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authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>2012-10-25 01:38:58 +0400
committerLinus Walleij <linus.walleij@linaro.org>2012-11-11 22:05:57 +0400
commit06763c741b0a19160482c9b34e5bbc3e50dba79a (patch)
treeddb63e13898f4dc1957b2250517f97e0a4030d08 /drivers/pinctrl/pinctrl-mvebu.h
parentde1d76258f438414633cb92cb1a195ba3835972c (diff)
downloadlinux-06763c741b0a19160482c9b34e5bbc3e50dba79a.tar.xz
pinctrl: mvebu: move to its own directory
Like the spear platform, the mvebu platform has multiple files: one core file, and then one file per SoC family. More files will be added later, as support for mach-orion5x and mach-mv78xx0 SoCs is added to pinctrl-mvebu. For those reasons, having a separate subdirectory, drivers/pinctrl/mvebu/ makes sense, and it had already been suggested by Linus Wallej when the driver was originally submitted. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-mvebu.h')
-rw-r--r--drivers/pinctrl/pinctrl-mvebu.h192
1 files changed, 0 insertions, 192 deletions
diff --git a/drivers/pinctrl/pinctrl-mvebu.h b/drivers/pinctrl/pinctrl-mvebu.h
deleted file mode 100644
index 90bd3beee860..000000000000
--- a/drivers/pinctrl/pinctrl-mvebu.h
+++ /dev/null
@@ -1,192 +0,0 @@
-/*
- * Marvell MVEBU pinctrl driver
- *
- * Authors: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
- * Thomas Petazzoni <thomas.petazzoni@free-electrons.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_MVEBU_H__
-#define __PINCTRL_MVEBU_H__
-
-/**
- * struct mvebu_mpp_ctrl - describe a mpp control
- * @name: name of the control group
- * @pid: first pin id handled by this control
- * @npins: number of pins controlled by this control
- * @mpp_get: (optional) special function to get mpp setting
- * @mpp_set: (optional) special function to set mpp setting
- * @mpp_gpio_req: (optional) special function to request gpio
- * @mpp_gpio_dir: (optional) special function to set gpio direction
- *
- * A mpp_ctrl describes a muxable unit, e.g. pin, group of pins, or
- * internal function, inside the SoC. Each muxable unit can be switched
- * between two or more different settings, e.g. assign mpp pin 13 to
- * uart1 or sata.
- *
- * If optional mpp_get/_set functions are set these are used to get/set
- * a specific mode. Otherwise it is assumed that the mpp control is based
- * on 4-bit groups in subsequent registers. The optional mpp_gpio_req/_dir
- * functions can be used to allow pin settings with varying gpio pins.
- */
-struct mvebu_mpp_ctrl {
- const char *name;
- u8 pid;
- u8 npins;
- unsigned *pins;
- int (*mpp_get)(struct mvebu_mpp_ctrl *ctrl, unsigned long *config);
- int (*mpp_set)(struct mvebu_mpp_ctrl *ctrl, unsigned long config);
- int (*mpp_gpio_req)(struct mvebu_mpp_ctrl *ctrl, u8 pid);
- int (*mpp_gpio_dir)(struct mvebu_mpp_ctrl *ctrl, u8 pid, bool input);
-};
-
-/**
- * struct mvebu_mpp_ctrl_setting - describe a mpp ctrl setting
- * @val: ctrl setting value
- * @name: ctrl setting name, e.g. uart2, spi0 - unique per mpp_mode
- * @subname: (optional) additional ctrl setting name, e.g. rts, cts
- * @variant: (optional) variant identifier mask
- * @flags: (private) flags to store gpi/gpo/gpio capabilities
- *
- * A ctrl_setting describes a specific internal mux function that a mpp pin
- * can be switched to. The value (val) will be written in the corresponding
- * register for common mpp pin configuration registers on MVEBU. SoC specific
- * mpp_get/_set function may use val to distinguish between different settings.
- *
- * The name will be used to switch to this setting in DT description, e.g.
- * marvell,function = "uart2". subname is only for debugging purposes.
- *
- * If name is one of "gpi", "gpo", "gpio" gpio capabilities are
- * parsed during initialization and stored in flags.
- *
- * The variant can be used to combine different revisions of one SoC to a
- * common pinctrl driver. It is matched (AND) with variant of soc_info to
- * determine if a setting is available on the current SoC revision.
