// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved. */ #include <linux/gpio/driver.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_irq.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/types.h> #include <linux/pinctrl/pinconf-generic.h> #include <linux/pinctrl/pinconf.h> #include <linux/pinctrl/pinmux.h> #include <dt-bindings/pinctrl/qcom,pmic-mpp.h> #include "../core.h" #include "../pinctrl-utils.h" #define PMIC_MPP_ADDRESS_RANGE … /* * Pull Up Values - it indicates whether a pull-up should be * applied for bidirectional mode only. The hardware ignores the * configuration when operating in other modes. */ #define PMIC_MPP_PULL_UP_0P6KOHM … #define PMIC_MPP_PULL_UP_10KOHM … #define PMIC_MPP_PULL_UP_30KOHM … #define PMIC_MPP_PULL_UP_OPEN … /* type registers base address bases */ #define PMIC_MPP_REG_TYPE … #define PMIC_MPP_REG_SUBTYPE … /* mpp peripheral type and subtype values */ #define PMIC_MPP_TYPE … #define PMIC_MPP_SUBTYPE_4CH_NO_ANA_OUT … #define PMIC_MPP_SUBTYPE_ULT_4CH_NO_ANA_OUT … #define PMIC_MPP_SUBTYPE_4CH_NO_SINK … #define PMIC_MPP_SUBTYPE_ULT_4CH_NO_SINK … #define PMIC_MPP_SUBTYPE_4CH_FULL_FUNC … #define PMIC_MPP_SUBTYPE_8CH_FULL_FUNC … #define PMIC_MPP_REG_RT_STS … #define PMIC_MPP_REG_RT_STS_VAL_MASK … /* control register base address bases */ #define PMIC_MPP_REG_MODE_CTL … #define PMIC_MPP_REG_DIG_VIN_CTL … #define PMIC_MPP_REG_DIG_PULL_CTL … #define PMIC_MPP_REG_DIG_IN_CTL … #define PMIC_MPP_REG_EN_CTL … #define PMIC_MPP_REG_AOUT_CTL … #define PMIC_MPP_REG_AIN_CTL … #define PMIC_MPP_REG_SINK_CTL … /* PMIC_MPP_REG_MODE_CTL */ #define PMIC_MPP_REG_MODE_VALUE_MASK … #define PMIC_MPP_REG_MODE_FUNCTION_SHIFT … #define PMIC_MPP_REG_MODE_FUNCTION_MASK … #define PMIC_MPP_REG_MODE_DIR_SHIFT … #define PMIC_MPP_REG_MODE_DIR_MASK … /* PMIC_MPP_REG_DIG_VIN_CTL */ #define PMIC_MPP_REG_VIN_SHIFT … #define PMIC_MPP_REG_VIN_MASK … /* PMIC_MPP_REG_DIG_PULL_CTL */ #define PMIC_MPP_REG_PULL_SHIFT … #define PMIC_MPP_REG_PULL_MASK … /* PMIC_MPP_REG_EN_CTL */ #define PMIC_MPP_REG_MASTER_EN_SHIFT … /* PMIC_MPP_REG_AIN_CTL */ #define PMIC_MPP_REG_AIN_ROUTE_SHIFT … #define PMIC_MPP_REG_AIN_ROUTE_MASK … #define PMIC_MPP_MODE_DIGITAL_INPUT … #define PMIC_MPP_MODE_DIGITAL_OUTPUT … #define PMIC_MPP_MODE_DIGITAL_BIDIR … #define PMIC_MPP_MODE_ANALOG_BIDIR … #define PMIC_MPP_MODE_ANALOG_INPUT … #define PMIC_MPP_MODE_ANALOG_OUTPUT … #define PMIC_MPP_MODE_CURRENT_SINK … #define PMIC_MPP_SELECTOR_NORMAL … #define PMIC_MPP_SELECTOR_PAIRED … #define PMIC_MPP_SELECTOR_DTEST_FIRST … #define PMIC_MPP_PHYSICAL_OFFSET … /* Qualcomm specific pin configurations */ #define PMIC_MPP_CONF_AMUX_ROUTE … #define PMIC_MPP_CONF_ANALOG_LEVEL … #define PMIC_MPP_CONF_DTEST_SELECTOR … #define PMIC_MPP_CONF_PAIRED … /** * struct pmic_mpp_pad - keep current MPP settings * @base: Address base in SPMI device. * @is_enabled: Set to false when MPP should be put in high Z state. * @out_value: Cached pin output value. * @output_enabled: Set to true if MPP output logic is enabled. * @input_enabled: Set to true if MPP input buffer logic is enabled. * @paired: Pin operates in paired mode * @has_pullup: Pin has support to configure pullup * @num_sources: Number of power-sources supported by this MPP. * @power_source: Current power-source used. * @amux_input: Set the source for analog input. * @aout_level: Analog output level * @pullup: Pullup resistor value. Valid in Bidirectional mode only. * @function: See pmic_mpp_functions[]. * @drive_strength: Amount of current in sink mode * @dtest: DTEST route selector */ struct pmic_mpp_pad { … }; struct pmic_mpp_state { … }; static const struct pinconf_generic_params pmic_mpp_bindings[] = …; #ifdef CONFIG_DEBUG_FS static const struct pin_config_item pmic_conf_items[] = …; #endif static const char *const pmic_mpp_groups[] = …; #define PMIC_MPP_DIGITAL … #define PMIC_MPP_ANALOG … #define PMIC_MPP_SINK … static const char *const pmic_mpp_functions[] = …; static int pmic_mpp_read(struct pmic_mpp_state *state, struct pmic_mpp_pad *pad, unsigned int addr) { … } static int pmic_mpp_write(struct pmic_mpp_state *state, struct pmic_mpp_pad *pad, unsigned int addr, unsigned int val) { … } static int pmic_mpp_get_groups_count(struct pinctrl_dev *pctldev) { … } static const char *pmic_mpp_get_group_name(struct pinctrl_dev *pctldev, unsigned pin) { … } static int pmic_mpp_get_group_pins(struct pinctrl_dev *pctldev, unsigned pin, const unsigned **pins, unsigned *num_pins) { … } static const struct pinctrl_ops pmic_mpp_pinctrl_ops = …; static int pmic_mpp_get_functions_count(struct pinctrl_dev *pctldev) { … } static const char *pmic_mpp_get_function_name(struct pinctrl_dev *pctldev, unsigned function) { … } static int pmic_mpp_get_function_groups(struct pinctrl_dev *pctldev, unsigned function, const char *const **groups, unsigned *const num_qgroups) { … } static int pmic_mpp_write_mode_ctl(struct pmic_mpp_state *state, struct pmic_mpp_pad *pad) { … } static int pmic_mpp_set_mux(struct pinctrl_dev *pctldev, unsigned function, unsigned pin) { … } static const struct pinmux_ops pmic_mpp_pinmux_ops = …; static int pmic_mpp_config_get(struct pinctrl_dev *pctldev, unsigned int pin, unsigned long *config) { … } static int pmic_mpp_config_set(struct pinctrl_dev *pctldev, unsigned int pin, unsigned long *configs, unsigned nconfs) { … } static void pmic_mpp_config_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned pin) { … } static const struct pinconf_ops pmic_mpp_pinconf_ops = …; static int pmic_mpp_direction_input(struct gpio_chip *chip, unsigned pin) { … } static int pmic_mpp_direction_output(struct gpio_chip *chip, unsigned pin, int val) { … } static int pmic_mpp_get(struct gpio_chip *chip, unsigned pin) { … } static void pmic_mpp_set(struct gpio_chip *chip, unsigned pin, int value) { … } static int pmic_mpp_of_xlate(struct gpio_chip *chip, const struct of_phandle_args *gpio_desc, u32 *flags) { … } static void pmic_mpp_dbg_show(struct seq_file *s, struct gpio_chip *chip) { … } static const struct gpio_chip pmic_mpp_gpio_template = …; static int pmic_mpp_populate(struct pmic_mpp_state *state, struct pmic_mpp_pad *pad) { … } static int pmic_mpp_domain_translate(struct irq_domain *domain, struct irq_fwspec *fwspec, unsigned long *hwirq, unsigned int *type) { … } static unsigned int pmic_mpp_child_offset_to_irq(struct gpio_chip *chip, unsigned int offset) { … } static int pmic_mpp_child_to_parent_hwirq(struct gpio_chip *chip, unsigned int child_hwirq, unsigned int child_type, unsigned int *parent_hwirq, unsigned int *parent_type) { … } static void pmic_mpp_irq_mask(struct irq_data *d) { … } static void pmic_mpp_irq_unmask(struct irq_data *d) { … } static const struct irq_chip pmic_mpp_irq_chip = …; static int pmic_mpp_probe(struct platform_device *pdev) { … } static void pmic_mpp_remove(struct platform_device *pdev) { … } static const struct of_device_id pmic_mpp_of_match[] = …; MODULE_DEVICE_TABLE(of, pmic_mpp_of_match); static struct platform_driver pmic_mpp_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_ALIAS(…) …; MODULE_LICENSE(…) …;
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