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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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12de44f55d
The FEC driver ignores the GPIO polarity from 'phy-reset-gpios' and considers that the Ethernet PHY is active low, unless the property 'phy-reset-active-high' is present. Fix the device tree description by explicitly passing the 'GPIO_ACTIVE_LOW' flag to the 'phy-reset-gpios' property. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
90 lines
2.0 KiB
Plaintext
90 lines
2.0 KiB
Plaintext
/*
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* Copyright 2012 Free Electrons
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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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/*
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* The CFA-10049 is an expansion board for the CFA-10036 module, thus we
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* need to include the CFA-10036 DTS.
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*/
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#include "imx28-cfa10036.dts"
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/ {
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model = "Crystalfontz CFA-10037 Board";
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compatible = "crystalfontz,cfa10037", "crystalfontz,cfa10036", "fsl,imx28";
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apb@80000000 {
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apbh@80000000 {
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pinctrl@80018000 {
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usb_pins_cfa10037: usb-10037@0 {
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reg = <0>;
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fsl,pinmux-ids = <
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MX28_PAD_GPMI_D07__GPIO_0_7
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>;
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fsl,drive-strength = <MXS_DRIVE_4mA>;
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fsl,voltage = <MXS_VOLTAGE_HIGH>;
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fsl,pull-up = <MXS_PULL_DISABLE>;
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};
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mac0_pins_cfa10037: mac0-10037@0 {
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reg = <0>;
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fsl,pinmux-ids = <
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MX28_PAD_SSP2_SS2__GPIO_2_21
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>;
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fsl,drive-strength = <MXS_DRIVE_4mA>;
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fsl,voltage = <MXS_VOLTAGE_HIGH>;
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fsl,pull-up = <MXS_PULL_DISABLE>;
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};
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};
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};
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apbx@80040000 {
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usbphy1: usbphy@8007e000 {
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status = "okay";
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};
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};
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};
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ahb@80080000 {
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usb1: usb@80090000 {
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vbus-supply = <®_usb1_vbus>;
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pinctrl-0 = <&usb1_pins_a>;
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pinctrl-names = "default";
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status = "okay";
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};
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mac0: ethernet@800f0000 {
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phy-mode = "rmii";
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pinctrl-names = "default";
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pinctrl-0 = <&mac0_pins_a
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&mac0_pins_cfa10037>;
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phy-reset-gpios = <&gpio2 21 GPIO_ACTIVE_LOW>;
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phy-reset-duration = <100>;
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status = "okay";
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};
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};
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regulators {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <0>;
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reg_usb1_vbus: regulator@0 {
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compatible = "regulator-fixed";
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reg = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&usb_pins_cfa10037>;
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regulator-name = "usb1_vbus";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpio0 7 1>;
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};
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};
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};
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