aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2017-01-10 23:50:52 +0100
committerLinus Walleij <linus.walleij@linaro.org>2019-08-22 16:47:43 +0200
commitb9fc9832627e121832ebbcb26426f700f4fde9db (patch)
tree6545d27752f25acf26ff6ab7b6a599f85aaf4b15
parenta710844426658709528c25aa0627bc242c925be2 (diff)
downloadlinux-stericsson-ab8500-gpadc.tar.gz
ARM: dts: ux500: declare GPADC IIO ADC channelsab8500-gpadc
This adds the IIO channels for the GPADC after converting it to using the standard IIO ADC bindings and moving the driver over to the IIO subsystem. We also add IIO hwmon standard driver node to support reading channels in a standard manner. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- ChangeLog v1->v2: - Rebased on v5.3-rc5
-rw-r--r--arch/arm/boot/dts/ste-dbx5x0.dtsi102
1 files changed, 101 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/ste-dbx5x0.dtsi b/arch/arm/boot/dts/ste-dbx5x0.dtsi
index b1a31134f860..80016521333b 100644
--- a/arch/arm/boot/dts/ste-dbx5x0.dtsi
+++ b/arch/arm/boot/dts/ste-dbx5x0.dtsi
@@ -52,6 +52,20 @@
};
};
+ /* Essential housekeeping hardware monitors */
+ iio-hwmon {
+ compatible = "iio-hwmon";
+ io-channels = <&gpadc 0x02>, /* Battery temperature */
+ <&gpadc 0x03>, /* Main charger voltage */
+ <&gpadc 0x08>, /* Main battery voltage */
+ <&gpadc 0x09>, /* VBUS */
+ <&gpadc 0x0a>, /* Main charger current */
+ <&gpadc 0x0b>, /* USB charger current *
+ <&gpadc 0x0c>, /* Backup battery voltage */
+ <&gpadc 0x0d>, /* Die temperature */
+ <&gpadc 0x12>; /* Crystal temperature */
+ };
+
soc {
#address-cells = <1>;
#size-cells = <1>;
@@ -623,12 +637,84 @@
interrupt-names = "60S", "ALARM";
};
- ab8500-gpadc {
+ gpadc: ab8500-gpadc {
compatible = "stericsson,ab8500-gpadc";
interrupts = <32 IRQ_TYPE_LEVEL_HIGH
39 IRQ_TYPE_LEVEL_HIGH>;
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: adc-channel@01 {
+ reg = <0x01>;
+ };
+ btemp_ball: adc-channel@02 {
+ reg = <0x02>;
+ };
+ main_charger_v: adc-channel@03 {
+ reg = <0x03>;
+ };
+ acc_detect1: adc-channel@04 {
+ reg = <0x04>;
+ };
+ acc_detect2: adc-channel@05 {
+ reg = <0x05>;
+ };
+ adc_aux1: adc-channel@06 {
+ reg = <0x06>;
+ };
+ adc_aux2: adc-channel@07 {
+ reg = <0x07>;
+ };
+ main_batt_v: adc-channel@08 {
+ reg = <0x08>;
+ };
+ vbus_v: adc-channel@09 {
+ reg = <0x09>;
+ };
+ main_charger_c: adc-channel@0a {
+ reg = <0x0a>;
+ };
+ usb_charger_c: adc-channel@0b {
+ reg = <0x0b>;
+ };
+ bk_bat_v: adc-channel@0c {
+ reg = <0x0c>;
+ };
+ die_temp: adc-channel@0d {
+ reg = <0x0d>;
+ };
+ usb_id: adc-channel@0e {
+ reg = <0x0e>;
+ };
+ xtal_temp: adc-channel@12 {
+ reg = <0x12>;
+ };
+ vbat_true_meas: adc-channel@13 {
+ reg = <0x13>;
+ };
+ bat_ctrl_and_ibat: adc-channel@1c {
+ reg = <0x1c>;
+ };
+ vbat_meas_and_ibat: adc-channel@1d {
+ reg = <0x1d>;
+ };
+ vbat_true_meas_and_ibat: adc-channel@1e {
+ reg = <0x1e>;
+ };
+ bat_temp_and_ibat: adc-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 {
@@ -639,17 +725,31 @@
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_chargalg {