mfd: ab8500: Augment DT bindings

[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / mfd / ab8500.txt

diff --git a/Documentation/devicetree/bindings/mfd/ab8500.txt b/Documentation/devicetree/bindings/mfd/ab8500.txt
index cd9e90c..b6bc30d 100644 (file)
--- a/Documentation/devicetree/bindings/mfd/ab8500.txt
+++ b/Documentation/devicetree/bindings/mfd/ab8500.txt
@@ -69,6 +69,18 @@ Required child device properties:
 - compatible             : "stericsson,ab8500-[bm|btemp|charger|fg|gpadc|gpio|ponkey|
                                                pwm|regulator|rtc|sysctrl|usb]";
 
+  A few child devices require ADC channels from the GPADC node. Those follow the
+  standard bindings from iio/iio-bindings.txt and iio/adc/adc.txt
+
+  abx500-temp           : io-channels "aux1" and "aux2" for measuring external
+                          temperatures.
+  ab8500-fg             : io-channel "main_bat_v" for measuring main battery voltage,
+  ab8500-btemp          : io-channels "btemp_ball" and "bat_ctrl" for measuring the
+                          battery voltage.
+  ab8500-charger        : io-channels "main_charger_v", "main_charger_c", "vbus_v",
+                          "usb_charger_c" for measuring voltage and current of the
+                          different charging supplies.
+
 Optional child device properties:
 - interrupts             : contains the device IRQ(s) using the 2-cell format (see above)
 - interrupt-names        : contains names of IRQ resource in the order in which they were
@@ -102,8 +114,115 @@ ab8500 {
                               39 0x4>;
                 interrupt-names = "HW_CONV_END", "SW_CONV_END";
                 vddadc-supply = <&ab8500_ldo_tvout_reg>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               #io-channel-cells = <1>;
+
+               /* GPADC channels */
+               bat_ctrl: channel@1 {
+                       reg = <0x01>;
+               };
+               btemp_ball: channel@2 {
+                       reg = <0x02>;
+               };
+               main_charger_v: channel@3 {
+                       reg = <0x03>;
+               };
+               acc_detect1: channel@4 {
+                       reg = <0x04>;
+               };
+               acc_detect2: channel@5 {
+                       reg = <0x05>;
+               };
+               adc_aux1: channel@6 {
+                       reg = <0x06>;
+               };
+               adc_aux2: channel@7 {
+                       reg = <0x07>;
+               };
+               main_batt_v: channel@8 {
+                       reg = <0x08>;
+               };
+               vbus_v: channel@9 {
+                       reg = <0x09>;
+               };
+               main_charger_c: channel@a {
+                       reg = <0x0a>;
+               };
+               usb_charger_c: channel@b {
+                       reg = <0x0b>;
+               };
+               bk_bat_v: channel@c {
+                       reg = <0x0c>;
+               };
+               die_temp: channel@d {
+                       reg = <0x0d>;
+               };
+               usb_id: channel@e {
+                       reg = <0x0e>;
+               };
+               xtal_temp: channel@12 {
+                       reg = <0x12>;
+               };
+               vbat_true_meas: channel@13 {
+                       reg = <0x13>;
+               };
+               bat_ctrl_and_ibat: channel@1c {
+                       reg = <0x1c>;
+               };
+               vbat_meas_and_ibat: channel@1d {
+                       reg = <0x1d>;
+               };
+               vbat_true_meas_and_ibat: channel@1e {
+                       reg = <0x1e>;
+               };
+               bat_temp_and_ibat: channel@1f {
+                       reg = <0x1f>;
+               };
         };
 
+       ab8500_temp {
+               compatible = "stericsson,abx500-temp";
+               io-channels = <&gpadc 0x06>,
+                             <&gpadc 0x07>;
+               io-channel-name = "aux1", "aux2";
+       };
+
+       ab8500_battery: ab8500_battery {
+               stericsson,battery-type = "LIPO";
+               thermistor-on-batctrl;
+       };
+
+       ab8500_fg {
+               compatible = "stericsson,ab8500-fg";
+               battery    = <&ab8500_battery>;
+               io-channels = <&gpadc 0x08>;
+               io-channel-name = "main_bat_v";
+       };
+
+       ab8500_btemp {
+               compatible = "stericsson,ab8500-btemp";
+               battery    = <&ab8500_battery>;
+               io-channels = <&gpadc 0x02>,
+                             <&gpadc 0x01>;
+               io-channel-name = "btemp_ball",
+                               "bat_ctrl";
+       };
+
+       ab8500_charger {
+               compatible      = "stericsson,ab8500-charger";
+               battery         = <&ab8500_battery>;
+               vddadc-supply   = <&ab8500_ldo_tvout_reg>;
+               io-channels = <&gpadc 0x03>,
+                             <&gpadc 0x0a>,
+                             <&gpadc 0x09>,
+                             <&gpadc 0x0b>;
+               io-channel-name = "main_charger_v",
+                               "main_charger_c",
+                               "vbus_v",
+                               "usb_charger_c";
+       };
+
         ab8500-usb {
                 compatible = "stericsson,ab8500-usb";
                 interrupts = < 90 0x4