78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
#ifndef PINCTRL_PINCTRL_NOMADIK_H
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#define PINCTRL_PINCTRL_NOMADIK_H
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#include <plat/gpio-nomadik.h>
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/* Package definitions */
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#define PINCTRL_NMK_STN8815 0
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#define PINCTRL_NMK_DB8500 1
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/**
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* struct nmk_function - Nomadik pinctrl mux function
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* @name: The name of the function, exported to pinctrl core.
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* @groups: An array of pin groups that may select this function.
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* @ngroups: The number of entries in @groups.
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*/
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struct nmk_function {
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const char *name;
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const char * const *groups;
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unsigned ngroups;
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};
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/**
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* struct nmk_pingroup - describes a Nomadik pin group
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* @name: the name of this specific pin group
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* @pins: an array of discrete physical pins used in this group, taken
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* from the driver-local pin enumeration space
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* @num_pins: the number of pins in this group array, i.e. the number of
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* elements in .pins so we can iterate over that array
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* @altsetting: the altsetting to apply to all pins in this group to
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* configure them to be used by a function
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*/
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struct nmk_pingroup {
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const char *name;
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const unsigned int *pins;
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const unsigned npins;
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int altsetting;
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};
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/**
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* struct nmk_pinctrl_soc_data - Nomadik pin controller per-SoC configuration
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* @gpio_ranges: An array of GPIO ranges for this SoC
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* @gpio_num_ranges: The number of GPIO ranges for this SoC
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* @pins: An array describing all pins the pin controller affects.
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* All pins which are also GPIOs must be listed first within the
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* array, and be numbered identically to the GPIO controller's
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* numbering.
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* @npins: The number of entries in @pins.
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* @functions: The functions supported on this SoC.
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* @nfunction: The number of entries in @functions.
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* @groups: An array describing all pin groups the pin SoC supports.
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* @ngroups: The number of entries in @groups.
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*/
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struct nmk_pinctrl_soc_data {
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struct pinctrl_gpio_range *gpio_ranges;
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unsigned gpio_num_ranges;
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const struct pinctrl_pin_desc *pins;
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unsigned npins;
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const struct nmk_function *functions;
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unsigned nfunctions;
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const struct nmk_pingroup *groups;
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unsigned ngroups;
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};
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#ifdef CONFIG_PINCTRL_DB8500
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void nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc);
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#else
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static inline void
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nmk_pinctrl_db8500_init(const struct nmk_pinctrl_soc_data **soc)
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{
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}
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#endif
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#endif /* PINCTRL_PINCTRL_NOMADIK_H */
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