From mboxrd@z Thu Jan 1 00:00:00 1970 From: marek@goldelico.com (Marek Belisko) Date: Wed, 4 Feb 2015 23:14:32 +0100 Subject: [PATCH v3 3/6] Documentation: DT: Document twl4030-madc-battery bindings In-Reply-To: <1423088075-10025-1-git-send-email-marek@goldelico.com> References: <1423088075-10025-1-git-send-email-marek@goldelico.com> Message-ID: <1423088075-10025-4-git-send-email-marek@goldelico.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Marek Belisko --- .../bindings/power_supply/twl4030_madc_battery.txt | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/power_supply/twl4030_madc_battery.txt diff --git a/Documentation/devicetree/bindings/power_supply/twl4030_madc_battery.txt b/Documentation/devicetree/bindings/power_supply/twl4030_madc_battery.txt new file mode 100644 index 0000000..bb3580c --- /dev/null +++ b/Documentation/devicetree/bindings/power_supply/twl4030_madc_battery.txt @@ -0,0 +1,43 @@ +twl4030_madc_battery + +Required properties: + - compatible : "ti,twl4030-madc-battery" + - capacity-uah : battery capacity in uAh + - volt-to-capacity-charging-map : list of voltage(mV):level(%) values + for charging calibration (see example) + - volt-to-capacity-discharging-map : list of voltage(mV):level(%) values + for discharging calibration (see example) + - io-channels: Should contain IIO channel specifiers + for each element in io-channel-names. +- io-channel-names: Should contain the following values: + * "temp" - The ADC channel for temperature reading + * "ichg" - The ADC channel for battery charging status + * "vbat" - The ADC channel to measure the battery voltage + +Example: + madc-battery { + compatible = "ti,twl4030-madc-battery"; + capacity-uah = <1200000>; + volt-to-capacity-charging-map = <4200 100>, + <4100 75>, + <4000 55>, + <3900 25>, + <3800 5>, + <3700 2>, + <3600 1>, + <3300 0>; + + volt-to-capacity-discharging-map = <4200 100> + <4100 95>, + <4000 70>, + <3800 50>, + <3700 10>, + <3600 5>, + <3300 0>; + io-channels = <&twl_madc 1>, + <&twl_madc 10>, + <&twl_madc 12>; + io-channel-names = "temp", + "ichg", + "vbat"; + }; -- 1.9.1