linux-kernel - [RFC PATCH 01/16] ARM: OMAP2+: gpmc: Add platform data

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Date:	Wed, 21 May 2014 14:20:49 +0300
From:	Roger Quadros <rogerq@...com>
To:	<tony@...mide.com>, <computersforpeace@...il.com>
CC:	<pekon@...com>, <ezequiel.garcia@...e-electrons.com>,
	<robertcnelson@...il.com>, <jg1.han@...sung.com>,
	<dwmw2@...radead.org>, <javier@...hile0.org>, <nsekhar@...com>,
	<linux-omap@...r.kernel.org>, <linux-mtd@...ts.infradead.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Roger Quadros <rogerq@...com>
Subject: [RFC PATCH 01/16] ARM: OMAP2+: gpmc: Add platform data

Add a platform data structure for GPMC. It contains all the necessary
platform information that needs to be passed from platform init code
to GPMC driver.

Signed-off-by: Roger Quadros <rogerq@...com>
---
 arch/arm/mach-omap2/gpmc.h              |  4 +---
 include/linux/platform_data/gpmc-omap.h | 37 +++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+), 3 deletions(-)
 create mode 100644 include/linux/platform_data/gpmc-omap.h

diff --git a/arch/arm/mach-omap2/gpmc.h b/arch/arm/mach-omap2/gpmc.h
index 707f6d5..c476712 100644
--- a/arch/arm/mach-omap2/gpmc.h
+++ b/arch/arm/mach-omap2/gpmc.h
@@ -12,9 +12,7 @@
 #define __OMAP2_GPMC_H
 
 #include <linux/platform_data/mtd-nand-omap2.h>
-
-/* Maximum Number of Chip Selects */
-#define GPMC_CS_NUM		8
+#include <linux/platform_data/gpmc-omap.h>
 
 #define GPMC_CS_CONFIG1		0x00
 #define GPMC_CS_CONFIG2		0x04
diff --git a/include/linux/platform_data/gpmc-omap.h b/include/linux/platform_data/gpmc-omap.h
new file mode 100644
index 0000000..bff352f
--- /dev/null
+++ b/include/linux/platform_data/gpmc-omap.h
@@ -0,0 +1,37 @@
+/*
+ * OMAP GPMC Platform data
+ *
+ * Copyright (C) 2014 Texas Instruments, Inc. - http://www.ti.com
+ *	Roger Quadros <rogerq@...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_
+#define _GPMC_OMAP_H_
+
+/* Maximum Number of Chip Selects */
+#define GPMC_CS_NUM		8
+
+enum gpmc_omap_type {
+	GPMC_OMAP_TYPE_NOR,
+	GPMC_OMAP_TYPE_NAND,
+	GPMC_OMAP_TYPE_ONENAND,
+	GPMC_OMAP_TYPE_GENERIC,
+};
+
+/* Data for each chip select */
+struct gpmc_omap_cs_data {
+	bool valid;	/* data is valid */
+	enum gpmc_omap_type type;
+	struct platform_device *pdev;	/* device within this CS region */
+	unsigned pdata_size;
+};
+
+struct gpmc_omap_platform_data {
+	struct gpmc_omap_cs_data cs[GPMC_CS_NUM];
+};
+
+#endif /* _GPMC_OMAP_H */
-- 
1.8.3.2

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