Re: [PATCH v2 3/3] riscv: dts: sophgo: add rtc dt node for CV1800
From: Inochi Amaoto
Date: Sun Dec 17 2023 - 23:15:55 EST
>Add the rtc device tree node to cv1800 SoC.
>
>Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@xxxxxxxxx>
>---
> arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 7 +++++++
> 1 file changed, 7 insertions(+)
>
>diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
>index df40e87ee063..429bee76f677 100644
>--- a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
>+++ b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
>@@ -119,5 +119,12 @@ clint: timer@74000000 {
> reg = <0x74000000 0x10000>;
> interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
> };
>+
>+ rtc@5025000 {
>+ compatible = "sophgo,cv1800-rtc";
>+ reg = <0x5025000 0x1000>, <0x5026000 0x1000>;
>+ clocks = <&osc>;
IIRC, the clock is not osc, but the clock controller with id CLK_RTC_25M.
Please read the manual again and ensure this is the right clock.
>+ interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
>+ };
> };
> };
>--
>2.25.1
>