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Diffstat (limited to 'include/linux/platform_data/gpmc-omap.h')
-rw-r--r--include/linux/platform_data/gpmc-omap.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/include/linux/platform_data/gpmc-omap.h b/include/linux/platform_data/gpmc-omap.h
index 67ccdb0e1606..dcca6c5e23bb 100644
--- a/include/linux/platform_data/gpmc-omap.h
+++ b/include/linux/platform_data/gpmc-omap.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* OMAP GPMC Platform data
*
- * Copyright (C) 2014 Texas Instruments, Inc. - http://www.ti.com
+ * Copyright (C) 2014 Texas Instruments, Inc. - https://www.ti.com
* Roger Quadros <rogerq@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
*/
#ifndef _GPMC_OMAP_H_
@@ -139,6 +136,13 @@ struct gpmc_device_timings {
#define GPMC_MUX_AAD 1 /* Addr-Addr-Data multiplex */
#define GPMC_MUX_AD 2 /* Addr-Data multiplex */
+/* Wait pin polarity values */
+#define GPMC_WAITPINPOLARITY_INVALID UINT_MAX
+#define GPMC_WAITPINPOLARITY_ACTIVE_LOW 0
+#define GPMC_WAITPINPOLARITY_ACTIVE_HIGH 1
+
+#define GPMC_WAITPIN_INVALID UINT_MAX
+
struct gpmc_settings {
bool burst_wrap; /* enables wrap bursting */
bool burst_read; /* enables read page/burst mode */
@@ -152,6 +156,7 @@ struct gpmc_settings {
u32 device_width; /* device bus width (8 or 16 bit) */
u32 mux_add_data; /* multiplex address & data */
u32 wait_pin; /* wait-pin to be used */
+ u32 wait_pin_polarity;
};
/* Data for each chip select */