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authorFUKAUMI Naoki <naoki@radxa.com>2025-12-02 08:49:41 +0000
committerHeiko Stuebner <heiko@sntech.de>2025-12-22 14:28:54 +0100
commite3b12fc3336240e7dee4989b9e8634be3c959c94 (patch)
tree3ceb231c80c421138f0a3b542bec915989884921 /include/linux/i2c/git@git.tavy.me:linux.git
parent1b2d6b75e2b3374157c9015435381b217a887145 (diff)
arm64: dts: rockchip: Add EEPROMs for Radxa rk35xx boards
The BL24C16A EEPROM is found in the schematics for Radxa CM3I, Radxa ROCK 3A, 3B, 5B+, and 5T. [1] [2] [3] [4] [5] The BL24C16F EEPROM is found in the schematic for Radxa ROCK 4D. [6] Add these eeprom nodes. These are designed to have data written during factory programming (regardless of whether data is actually written or not), and we at Radxa permit users to read the data but not write to it. [8] Therefore, we will add a read-only property to the eeprom node. [1] https://dl.radxa.com/cm3i/docs/hw/radxa_cm3i_v1310_schematic.pdf p.8 [2] https://dl.radxa.com/rock3/docs/hw/3a/radxa_rock_3a_v1310_schematic.pdf p.7 [3] https://dl.radxa.com/rock3/docs/hw/3b/Radxa_ROCK_3B_V1.51_SCH.pdf p.35 [4] https://dl.radxa.com/rock5/5b+/docs/hw/radxa_rock5bp_v1.2_schematic.pdf p.29 [5] https://dl.radxa.com/rock5/5t/docs/hw/radxa_rock5t_schematic_v1.2_20250109.pdf p.36 [6] https://dl.radxa.com/rock4/4d/docs/hw/Radxa_ROCK_4D_SCH_V1.12.pdf p.23 [7] https://github.com/radxa/u-boot/blob/next-dev-v2024.10/drivers/misc/radxa-i2c-eeprom.c Signed-off-by: FUKAUMI Naoki <naoki@radxa.com> Link: https://patch.msgid.link/20251202084941.1785-4-naoki@radxa.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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