ARM: OMAP2+: Remove legacy mux code

All the boards booting with device tree use
drivers/pinctrl-single.c instead.

Note that mach-omap1 is still using the legacy mux,
so let's move the related Kconfig options from plat-omap
to mach-omap1.
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap1/Kconfig

@@ -31,6 +31,32 @@ config ARCH_OMAP16XX
 	select ARCH_OMAP_OTG
 	select CPU_ARM926T
 
+config OMAP_MUX
+	bool "OMAP multiplexing support"
+	depends on ARCH_OMAP
+	default y
+	help
+	  Pin multiplexing support for OMAP boards. If your bootloader
+	  sets the multiplexing correctly, say N. Otherwise, or if unsure,
+	  say Y.
+
+config OMAP_MUX_DEBUG
+	bool "Multiplexing debug output"
+	depends on OMAP_MUX
+	help
+	  Makes the multiplexing functions print out a lot of debug info.
+	  This is useful if you want to find out the correct values of the
+	  multiplexing registers.
+
+config OMAP_MUX_WARNINGS
+	bool "Warn about pins the bootloader didn't set up"
+	depends on OMAP_MUX
+	default y
+	help
+	  Choose Y here to warn whenever driver initialization logic needs
+	  to change the pin multiplexing setup.	 When there are no warnings
+	  printed, it's safe to deselect OMAP_MUX for your product.
+
 comment "OMAP Board Type"
 	depends on ARCH_OMAP1
 

arch/arm/mach-omap2/Makefile

@@ -6,7 +6,7 @@ ccflags-y := -I$(srctree)/$(src)/include \
 	-I$(srctree)/arch/arm/plat-omap/include
 
 # Common support
-obj-y := id.o io.o control.o mux.o devices.o fb.o timer.o pm.o \
+obj-y := id.o io.o control.o devices.o fb.o timer.o pm.o \
 	 common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \
 	 omap_device.o omap-headsmp.o sram.o drm.o
 
@@ -63,9 +63,6 @@ obj-$(CONFIG_ARCH_OMAP4)		+= omap4-restart.o
 obj-$(CONFIG_SOC_OMAP5)			+= omap4-restart.o
 obj-$(CONFIG_SOC_DRA7XX)		+= omap4-restart.o
 
-# Pin multiplexing
-obj-$(CONFIG_ARCH_OMAP3)		+= mux34xx.o
-
 # SMS/SDRC
 obj-$(CONFIG_ARCH_OMAP2)		+= sdrc2xxx.o
 # obj-$(CONFIG_ARCH_OMAP3)		+= sdrc3xxx.o

arch/arm/mach-omap2/common.h

@@ -77,15 +77,6 @@ static inline int omap4_pm_init_early(void)
 }
 #endif
 
-#ifdef CONFIG_OMAP_MUX
-int omap_mux_late_init(void);
-#else
-static inline int omap_mux_late_init(void)
-{
-	return 0;
-}
-#endif
-
 extern void omap2_init_common_infrastructure(void);
 
 extern void omap_init_time(void);

arch/arm/mach-omap2/dss-common.c

@@ -32,6 +32,5 @@
 
 #include "soc.h"
 #include "dss-common.h"
-#include "mux.h"
 #include "display.h"
 

arch/arm/mach-omap2/hsmmc.c

@@ -22,7 +22,6 @@
 #include "omap_device.h"
 #include "omap-pm.h"
 
-#include "mux.h"
 #include "hsmmc.h"
 #include "control.h"
 
@@ -147,91 +146,6 @@ static int nop_mmc_set_power(struct device *dev, int power_on, int vdd)
 	return 0;
 }
 
