diff options
| author | Nicolas Ferre <nicolas.ferre@atmel.com> | 2014-03-27 11:44:11 +0100 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2014-05-12 16:48:52 +0200 |
| commit | a3b8a7c7f9513bc57fd3e6f1a7b6098f0ff39d14 (patch) | |
| tree | 9aeca4c5890a40c691211d4d6a936ad963504dc9 | |
| parent | 201d7dd0da91e19db48536b3569c2792062ef598 (diff) | |
ARM: at91: add pull-up to i2c[02] on SAMA5D3 Xplained
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 <nicolas.ferre@atmel.com>
| -rw-r--r-- | arch/arm/boot/dts/at91-sama5d3_xplained.dts | 14 |
1 files changed, 14 insertions, 0 deletions
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>; |