arm64: dts: allwinner: a100: Add LRADC node

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A100/A133 SoCs feature a Low Rate ADC (LRADC) for Key application.

Specs:
- Power supply voltage: 1.8 V
- Reference voltage: 1.35 V
- Interrupt support
- Support Hold Key and General Key
- Support normal, continue and single work mode
- 6-bits resolution, sample rate up to 2 kHz
- Voltage input range between 0 and 1.35 V

Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://patch.msgid.link/20260623204824.691832-6-alexander.sverdlin@gmail.com
Signed-off-by: Chen-Yu Tsai <wens@kernel.org>

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Alexander Sverdlin 2026-06-23 22:48:17 +02:00 • committed by Chen-Yu Tsai

parent 5e5e8a2e5a

commit 8fa3a2bf77

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arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi

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