// SPDX-License-Identifier: GPL-2.0-only /* * Pistachio SoC pinctrl driver * * Copyright (C) 2014 Imagination Technologies Ltd. * Copyright (C) 2014 Google, Inc. */ #include <linux/gpio/driver.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/irq.h> #include <linux/mod_devicetable.h> #include <linux/pinctrl/pinconf.h> #include <linux/pinctrl/pinconf-generic.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> #include <linux/platform_device.h> #include <linux/property.h> #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/spinlock.h> #include "pinctrl-utils.h" #define PADS_SCHMITT_EN0 … #define PADS_SCHMITT_EN_REG(pin) … #define PADS_SCHMITT_EN_BIT(pin) … #define PADS_PU_PD0 … #define PADS_PU_PD_REG(pin) … #define PADS_PU_PD_SHIFT(pin) … #define PADS_PU_PD_MASK … #define PADS_PU_PD_HIGHZ … #define PADS_PU_PD_UP … #define PADS_PU_PD_DOWN … #define PADS_PU_PD_BUS … #define PADS_FUNCTION_SELECT0 … #define PADS_FUNCTION_SELECT1 … #define PADS_FUNCTION_SELECT2 … #define PADS_SCENARIO_SELECT … #define PADS_SLEW_RATE0 … #define PADS_SLEW_RATE_REG(pin) … #define PADS_SLEW_RATE_BIT(pin) … #define PADS_DRIVE_STRENGTH0 … #define PADS_DRIVE_STRENGTH_REG(pin) … #define PADS_DRIVE_STRENGTH_SHIFT(pin) … #define PADS_DRIVE_STRENGTH_MASK … #define PADS_DRIVE_STRENGTH_2MA … #define PADS_DRIVE_STRENGTH_4MA … #define PADS_DRIVE_STRENGTH_8MA … #define PADS_DRIVE_STRENGTH_12MA … #define GPIO_BANK_BASE(bank) … #define GPIO_BIT_EN … #define GPIO_OUTPUT_EN … #define GPIO_OUTPUT … #define GPIO_INPUT … #define GPIO_INPUT_POLARITY … #define GPIO_INTERRUPT_TYPE … #define GPIO_INTERRUPT_TYPE_LEVEL … #define GPIO_INTERRUPT_TYPE_EDGE … #define GPIO_INTERRUPT_EDGE … #define GPIO_INTERRUPT_EDGE_SINGLE … #define GPIO_INTERRUPT_EDGE_DUAL … #define GPIO_INTERRUPT_EN … #define GPIO_INTERRUPT_STATUS … struct pistachio_function { … }; struct pistachio_pin_group { … }; struct pistachio_gpio_bank { … }; struct pistachio_pinctrl { … }; #define PISTACHIO_PIN_MFIO(p) … #define PISTACHIO_PIN_TCK … #define PISTACHIO_PIN_TRSTN … #define PISTACHIO_PIN_TDI … #define PISTACHIO_PIN_TMS … #define PISTACHIO_PIN_TDO … #define PISTACHIO_PIN_JTAG_COMPLY … #define PISTACHIO_PIN_SAFE_MODE … #define PISTACHIO_PIN_POR_DISABLE … #define PISTACHIO_PIN_RESETN … #define MFIO_PIN_DESC(p) … static const struct pinctrl_pin_desc pistachio_pins[] = …; static const char * const pistachio_spim0_groups[] = …; static const char * const pistachio_spim1_groups[] = …; static const char * const pistachio_spis_groups[] = …; static const char *const pistachio_sdhost_groups[] = …; static const char * const pistachio_i2c0_groups[] = …; static const char * const pistachio_i2c1_groups[] = …; static const char * const pistachio_i2c2_groups[] = …; static const char * const pistachio_i2c3_groups[] = …; static const char * const pistachio_audio_clk_in_groups[] = …; static const char * const pistachio_i2s_out_groups[] = …; static const char * const pistachio_debug_raw_cca_ind_groups[] = …; static const char * const pistachio_debug_ed_sec20_cca_ind_groups[] = …; static const char * const pistachio_debug_ed_sec40_cca_ind_groups[] = …; static const char * const pistachio_debug_agc_done_0_groups[] = …; static const char * const pistachio_debug_agc_done_1_groups[] = …; static const char * const pistachio_debug_ed_cca_ind_groups[] = …; static const char * const pistachio_debug_s2l_done_groups[] = …; static const char * const pistachio_i2s_dac_clk_groups[] = …; static const char * const pistachio_audio_sync_groups[] = …; static const char * const pistachio_audio_trigger_groups[] = …; static const char * const pistachio_i2s_in_groups[] = …; static const char * const pistachio_uart0_groups[] = …; static const char * const pistachio_uart1_groups[] = …; static const char * const pistachio_spdif_out_groups[] = …; static const char * const pistachio_spdif_in_groups[] = …; static const int pistachio_spdif_in_scenarios[] = …; static const char * const pistachio_eth_groups[] = …; static const char * const pistachio_ir_groups[] = …; static const char * const pistachio_pwmpdm_groups[] = …; static const char * const pistachio_mips_trace_clk_groups[] = …; static const char * const pistachio_mips_trace_dint_groups[] = …; static const int pistachio_mips_trace_dint_scenarios[] = …; static const char * const pistachio_mips_trace_trigout_groups[] = …; static const char * const pistachio_mips_trace_trigin_groups[] = …; static const int pistachio_mips_trace_trigin_scenarios[] = …; static const char * const pistachio_mips_trace_dm_groups[] = …; static const char * const pistachio_mips_probe_n_groups[] = …; static const int pistachio_mips_probe_n_scenarios[] = …; static const char * const pistachio_mips_trace_data_groups[] = …; static const char * const pistachio_sram_debug_groups[] = …; static const char * const pistachio_rom_debug_groups[] = …; static const char * const pistachio_rpu_debug_groups[] = …; static const char * const pistachio_mips_debug_groups[] = …; static const char * const pistachio_eth_debug_groups[] = …; static const char * const pistachio_usb_debug_groups[] = …; static const char * const pistachio_sdhost_debug_groups[] = …; static const char * const pistachio_socif_debug_groups[] = …; static const char * const pistachio_mdc_debug_groups[] = …; static const char * const pistachio_ddr_debug_groups[] = …; static const char * const pistachio_dreq0_groups[] = …; static const char * const pistachio_dreq1_groups[] = …; static const char * const pistachio_dreq2_groups[] = …; static const char * const pistachio_dreq3_groups[] = …; static const char * const pistachio_dreq4_groups[] = …; static const char * const pistachio_dreq5_groups[] = …; static const char * const pistachio_mips_pll_lock_groups[] = …; static const char * const pistachio_audio_pll_lock_groups[] = …; static const char * const pistachio_rpu_v_pll_lock_groups[] = …; static const char * const pistachio_rpu_l_pll_lock_groups[] = …; static const char * const pistachio_sys_pll_lock_groups[] = …; static const char * const pistachio_wifi_pll_lock_groups[] = …; static const char * const pistachio_bt_pll_lock_groups[] = …; #define FUNCTION(_name) … #define FUNCTION_SCENARIO(_name, _reg, _shift, _mask) … enum pistachio_mux_option { … }; static const struct pistachio_function pistachio_functions[] = …; #define PIN_GROUP(_pin, _name) … #define MFIO_PIN_GROUP(_pin, _func) … #define MFIO_MUX_PIN_GROUP(_pin, _f0, _f1, _f2, _reg, _shift, _mask) … static const struct pistachio_pin_group pistachio_groups[] = …; static inline u32 pctl_readl(struct pistachio_pinctrl *pctl, u32 reg) { … } static inline void pctl_writel(struct pistachio_pinctrl *pctl, u32 val, u32 reg) { … } static inline struct pistachio_gpio_bank *irqd_to_bank(struct irq_data *d) { … } static inline u32 gpio_readl(struct pistachio_gpio_bank *bank, u32 reg) { … } static inline void gpio_writel(struct pistachio_gpio_bank *bank, u32 val, u32 reg) { … } static inline void gpio_mask_writel(struct pistachio_gpio_bank *bank, u32 reg, unsigned int bit, u32 val) { … } static inline void gpio_enable(struct pistachio_gpio_bank *bank, unsigned offset) { … } static inline void gpio_disable(struct pistachio_gpio_bank *bank, unsigned offset) { … } static int pistachio_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) { … } static const char *pistachio_pinctrl_get_group_name(struct pinctrl_dev *pctldev, unsigned group) { … } static int pistachio_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, unsigned group, const unsigned **pins, unsigned *num_pins) { … } static const struct pinctrl_ops pistachio_pinctrl_ops = …; static int pistachio_pinmux_get_functions_count(struct pinctrl_dev *pctldev) { … } static const char * pistachio_pinmux_get_function_name(struct pinctrl_dev *pctldev, unsigned func) { … } static int pistachio_pinmux_get_function_groups(struct pinctrl_dev *pctldev, unsigned func, const char * const **groups, unsigned * const num_groups) { … } static int pistachio_pinmux_enable(struct pinctrl_dev *pctldev, unsigned func, unsigned group) { … } static const struct pinmux_ops pistachio_pinmux_ops = …; static int pistachio_pinconf_get(struct pinctrl_dev *pctldev, unsigned pin, unsigned long *config) { … } static int pistachio_pinconf_set(struct pinctrl_dev *pctldev, unsigned pin, unsigned long *configs, unsigned num_configs) { … } static const struct pinconf_ops pistachio_pinconf_ops = …; static struct pinctrl_desc pistachio_pinctrl_desc = …; static int pistachio_gpio_get_direction(struct gpio_chip *chip, unsigned offset) { … } static int pistachio_gpio_get(struct gpio_chip *chip, unsigned offset) { … } static void pistachio_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { … } static int pistachio_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { … } static int pistachio_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { … } static void pistachio_gpio_irq_ack(struct irq_data *data) { … } static void pistachio_gpio_irq_mask(struct irq_data *data) { … } static void pistachio_gpio_irq_unmask(struct irq_data *data) { … } static unsigned int pistachio_gpio_irq_startup(struct irq_data *data) { … } static int pistachio_gpio_irq_set_type(struct irq_data *data, unsigned int type) { … } static void pistachio_gpio_irq_handler(struct irq_desc *desc) { … } #define GPIO_BANK(_bank, _pin_base, _npins) … static struct pistachio_gpio_bank pistachio_gpio_banks[] = …; static void pistachio_gpio_irq_print_chip(struct irq_data *data, struct seq_file *p) { … } static const struct irq_chip pistachio_gpio_irq_chip = …; static int pistachio_gpio_register(struct pistachio_pinctrl *pctl) { … } static const struct of_device_id pistachio_pinctrl_of_match[] = …; static int pistachio_pinctrl_probe(struct platform_device *pdev) { … } static struct platform_driver pistachio_pinctrl_driver = …; static int __init pistachio_pinctrl_register(void) { … } arch_initcall(pistachio_pinctrl_register);
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