diff options
| author | Eugen Hristev <eugen.hristev@microchip.com> | 2017-06-15 16:24:54 +0300 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@microchip.com> | 2017-10-09 16:33:53 +0300 |
| commit | 84c70b2395c652fa0702f338ca4b7f992531ee00 (patch) | |
| tree | bc15411868bfc4e4eaf60f772145d322a98bf13c /arch/arm | |
| parent | 2f61929eb10a0cef383295d28b7933c395f82467 (diff) | |
| download | linux-84c70b2395c652fa0702f338ca4b7f992531ee00.tar.xz | |
ARM: dts: at91: sama5d2_xplained: enable ADTRG pin
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>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/at91-sama5d2_xplained.dts | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts index c7e9ccf2bc87..cbc26001247b 100644 --- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts @@ -309,7 +309,7 @@ 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"; }; @@ -340,6 +340,20 @@ 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; |