-static inline void omap_hsmmc_mux(struct omap_hsmmc_platform_data
-				  *mmc_controller, int controller_nr)
-{
-	if (gpio_is_valid(mmc_controller->gpio_cd) &&
-	    (mmc_controller->gpio_cd < OMAP_MAX_GPIO_LINES))
-		omap_mux_init_gpio(mmc_controller->gpio_cd,
-				   OMAP_PIN_INPUT_PULLUP);
-	if (gpio_is_valid(mmc_controller->gpio_cod) &&
-	    (mmc_controller->gpio_cod < OMAP_MAX_GPIO_LINES))
-		omap_mux_init_gpio(mmc_controller->gpio_cod,
-				   OMAP_PIN_INPUT_PULLUP);
-	if (gpio_is_valid(mmc_controller->gpio_wp) &&
-	    (mmc_controller->gpio_wp < OMAP_MAX_GPIO_LINES))
-		omap_mux_init_gpio(mmc_controller->gpio_wp,
-				   OMAP_PIN_INPUT_PULLUP);
-	if (cpu_is_omap34xx()) {
-		if (controller_nr == 0) {
-			omap_mux_init_signal("sdmmc1_clk",
-				OMAP_PIN_INPUT_PULLUP);
-			omap_mux_init_signal("sdmmc1_cmd",
-				OMAP_PIN_INPUT_PULLUP);
-			omap_mux_init_signal("sdmmc1_dat0",
-				OMAP_PIN_INPUT_PULLUP);
-			if (mmc_controller->caps &
-				(MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) {
-				omap_mux_init_signal("sdmmc1_dat1",
-					OMAP_PIN_INPUT_PULLUP);
-				omap_mux_init_signal("sdmmc1_dat2",
-					OMAP_PIN_INPUT_PULLUP);
-				omap_mux_init_signal("sdmmc1_dat3",
-					OMAP_PIN_INPUT_PULLUP);
-			}
-			if (mmc_controller->caps &
-						MMC_CAP_8_BIT_DATA) {
-				omap_mux_init_signal("sdmmc1_dat4",
-					OMAP_PIN_INPUT_PULLUP);
-				omap_mux_init_signal("sdmmc1_dat5",
-					OMAP_PIN_INPUT_PULLUP);
-				omap_mux_init_signal("sdmmc1_dat6",
-					OMAP_PIN_INPUT_PULLUP);
-				omap_mux_init_signal("sdmmc1_dat7",
-					OMAP_PIN_INPUT_PULLUP);
-			}
-		}
-		if (controller_nr == 1) {
-			/* MMC2 */
-			omap_mux_init_signal("sdmmc2_clk",
-				OMAP_PIN_INPUT_PULLUP);
-			omap_mux_init_signal("sdmmc2_cmd",
-				OMAP_PIN_INPUT_PULLUP);
-			omap_mux_init_signal("sdmmc2_dat0",
-				OMAP_PIN_INPUT_PULLUP);
-
-			/*
-			 * For 8 wire configurations, Lines DAT4, 5, 6 and 7
-			 * need to be muxed in the board-*.c files
-			 */
-			if (mmc_controller->caps &
-				(MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) {
-				omap_mux_init_signal("sdmmc2_dat1",
-					OMAP_PIN_INPUT_PULLUP);
-				omap_mux_init_signal("sdmmc2_dat2",
-					OMAP_PIN_INPUT_PULLUP);
-				omap_mux_init_signal("sdmmc2_dat3",
-					OMAP_PIN_INPUT_PULLUP);
-			}
-			if (mmc_controller->caps &
-							MMC_CAP_8_BIT_DATA) {
-				omap_mux_init_signal("sdmmc2_dat4.sdmmc2_dat4",
-					OMAP_PIN_INPUT_PULLUP);
-				omap_mux_init_signal("sdmmc2_dat5.sdmmc2_dat5",
-					OMAP_PIN_INPUT_PULLUP);
-				omap_mux_init_signal("sdmmc2_dat6.sdmmc2_dat6",
-					OMAP_PIN_INPUT_PULLUP);
-				omap_mux_init_signal("sdmmc2_dat7.sdmmc2_dat7",
-					OMAP_PIN_INPUT_PULLUP);
-			}
-		}
-
-		/*
-		 * For MMC3 the pins need to be muxed in the board-*.c files
-		 */
-	}
-}
-
 static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
 					struct omap_hsmmc_platform_data *mmc)
 {
@@ -410,8 +324,6 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo,
 	if (res < 0)
 		goto free_mmc;
 
