Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752483AbdFONb1 (ORCPT ); Thu, 15 Jun 2017 09:31:27 -0400 Received: from esa6.microchip.iphmx.com ([216.71.154.253]:26046 "EHLO esa6.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751979AbdFONbZ (ORCPT ); Thu, 15 Jun 2017 09:31:25 -0400 X-IronPort-AV: E=Sophos;i="5.39,343,1493708400"; d="scan'208";a="1397549" From: Eugen Hristev To: , , , , , , , , , CC: Subject: [PATCH v5 1/4] ARM: dts: at91: sama5d2_xplained: enable ADTRG pin Date: Thu, 15 Jun 2017 16:24:54 +0300 Message-ID: <1497533097-12052-2-git-send-email-eugen.hristev@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1497533097-12052-1-git-send-email-eugen.hristev@microchip.com> References: <1497533097-12052-1-git-send-email-eugen.hristev@microchip.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1413 Lines: 44 Enable pinctrl for ADTRG pin (PD31) for ADC hardware trigger support. Signed-off-by: Eugen Hristev Acked-by: Ludovic Desroches --- 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 = ; + bias-pull-up; + }; + pinctrl_charger_chglev: charger_chglev { pinmux = ; bias-disable; -- 2.7.4