MLK-12010 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@freescale.com>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 47c3462..697621f 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -440,6 +440,7 @@ dtb-$(CONFIG_SOC_IMX6SX) += \
        imx6sx-sdb-reva-ldo.dtb \
        imx6sx-sdb.dtb  \
        imx6sx-sdb-btwifi.dtb \
+       imx6sx-sdb-emmc.dtb \
        imx6sx-sdb-lcdif1.dtb \
        imx6sx-sdb-ldo.dtb      \
        imx6sx-sdb-m4.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 (file)
index 0000000..6a2a07b
--- /dev/null
+++ b/arch/arm/boot/dts/imx6sx-sdb-emmc.dts
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#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 f19cf7b..f6987b2 100644 (file)
--- a/arch/arm/boot/dts/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi
@@ -1008,6 +1008,51 @@
                        >;
                };
 
+               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