Linux ARM-MSM sub-architecture
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From: Dzmitry Sankouski <dsankouski@gmail.com>
To: Chanwoo Choi <cw00.choi@samsung.com>,
	 Krzysztof Kozlowski <krzk@kernel.org>,
	Lee Jones <lee@kernel.org>,  Rob Herring <robh@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	 Bjorn Andersson <andersson@kernel.org>,
	 Konrad Dybcio <konradybcio@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	 linux-arm-msm@vger.kernel.org,
	 Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
	 Dzmitry Sankouski <dsankouski@gmail.com>
Subject: [PATCH v4 2/3] arch: arm64: dts: qcom: sdm845-starqltechn: fix max77705 interrupts
Date: Thu, 25 Sep 2025 22:38:38 +0300	[thread overview]
Message-ID: <20250925-starqltechn-correct_max77705_nodes-v4-2-93b706bdda58@gmail.com> (raw)
In-Reply-To: <20250925-starqltechn-correct_max77705_nodes-v4-0-93b706bdda58@gmail.com>

Since max77705 has a register, which indicates interrupt source, it acts
as an interrupt controller.

Direct MAX77705's subdevices to use the IC's internal interrupt
controller, instead of listening to every interrupt fired by the
chip towards the host device.

Fixes: 7a88a931d095 ("arm64: dts: qcom: sdm845-starqltechn: add max77705 PMIC")
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
---
Changes for v2:
- fix commit message to be more clear

Changes for v2:
- fix commit msg header prefix to 'arm64: dts: qcom: sdm845-starqltechn:'
- remove binding header for interrupt numbers
- make interrupt-cells 1, because irq trigger type is not used
---
 arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
index 45c7aa0f602d..41c93c801703 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
@@ -599,13 +599,15 @@ &uart9 {
 &i2c14 {
 	status = "okay";
 
-	pmic@66 {
+	max77705: pmic@66 {
 		compatible = "maxim,max77705";
 		reg = <0x66>;
 		interrupt-parent = <&pm8998_gpios>;
 		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-controller;
 		pinctrl-0 = <&pmic_int_default>;
 		pinctrl-names = "default";
+		#interrupt-cells = <1>;
 
 		leds {
 			compatible = "maxim,max77705-rgb";
@@ -644,8 +646,8 @@ max77705_charger: charger@69 {
 		reg = <0x69>;
 		compatible = "maxim,max77705-charger";
 		monitored-battery = <&battery>;
-		interrupt-parent = <&pm8998_gpios>;
-		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-parent = <&max77705>;
+		interrupts = <0>;
 	};
 
 	fuel-gauge@36 {
@@ -653,8 +655,8 @@ fuel-gauge@36 {
 		compatible = "maxim,max77705-battery";
 		power-supplies = <&max77705_charger>;
 		maxim,rsns-microohm = <5000>;
-		interrupt-parent = <&pm8998_gpios>;
-		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-parent = <&max77705>;
+		interrupts = <2>;
 	};
 };
 

-- 
2.39.5


  parent reply	other threads:[~2025-09-25 19:38 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-25 19:38 [PATCH v4 0/3] starqltechn: fix max77705 device irqs Dzmitry Sankouski
2025-09-25 19:38 ` [PATCH v4 1/3] arm64: dts: qcom: sdm845-starqltechn: remove (address|size)-cells Dzmitry Sankouski
2025-09-25 19:38 ` Dzmitry Sankouski [this message]
2025-09-25 20:49   ` [PATCH v4 2/3] arch: arm64: dts: qcom: sdm845-starqltechn: fix max77705 interrupts Dmitry Baryshkov
2025-09-25 19:38 ` [PATCH v4 3/3] dt-bindings: max77705: add interrupt-controller property Dzmitry Sankouski
2025-09-25 20:50   ` Dmitry Baryshkov
2025-10-01  9:59   ` Lee Jones

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