pinctrl: samsung: Group all drivers in a sub-dir

Group all pin control drivers of Samsung platform together in
a sub-directory for easy maintenance.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 0 insertions, 251 deletions

diff --git a/drivers/pinctrl/pinctrl-samsung.h b/drivers/pinctrl/pinctrl-samsung.h
deleted file mode 100644
index 2b882320e8e9..000000000000
--- a/drivers/pinctrl/pinctrl-samsung.h
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * pin-controller/pin-mux/pin-config/gpio-driver for Samsung's SoC's.
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- * Copyright (c) 2012 Linaro Ltd
- *		http://www.linaro.org
- *
- * Author: Thomas Abraham <thomas.ab@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef __PINCTRL_SAMSUNG_H
-#define __PINCTRL_SAMSUNG_H
-
-#include <linux/pinctrl/pinctrl.h>
-#include <linux/pinctrl/pinmux.h>
-#include <linux/pinctrl/pinconf.h>
-#include <linux/pinctrl/consumer.h>
-#include <linux/pinctrl/machine.h>
-
-#include <linux/gpio.h>
-
-/* pinmux function number for pin as gpio output line */
-#define FUNC_OUTPUT	0x1
-
-/**
- * enum pincfg_type - possible pin configuration types supported.
- * @PINCFG_TYPE_FUNC: Function configuration.
- * @PINCFG_TYPE_DAT: Pin value configuration.
- * @PINCFG_TYPE_PUD: Pull up/down configuration.
- * @PINCFG_TYPE_DRV: Drive strength configuration.
- * @PINCFG_TYPE_CON_PDN: Pin function in power down mode.
- * @PINCFG_TYPE_PUD_PDN: Pull up/down configuration in power down mode.
- */
-enum pincfg_type {
-	PINCFG_TYPE_FUNC,
-	PINCFG_TYPE_DAT,
-	PINCFG_TYPE_PUD,
-	PINCFG_TYPE_DRV,
-	PINCFG_TYPE_CON_PDN,
-	PINCFG_TYPE_PUD_PDN,
-
-	PINCFG_TYPE_NUM
-};
-
-/*
- * pin configuration (pull up/down and drive strength) type and its value are
- * packed together into a 16-bits. The upper 8-bits represent the configuration
- * type and the lower 8-bits hold the value of the configuration type.
- */
-#define PINCFG_TYPE_MASK		0xFF
-#define PINCFG_VALUE_SHIFT		8
-#define PINCFG_VALUE_MASK		(0xFF << PINCFG_VALUE_SHIFT)
-#define PINCFG_PACK(type, value)	(((value) << PINCFG_VALUE_SHIFT) | type)
-#define PINCFG_UNPACK_TYPE(cfg)		((cfg) & PINCFG_TYPE_MASK)
-#define PINCFG_UNPACK_VALUE(cfg)	(((cfg) & PINCFG_VALUE_MASK) >> \
-						PINCFG_VALUE_SHIFT)
-/**
- * enum eint_type - possible external interrupt types.
- * @EINT_TYPE_NONE: bank does not support external interrupts
- * @EINT_TYPE_GPIO: bank supportes external gpio interrupts
- * @EINT_TYPE_WKUP: bank supportes external wakeup interrupts
- * @EINT_TYPE_WKUP_MUX: bank supports multiplexed external wakeup interrupts
- *
- * Samsung GPIO controller groups all the available pins into banks. The pins
- * in a pin bank can support external gpio interrupts or external wakeup
- * interrupts or no interrupts at all. From a software perspective, the only
- * difference between external gpio and external wakeup interrupts is that
- * the wakeup interrupts can additionally wakeup the system if it is in
- * suspended state.
- */
-enum eint_type {
-	EINT_TYPE_NONE,
-	EINT_TYPE_GPIO,
-	EINT_TYPE_WKUP,
-	EINT_TYPE_WKUP_MUX,
-};
-
-/* maximum length of a pin in pin descriptor (example: "gpa0-0") */
-#define PIN_NAME_LENGTH	10
-
-#define PIN_GROUP(n, p, f)				\
-	{						\
-		.name		= n,			\
-		.pins		= p,			\
-		.num_pins	= ARRAY_SIZE(p),	\
-		.func		= f			\
-	}
-
-#define PMX_FUNC(n, g)					\
-	{						\
-		.name		= n,			\
-		.groups		= g,			\
-		.num_groups	= ARRAY_SIZE(g),	\
-	}
-
-struct samsung_pinctrl_drv_data;
-
-/**
- * struct samsung_pin_bank_type: pin bank type description
- * @fld_width: widths of configuration bitfields (0 if unavailable)
- * @reg_offset: offsets of configuration registers (don't care of width is 0)
- */
-struct samsung_pin_bank_type {
-	u8 fld_width[PINCFG_TYPE_NUM];
-	u8 reg_offset[PINCFG_TYPE_NUM];
-};
-
-/**
- * struct samsung_pin_bank: represent a controller pin-bank.
- * @type: type of the bank (register offsets and bitfield widths)
- * @pctl_offset: starting offset of the pin-bank registers.
- * @pin_base: starting pin number of the bank.
- * @nr_pins: number of pins included in this bank.
- * @eint_func: function to set in CON register to configure pin as EINT.
- * @eint_type: type of the external interrupt supported by the bank.
