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arm64: dts: rockchip: Document unused device on i2c1

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Update the i2c1 bus noting that the unknown/unused device at 0x3c is an
iSmartWare SW2001 "encryption IC".

Based on the documentation I was able to find, this IC appears to be
used to authenticate a device for certain programs to ensure they only
run on authorized devices as a form of digital rights management.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://lore.kernel.org/r/20250604024119.381337-1-macroalpha82@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Chris Morgan 2025-06-03 21:41:19 -05:00 committed by Heiko Stuebner
parent 8674f05975
commit e0d47ff478
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi
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@ -469,7 +469,7 @@ regulator-state-mem {
};
&i2c1 {
/* Unknown/unused device at 0x3c */
/* Unused iSmartWare SW2001 encryption device at 0x3c */
status = "disabled";
};