--- zzzz-none-000/linux-3.10.107/include/linux/platform_data/mmc-esdhc-imx.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/platform_data/mmc-esdhc-imx.h	2021-02-04 17:41:59.000000000 +0000
@@ -10,6 +10,8 @@
 #ifndef __ASM_ARCH_IMX_ESDHC_H
 #define __ASM_ARCH_IMX_ESDHC_H
 
+#include <linux/types.h>
+
 enum wp_types {
 	ESDHC_WP_NONE,		/* no WP, neither controller nor gpio */
 	ESDHC_WP_CONTROLLER,	/* mmc controller internal WP */
@@ -32,6 +34,7 @@
  * @cd_gpio:	gpio for card_detect interrupt
  * @wp_type:	type of write_protect method (see wp_types enum above)
  * @cd_type:	type of card_detect method (see cd_types enum above)
+ * @support_vsel:  indicate it supports 1.8v switching
  */
 
 struct esdhc_platform_data {
@@ -40,5 +43,8 @@
 	enum wp_types wp_type;
 	enum cd_types cd_type;
 	int max_bus_width;
+	bool support_vsel;
+	unsigned int delay_line;
+	unsigned int tuning_step;       /* The delay cell steps in tuning procedure */
 };
 #endif /* __ASM_ARCH_IMX_ESDHC_H */