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ARM: dts: at91: sama5d2_xplained: enable ADTRG pin
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>
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1 changed files with 15 additions and 1 deletions
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@ -309,7 +309,7 @@ adc: adc@fc030000 {
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vddana-supply = <&vdd_3v3_lp_reg>;
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vddana-supply = <&vdd_3v3_lp_reg>;
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vref-supply = <&vdd_3v3_lp_reg>;
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vref-supply = <&vdd_3v3_lp_reg>;
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pinctrl-names = "default";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_adc_default>;
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pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
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status = "okay";
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status = "okay";
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};
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};
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@ -340,6 +340,20 @@ pinctrl_can1_default: can1_default {
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bias-disable;
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bias-disable;
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};
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};
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/*
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* The ADTRG pin can work on any edge type.
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* In here it's being pulled up, so need to
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* connect it to ground to get an edge e.g.
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* Trigger can be configured on falling, rise
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* or any edge, and the pull-up can be changed
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* to pull-down or left floating according to
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* needs.
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*/
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pinctrl_adtrg_default: adtrg_default {
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pinmux = <PIN_PD31__ADTRG>;
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bias-pull-up;
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};
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pinctrl_charger_chglev: charger_chglev {
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pinctrl_charger_chglev: charger_chglev {
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pinmux = <PIN_PA12__GPIO>;
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pinmux = <PIN_PA12__GPIO>;
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bias-disable;
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bias-disable;
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