From a2df3aead3e023857330a803c664ee97a7bd9b97 Mon Sep 17 00:00:00 2001 From: Diederik de Haas Date: Sun, 13 Jul 2025 18:16:36 +0200 Subject: [PATCH] arm64: dts: rockchip: Add rtc0 alias for NanoPi R5S + R5C The RTC_HCTOSYS_DEVICE module defaults to rtc0 and should (highly) preferable be assigned to a battery backed RTC module as it is used to (re)initialize the system clock. The R5S and R5C have a connector for a RTC battery which is used by HYM8563 RTC. Both devices also have another RTC from the rk809 PMIC. To make sure the HYM8563 is always assigned rtc0, add an alias for it. Signed-off-by: Diederik de Haas Link: https://lore.kernel.org/r/20250713161723.270963-1-didi.debian@cknow.org Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi index a28b4af10d13a..f4d042bdd3288 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi @@ -18,6 +18,7 @@ aliases { mmc0 = &sdmmc0; mmc1 = &sdhci; + rtc0 = &hym8563; }; chosen: chosen { -- 2.47.2