linux-kernel - [PATCH 9/9] arm: dts: qcom: apq8064-nexus7: Add smb345 charger node

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Message-Id: <20200329162128.218584-10-david@ixit.cz>
Date:   Sun, 29 Mar 2020 18:21:28 +0200
From:   David Heidelberg <david@...t.cz>
To:     Sebastian Reichel <sre@...nel.org>,
        Jonghwa Lee <jonghwa3.lee@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Myungjoo Ham <myungjoo.ham@...sung.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        John Stultz <john.stultz@...aro.org>,
        Vinay Simha BN <simhavcs@...il.com>,
        mika.westerberg@...ux.intel.com, ramakrishna.pallala@...el.com,
        Dmitry Osipenko <digetx@...il.com>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     David Heidelberg <david@...t.cz>, Rob Herring <robh+dt@...nel.org>,
        devicetree@...r.kernel.org
Subject: [PATCH 9/9] arm: dts: qcom: apq8064-nexus7: Add smb345 charger node

Add smb345 charger node to Nexus 7 2013 DTS.
Proper charger initialization also prevents battery from overcharging.

Original author: Vinay Simha BN <simhavcs@...il.com>

Signed-off-by: David Heidelberg <david@...t.cz>
---
 .../boot/dts/qcom-apq8064-asus-nexus7-flo.dts | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
index a701d4bac320..9f14216a22f1 100644
--- a/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-asus-nexus7-flo.dts
@@ -3,6 +3,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include <dt-bindings/power/summit,smb347-charger.h>
 / {
 	model = "Asus Nexus7(flo)";
 	compatible = "asus,nexus7-flo", "qcom,apq8064";
@@ -293,11 +294,30 @@ eeprom@52 {
 					pagesize = <32>;
 				};
 
-				bq27541@55 {
+				bat: battery@55 {
 					compatible = "ti,bq27541";
 					reg = <0x55>;
+					power-supplies = <&power_supply>;
 				};
 
+				power_supply: charger@6a {
+					compatible = "summit,smb345";
+					reg = <0x6a>;
+
+					interrupt-parent = <&tlmm_pinmux>;
+					interrupts = <23 IRQ_TYPE_EDGE_BOTH>;
+
+					summit,max-chg-curr = <1800000>;
+					summit,usb-curr-limit = <500000>;
+
+					summit,chip-temp-threshold = <110>;
+
+					summit,enable-usb-charging;
+					summit,enable-otg-charging;
+
+					summit,enable-chg-ctrl =
+						<SMB3XX_CHG_ENABLE_SW>;
+				};
 			};
 		};
 
-- 
2.25.0