From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugen Hristev Subject: [PATCH v2 1/3] ARM: dts: at91: sama5d2_xplained: enable ADTRG pin Date: Thu, 4 May 2017 15:13:18 +0300 Message-ID: <1493900000-26220-2-git-send-email-eugen.hristev@microchip.com> References: <1493900000-26220-1-git-send-email-eugen.hristev@microchip.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1493900000-26220-1-git-send-email-eugen.hristev@microchip.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: nicolas.ferre@microchip.com, jic23@kernel.org, alexandre.belloni@free-electrons.com, linux-iio@vger.kernel.org, lars@metafoo.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: eugen.hristev@microchip.com, ludovic.desroches@microchip.com List-Id: devicetree@vger.kernel.org Enable pinctrl for ADTRG pin (PD31) for ADC hardware trigger support. Signed-off-by: Eugen Hristev --- 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