From: David Heidelberg <david@ixit.cz>
Date: Thu, 13 Aug 2020 21:34:09 +0000 (+0300)
Subject: ARM: tegra: nexus7: Add SMB347 battery charger
X-Git-Tag: microblaze-v5.11~29^2~19^2
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=c2ef3aa464a70f73f4fc763e6f54f689c2ee6d6a;p=linux-2.6-microblaze.git

ARM: tegra: nexus7: Add SMB347 battery charger

SMB347 is a battery charger controller which is found on the Nexus 7
device.

Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi
index a84b8e3f71f2..88ca03f57b3b 100644
--- a/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi
+++ b/arch/arm/boot/dts/tegra30-asus-nexus7-grouper-common.dtsi
@@ -2,6 +2,7 @@
 
 #include <dt-bindings/input/gpio-keys.h>
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/power/summit,smb347-charger.h>
 #include <dt-bindings/thermal/thermal.h>
 
 #include "tegra30.dtsi"
@@ -922,9 +923,24 @@
 			#thermal-sensor-cells = <1>;
 		};
 
-		battery@55 {
+		fuel-gauge@55 {
 			compatible = "ti,bq27541";
 			reg = <0x55>;
+			power-supplies = <&power_supply>;
+			monitored-battery = <&battery_cell>;
+		};
+
+		power_supply: charger@6a {
+			compatible = "summit,smb347";
+			reg = <0x6a>;
+
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_GPIO(V, 1) IRQ_TYPE_EDGE_BOTH>;
+
+			summit,enable-charge-control = <SMB3XX_CHG_ENABLE_PIN_ACTIVE_LOW>;
+			summit,enable-usb-charging;
+
+			monitored-battery = <&battery_cell>;
 		};
 	};
 
@@ -1019,6 +1035,12 @@
 		default-brightness-level = <15>;
 	};
 
+	battery_cell: battery-cell {
+		compatible = "simple-battery";
+		constant-charge-current-max-microamp = <1800000>;
+		operating-range-celsius = <0 45>;
+	};
+
 	/* PMIC has a built-in 32KHz oscillator which is used by PMC */
 	clk32k_in: clock@0 {
 		compatible = "fixed-clock";