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ARM: dts: imx53-ard: add regulators for lan9220

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Since commit c7e963f (net/smsc911x: Add regulator support), the lan9220
device tree probe fails on imx53-ard board, because the commit makes
VDD33A and VDDVARIO supplies mandatory for the driver.

Add a fixed dummy 3V3 supplying lan9220 to fix the regression.

Cc: stable@vger.kernel.org
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo 2012-08-02 22:48:39 +08:00
parent 68b0562df9
commit 1eec0c5695
1 changed files with 20 additions and 0 deletions
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20
arch/arm/boot/dts/imx53-ard.dts
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@ -66,10 +66,30 @@
interrupt-parent = <&gpio2>; interrupt-parent = <&gpio2>;
interrupts = <31>; interrupts = <31>;
reg-io-width = <4>; reg-io-width = <4>;
/*
* VDD33A and VDDVARIO of LAN9220 are supplied by
* SW4_3V3 of LTC3589. Before the regulator driver
* for this PMIC is available, we use a fixed dummy
* 3V3 regulator to get LAN9220 driver probing work.
*/
vdd33a-supply = <&reg_3p3v>;
vddvario-supply = <&reg_3p3v>;
smsc,irq-push-pull; smsc,irq-push-pull;
}; };
}; };
regulators {
compatible = "simple-bus";
reg_3p3v: 3p3v {
compatible = "regulator-fixed";
regulator-name = "3P3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
};
gpio-keys { gpio-keys {
compatible = "gpio-keys"; compatible = "gpio-keys";