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Commit 1eec0c56 authored by Shawn Guo's avatar Shawn Guo
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ARM: dts: imx53-ard: add regulators for lan9220 



Since commit c7e963f6 (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: default avatarShawn Guo <shawn.guo@linaro.org>
parent 68b0562d

arch/arm/boot/dts/imx53-ard.dts

+20 −0
Original line number Diff line number Diff line
@@ -66,10 +66,30 @@ 
			interrupt-parent = <&gpio2>;

			interrupts = <31>;

			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;

		};

	};



	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 {

		compatible = "gpio-keys";