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From: Artur Weber <aweber.kernel@gmail.com>
To: Krzysztof Kozlowski <krzk@kernel.org>,
	 Chanwoo Choi <cw00.choi@samsung.com>
Cc: Sebastian Reichel <sre@kernel.org>, Rob Herring <robh@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>, Lee Jones <lee@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Alim Akhtar <alim.akhtar@samsung.com>,
	linux-pm@vger.kernel.org,  devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	 linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org,
	 ~postmarketos/upstreaming@lists.sr.ht,
	Henrik Grimler <henrik@grimler.se>,
	 Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de>,
	 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>,
	 Artur Weber <aweber.kernel@gmail.com>
Subject: [PATCH v2 8/9] ARM: dts: samsung: exynos4212-tab3: Add battery node with charge current value
Date: Mon, 15 Jul 2024 14:55:10 +0200	[thread overview]
Message-ID: <20240715-max77693-charger-extcon-v2-8-0838ffbb18c3@gmail.com> (raw)
In-Reply-To: <20240715-max77693-charger-extcon-v2-0-0838ffbb18c3@gmail.com>

This value was verified by comparing register dumps of the MAX77693
charger with on mainline with a downstream kernel under Android; the
value on downstream was set to 1.8 amps when charging with a proper
charger.

Add it to a new battery node and pass it to the MAX77693 charger
so that the fast charge current setting can be used for charging.

Signed-off-by: Artur Weber <aweber.kernel@gmail.com>
---
Changes in v2:
- Switched to monitored-battery
---
 arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
index e5254e32aa8f..7905e33234f2 100644
--- a/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
+++ b/arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
@@ -153,6 +153,7 @@ charger_reg: CHARGER {
 
 			charger {
 				compatible = "maxim,max77693-charger";
+				monitored-battery = <&battery>;
 
 				maxim,constant-microvolt = <4350000>;
 				maxim,min-system-microvolt = <3600000>;
@@ -294,6 +295,11 @@ submic_bias_reg: voltage-regulator-5 {
 		regulator-max-microvolt = <2800000>;
 	};
 
+	battery: battery {
+		compatible = "simple-battery";
+		constant-charge-current-max-microamp = <1800000>;
+	};
+
 	sound: sound {
 		compatible = "samsung,midas-audio";
 		model = "TAB3";

-- 
2.45.2


  parent reply	other threads:[~2024-07-15 12:55 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-15 12:55 [PATCH v2 0/9] power: supply: max77693: Toggle charging/OTG based on extcon status Artur Weber
2024-07-15 12:55 ` [PATCH v2 1/9] dt-bindings: power: supply: max77693: Add monitored-battery property Artur Weber
2024-07-22  5:48   ` Krzysztof Kozlowski
2024-07-15 12:55 ` [PATCH v2 2/9] dt-bindings: power: supply: max77693: Add maxim,usb-connector property Artur Weber
2024-07-22  5:49   ` Krzysztof Kozlowski
2024-07-15 12:55 ` [PATCH v2 3/9] regulator: max77693: Set fast charge current in MAX77693 CHARGER regulator Artur Weber
2024-07-15 12:55 ` [PATCH v2 4/9] power: supply: max77693: Expose CURRENT_MAX property Artur Weber
2024-07-15 12:55 ` [PATCH v2 5/9] power: supply: max77693: Set charge current limits during init Artur Weber
2024-07-25 15:37   ` Lee Jones
2024-07-15 12:55 ` [PATCH v2 6/9] power: supply: max77693: Add USB extcon detection for enabling charging Artur Weber
2024-07-20 20:59   ` Artur Weber
2024-07-15 12:55 ` [PATCH v2 7/9] power: supply: max77693: Add support for detecting and enabling OTG Artur Weber
2024-07-25 15:38   ` Lee Jones
2024-07-15 12:55 ` Artur Weber [this message]
2024-07-15 12:55 ` [PATCH v2 9/9] ARM: dts: samsung: exynos4212-tab3: Add USB connector node Artur Weber

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