From 53751f873291a91a762a70b351feaf5167fa138d Mon Sep 17 00:00:00 2001 From: Haibo Chen Date: Wed, 14 Aug 2019 15:56:08 +0800 Subject: [PATCH] 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 --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/imx6sx-sdb-emmc.dts | 32 +++++++++++++++++++ arch/arm/boot/dts/imx6sx-sdb.dtsi | 45 +++++++++++++++++++++++++++ 3 files changed, 78 insertions(+) create mode 100644 arch/arm/boot/dts/imx6sx-sdb-emmc.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 50742373b6af..96321f24f5ee 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -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 \ diff --git a/arch/arm/boot/dts/imx6sx-sdb-emmc.dts b/arch/arm/boot/dts/imx6sx-sdb-emmc.dts new file mode 100644 index 000000000000..0e4049b74ac8 --- /dev/null +++ b/arch/arm/boot/dts/imx6sx-sdb-emmc.dts @@ -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"; +}; + diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi index b81036289211..020ebeb44476 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dtsi +++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi @@ -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