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Commit a3b8a7c7 authored by Nicolas Ferre's avatar Nicolas Ferre
Browse files

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: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 201d7dd0

arch/arm/boot/dts/at91-sama5d3_xplained.dts

+14 −0
Original line number Diff line number Diff line
@@ -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>;