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 a84b8e3..88ca03f 100644 (file)
--- 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";