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From:   Konrad Dybcio <konrad.dybcio@linaro.org>
Date:   Fri, 11 Aug 2023 22:58:22 +0200
Subject: [PATCH RFT] arm64: dts: qcom: sc7280: Add missing LMH interrupts
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Message-Id: <20230811-topic-7280_lmhirq-v1-1-c262b6a25c8f@linaro.org>
To:     cros-qcom-dts-watchers@chromium.org,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Taniya Das <quic_tdas@quicinc.com>,
        Matthias Kaehlcke <mka@chromium.org>
Cc:     Marijn Suijten <marijn.suijten@somainline.org>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Konrad Dybcio <konrad.dybcio@linaro.org>
Precedence: bulk

Hook up the interrupts that signal the Limits Management Hardware has
started some sort of throttling action.

Fixes: 7dbd121a2c58 ("arm64: dts: qcom: sc7280: Add cpufreq hw node")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
test case:

- hammer the CPUs (like compile the Linux kernel)
- watch -n1 "cat /proc/interrupts | grep dcvsh"
- the numbers go up up up up -> good
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 925428a5f6ae..76ed32c8d6f7 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -5363,6 +5363,14 @@ cpufreq_hw: cpufreq@18591000 {
 			reg = <0 0x18591000 0 0x1000>,
 			      <0 0x18592000 0 0x1000>,
 			      <0 0x18593000 0 0x1000>;
+
+			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "dcvsh-irq-0",
+					  "dcvsh-irq-1",
+					  "dcvsh-irq-2";
+
 			clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_GPLL0>;
 			clock-names = "xo", "alternate";
 			#freq-domain-cells = <1>;

---
base-commit: 21ef7b1e17d039053edaeaf41142423810572741
change-id: 20230811-topic-7280_lmhirq-e07ad2530387

Best regards,
-- 
Konrad Dybcio <konrad.dybcio@linaro.org>