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Fri, 11 Sep 2026 09:41:29 -0700 (PDT) X-Received: by 2002:a17:90a:d64c:b0:38e:2e86:ed02 with SMTP id 98e67ed59e1d1-39d9c1b6992mr8112043a91.14.1789144889329; Fri, 11 Sep 2026 09:41:29 -0700 (PDT) Received: from [10.213.109.130] ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39d9b2a8076sm1618171a91.1.2026.09.11.09.41.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Sep 2026 09:41:29 -0700 (PDT) From: Jishnu Prakash Date: Fri, 11 Sep 2026 22:10:39 +0530 Subject: [PATCH v6 1/4] arm64: dts: qcom: pm4125: Add VADC and temp alarm nodes Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260911-shikra_adc_support-v6-1-e4b2da5cd55c@oss.qualcomm.com> References: <20260911-shikra_adc_support-v6-0-e4b2da5cd55c@oss.qualcomm.com> In-Reply-To: <20260911-shikra_adc_support-v6-0-e4b2da5cd55c@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Kamal Wadhwa , Rakesh Kota , Jishnu Prakash , Konrad Dybcio X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; 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Add temperature alarm node, used for PMIC thermal mitigation. Co-developed-by: Rakesh Kota Signed-off-by: Rakesh Kota Reviewed-by: Konrad Dybcio Signed-off-by: Jishnu Prakash --- arch/arm64/boot/dts/qcom/pm4125.dtsi | 104 +++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/pm4125.dtsi b/arch/arm64/boot/dts/qcom/pm4125.dtsi index 3dc8d667d091..77de9db8c119 100644 --- a/arch/arm64/boot/dts/qcom/pm4125.dtsi +++ b/arch/arm64/boot/dts/qcom/pm4125.dtsi @@ -8,6 +8,35 @@ #include #include +/ { + thermal-zones { + pm4125-thermal { + polling-delay-passive = <100>; + thermal-sensors = <&pm4125_tz>; + + trips { + pm4125_trip0: trip0 { + temperature = <105000>; + hysteresis = <0>; + type = "passive"; + }; + + pm4125_trip1: trip1 { + temperature = <125000>; + hysteresis = <0>; + type = "hot"; + }; + + pm4125_trip2: trip2 { + temperature = <155000>; + hysteresis = <0>; + type = "critical"; + }; + }; + }; + }; +}; + &spmi_bus { pmic@0 { compatible = "qcom,pm2250", "qcom,spmi-pmic"; @@ -65,6 +94,81 @@ pm4125_typec: typec@1500 { status = "disabled"; }; + pm4125_tz: temp-alarm@2400 { + compatible = "qcom,spmi-temp-alarm"; + reg = <0x2400>; + interrupts = <0x0 0x24 0x0 IRQ_TYPE_EDGE_BOTH>; + io-channels = <&pm4125_adc ADC5_DIE_TEMP>; + io-channel-names = "thermal"; + #thermal-sensor-cells = <0>; + }; + + pm4125_adc: adc@3100 { + compatible = "qcom,spmi-adc5"; + reg = <0x3100>; + #address-cells = <1>; + #size-cells = <0>; + #io-channel-cells = <1>; + interrupts = <0x0 0x31 0x0 IRQ_TYPE_EDGE_RISING>; + + /* Channel nodes */ + channel@0 { + reg = ; + label = "ref_gnd"; + qcom,pre-scaling = <1 1>; + }; + + channel@1 { + reg = ; + label = "vref_1p25"; + qcom,pre-scaling = <1 1>; + }; + + channel@6 { + reg = ; + label = "die_temp"; + qcom,pre-scaling = <1 1>; + }; + + channel@7 { + reg = ; + label = "usb_in_i_uv"; + qcom,pre-scaling = <1 1>; + }; + + channel@8 { + reg = ; + label = "usb_in_v_div_16"; + qcom,pre-scaling = <1 16>; + }; + + channel@9 { + reg = ; + label = "chg_temp"; + qcom,pre-scaling = <1 1>; + }; + + channel@4b { + reg = ; + label = "bat_id"; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + qcom,pre-scaling = <1 1>; + }; + + channel@83 { + reg = ; + label = "vph_pwr"; + qcom,pre-scaling = <1 3>; + }; + + channel@84 { + reg = ; + label = "vbat_sns"; + qcom,pre-scaling = <1 3>; + }; + }; + rtc@6000 { compatible = "qcom,pm8941-rtc"; reg = <0x6000>, <0x6100>; -- 2.43.0