Messages in this thread Patch in this message | | | From | Ludovic Desroches <> | Subject | [PATCH 4/5] ARM: at91/dt: sama5d2 Xplained: enable the adc device | Date | Mon, 21 Dec 2015 10:24:11 +0100 |
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Enable the adc on the sama5d2 Xplained board.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> --- 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@fc030000 { + vddana-supply = <&vdd_3v3_lp_reg>; + vref-supply = <&vdd_3v3_lp_reg>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_adc_default>; + status = "okay"; + }; + pinctrl@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 = <PIN_PD23__GPIO>; + bias-disable; + }; + pinctrl_flx0_default: flx0_default { pinmux = <PIN_PB28__FLEXCOM0_IO0>, <PIN_PB29__FLEXCOM0_IO1>; -- 2.5.0
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