From: Chris Lapa <chris@xxxxxxxxxxx> Signed-off-by: Chris Lapa <chris@xxxxxxxxxxx> --- .../devicetree/bindings/power/max8903-charger.txt | 25 +++++++++++++++ arch/arm/boot/dts/dairytest-servo.dtsi | 36 ++++++++++++++++++++++ 2 files changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/max8903-charger.txt create mode 100644 arch/arm/boot/dts/dairytest-servo.dtsi diff --git a/Documentation/devicetree/bindings/power/max8903-charger.txt b/Documentation/devicetree/bindings/power/max8903-charger.txt new file mode 100644 index 0000000..f0f4e12 --- /dev/null +++ b/Documentation/devicetree/bindings/power/max8903-charger.txt @@ -0,0 +1,25 @@ +Maxim Semiconductor MAX8903 Battery Charger bindings + +Required properties: +- compatible: "maxim,max8903" for MAX8903 Battery Charger +- dok-gpios: Valid DC power has been detected (active low, input), optional if uok-gpios is provided +- uok-gpios: Valid USB power has been detected (active low, input), optional if dok-gpios is provided + +Optional properties: +- cen-gpios: Charge enable pin (active low, output) +- chg-gpios: Charger status pin (active low, input) +- flt-gpios: Fault pin (active low, output) +- dcm-gpios: Current limit mode setting (DC=1 or USB=0, output) +- usus-gpios: USB suspend pin (active high, output) + + +Example: + + max8903-charger { + compatible = "maxim,max8903"; + dok-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>; + flt-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>; + chg-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>; + cen-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; + status = "okay"; + }; diff --git a/arch/arm/boot/dts/dairytest-servo.dtsi b/arch/arm/boot/dts/dairytest-servo.dtsi new file mode 100644 index 0000000..3fbe81d --- /dev/null +++ b/arch/arm/boot/dts/dairytest-servo.dtsi @@ -0,0 +1,36 @@ +#include <dt-bindings/board/am335x-bbw-bbb-base.h> +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/pinctrl/am33xx.h> + +&am33xx_pinmux { + servo_power_pin: pinmux_servo_power_pin{ + pinctrl-single,pins = < + BONE_P9_27 (PIN_OUTPUT| MUX_MODE7) /* ZCZ(C13) - gpio3_19, OUTPUT | MODE7 */ + >; + }; + + ehrpwm2_pin: pinmux_ehrpwm2_pin{ + pinctrl-single,pins = < + BONE_P8_19 (PIN_OUTPUT | MUX_MODE4) /* ZCZ(R1) - ehrpwm2a, OUTPUT | MODE3 */ + >; + }; +}; + +/ { + servo_power { + status = "okay"; + compatible = "pinctrl-single"; + pinctrl-names = "default"; + pinctrl-0 = <&servo_power_pin>; + }; +}; + +&epwmss2 { + status = "okay"; +}; + +&ehrpwm2 { + pinctrl-names = "default"; + pinctrl-0 = <&ehrpwm2_pin>; + status = "okay"; +}; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html