// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2015, Sony Mobile Communications AB. * Copyright (c) 2013, The Linux Foundation. All rights reserved. */ #include <linux/gpio/driver.h> #include <linux/interrupt.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/pinctrl/pinconf-generic.h> #include <linux/pinctrl/pinconf.h> #include <linux/pinctrl/pinctrl.h> #include <linux/pinctrl/pinmux.h> #include <dt-bindings/pinctrl/qcom,pmic-mpp.h> #include "../core.h" #include "../pinctrl-utils.h" /* MPP registers */ #define SSBI_REG_ADDR_MPP_BASE … #define SSBI_REG_ADDR_MPP(n) … /* MPP Type: type */ #define PM8XXX_MPP_TYPE_D_INPUT … #define PM8XXX_MPP_TYPE_D_OUTPUT … #define PM8XXX_MPP_TYPE_D_BI_DIR … #define PM8XXX_MPP_TYPE_A_INPUT … #define PM8XXX_MPP_TYPE_A_OUTPUT … #define PM8XXX_MPP_TYPE_SINK … #define PM8XXX_MPP_TYPE_DTEST_SINK … #define PM8XXX_MPP_TYPE_DTEST_OUTPUT … /* Digital Input: control */ #define PM8XXX_MPP_DIN_TO_INT … #define PM8XXX_MPP_DIN_TO_DBUS1 … #define PM8XXX_MPP_DIN_TO_DBUS2 … #define PM8XXX_MPP_DIN_TO_DBUS3 … /* Digital Output: control */ #define PM8XXX_MPP_DOUT_CTRL_LOW … #define PM8XXX_MPP_DOUT_CTRL_HIGH … #define PM8XXX_MPP_DOUT_CTRL_MPP … #define PM8XXX_MPP_DOUT_CTRL_INV_MPP … /* Bidirectional: control */ #define PM8XXX_MPP_BI_PULLUP_1KOHM … #define PM8XXX_MPP_BI_PULLUP_OPEN … #define PM8XXX_MPP_BI_PULLUP_10KOHM … #define PM8XXX_MPP_BI_PULLUP_30KOHM … /* Analog Output: control */ #define PM8XXX_MPP_AOUT_CTRL_DISABLE … #define PM8XXX_MPP_AOUT_CTRL_ENABLE … #define PM8XXX_MPP_AOUT_CTRL_MPP_HIGH_EN … #define PM8XXX_MPP_AOUT_CTRL_MPP_LOW_EN … /* Current Sink: control */ #define PM8XXX_MPP_CS_CTRL_DISABLE … #define PM8XXX_MPP_CS_CTRL_ENABLE … #define PM8XXX_MPP_CS_CTRL_MPP_HIGH_EN … #define PM8XXX_MPP_CS_CTRL_MPP_LOW_EN … /* DTEST Current Sink: control */ #define PM8XXX_MPP_DTEST_CS_CTRL_EN1 … #define PM8XXX_MPP_DTEST_CS_CTRL_EN2 … #define PM8XXX_MPP_DTEST_CS_CTRL_EN3 … #define PM8XXX_MPP_DTEST_CS_CTRL_EN4 … /* DTEST Digital Output: control */ #define PM8XXX_MPP_DTEST_DBUS1 … #define PM8XXX_MPP_DTEST_DBUS2 … #define PM8XXX_MPP_DTEST_DBUS3 … #define PM8XXX_MPP_DTEST_DBUS4 … /* custom pinconf parameters */ #define PM8XXX_CONFIG_AMUX … #define PM8XXX_CONFIG_DTEST_SELECTOR … #define PM8XXX_CONFIG_ALEVEL … #define PM8XXX_CONFIG_PAIRED … /** * struct pm8xxx_pin_data - dynamic configuration for a pin * @reg: address of the control register * @mode: operating mode for the pin (digital, analog or current sink) * @input: pin is input * @output: pin is output * @high_z: pin is floating * @paired: mpp operates in paired mode * @output_value: logical output value of the mpp * @power_source: selected power source * @dtest: DTEST route selector * @amux: input muxing in analog mode * @aout_level: selector of the output in analog mode * @drive_strength: drive strength of the current sink * @pullup: pull up value, when in digital bidirectional mode */ struct pm8xxx_pin_data { … }; struct pm8xxx_mpp { … }; static const struct pinconf_generic_params pm8xxx_mpp_bindings[] = …; #ifdef CONFIG_DEBUG_FS static const struct pin_config_item pm8xxx_conf_items[] = …; #endif #define PM8XXX_MAX_MPPS … #define PM8XXX_MPP_PHYSICAL_OFFSET … static const char * const pm8xxx_groups[PM8XXX_MAX_MPPS] = …; #define