ab8500: Add devicetree support for fuelgauge

- This patch adds device tree support for fuelgauge driver
- optimize bm devices platform_data usage and of_probe(...)
  Note: of_probe() routine for battery managed devices is made
  common across all bm drivers.
- test status:
  - interrupt numbers assigned differs between legacy and FDT mode.

Signed-off-by: Rajanikanth H.V <rajanikanth.hv@stericsson.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>

1 files changed, 11 insertions, 1 deletions

diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi
index 4b0e0ca08f40..0c81986904c5 100644
--- a/arch/arm/boot/dts/dbx5x0.dtsi
+++ b/arch/arm/boot/dts/dbx5x0.dtsi
@@ -352,7 +352,17 @@
                                         vddadc-supply = <&ab8500_ldo_tvout_reg>;
                                 };
 
-                                ab8500-usb {
+                                ab8500_battery: ab8500_battery {
+                                        stericsson,battery-type = "LIPO";
+                                        thermistor-on-batctrl;
+                                };
+
+                                ab8500_fg {
+                                        compatible = "stericsson,ab8500-fg";
+                                        battery    = <&ab8500_battery>;
+                                };
+
+                                ab8500_usb {
                                         compatible = "stericsson,ab8500-usb";
                                         interrupts = < 90 0x4
                                                        96 0x4