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Librem5Phone » History » Version 14

Denis 'GNUtoo' Carikli, 02/10/2020 10:22 PM
Add an article about the Librem5: The writer(s) did their work correctly and also gave broader context which is interesting.

1 1 Denis 'GNUtoo' Carikli
h1. Librem5
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Two early batches (Birch and Chestnut) of Librem 5 are already in the hands of backers and developers. Another batch, Dogwood, is expected in March 2020 and then a mass produced one, Evergreen, in Q2 2020.
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|_. Component | Hardware | Comments |
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| SoC | iMX8M Quad CPU |  * The non-free DDR4 controller firmware is "handled by a M4 core present in the SoC":https://puri.sm/posts/librem5-solving-the-first-fsf-ryf-hurdle/ and will be on a separate flash chip (so Replicant won't have to redistribute it).
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* The bootloader (u-boot + ATF) is going to be fully free and redistributable by Replicant. |
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| GPU |  Vivante GC7000Lite | * Supported in mainline Mesa by etnaviv driver. |
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| Display | 5.7″ 720x1440 display | |
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| Memory | 3GB RAM LPDDR4-3200 | |
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| Storage | 32GB eMMC
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microSD slot | |
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| Wireless | Redpine RS9116 802.11abgn 2.4 Ghz / 5Ghz + Bluetooth 5 & BLE | * Firmware loaded from an on-board flash memory. |
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| Audio | Wolfson Media WM8962 | |
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| Baseband | Gemalto PLS8 or Broadmobi BM818 on replaceable M.2 card | * Single SIM.
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* Both modems use QMI and AT.
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* Connected via USB and I2S.
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* On-modem GNSS receiver has disabled antenna. |
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| GPS | TESEO LIV3F multiconstellation GNSS receiver | * NMEA over UART |
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| Motion sensor | STmicroelectronicts LSM9DS1 | |
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| ALS/proximity | Vishay VCNL4040 | |
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| Smartcard | 3FF format smart cards | * Early batches use 2FF format card.
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TODO: 
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* How is it connected? 
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* What Android frameworks exist for smartcards? |
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| Back Camera w/LED flash | 1/3" 13Mpx CMOS sensor, S5K3L6XX; 4224×3136 active pixels;
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30fps @4K, 60fps @FHD, 120fps @HD; focusing range: 10cm - ∞ @AF; FOV: 81.5° | * No drivers yet. |
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| Front Camera | 1/4" 8Mpx CMOS sensor, YACG4D0C9SHC; 3264×2448 active pixels;
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30fps @QUXGA, 60fps @FHD (Crop), 90fps @HD; focusing range: 28.9-65.0cm; FOV: 83.3° | * No drivers yet. |
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| USB | USB-C functions handled by TPS65982
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Charging handled by TI BQ25895
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Battery monitored by MAX17055 | * USB-C connector for: PD charging, USB 3.0 client and host function, DisplayPort
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* Doesn't require non-free firmware to use the video out (via USB-C DisplayPort alt-mode). |
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h2. Schematics
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https://source.puri.sm/Librem5/l5-schematic/
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h2. Links
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* https://shop.puri.sm/shop/librem-5/
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* https://puri.sm/posts/librem-5-smartphone-final-specs-announced/
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* https://developer.puri.sm/Librem5/Hardware_Reference.html
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* https://arstechnica.com/gadgets/2020/01/librem-5-phone-hands-on-a-proof-of-concept-for-the-open-source-smartphone/