| Message ID | 1492590045-17329-2-git-send-email-eugen.hristev@microchip.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Apr 19, 2017 at 11:20:43AM +0300, Eugen Hristev wrote: > Enable pinctrl for ADTRG pin (PD31) for ADC hardware trigger support. > > Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com> > --- > 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 = <PIN_PD31__ADTRG>; > + bias-pull-up; > + }; > + > pinctrl_charger_chglev: charger_chglev { > pinmux = <PIN_PA12__GPIO>; > bias-disable; > -- > 2.7.4 >
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 = <PIN_PD31__ADTRG>; + bias-pull-up; + }; + pinctrl_charger_chglev: charger_chglev { pinmux = <PIN_PA12__GPIO>; bias-disable;
Enable pinctrl for ADTRG pin (PD31) for ADC hardware trigger support. Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> --- arch/arm/boot/dts/at91-sama5d2_xplained.dts | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-)