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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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3d76f9f5d3
Commit 9e3c0066 (ARM: dts: imx6q-arm2: add pinctrl for uart and enet)
defines NANDF_CS pins as gpio in 'hog', assuming these two pins are
always used by usdhc3 in gpio mode as card-detection and
write-protection on ARM2 board. But it's not true. These pins are
shared by usdhc3 and gpmi-nand. We should have the pins functional
for gpmi-nand when usdhc3 is disabled.
Move the pins out of 'hog', so that pins only work in gpio mode as CD
and WP when usdhc3 is enabled, and otherwise they are available for
gpmi-nand.
Reported-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
111 lines
2.3 KiB
Plaintext
111 lines
2.3 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/ "imx6q.dtsi"
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/ {
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model = "Freescale i.MX6 Quad Armadillo2 Board";
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compatible = "fsl,imx6q-arm2", "fsl,imx6q";
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memory {
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reg = <0x10000000 0x80000000>;
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};
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soc {
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gpmi-nand@00112000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_gpmi_nand_1>;
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status = "disabled"; /* gpmi nand conflicts with SD */
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};
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aips-bus@02000000 { /* AIPS1 */
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iomuxc@020e0000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_hog>;
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hog {
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pinctrl_hog: hoggrp {
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fsl,pins = <
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176 0x80000000 /* MX6Q_PAD_EIM_D25__GPIO_3_25 */
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>;
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};
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};
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arm2 {
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pinctrl_usdhc3_arm2: usdhc3grp-arm2 {
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fsl,pins = <
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1363 0x80000000 /* MX6Q_PAD_NANDF_CS0__GPIO_6_11 */
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1369 0x80000000 /* MX6Q_PAD_NANDF_CS1__GPIO_6_14 */
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>;
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};
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};
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};
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};
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aips-bus@02100000 { /* AIPS2 */
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ethernet@02188000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_enet_2>;
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phy-mode = "rgmii";
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status = "okay";
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};
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usdhc@02198000 { /* uSDHC3 */
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cd-gpios = <&gpio6 11 0>;
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wp-gpios = <&gpio6 14 0>;
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vmmc-supply = <®_3p3v>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usdhc3_1
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&pinctrl_usdhc3_arm2>;
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status = "okay";
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};
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usdhc@0219c000 { /* uSDHC4 */
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non-removable;
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vmmc-supply = <®_3p3v>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usdhc4_1>;
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status = "okay";
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};
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uart4: serial@021f0000 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart4_1>;
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status = "okay";
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};
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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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leds {
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compatible = "gpio-leds";
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debug-led {
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label = "Heartbeat";
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gpios = <&gpio3 25 0>;
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linux,default-trigger = "heartbeat";
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};
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};
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};
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