On Wed, Nov 14, 2018 at 11:54:29PM +1100, Tom Burkart wrote:
> This patch changes the devicetree bindings for the pps-gpio driver
> from the integer based ABI to the descriptor based ABI.
? That has nothing to do with DT.
> It also adds
> documentation for the device tree capture-clear option. The legacy
> device tree entry for the GPIO pin is supported.
>
> Signed-off-by: Tom Burkart <tom@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/pps/pps-gpio.txt | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pps/pps-gpio.txt b/Documentation/devicetree/bindings/pps/pps-gpio.txt
> index 3683874832ae..6c9fc0998d94 100644
> --- a/Documentation/devicetree/bindings/pps/pps-gpio.txt
> +++ b/Documentation/devicetree/bindings/pps/pps-gpio.txt
> @@ -5,19 +5,23 @@ a GPIO pin.
>
> Required properties:
> - compatible: should be "pps-gpio"
> -- gpios: one PPS GPIO in the format described by ../gpio/gpio.txt
> +- pps-gpios: one PPS GPIO in the format described by ../gpio/gpio.txt
> +Alternatively (DEPRECATED), instead of pps-gpios above, it may have:
> +- gpios: one PPS GPIO as above
>
> Optional properties:
> - assert-falling-edge: when present, assert is indicated by a falling edge
> (instead of by a rising edge)
> +- capture-clear: when present, also capture the PPS clear event
Is this a h/w thing? or driver configuration?
>
> Example:
> pps {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_pps>;
>
> - gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> + pps-gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> assert-falling-edge;
> + capture-clear;
>
> compatible = "pps-gpio";
> };
> --
> 2.12.3
>
