rk816-battery
~~~~~~~~~~

Required properties :
 - compatible: "rk816-battery"
 - ocv_table: ocv voltage and soc relation table
 - design_capacity: real capacity tested by tool
 - design_qmax: nominal capacity * 1.1
 - max_input_current: maximum current from adapter
 - max_chrg_current: maximum current for battery charge
 - max_chrg_voltage: maximum charge voltage for battery

Optional properties :
 - sleep_enter_current: current threshold of enter relax mode
 - sleep_exit_current: current threshold of exit relax mode
 - sleep_filter_current: current threshold of valid relax mode
 - power_off_thresd: vsys voltage threshold of power off
 - zero_algorithm_vol: voltage threshold of discharge zero algorithm
 - fb_temperature: feed back temperature of PMIC
 - max_soc_offset: soc threshold of correct dsoc as rsoc
 - monitor_sec: poll seconds for battery delay work
 - virtual_power: test mode for none battery
 - energy_mode: try to use all power of battery
 - power_dc2otg: dc can provide supply for otg 5v
 - dc_det_adc: dc detect by saradc

Example:

rk816: pmic@1a {
	compatible = "rockchip,rk816";
	reg = <0x1a>;
	interrupt-parent = <&gpio0>;
	interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
	pinctrl-names = "default";
	pinctrl-0 = <&pmic_int_l>;

	......

	battery {
		compatible = "rk816-battery";
		ocv_table = <3400 3654 3686 3710 3744 3775 3803
			     3825 3843 3858 3870 3886 3955 3988
			     4010 4023 4032 4049 4080 4151>;
		design_capacity = <2000>;
		design_qmax = <2200>;
		bat_res = <120>;
		max_input_current = <2000>;
		max_chrg_current = <1000>;
		max_chrg_voltage = <4200>;
		sleep_enter_current = <300>;
		sleep_exit_current = <300>;
		sleep_filter_current = <100>;
		power_off_thresd = <3500>;
		zero_algorithm_vol = <3800>;
		fb_temperature = <105>;
		max_soc_offset = <60>;
		monitor_sec = <5>;
		virtual_power = <0>;
		energy_mode = <0>;
		power_dc2otg = <0>;
		dc_det_adc = <0>;
	};

	......
};