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authorFabio Estevam <fabio.estevam@freescale.com>2013-06-10 23:12:57 -0300
committerMarc Kleine-Budde <mkl@pengutronix.de>2013-06-27 15:15:25 +0200
commitb7c4114b07bbacfe0aee1d04ad1ade9e42309620 (patch)
treec21e4f17d4149674db3761dd782c3f8056662f81 /arch/arm/boot/dts/imx28-evk.dts
parent30caa4b763bf5973800633de55bae586ab443f78 (diff)
downloadlinux-b7c4114b07bbacfe0aee1d04ad1ade9e42309620.tar.bz2
can: flexcan: Use a regulator to control the CAN transceiver
Instead of using a GPIO to turn on/off the CAN transceiver, it is better to use a regulator as some systems may use a PMIC to power the CAN transceiver. Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'arch/arm/boot/dts/imx28-evk.dts')
-rw-r--r--arch/arm/boot/dts/imx28-evk.dts12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index 3637bf3b1d59..1f0d38d7b16f 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -155,12 +155,14 @@
can0: can@80032000 {
pinctrl-names = "default";
pinctrl-0 = <&can0_pins_a>;
+ xceiver-supply = <&reg_can_3v3>;
status = "okay";
};
can1: can@80034000 {
pinctrl-names = "default";
pinctrl-0 = <&can1_pins_a>;
+ xceiver-supply = <&reg_can_3v3>;
status = "okay";
};
};
@@ -319,6 +321,16 @@
gpio = <&gpio3 30 0>;
enable-active-high;
};
+
+ reg_can_3v3: can-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "can-3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio2 13 0>;
+ enable-active-high;
+ };
+
};
sound {