From 84c70b2395c652fa0702f338ca4b7f992531ee00 Mon Sep 17 00:00:00 2001 From: Eugen Hristev Date: Thu, 15 Jun 2017 16:24:54 +0300 Subject: ARM: dts: at91: sama5d2_xplained: enable ADTRG pin Enable pinctrl for ADTRG pin (PD31) for ADC hardware trigger support. Signed-off-by: Eugen Hristev Acked-by: Ludovic Desroches Acked-by: Jonathan Cameron Signed-off-by: Nicolas Ferre --- arch/arm/boot/dts/at91-sama5d2_xplained.dts | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) (limited to 'arch/arm') diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index c7e9ccf2bc87..cbc26001247b 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -309,7 +309,7 @@ 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"; }; @@ -340,6 +340,20 @@ 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 = ; + bias-pull-up; + }; + pinctrl_charger_chglev: charger_chglev { pinmux = ; bias-disable; -- cgit