[PATCH v2 4/4] arm64: dts: qcom: sdm850-lenovo-yoga-c630: fix RTC offset info
From: Dmitry Baryshkov
Date: Sat Jun 21 2025 - 16:00:05 EST
Lenovo Yoga C630 as most of the other WoA devices stores RTC offset in
the UEFI variable. Add corresponding property to the RTC device in order
to make RTC driver wait for UEFI variables to become available and then
read offset value from the corresponding variable.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/pm8998.dtsi | 2 +-
arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts | 4 ++++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/pm8998.dtsi b/arch/arm64/boot/dts/qcom/pm8998.dtsi
index 3ecb330590e59a6640f833a0bf4d2c62f40de17d..50b41942b06cf1a3f43f9c754b3bf2e1eaa4d353 100644
--- a/arch/arm64/boot/dts/qcom/pm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm8998.dtsi
@@ -101,7 +101,7 @@ pm8998_adc_tm: adc-tm@3400 {
status = "disabled";
};
- rtc@6000 {
+ pm8998_rtc: rtc@6000 {
compatible = "qcom,pm8941-rtc";
reg = <0x6000>, <0x6100>;
reg-names = "rtc", "alarm";
diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
index 8ef6db3be6e3dffe4ec819288193a183b32db8e8..c0c007ce8682cacd1cbfe816ddb975c0a099ac89 100644
--- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
+++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
@@ -592,6 +592,10 @@ sw_edp_1p2_en: pm8998-gpio9-state {
};
};
+&pm8998_rtc {
+ qcom,uefi-rtc-info;
+};
+
&qup_i2c10_default {
drive-strength = <2>;
bias-disable;
--
2.39.5