mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1eec0c5695
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>
130 lines
2.6 KiB
Plaintext
130 lines
2.6 KiB
Plaintext
/*
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* Copyright 2011 Freescale Semiconductor, Inc.
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* Copyright 2011 Linaro Ltd.
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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/dts-v1/;
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/include/ "imx53.dtsi"
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/ {
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model = "Freescale i.MX53 Automotive Reference Design Board";
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compatible = "fsl,imx53-ard", "fsl,imx53";
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memory {
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reg = <0x70000000 0x40000000>;
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};
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soc {
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aips@50000000 { /* AIPS1 */
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spba@50000000 {
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esdhc@50004000 { /* ESDHC1 */
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cd-gpios = <&gpio1 1 0>;
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wp-gpios = <&gpio1 9 0>;
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status = "okay";
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};
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};
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wdog@53f98000 { /* WDOG1 */
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status = "okay";
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};
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iomuxc@53fa8000 {
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compatible = "fsl,imx53-iomuxc-ard";
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reg = <0x53fa8000 0x4000>;
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};
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uart1: serial@53fbc000 {
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status = "okay";
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};
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};
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aips@60000000 { /* AIPS2 */
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sdma@63fb0000 {
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fsl,sdma-ram-script-name = "imx/sdma/sdma-imx53.bin";
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};
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};
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};
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eim-cs1@f4000000 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "fsl,eim-bus", "simple-bus";
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reg = <0xf4000000 0x3ff0000>;
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ranges;
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lan9220@f4000000 {
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compatible = "smsc,lan9220", "smsc,lan9115";
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reg = <0xf4000000 0x2000000>;
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phy-mode = "mii";
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interrupt-parent = <&gpio2>;
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interrupts = <31>;
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reg-io-width = <4>;
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/*
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* VDD33A and VDDVARIO of LAN9220 are supplied by
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* SW4_3V3 of LTC3589. Before the regulator driver
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* for this PMIC is available, we use a fixed dummy
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* 3V3 regulator to get LAN9220 driver probing work.
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*/
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vdd33a-supply = <®_3p3v>;
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vddvario-supply = <®_3p3v>;
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smsc,irq-push-pull;
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};
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};
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regulators {
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compatible = "simple-bus";
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reg_3p3v: 3p3v {
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compatible = "regulator-fixed";
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regulator-name = "3P3V";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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};
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gpio-keys {
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compatible = "gpio-keys";
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home {
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label = "Home";
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gpios = <&gpio5 10 0>;
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linux,code = <102>; /* KEY_HOME */
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gpio-key,wakeup;
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};
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back {
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label = "Back";
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gpios = <&gpio5 11 0>;
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linux,code = <158>; /* KEY_BACK */
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gpio-key,wakeup;
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};
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program {
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label = "Program";
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gpios = <&gpio5 12 0>;
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linux,code = <362>; /* KEY_PROGRAM */
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gpio-key,wakeup;
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};
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volume-up {
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label = "Volume Up";
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gpios = <&gpio5 13 0>;
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linux,code = <115>; /* KEY_VOLUMEUP */
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};
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volume-down {
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label = "Volume Down";
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gpios = <&gpio4 0 0>;
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linux,code = <114>; /* KEY_VOLUMEDOWN */
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};
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};
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};
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