linux-kernel - [PATCH v2] arm64: dts: qcom: sa8775p: pmic: enable rtc

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Message-Id: <20250529-add-rtc-for-sa8775p-v2-1-f06fd212c0e5@oss.qualcomm.com>
Date: Thu, 29 May 2025 11:47:08 +0800
From: Tingguo Cheng <tingguo.cheng@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: Rakesh Kota <quic_kotarake@...cinc.com>,
        Tingwei Zhang <quic_tingweiz@...cinc.com>, kernel@...cinc.com,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Tingguo Cheng <tingguo.cheng@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>
Subject: [PATCH v2] arm64: dts: qcom: sa8775p: pmic: enable rtc

Add RTC node, the RTC is controlled by PMIC device via spmi bus.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Tingguo Cheng <tingguo.cheng@....qualcomm.com>
---
Changes in v2:
- Changed the Email address from quicinc.com to oss.qualcomm.com.
- Removed the 'allow-set-time' property because APPS is prohibited from setting the hardware RTC time.
- Rebased on next-20250528.
- Link to v1: https://lore.kernel.org/r/20240902104302.3959670-1-quic_tingguoc@quicinc.com
---
 arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi b/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
index 1369c3d43f866de9d8cd5cd4985241b99c0a0454..9e0d05c1b39ce229d5d4310ea1df1bf02e689178 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p-pmics.dtsi
@@ -132,6 +132,13 @@ pmm8654au_0_pon_resin: resin {
 			};
 		};
 
+		pmm8654au_0_rtc: rtc@...0 {
+			compatible = "qcom,pmk8350-rtc";
+			reg = <0x6100>, <0x6200>;
+			reg-names = "rtc", "alarm";
+			interrupts = <0x0 0x62 0x1 IRQ_TYPE_EDGE_RISING>;
+		};
+
 		pmm8654au_0_gpios: gpio@...0 {
 			compatible = "qcom,pmm8654au-gpio", "qcom,spmi-gpio";
 			reg = <0x8800>;

---
base-commit: 4788e5176e2ae85ec6d2022a5a79aae0da083154
change-id: 20250529-add-rtc-for-sa8775p-726de6e77500

Best regards,
-- 
Tingguo Cheng <tingguo.cheng@....qualcomm.com>