-	omap_hsmmc_mux(mmc_data, (ctrl_nr - 1));
-
 	name = "omap_hsmmc";
 	res = snprintf(oh_name, MAX_OMAP_MMC_HWMOD_NAME_LEN,
 		     "mmc%d", ctrl_nr);

arch/arm/mach-omap2/io.c

@@ -427,7 +427,6 @@ static void __init omap_hwmod_init_postsetup(void)
 
 static void __init __maybe_unused omap_common_late_init(void)
 {
-	omap_mux_late_init();
 	omap2_common_pm_late_init();
 	omap_soc_device_init();
 }

arch/arm/mach-omap2/msdi.c

@@ -30,7 +30,6 @@
 #include "control.h"
 #include "omap_hwmod.h"
 #include "omap_device.h"
-#include "mux.h"
 #include "mmc.h"
 
 /*

arch/arm/mach-omap2/mux.h

-/*
- * Copyright (C) 2009 Nokia
- * 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
- * published by the Free Software Foundation.
- */
-
-#include "mux34xx.h"
-
-#define OMAP_MUX_TERMINATOR	0xffff
-
-/* 34xx mux mode options for each pin. See TRM for options */
-#define OMAP_MUX_MODE0      0
-#define OMAP_MUX_MODE1      1
-#define OMAP_MUX_MODE2      2
-#define OMAP_MUX_MODE3      3
-#define OMAP_MUX_MODE4      4
-#define OMAP_MUX_MODE5      5
-#define OMAP_MUX_MODE6      6
-#define OMAP_MUX_MODE7      7
-
-/* 24xx/34xx mux bit defines */
-#define OMAP_PULL_ENA			(1 << 3)
-#define OMAP_PULL_UP			(1 << 4)
-#define OMAP_ALTELECTRICALSEL		(1 << 5)
-
-/* omap3/4/5 specific mux bit defines */
-#define OMAP_INPUT_EN			(1 << 8)
-#define OMAP_OFF_EN			(1 << 9)
-#define OMAP_OFFOUT_EN			(1 << 10)
-#define OMAP_OFFOUT_VAL			(1 << 11)
-#define OMAP_OFF_PULL_EN		(1 << 12)
-#define OMAP_OFF_PULL_UP		(1 << 13)
-#define OMAP_WAKEUP_EN			(1 << 14)
-#define OMAP_WAKEUP_EVENT		(1 << 15)
-
-/* Active pin states */
-#define OMAP_PIN_OUTPUT			0
-#define OMAP_PIN_INPUT			OMAP_INPUT_EN
-#define OMAP_PIN_INPUT_PULLUP		(OMAP_PULL_ENA | OMAP_INPUT_EN \
-						| OMAP_PULL_UP)
-#define OMAP_PIN_INPUT_PULLDOWN		(OMAP_PULL_ENA | OMAP_INPUT_EN)
-
-/* Off mode states */
-#define OMAP_PIN_OFF_NONE		0
-#define OMAP_PIN_OFF_OUTPUT_HIGH	(OMAP_OFF_EN | OMAP_OFFOUT_EN \
-						| OMAP_OFFOUT_VAL)
-#define OMAP_PIN_OFF_OUTPUT_LOW		(OMAP_OFF_EN | OMAP_OFFOUT_EN)
-#define OMAP_PIN_OFF_INPUT_PULLUP	(OMAP_OFF_EN | OMAP_OFF_PULL_EN \
-						| OMAP_OFF_PULL_UP)
-#define OMAP_PIN_OFF_INPUT_PULLDOWN	(OMAP_OFF_EN | OMAP_OFF_PULL_EN)
-#define OMAP_PIN_OFF_WAKEUPENABLE	OMAP_WAKEUP_EN
-
-#define OMAP_MODE_GPIO(partition, x)	(((x) & OMAP_MUX_MODE7) == \
-					  partition->gpio)
-#define OMAP_MODE_UART(x)	(((x) & OMAP_MUX_MODE7) == OMAP_MUX_MODE0)
-
-/* Flags for omapX_mux_init */
-#define OMAP_PACKAGE_MASK		0xffff
-#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 */
-#define OMAP_PACKAGE_CBC		3		/* 515-pin 0.50 0.65 */
-
-#define OMAP_MUX_NR_MODES		8		/* Available modes */
-#define OMAP_MUX_NR_SIDES		2		/* Bottom & top */
-
-/*
- * omap_mux_init flags definition:
- *
- * OMAP_GPIO_MUX_MODE, bits 0-2: gpio muxing mode, same like pad control
- *      register which includes values from 0-7.
- * OMAP_MUX_REG_8BIT: Ensure that access to padconf is done in 8 bits.
- * The default value is 16 bits.
- */
-#define OMAP_MUX_GPIO_IN_MODE0		OMAP_MUX_MODE0
-#define OMAP_MUX_GPIO_IN_MODE1		OMAP_MUX_MODE1
-#define OMAP_MUX_GPIO_IN_MODE2		OMAP_MUX_MODE2
-#define OMAP_MUX_GPIO_IN_MODE3		OMAP_MUX_MODE3
-#define OMAP_MUX_GPIO_IN_MODE4		OMAP_MUX_MODE4
-#define OMAP_MUX_GPIO_IN_MODE5		OMAP_MUX_MODE5
-#define OMAP_MUX_GPIO_IN_MODE6		OMAP_MUX_MODE6
-#define OMAP_MUX_GPIO_IN_MODE7		OMAP_MUX_MODE7
