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authorTony Lindgren <tony@atomide.com>2010-11-30 14:46:36 -0800
committerTony Lindgren <tony@atomide.com>2010-11-30 14:46:36 -0800
commit52aa8c539dad56728527de664f368915ff44badf (patch)
tree4aa8615023e0bc49153e1dc160fd727f09eb4f71 /arch/arm/mach-omap2/mux.h
parentMerge branch 'pm-hwmod-i2c' of ssh://master.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-linus (diff)
parentOMAP: mux: Add __func__ macro to pr_xxx macros (diff)
downloadlinux-dev-52aa8c539dad56728527de664f368915ff44badf.tar.xz
linux-dev-52aa8c539dad56728527de664f368915ff44badf.zip
Merge branch 'ctrl-wip/mux-omap4-v4' of git://gitorious.org/omap-pm/linux into omap-for-linus
Diffstat (limited to 'arch/arm/mach-omap2/mux.h')
-rw-r--r--arch/arm/mach-omap2/mux.h83
1 files changed, 71 insertions, 12 deletions
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index 350c04f27383..79076d61d399 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2009 Nokia
- * Copyright (C) 2009 Texas Instruments
+ * Copyright (C) 2009-2010 Texas Instruments
*
* 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
@@ -10,6 +10,7 @@
#include "mux2420.h"
#include "mux2430.h"
#include "mux34xx.h"
+#include "mux44xx.h"
#define OMAP_MUX_TERMINATOR 0xffff
@@ -37,6 +38,9 @@
#define OMAP_OFF_PULL_UP (1 << 13)
#define OMAP_WAKEUP_EN (1 << 14)
+/* 44xx specific mux bit defines */
+#define OMAP_WAKEUP_EVENT (1 << 15)
+
/* Active pin states */
#define OMAP_PIN_OUTPUT 0
#define OMAP_PIN_INPUT OMAP_INPUT_EN
@@ -56,8 +60,10 @@
#define OMAP_MODE_GPIO(x) (((x) & OMAP_MUX_MODE7) == OMAP_MUX_MODE4)
-/* Flags for omap_mux_init */
+/* Flags for omapX_mux_init */
#define OMAP_PACKAGE_MASK 0xffff
+#define OMAP_PACKAGE_CBS 8 /* 547-pin 0.40 0.40 */
+#define OMAP_PACKAGE_CBL 7 /* 547-pin 0.40 0.40 */
#define OMAP_PACKAGE_CBP 6 /* 515-pin 0.40 0.50 */
#define OMAP_PACKAGE_CUS 5 /* 423-pin 0.65 */
#define OMAP_PACKAGE_CBB 4 /* 515-pin 0.40 0.50 */
@@ -66,14 +72,47 @@
#define OMAP_PACKAGE_ZAF 1 /* 2420 447-pin SIP */
-#define OMAP_MUX_NR_MODES 8 /* Available modes */
-#define OMAP_MUX_NR_SIDES 2 /* Bottom & top */
+#define OMAP_MUX_NR_MODES 8 /* Available modes */
+#define OMAP_MUX_NR_SIDES 2 /* Bottom & top */
+
+/*
+ * omap_mux_init flags definition:
+ *
+ * OMAP_MUX_REG_8BIT: Ensure that access to padconf is done in 8 bits.
+ * The default value is 16 bits.
+ * OMAP_MUX_GPIO_IN_MODE3: The GPIO is selected in mode3.
+ * The default is mode4.
+ */
+#define OMAP_MUX_REG_8BIT (1 << 0)
+#define OMAP_MUX_GPIO_IN_MODE3 (1 << 1)
+
+/**
+ * struct mux_partition - contain partition related information
+ * @name: name of the current partition
+ * @flags: flags specific to this partition
+ * @phys: physical address
+ * @size: partition size
+ * @base: virtual address after ioremap
+ * @muxmodes: list of nodes that belong to a partition
+ * @node: list node for the partitions linked list
+ */
+struct omap_mux_partition {
+ const char *name;
+ u32 flags;
+ u32 phys;
+ u32 size;
+ void __iomem *base;
+ struct list_head muxmodes;
+ struct list_head node;
+};
/**
* struct omap_mux - data for omap mux register offset and it's value
* @reg_offset: mux register offset from the mux base
* @gpio: GPIO number
* @muxnames: available signal modes for a ball
+ * @balls: available balls on the package
+ * @partition: mux partition
*/
struct omap_mux {
u16 reg_offset;
@@ -151,28 +190,39 @@ u16 omap_mux_get_gpio(int gpio);
void omap_mux_set_gpio(u16 val, int gpio);
/**
+ * omap_mux_get() - get a mux partition by name
+ * @name: Name of the mux partition
+ *
+ */
+struct omap_mux_partition *omap_mux_get(const char *name);
+
+/**
* omap_mux_read() - read mux register
+ * @partition: Mux partition
* @mux_offset: Offset of the mux register
*
*/
-u16 omap_mux_read(u16 mux_offset);
+u16 omap_mux_read(struct omap_mux_partition *p, u16 mux_offset);
/**
* omap_mux_write() - write mux register
+ * @partition: Mux partition
* @val: New mux register value
* @mux_offset: Offset of the mux register
*
* This should be only needed for dynamic remuxing of non-gpio signals.
*/
-void omap_mux_write(u16 val, u16 mux_offset);
+void omap_mux_write(struct omap_mux_partition *p, u16 val, u16 mux_offset);
/**
* omap_mux_write_array() - write an array of mux registers
+ * @partition: Mux partition
* @board_mux: Array of mux registers terminated by MAP_MUX_TERMINATOR
*
* This should be only needed for dynamic remuxing of non-gpio signals.
*/
-void omap_mux_write_array(struct omap_board_mux *board_mux);
+void omap_mux_write_array(struct omap_mux_partition *p,
+ struct omap_board_mux *board_mux);
/**
* omap2420_mux_init() - initialize mux system with board specific set
@@ -196,10 +246,19 @@ int omap2430_mux_init(struct omap_board_mux *board_mux, int flags);
int omap3_mux_init(struct omap_board_mux *board_mux, int flags);
/**
+ * omap4_mux_init() - initialize mux system with board specific set
+ * @board_mux: Board specific mux table
+ * @flags: OMAP package type used for the board
+ */
+int omap4_mux_init(struct omap_board_mux *board_mux, int flags);
+
+/**
* omap_mux_init - private mux init function, do not call
*/
-int omap_mux_init(u32 mux_pbase, u32 mux_size,
- struct omap_mux *superset,
- struct omap_mux *package_subset,
- struct omap_board_mux *board_mux,
- struct omap_ball *package_balls);
+int omap_mux_init(const char *name, u32 flags,
+ u32 mux_pbase, u32 mux_size,
+ struct omap_mux *superset,
+ struct omap_mux *package_subset,
+ struct omap_board_mux *board_mux,
+ struct omap_ball *package_balls);
+