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threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
Squashed backup commit (no shallow-clone history issues) of
xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
commit 9eece662e) plus all fixes applied to get everpal_defconfig building
clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
message on the lineage-23.2 branch (also in this repo history is not
available here since this is a squashed snapshot; full incremental history
lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

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* sun6i Real Time Clock
RTC controller for the Allwinner A31
Required properties:
- compatible : Should be "allwinner,sun6i-a31-rtc"
- reg : physical base address of the controller and length of
memory mapped region.
- interrupts : IRQ lines for the RTC alarm 0 and alarm 1, in that order.
Required properties for new device trees
- clocks : phandle to the 32kHz external oscillator
- clock-output-names : names of the LOSC and its external output clocks created
- #clock-cells : must be equals to 1. The RTC provides two clocks: the
LOSC and its external output, with index 0 and 1
respectively.
Example:
rtc: rtc@01f00000 {
compatible = "allwinner,sun6i-a31-rtc";
reg = <0x01f00000 0x54>;
interrupts = <0 40 4>, <0 41 4>;
clock-output-names = "osc32k", "osc32k-out";
clocks = <&ext_osc32k>;
#clock-cells = <1>;
};