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can: flexcan: Use a regulator to control the CAN transceiver

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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>
This commit is contained in:
Fabio Estevam
2013-06-10 23:12:57 -03:00
committed by Marc Kleine-Budde
parent 30caa4b763
commit b7c4114b07
4 changed files with 28 additions and 61 deletions
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12
arch/arm/boot/dts/imx28-evk.dts
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@@ -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 {