-#define OMAP_MUX_REG_8BIT		(1 << 3)
-
-/**
- * struct omap_board_data - board specific device data
- * @id: instance id
- * @flags: additional flags for platform init code
- * @pads: array of device specific pads
- * @pads_cnt: ARRAY_SIZE() of pads
- */
-struct omap_board_data {
-	int			id;
-	u32			flags;
-	struct omap_device_pad	*pads;
-	int			pads_cnt;
-};
-
-/**
- * struct mux_partition - contain partition related information
- * @name: name of the current partition
- * @flags: flags specific to this partition
- * @gpio: gpio mux mode
- * @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			gpio;
-	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
- */
-struct omap_mux {
-	u16	reg_offset;
-	u16	gpio;
-#ifdef CONFIG_OMAP_MUX
-	char	*muxnames[OMAP_MUX_NR_MODES];
-#ifdef CONFIG_DEBUG_FS
-	char	*balls[OMAP_MUX_NR_SIDES];
-#endif
-#endif
-};
-
-/**
- * struct omap_ball - data for balls on omap package
- * @reg_offset:	mux register offset from the mux base
- * @balls:	available balls on the package
- */
-struct omap_ball {
-	u16	reg_offset;
-	char	*balls[OMAP_MUX_NR_SIDES];
-};
-
-/**
- * struct omap_board_mux - data for initializing mux registers
- * @reg_offset:	mux register offset from the mux base
- * @mux_value:	desired mux value to set
- */
-struct omap_board_mux {
-	u16	reg_offset;
-	u16	value;
-};
-
-#define OMAP_DEVICE_PAD_REMUX		BIT(1)	/* Dynamically remux a pad,
-						   needs enable, idle and off
-						   values */
-#define OMAP_DEVICE_PAD_WAKEUP		BIT(0)	/* Pad is wake-up capable */
-
-/**
- * struct omap_device_pad - device specific pad configuration
- * @name:		signal name
- * @flags:		pad specific runtime flags
- * @enable:		runtime value for a pad
- * @idle:		idle value for a pad
- * @off:		off value for a pad, defaults to safe mode
- * @partition:		mux partition
- * @mux:		mux register
- */
-struct omap_device_pad {
-	char				*name;
-	u8				flags;
-	u16				enable;
-	u16				idle;
-	u16				off;
-	struct omap_mux_partition	*partition;
-	struct omap_mux			*mux;
-};
-
-struct omap_hwmod_mux_info;
-
-#define OMAP_MUX_STATIC(signal, mode)					\
-{									\
-	.name	= (signal),						\
-	.enable	= (mode),						\
-}
-
-#if defined(CONFIG_OMAP_MUX)
-
-/**
- * omap_mux_init_gpio - initialize a signal based on the GPIO number
- * @gpio:		GPIO number
- * @val:		Options for the mux register value
- */
-int omap_mux_init_gpio(int gpio, int val);
-
-/**
- * omap_mux_init_signal - initialize a signal based on the signal name
- * @muxname:		Mux name in mode0_name.signal_name format
- * @val:		Options for the mux register value
- */
-int omap_mux_init_signal(const char *muxname, int val);
-
-/**
- * omap_hwmod_mux_init - initialize hwmod specific mux data
- * @bpads:		Board specific device signal names
- * @nr_pads:		Number of signal names for the device
- */
-extern struct omap_hwmod_mux_info *
-omap_hwmod_mux_init(struct omap_device_pad *bpads, int nr_pads);
-
-/**
- * omap_hwmod_mux - omap hwmod specific pin muxing
- * @hmux:		Pads for a hwmod
- * @state:		Desired _HWMOD_STATE
- *
- * Called only from omap_hwmod.c, do not use.
- */
-void omap_hwmod_mux(struct omap_hwmod_mux_info *hmux, u8 state);
-
-int omap_mux_get_by_name(const char *muxname,
-		struct omap_mux_partition **found_partition,
-		struct omap_mux **found_mux);
-#else
-
-static inline int omap_mux_get_by_name(const char *muxname,