PM8XXX_MPP_DIGITAL … #define PM8XXX_MPP_ANALOG … #define PM8XXX_MPP_SINK … static const char * const pm8xxx_mpp_functions[] = …; static int pm8xxx_mpp_update(struct pm8xxx_mpp *pctrl, struct pm8xxx_pin_data *pin) { … } static int pm8xxx_get_groups_count(struct pinctrl_dev *pctldev) { … } static const char *pm8xxx_get_group_name(struct pinctrl_dev *pctldev, unsigned group) { … } static int pm8xxx_get_group_pins(struct pinctrl_dev *pctldev, unsigned group, const unsigned **pins, unsigned *num_pins) { … } static const struct pinctrl_ops pm8xxx_pinctrl_ops = …; static int pm8xxx_get_functions_count(struct pinctrl_dev *pctldev) { … } static const char *pm8xxx_get_function_name(struct pinctrl_dev *pctldev, unsigned function) { … } static int pm8xxx_get_function_groups(struct pinctrl_dev *pctldev, unsigned function, const char * const **groups, unsigned * const num_groups) { … } static int pm8xxx_pinmux_set_mux(struct pinctrl_dev *pctldev, unsigned function, unsigned group) { … } static const struct pinmux_ops pm8xxx_pinmux_ops = …; static int pm8xxx_pin_config_get(struct pinctrl_dev *pctldev, unsigned int offset, unsigned long *config) { … } static int pm8xxx_pin_config_set(struct pinctrl_dev *pctldev, unsigned int offset, unsigned long *configs, unsigned num_configs) { … } static const struct pinconf_ops pm8xxx_pinconf_ops = …; static const struct pinctrl_desc pm8xxx_pinctrl_desc = …; static int pm8xxx_mpp_direction_input(struct gpio_chip *chip, unsigned offset) { … } static int pm8xxx_mpp_direction_output(struct gpio_chip *chip, unsigned offset, int value) { … } static int pm8xxx_mpp_get(struct gpio_chip *chip, unsigned offset) { … } static void pm8xxx_mpp_set(struct gpio_chip *chip, unsigned offset, int value) { … } static int pm8xxx_mpp_of_xlate(struct gpio_chip *chip, const struct of_phandle_args *gpio_desc, u32 *flags) { … } #ifdef CONFIG_DEBUG_FS static void pm8xxx_mpp_dbg_show_one(struct seq_file *s, struct pinctrl_dev *pctldev, struct gpio_chip *chip, unsigned offset, unsigned gpio) { … } static void pm8xxx_mpp_dbg_show(struct seq_file *s, struct gpio_chip *chip) { … } #else #define pm8xxx_mpp_dbg_show … #endif static const struct gpio_chip pm8xxx_mpp_template = …; static int pm8xxx_pin_populate(struct pm8xxx_mpp *pctrl, struct pm8xxx_pin_data *pin) { … } static int pm8xxx_mpp_domain_translate(struct irq_domain *domain, struct irq_fwspec *fwspec, unsigned long *hwirq, unsigned int *type) { … } static unsigned int pm8xxx_mpp_child_offset_to_irq(struct gpio_chip *chip, unsigned int offset) { … } static int pm8821_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 int pm8xxx_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 pm8xxx_mpp_irq_disable(struct irq_data *d) { … } static void pm8xxx_mpp_irq_enable(struct irq_data *d) { … } static const struct irq_chip pm8xxx_mpp_irq_chip = …; static const struct of_device_id pm8xxx_mpp_of_match[] = …; MODULE_DEVICE_TABLE(of, pm8xxx_mpp_of_match); static int pm8xxx_mpp_probe(struct platform_device *pdev) { … } static void pm8xxx_mpp_remove(struct platform_device *pdev) { … } static struct platform_driver pm8xxx_mpp_driver = …; module_platform_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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