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ARM: dts: at91: sama5d2_xplained: enable ADTRG pin

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Enable pinctrl for ADTRG pin (PD31) for ADC hardware trigger support.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
This commit is contained in:
Eugen Hristev 2017-06-15 16:24:54 +03:00 committed by Nicolas Ferre
parent 2f61929eb1
commit 84c70b2395
1 changed files with 15 additions and 1 deletions
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16
arch/arm/boot/dts/at91-sama5d2_xplained.dts
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@ -309,7 +309,7 @@ adc: adc@fc030000 {
vddana-supply = <&vdd_3v3_lp_reg>; vddana-supply = <&vdd_3v3_lp_reg>;
vref-supply = <&vdd_3v3_lp_reg>; vref-supply = <&vdd_3v3_lp_reg>;
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&pinctrl_adc_default>; pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
status = "okay"; status = "okay";
}; };
@ -340,6 +340,20 @@ pinctrl_can1_default: can1_default {
bias-disable; 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 { pinctrl_charger_chglev: charger_chglev {
pinmux = <PIN_PA12__GPIO>; pinmux = <PIN_PA12__GPIO>;
bias-disable; bias-disable;