- */
-struct mvebu_mpp_ctrl_setting {
- u8 val;
- const char *name;
- const char *subname;
- u8 variant;
- u8 flags;
-#define MVEBU_SETTING_GPO (1 << 0)
-#define MVEBU_SETTING_GPI (1 << 1)
-};
-
-/**
- * struct mvebu_mpp_mode - link ctrl and settings
- * @pid: first pin id handled by this mode
- * @settings: list of settings available for this mode
- *
- * A mode connects all available settings with the corresponding mpp_ctrl
- * given by pid.
- */
-struct mvebu_mpp_mode {
- u8 pid;
- struct mvebu_mpp_ctrl_setting *settings;
-};
-
-/**
- * struct mvebu_pinctrl_soc_info - SoC specific info passed to pinctrl-mvebu
- * @variant: variant mask of soc_info
- * @controls: list of available mvebu_mpp_ctrls
- * @ncontrols: number of available mvebu_mpp_ctrls
- * @modes: list of available mvebu_mpp_modes
- * @nmodes: number of available mvebu_mpp_modes
- * @gpioranges: list of pinctrl_gpio_ranges
- * @ngpioranges: number of available pinctrl_gpio_ranges
- *
- * This struct describes all pinctrl related information for a specific SoC.
- * If variant is unequal 0 it will be matched (AND) with variant of each
- * setting and allows to distinguish between different revisions of one SoC.
- */
-struct mvebu_pinctrl_soc_info {
- u8 variant;
- struct mvebu_mpp_ctrl *controls;
- int ncontrols;
- struct mvebu_mpp_mode *modes;
- int nmodes;
- struct pinctrl_gpio_range *gpioranges;
- int ngpioranges;
-};
-
-#define MPP_REG_CTRL(_idl, _idh) \
- { \
- .name = NULL, \
- .pid = _idl, \
- .npins = _idh - _idl + 1, \
- .pins = (unsigned[_idh - _idl + 1]) { }, \
- .mpp_get = NULL, \
- .mpp_set = NULL, \
- .mpp_gpio_req = NULL, \
- .mpp_gpio_dir = NULL, \
- }
-
-#define MPP_FUNC_CTRL(_idl, _idh, _name, _func) \
- { \
- .name = _name, \
- .pid = _idl, \
- .npins = _idh - _idl + 1, \
- .pins = (unsigned[_idh - _idl + 1]) { }, \
- .mpp_get = _func ## _get, \
- .mpp_set = _func ## _set, \
- .mpp_gpio_req = NULL, \
- .mpp_gpio_dir = NULL, \
- }
-
-#define MPP_FUNC_GPIO_CTRL(_idl, _idh, _name, _func) \
- { \
- .name = _name, \
- .pid = _idl, \
- .npins = _idh - _idl + 1, \
- .pins = (unsigned[_idh - _idl + 1]) { }, \
- .mpp_get = _func ## _get, \
- .mpp_set = _func ## _set, \
- .mpp_gpio_req = _func ## _gpio_req, \
- .mpp_gpio_dir = _func ## _gpio_dir, \
- }
-
-#define _MPP_VAR_FUNCTION(_val, _name, _subname, _mask) \
- { \
- .val = _val, \
- .name = _name, \
- .subname = _subname, \
- .variant = _mask, \
- .flags = 0, \
- }
-
-#if defined(CONFIG_DEBUG_FS)
-#define MPP_VAR_FUNCTION(_val, _name, _subname, _mask) \
- _MPP_VAR_FUNCTION(_val, _name, _subname, _mask)
-#else
-#define MPP_VAR_FUNCTION(_val, _name, _subname, _mask) \
- _MPP_VAR_FUNCTION(_val, _name, NULL, _mask)
-#endif
-
-#define MPP_FUNCTION(_val, _name, _subname) \
- MPP_VAR_FUNCTION(_val, _name, _subname, (u8)-1)
-
-#define MPP_MODE(_id, ...) \
- { \
- .pid = _id, \
- .settings = (struct mvebu_mpp_ctrl_setting[]){ \
- __VA_ARGS__, { } }, \
- }
-
-#define MPP_GPIO_RANGE(_id, _pinbase, _gpiobase, _npins) \
- { \
- .name = "mvebu-gpio", \
- .id = _id, \
- .pin_base = _pinbase, \
- .base = _gpiobase, \
- .npins = _npins, \
- }
-
-int mvebu_pinctrl_probe(struct platform_device *pdev);
-int mvebu_pinctrl_remove(struct platform_device *pdev);
-
-#endif
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