| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Pinctrl / GPIO driver for StarFive JH7110 SoC |
| * |
| * Copyright (C) 2022 StarFive Technology Co., Ltd. |
| */ |
| |
| #ifndef __PINCTRL_STARFIVE_JH7110_H__ |
| #define __PINCTRL_STARFIVE_JH7110_H__ |
| |
| #include <linux/pinctrl/pinconf-generic.h> |
| #include <linux/pinctrl/pinmux.h> |
| |
| struct jh7110_pinctrl { |
| struct device *dev; |
| struct gpio_chip gc; |
| struct pinctrl_gpio_range gpios; |
| raw_spinlock_t lock; |
| void __iomem *base; |
| struct pinctrl_dev *pctl; |
| /* register read/write mutex */ |
| struct mutex mutex; |
| const struct jh7110_pinctrl_soc_info *info; |
| u32 *saved_regs; |
| }; |
| |
| struct jh7110_gpio_irq_reg { |
| unsigned int is_reg_base; |
| unsigned int ic_reg_base; |
| unsigned int ibe_reg_base; |
| unsigned int iev_reg_base; |
| unsigned int ie_reg_base; |
| unsigned int ris_reg_base; |
| unsigned int mis_reg_base; |
| }; |
| |
| struct jh7110_pinctrl_soc_info { |
| const struct pinctrl_pin_desc *pins; |
| unsigned int npins; |
| unsigned int ngpios; |
| unsigned int gc_base; |
| |
| /* gpio dout/doen/din/gpioinput register */ |
| unsigned int dout_reg_base; |
| unsigned int dout_mask; |
| unsigned int doen_reg_base; |
| unsigned int doen_mask; |
| unsigned int gpi_reg_base; |
| unsigned int gpi_mask; |
| unsigned int gpioin_reg_base; |
| |
| const struct jh7110_gpio_irq_reg *irq_reg; |
| |
| unsigned int nsaved_regs; |
| |
| /* generic pinmux */ |
| int (*jh7110_set_one_pin_mux)(struct jh7110_pinctrl *sfp, |
| unsigned int pin, |
| unsigned int din, u32 dout, |
| u32 doen, u32 func); |
| /* gpio chip */ |
| int (*jh7110_get_padcfg_base)(struct jh7110_pinctrl *sfp, |
| unsigned int pin); |
| void (*jh7110_gpio_irq_handler)(struct irq_desc *desc); |
| int (*jh7110_gpio_init_hw)(struct gpio_chip *gc); |
| }; |
| |
| void jh7110_set_gpiomux(struct jh7110_pinctrl *sfp, unsigned int pin, |
| unsigned int din, u32 dout, u32 doen); |
| int jh7110_pinctrl_probe(struct platform_device *pdev); |
| struct jh7110_pinctrl *jh7110_from_irq_desc(struct irq_desc *desc); |
| extern const struct dev_pm_ops jh7110_pinctrl_pm_ops; |
| |
| #endif /* __PINCTRL_STARFIVE_JH7110_H__ */ |
