As there are no pull-up resistors on the board itself it can be useful to use the SoC pad pull-up to be able to easily connect usual i2c devices.
Signed-off-by: Nicolas Ferre <[email protected]> --- arch/arm/boot/dts/at91-sama5d3_xplained.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm/boot/dts/at91-sama5d3_xplained.dts b/arch/arm/boot/dts/at91-sama5d3_xplained.dts index ce1375595e5f..ff8a159bb600 100644 --- a/arch/arm/boot/dts/at91-sama5d3_xplained.dts +++ b/arch/arm/boot/dts/at91-sama5d3_xplained.dts @@ -43,6 +43,7 @@ }; i2c0: i2c@f0014000 { + pinctrl-0 = <&pinctrl_i2c0_pu>; status = "okay"; }; @@ -102,6 +103,7 @@ i2c2: i2c@f801c000 { dmas = <0>, <0>; /* Do not use DMA for i2c2 */ + pinctrl-0 = <&pinctrl_i2c2_pu>; status = "okay"; }; @@ -116,6 +118,18 @@ pinctrl@fffff200 { board { + pinctrl_i2c0_pu: i2c0_pu { + atmel,pins = + <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>, + <AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>; + }; + + pinctrl_i2c2_pu: i2c2_pu { + atmel,pins = + <AT91_PIOA 18 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>, + <AT91_PIOA 19 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; + }; + pinctrl_mmc0_cd: mmc0_cd { atmel,pins = <AT91_PIOE 0 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; -- 1.8.2.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