- * @eint_mask: bit mask of pins which support EINT function.
- * @name: name to be prefixed for each pin in this pin bank.
- * @of_node: OF node of the bank.
- * @drvdata: link to controller driver data
- * @irq_domain: IRQ domain of the bank.
- * @gpio_chip: GPIO chip of the bank.
- * @grange: linux gpio pin range supported by this bank.
- * @slock: spinlock protecting bank registers
- * @pm_save: saved register values during suspend
- */
-struct samsung_pin_bank {
-	struct samsung_pin_bank_type *type;
-	u32		pctl_offset;
-	u32		pin_base;
-	u8		nr_pins;
-	u8		eint_func;
-	enum eint_type	eint_type;
-	u32		eint_mask;
-	u32		eint_offset;
-	char		*name;
-	void		*soc_priv;
-	struct device_node *of_node;
-	struct samsung_pinctrl_drv_data *drvdata;
-	struct irq_domain *irq_domain;
-	struct gpio_chip gpio_chip;
-	struct pinctrl_gpio_range grange;
-	spinlock_t slock;
-
-	u32 pm_save[PINCFG_TYPE_NUM + 1]; /* +1 to handle double CON registers*/
-};
-
-/**
- * struct samsung_pin_ctrl: represent a pin controller.
- * @pin_banks: list of pin banks included in this controller.
- * @nr_banks: number of pin banks.
- * @base: starting system wide pin number.
- * @nr_pins: number of pins supported by the controller.
- * @eint_gpio_init: platform specific callback to setup the external gpio
- *	interrupts for the controller.
- * @eint_wkup_init: platform specific callback to setup the external wakeup
- *	interrupts for the controller.
- * @label: for debug information.
- */
-struct samsung_pin_ctrl {
-	struct samsung_pin_bank	*pin_banks;
-	u32		nr_banks;
-
-	u32		base;
-	u32		nr_pins;
-
-	int		(*eint_gpio_init)(struct samsung_pinctrl_drv_data *);
-	int		(*eint_wkup_init)(struct samsung_pinctrl_drv_data *);
-	void		(*suspend)(struct samsung_pinctrl_drv_data *);
-	void		(*resume)(struct samsung_pinctrl_drv_data *);
-
-	char		*label;
-};
-
-/**
- * struct samsung_pinctrl_drv_data: wrapper for holding driver data together.
- * @node: global list node
- * @virt_base: register base address of the controller.
- * @dev: device instance representing the controller.
- * @irq: interrpt number used by the controller to notify gpio interrupts.
- * @ctrl: pin controller instance managed by the driver.
- * @pctl: pin controller descriptor registered with the pinctrl subsystem.
- * @pctl_dev: cookie representing pinctrl device instance.
- * @pin_groups: list of pin groups available to the driver.
- * @nr_groups: number of such pin groups.
- * @pmx_functions: list of pin functions available to the driver.
- * @nr_function: number of such pin functions.
- */
-struct samsung_pinctrl_drv_data {
-	struct list_head		node;
-	void __iomem			*virt_base;
-	struct device			*dev;
-	int				irq;
-
-	struct samsung_pin_ctrl		*ctrl;
-	struct pinctrl_desc		pctl;
-	struct pinctrl_dev		*pctl_dev;
-
-	const struct samsung_pin_group	*pin_groups;
-	unsigned int			nr_groups;
-	const struct samsung_pmx_func	*pmx_functions;
-	unsigned int			nr_functions;
-};
-
-/**
- * struct samsung_pin_group: represent group of pins of a pinmux function.
- * @name: name of the pin group, used to lookup the group.
- * @pins: the pins included in this group.
- * @num_pins: number of pins included in this group.
- * @func: the function number to be programmed when selected.
- */
-struct samsung_pin_group {
-	const char		*name;
-	const unsigned int	*pins;
-	u8			num_pins;
-	u8			func;
-};
-
-/**
- * struct samsung_pmx_func: represent a pin function.
- * @name: name of the pin function, used to lookup the function.
- * @groups: one or more names of pin groups that provide this function.
- * @num_groups: number of groups included in @groups.
- */
-struct samsung_pmx_func {
-	const char		*name;
-	const char		**groups;
-	u8			num_groups;
-	u32			val;
-};
-
-/* list of all exported SoC specific data */
-extern struct samsung_pin_ctrl exynos3250_pin_ctrl[];
-extern struct samsung_pin_ctrl exynos4210_pin_ctrl[];
-extern struct samsung_pin_ctrl exynos4x12_pin_ctrl[];
-extern struct samsung_pin_ctrl exynos5250_pin_ctrl[];
-extern struct samsung_pin_ctrl exynos5260_pin_ctrl[];
-extern struct samsung_pin_ctrl exynos5420_pin_ctrl[];
-extern struct samsung_pin_ctrl s3c64xx_pin_ctrl[];
-extern struct samsung_pin_ctrl s3c2412_pin_ctrl[];
-extern struct samsung_pin_ctrl s3c2416_pin_ctrl[];
-extern struct samsung_pin_ctrl s3c2440_pin_ctrl[];
-extern struct samsung_pin_ctrl s3c2450_pin_ctrl[];
-extern struct samsung_pin_ctrl s5pv210_pin_ctrl[];
-
-#endif /* __PINCTRL_SAMSUNG_H */