On Wed, Apr 19, 2017 at 11:20:43AM +0300, Eugen Hristev wrote:
> Enable pinctrl for ADTRG pin (PD31) for ADC hardware trigger support.
>
> Signed-off-by: Eugen Hristev <eugen.hristev@xxxxxxxxxxxxx>
Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/at91-sama5d2_xplained.dts | 16 +++++++++++++++-
> 1 file changed, 15 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> index 0bef9e0..04754b1 100644
> --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
> @@ -303,7 +303,7 @@
> vddana-supply = <&vdd_3v3_lp_reg>;
> vref-supply = <&vdd_3v3_lp_reg>;
> pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_adc_default>;
> + pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
> status = "okay";
> };
>
> @@ -322,6 +322,20 @@
> bias-disable;
> };
>
> + /*
> + * The ADTRG pin can work on any edge type.
> + * In here it's being pulled up, so need to
> + * connect it to ground to get an edge e.g.
> + * Trigger can be configured on falling, rise
> + * or any edge, and the pull-up can be changed
> + * to pull-down or left floating according to
> + * needs.
> + */
> + pinctrl_adtrg_default: adtrg_default {
> + pinmux = <PIN_PD31__ADTRG>;
> + bias-pull-up;
> + };
> +
> pinctrl_charger_chglev: charger_chglev {
> pinmux = <PIN_PA12__GPIO>;
> bias-disable;
> --
> 2.7.4
>
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