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3 Commits

Author SHA1 Message Date
Binbin Zhou
5d4899d485 dt-bindings: rtc: loongson: Document Loongson-2K0300 compatible 
Add "loongson,ls2k0300-rtc" dedicated compatible to represent the RTC
interface of the Loongson-2K0300 chip.

Its hardware design is similar to that of the Loongson-1B, but it does
not support the alarm feature.

Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/0c6a4fd221b5bf05f06cae9bb543a5bf7ea59f57.1768616276.git.zhoubinbin@loongson.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
 2026-01-31 00:12:32 +01:00
Binbin Zhou
da9934a658 dt-bindings: rtc: loongson: Correct Loongson-1C interrupts property 
The `interrupts` property indicates an RTC alarm interrupt, which is
required for RTCs that support the alarm feature, which is not supported
by the Loongson-1C RTC. We exclude it for a more accurate description.

Changing the `allowed` property is ABI-breaking behavior, but
throughout the existing Loongson DTS{i}, the description of the RTC
nodes conforms to the modified bingding rules.

Thus, the existing Loongson DTS{i} will not be affected.

Fixes: 487ef32cae ("dt-bindings: rtc: Split loongson,ls2x-rtc into SoC-based compatibles")
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/b6295c907410f6708115cba4df0959ee6629f8a5.1768616276.git.zhoubinbin@loongson.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
 2026-01-31 00:12:31 +01:00
Binbin Zhou
487ef32cae dt-bindings: rtc: Split loongson,ls2x-rtc into SoC-based compatibles 
Move Loongson RTC bindings from trivial-rtc.yaml into loongson,rtc.yaml.

The architectures associated with this driver use the built-in DTB, so
we can just drop the compatible(rtc-ls2x) with wildcards.
Also, soc-based compatible is more accurate for hardware differences
between chips.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/1b0bb443bd74647c17b7902f3d719700f81a1dba.1685693501.git.zhoubinbin@loongson.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
 2023-06-26 01:19:03 +02:00