header (unpopulated)
* UART debug (UART1 interface, unpopulated):
.. _`hardware_ref_chestnut_push_buttons`:
LEDs
~~~~
* Used for `indicating charging status <LED colors_>`_
.. _`hardware_ref_chestnut_micro_sd`:
.. _`hardware_ref_chestnut_nano_sim`:
nano-SIM and microSD Cards
~~~~~~~~~~~~~~~~~~~~~~~~~~
* Combined microSD and nano-SIM slot
Push Buttons
~~~~~~~~~~~~
* Power
* Volume up
* Volume down
Sensors and Motors
~~~~~~~~~~~~~~~~~~
* Haptic motor
* `ST LSM9DS1 accelerometer, gyro, magnetometer <https://www.st.com/en/mems-and-sensors/lsm9ds1.html>`_ [`datasheet <LSM9DS1_>`_]
* Vishay VCML4040 proximity and ambient light sensor [`datasheet <VCNL4040M3OE-H5_>`_]
.. _`hardware_ref_chestnut_smart_card`:
Smart Card
~~~~~~~~~~
.. * `Microchip SEC1110 <https://www.microchip.com/wwwproducts/en/SEC1110>`_ smart card reader [`datasheet <SEC1110_>`_]
.. * Amphenol 1010027182 smart card slot [`datasheet <1010027182_>`_]
.. _`hardware_ref_chestnut_usb`:
USB
~~~
* Serial Downloader support (loading u-boot via USB)
* USB-C port including USB-C role switching
* `USB Hub and SD controller <https://www.microchip.com/wwwproducts/en/USB2642>`_ [`datasheet <USB2642_>`_]
Schematics
----------
The following schematics are available:
* Librem 5 Chestnut main board: :download:`librem5_chestnut_mainboard_schematic.pdf <_files/librem5_chestnut_mainboard_schematic.pdf>`
* Librem 5 Chestnut USB C board: :download:`librem5_chestnut_usb-c_board_schematic.pdf <_files/librem5_chestnut_usb-c_board_schematic.pdf>`
.. include:: /links.txt
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