summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/imx6sx-sdb-emmc.dts
diff options
context:
space:
mode:
authorHaibo Chen <haibo.chen@freescale.com>2015-12-14 18:23:44 +0800
committerJason Liu <jason.hui.liu@nxp.com>2019-02-12 10:24:01 +0800
commit878124a05737a53dc0d74c518e6a9bf127ad97c8 (patch)
tree788f49c1bd73dd75c96e0ca5f908c8a5affed915 /arch/arm/boot/dts/imx6sx-sdb-emmc.dts
parentf316610f9ec020b04e7815009fbd9a9b79db58ff (diff)
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>
Diffstat (limited to 'arch/arm/boot/dts/imx6sx-sdb-emmc.dts')
-rw-r--r--arch/arm/boot/dts/imx6sx-sdb-emmc.dts30
1 files changed, 30 insertions, 0 deletions
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..6a2a07b0e2ba
--- /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";
+};