-		struct omap_mux_partition **found_partition,
-		struct omap_mux **found_mux)
-{
-	return 0;
-}
-
-static inline int omap_mux_init_gpio(int gpio, int val)
-{
-	return 0;
-}
-static inline int omap_mux_init_signal(char *muxname, int val)
-{
-	return 0;
-}
-
-static inline struct omap_hwmod_mux_info *
-omap_hwmod_mux_init(struct omap_device_pad *bpads, int nr_pads)
-{
-	return NULL;
-}
-
-static inline void omap_hwmod_mux(struct omap_hwmod_mux_info *hmux, u8 state)
-{
-}
-
-static struct omap_board_mux *board_mux __maybe_unused;
-
-#endif
-
-/**
- * omap_mux_get_gpio() - get mux register value based on GPIO number
- * @gpio:		GPIO number
- *
- */
-u16 omap_mux_get_gpio(int gpio);
-
-/**
- * omap_mux_set_gpio() - set mux register value based on GPIO number
- * @val:		New mux register value
- * @gpio:		GPIO number
- *
- */
-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(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(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_mux_partition *p,
-			  struct omap_board_mux *board_mux);
-
-/**
- * omap2420_mux_init() - initialize mux system with board specific set
- * @board_mux:		Board specific mux table
- * @flags:		OMAP package type used for the board
- */
-int omap2420_mux_init(struct omap_board_mux *board_mux, int flags);
-
-/**
- * omap2430_mux_init() - initialize mux system with board specific set
- * @board_mux:		Board specific mux table
- * @flags:		OMAP package type used for the board
- */
-int omap2430_mux_init(struct omap_board_mux *board_mux, int flags);
-
-/**
- * omap3_mux_init() - initialize mux system with board specific set
- * @board_mux:		Board specific mux table
- * @flags:		OMAP package type used for the board
- */
-int omap3_mux_init(struct omap_board_mux *board_mux, int flags);
-
-/**
- * omap4_mux_init() - initialize mux system with board specific set
- * @board_subset:	Board specific mux table
- * @board_wkup_subset:	Board specific mux table for wakeup instance
- * @flags:		OMAP package type used for the board
- */
-int omap4_mux_init(struct omap_board_mux *board_subset,
-	struct omap_board_mux *board_wkup_subset, int flags);
-
-/**
- * omap_mux_init - private mux init function, do not call
- */
-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);
-

arch/arm/plat-omap/Kconfig

@@ -63,32 +63,6 @@ config OMAP_RESET_CLOCKS
 	  probably do not want this option enabled until your
 	  device drivers work properly.
 
-config OMAP_MUX
-	bool "OMAP multiplexing support"
-	depends on ARCH_OMAP
-	default y
-	help
-	  Pin multiplexing support for OMAP boards. If your bootloader
-	  sets the multiplexing correctly, say N. Otherwise, or if unsure,
-	  say Y.
-
-config OMAP_MUX_DEBUG
-	bool "Multiplexing debug output"
-	depends on OMAP_MUX
-	help
-	  Makes the multiplexing functions print out a lot of debug info.
-	  This is useful if you want to find out the correct values of the
-	  multiplexing registers.
-
-config OMAP_MUX_WARNINGS
-	bool "Warn about pins the bootloader didn't set up"
-	depends on OMAP_MUX
-	default y
-	help
-	  Choose Y here to warn whenever driver initialization logic needs
-	  to change the pin multiplexing setup.	 When there are no warnings
-	  printed, it's safe to deselect OMAP_MUX for your product.
-
 config OMAP_MPU_TIMER
 	bool "Use mpu timer"
 	depends on ARCH_OMAP1