86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2016 IBM Corp.
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*/
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#ifndef PINCTRL_ASPEED
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#define PINCTRL_ASPEED
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#include <linux/pinctrl/pinctrl.h>
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#include <linux/pinctrl/pinmux.h>
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#include <linux/pinctrl/pinconf.h>
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#include <linux/pinctrl/pinconf-generic.h>
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#include <linux/regmap.h>
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#include "pinmux-aspeed.h"
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/**
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* @param The pinconf parameter type
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* @pins The pin range this config struct covers, [low, high]
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* @reg The register housing the configuration bits
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* @mask The mask to select the bits of interest in @reg
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*/
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struct aspeed_pin_config {
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enum pin_config_param param;
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unsigned int pins[2];
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unsigned int reg;
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u8 bit;
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u8 value;
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};
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#define ASPEED_PINCTRL_PIN(name_) \
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[name_] = { \
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.number = name_, \
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.name = #name_, \
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.drv_data = (void *) &(PIN_SYM(name_)) \
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}
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struct aspeed_pinctrl_data {
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struct regmap *scu;
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const struct pinctrl_pin_desc *pins;
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const unsigned int npins;
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const struct aspeed_pin_config *configs;
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const unsigned int nconfigs;
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struct aspeed_pinmux_data pinmux;
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};
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/* Aspeed pinctrl helpers */
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int aspeed_pinctrl_get_groups_count(struct pinctrl_dev *pctldev);
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const char *aspeed_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
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unsigned int group);
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int aspeed_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
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unsigned int group, const unsigned int **pins,
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unsigned int *npins);
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void aspeed_pinctrl_pin_dbg_show(struct pinctrl_dev *pctldev,
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struct seq_file *s, unsigned int offset);
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int aspeed_pinmux_get_fn_count(struct pinctrl_dev *pctldev);
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const char *aspeed_pinmux_get_fn_name(struct pinctrl_dev *pctldev,
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unsigned int function);
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int aspeed_pinmux_get_fn_groups(struct pinctrl_dev *pctldev,
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unsigned int function, const char * const **groups,
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unsigned int * const num_groups);
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int aspeed_pinmux_set_mux(struct pinctrl_dev *pctldev, unsigned int function,
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unsigned int group);
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int aspeed_gpio_request_enable(struct pinctrl_dev *pctldev,
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struct pinctrl_gpio_range *range,
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unsigned int offset);
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int aspeed_pinctrl_probe(struct platform_device *pdev,
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struct pinctrl_desc *pdesc,
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struct aspeed_pinctrl_data *pdata);
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int aspeed_pin_config_get(struct pinctrl_dev *pctldev, unsigned int offset,
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unsigned long *config);
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int aspeed_pin_config_set(struct pinctrl_dev *pctldev, unsigned int offset,
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unsigned long *configs, unsigned int num_configs);
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int aspeed_pin_config_group_get(struct pinctrl_dev *pctldev,
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unsigned int selector,
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unsigned long *config);
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int aspeed_pin_config_group_set(struct pinctrl_dev *pctldev,
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unsigned int selector,
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unsigned long *configs,
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unsigned int num_configs);
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#endif /* PINCTRL_ASPEED */
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