| Message ID | 20200615095525.43414-2-codrin.ciubotariu@microchip.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/3] ARM: dts: at91: sama5d2_xplained: classd: pull-down the R1 and R3 lines | expand |
On 15/06/2020 12:55:24+0300, Codrin Ciubotariu wrote: > The L1 and L3 lines drive NMOS transistors that are OFF with a low level. > On the SAM9X60 EK board, if the pins corresponding to L1 and L3 > have pull-ups enabled, there is an extra 2 x 30uA power consumption. > Use pull-downs for these 2 lines to remove the unnecessary power > consumption. > > Fixes: 1e5f532c2737 ("ARM: dts: at91: sam9x60: add device tree for soc and board") > Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> > --- > arch/arm/boot/dts/at91-sam9x60ek.dts | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > Applied, thanks.
diff --git a/arch/arm/boot/dts/at91-sam9x60ek.dts b/arch/arm/boot/dts/at91-sam9x60ek.dts index b484745bf2d4..3b9bb29d9e23 100644 --- a/arch/arm/boot/dts/at91-sam9x60ek.dts +++ b/arch/arm/boot/dts/at91-sam9x60ek.dts @@ -470,9 +470,9 @@ classd { pinctrl_classd_default: classd { atmel,pins = <AT91_PIOA 24 AT91_PERIPH_C AT91_PINCTRL_PULL_UP - AT91_PIOA 25 AT91_PERIPH_C AT91_PINCTRL_PULL_UP + AT91_PIOA 25 AT91_PERIPH_C AT91_PINCTRL_PULL_DOWN AT91_PIOA 26 AT91_PERIPH_C AT91_PINCTRL_PULL_UP - AT91_PIOA 27 AT91_PERIPH_C AT91_PINCTRL_PULL_UP>; + AT91_PIOA 27 AT91_PERIPH_C AT91_PINCTRL_PULL_DOWN>; }; };
The L1 and L3 lines drive NMOS transistors that are OFF with a low level. On the SAM9X60 EK board, if the pins corresponding to L1 and L3 have pull-ups enabled, there is an extra 2 x 30uA power consumption. Use pull-downs for these 2 lines to remove the unnecessary power consumption. Fixes: 1e5f532c2737 ("ARM: dts: at91: sam9x60: add device tree for soc and board") Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> --- arch/arm/boot/dts/at91-sam9x60ek.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)