Lines Matching +full:hpd +full:- +full:gpio

1 * HDMI CEC GPIO driver
3 The HDMI CEC GPIO module supports CEC implementations where the CEC line
4 is hooked up to a pull-up GPIO line and - optionally - the HPD line is
5 hooked up to another GPIO line.
7 Please note: the maximum voltage for the CEC line is 3.63V, for the HPD and
9 when connecting them to a GPIO line.
12   - compatible: value must be "cec-gpio".
13   - cec-gpios: gpio that the CEC line is connected to. The line should be
19   - hdmi-phandle - phandle to the HDMI controller, see also cec.txt.
22 the following property is optional and can be used for debugging HPD changes:
24   - hpd-gpios: gpio that the HPD line is connected to.
28   - v5-gpios: gpio that the 5V line is connected to.
31 pin 26 aka BCM7 aka CE1 on the GPIO pin header, the HPD line is
33 15 aka BCM22 (some level shifter is needed for the HPD and 5V lines!):
35 #include <dt-bindings/gpio/gpio.h>
37 cec-gpio {
38 	compatible = "cec-gpio";
39 	cec-gpios = <&gpio 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
40 	hpd-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
41 	v5-gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;