From mboxrd@z Thu Jan 1 00:00:00 1970 From: ludovic.desroches@atmel.com (Ludovic Desroches) Date: Mon, 21 Dec 2015 10:24:11 +0100 Subject: [PATCH 4/5] ARM: at91/dt: sama5d2 Xplained: enable the adc device In-Reply-To: <1450689852-22763-1-git-send-email-ludovic.desroches@atmel.com> References: <1450689852-22763-1-git-send-email-ludovic.desroches@atmel.com> Message-ID: <1450689852-22763-5-git-send-email-ludovic.desroches@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Enable the adc on the sama5d2 Xplained board. Signed-off-by: Ludovic Desroches --- arch/arm/boot/dts/at91-sama5d2_xplained.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index c2fcc29..6b263d4 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -251,7 +251,29 @@ }; }; + adc: adc at fc030000 { + vddana-supply = <&vdd_3v3_lp_reg>; + vref-supply = <&vdd_3v3_lp_reg>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_adc_default>; + status = "okay"; + }; + pinctrl at fc038000 { + /* + * There is no real pinmux for ADC, if the pin + * is not requested by another peripheral then + * the muxing is done when channel is enabled. + * Requesting pins for ADC is GPIO is + * encouraged to prevent conflicts and to + * disable bias in order to be in the same + * state when the pin is not muxed to the adc. + */ + pinctrl_adc_default: adc_default { + pinmux = ; + bias-disable; + }; + pinctrl_flx0_default: flx0_default { pinmux = , ; -- 2.5.0