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ARM: dts: add emmc support for imx6sx-sdb board 

Add emmc support for imx6sx-sdb board, due to this support
need remove sd4 sd card slot and solder an eMMC chip, so
this patch add imx6sx-sdb-emmc.dts file.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
5.4-rM2-2.2.x-imx-squashed
Haibo Chen 2019-08-14 15:56:08 +08:00 committed by Dong Aisheng
parent 562b71e3b6
commit 53751f8732
3 changed files with 78 additions and 0 deletions
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1
arch/arm/boot/dts/Makefile
View File

@ -563,6 +563,7 @@ dtb-$(CONFIG_SOC_IMX6SX) += \
imx6sx-sdb-reva.dtb \
imx6sx-sdb-sai.dtb \
imx6sx-sdb.dtb \
imx6sx-sdb-emmc.dtb \
imx6sx-sdb-m4.dtb \
imx6sx-softing-vining-2000.dtb \
imx6sx-udoo-neo-basic.dtb \

32
arch/arm/boot/dts/imx6sx-sdb-emmc.dts 100644
View File

@ -0,0 +1,32 @@
/*
* Copyright 2019 NXP
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*/
#include "imx6sx-sdb.dts"
/*
* The eMMC chip on imx6sx sdb board is DNP by default.
* Need do hw rework to burn the eMMC4.5 chip on the eMMC socket on uSDHC4
* and connect eMMC signals as well as disconnect BOOT SD CARD slot signals
*/
&usdhc4 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc4_1>;
pinctrl-1 = <&pinctrl_usdhc4_1_100mhz>;
pinctrl-2 = <&pinctrl_usdhc4_1_200mhz>;
bus-width = <8>;
/*
* overwrite cd-gpios and wp-gpios since they are reused as eMMC DATA
* signals after rework
*/
cd-gpios = <>;
wp-gpios = <>;
non-removable;
status = "okay";
};

45
arch/arm/boot/dts/imx6sx-sdb.dtsi
View File

@ -720,6 +720,51 @@
>;
};
pinctrl_usdhc4_1: usdhc4grp-1 {
fsl,pins = <
MX6SX_PAD_SD4_CMD__USDHC4_CMD 0x17059
MX6SX_PAD_SD4_CLK__USDHC4_CLK 0x10059
MX6SX_PAD_SD4_DATA0__USDHC4_DATA0 0x17059
MX6SX_PAD_SD4_DATA1__USDHC4_DATA1 0x17059
MX6SX_PAD_SD4_DATA2__USDHC4_DATA2 0x17059
MX6SX_PAD_SD4_DATA3__USDHC4_DATA3 0x17059
MX6SX_PAD_SD4_DATA4__USDHC4_DATA4 0x17059
MX6SX_PAD_SD4_DATA5__USDHC4_DATA5 0x17059
MX6SX_PAD_SD4_DATA6__USDHC4_DATA6 0x17059
MX6SX_PAD_SD4_DATA7__USDHC4_DATA7 0x17059
>;
};
pinctrl_usdhc4_1_100mhz: usdhc4grp-1-100mhz {
fsl,pins = <
MX6SX_PAD_SD4_CMD__USDHC4_CMD 0x170b9
MX6SX_PAD_SD4_CLK__USDHC4_CLK 0x100b9
MX6SX_PAD_SD4_DATA0__USDHC4_DATA0 0x170b9
MX6SX_PAD_SD4_DATA1__USDHC4_DATA1 0x170b9
MX6SX_PAD_SD4_DATA2__USDHC4_DATA2 0x170b9
MX6SX_PAD_SD4_DATA3__USDHC4_DATA3 0x170b9
MX6SX_PAD_SD4_DATA4__USDHC4_DATA4 0x170b9
MX6SX_PAD_SD4_DATA5__USDHC4_DATA5 0x170b9
MX6SX_PAD_SD4_DATA6__USDHC4_DATA6 0x170b9
MX6SX_PAD_SD4_DATA7__USDHC4_DATA7 0x170b9
>;
};
pinctrl_usdhc4_1_200mhz: usdhc4grp-1-200mhz {
fsl,pins = <
MX6SX_PAD_SD4_CMD__USDHC4_CMD 0x170f9
MX6SX_PAD_SD4_CLK__USDHC4_CLK 0x100f9
MX6SX_PAD_SD4_DATA0__USDHC4_DATA0 0x170f9
MX6SX_PAD_SD4_DATA1__USDHC4_DATA1 0x170f9
MX6SX_PAD_SD4_DATA2__USDHC4_DATA2 0x170f9
MX6SX_PAD_SD4_DATA3__USDHC4_DATA3 0x170f9
MX6SX_PAD_SD4_DATA4__USDHC4_DATA4 0x170f9
MX6SX_PAD_SD4_DATA5__USDHC4_DATA5 0x170f9
MX6SX_PAD_SD4_DATA6__USDHC4_DATA6 0x170f9
MX6SX_PAD_SD4_DATA7__USDHC4_DATA7 0x170f9
>;
};
pinctrl_wdog: wdoggrp {
fsl,pins = <
MX6SX_PAD_GPIO1_IO13__WDOG1_WDOG_ANY 0x30b0