4  * SPDX-License-Identifier: Apache-2.0
43 	const struct neorv32_gpio_config *config = dev->config;  in neorv32_gpio_read()
45 	return sys_read32(config->input);  in neorv32_gpio_read()
50 	const struct neorv32_gpio_config *config = dev->config;  in neorv32_gpio_write()
52 	sys_write32(val, config->output);  in neorv32_gpio_write()
55 static int neorv32_gpio_pin_configure(const struct device *dev, gpio_pin_t pin,  in neorv32_gpio_pin_configure()
58 	const struct neorv32_gpio_config *config = dev->config;  in neorv32_gpio_pin_configure()
59 	struct neorv32_gpio_data *data = dev->data;  in neorv32_gpio_pin_configure()
60 	unsigned int key;  in neorv32_gpio_pin_configure()  local
62 	if (!(BIT(pin) & config->common.port_pin_mask)) {  in neorv32_gpio_pin_configure()
63 		return -EINVAL;  in neorv32_gpio_pin_configure()
67 		return -ENOTSUP;  in neorv32_gpio_pin_configure()
71 		return -ENOTSUP;  in neorv32_gpio_pin_configure()
75 		key = irq_lock();  in neorv32_gpio_pin_configure()
78 			data->output |= BIT(pin);  in neorv32_gpio_pin_configure()
80 			data->output &= ~BIT(pin);  in neorv32_gpio_pin_configure()
83 		neorv32_gpio_write(dev, data->output);  in neorv32_gpio_pin_configure()
84 		irq_unlock(key);  in neorv32_gpio_pin_configure()
90 static int neorv32_gpio_port_get_raw(const struct device *dev,  in neorv32_gpio_port_get_raw()
97 static int neorv32_gpio_port_set_masked_raw(const struct device *dev,  in neorv32_gpio_port_set_masked_raw()
101 	struct neorv32_gpio_data *data = dev->data;  in neorv32_gpio_port_set_masked_raw()
102 	unsigned int key;  in neorv32_gpio_port_set_masked_raw()  local
104 	key = irq_lock();  in neorv32_gpio_port_set_masked_raw()
105 	data->output = (data->output & ~mask) | (mask & value);  in neorv32_gpio_port_set_masked_raw()
106 	neorv32_gpio_write(dev, data->output);  in neorv32_gpio_port_set_masked_raw()
107 	irq_unlock(key);  in neorv32_gpio_port_set_masked_raw()
112 static int neorv32_gpio_port_set_bits_raw(const struct device *dev,  in neorv32_gpio_port_set_bits_raw()
115 	struct neorv32_gpio_data *data = dev->data;  in neorv32_gpio_port_set_bits_raw()
116 	unsigned int key;  in neorv32_gpio_port_set_bits_raw()  local
118 	key = irq_lock();  in neorv32_gpio_port_set_bits_raw()
119 	data->output |= pins;  in neorv32_gpio_port_set_bits_raw()
120 	neorv32_gpio_write(dev, data->output);  in neorv32_gpio_port_set_bits_raw()
121 	irq_unlock(key);  in neorv32_gpio_port_set_bits_raw()
126 static int neorv32_gpio_port_clear_bits_raw(const struct device *dev,  in neorv32_gpio_port_clear_bits_raw()
129 	struct neorv32_gpio_data *data = dev->data;  in neorv32_gpio_port_clear_bits_raw()
130 	unsigned int key;  in neorv32_gpio_port_clear_bits_raw()  local
132 	key = irq_lock();  in neorv32_gpio_port_clear_bits_raw()
133 	data->output &= ~pins;  in neorv32_gpio_port_clear_bits_raw()
134 	neorv32_gpio_write(dev, data->output);  in neorv32_gpio_port_clear_bits_raw()
135 	irq_unlock(key);  in neorv32_gpio_port_clear_bits_raw()
140 static int neorv32_gpio_port_toggle_bits(const struct device *dev,  in neorv32_gpio_port_toggle_bits()
143 	struct neorv32_gpio_data *data = dev->data;  in neorv32_gpio_port_toggle_bits()
144 	unsigned int key;  in neorv32_gpio_port_toggle_bits()  local
146 	key = irq_lock();  in neorv32_gpio_port_toggle_bits()
147 	data->output ^= pins;  in neorv32_gpio_port_toggle_bits()
148 	neorv32_gpio_write(dev, data->output);  in neorv32_gpio_port_toggle_bits()
149 	irq_unlock(key);  in neorv32_gpio_port_toggle_bits()
154 static int neorv32_gpio_manage_callback(const struct device *dev,  in neorv32_gpio_manage_callback()
162 	return -ENOTSUP;  in neorv32_gpio_manage_callback()
170 static int neorv32_gpio_init(const struct device *dev)  in neorv32_gpio_init()
172 	const struct neorv32_gpio_config *config = dev->config;  in neorv32_gpio_init()
173 	struct neorv32_gpio_data *data = dev->data;  in neorv32_gpio_init()
175 	int err;  in neorv32_gpio_init()
177 	if (!device_is_ready(config->syscon)) {  in neorv32_gpio_init()
179 		return -EINVAL;  in neorv32_gpio_init()
182 	err = syscon_read_reg(config->syscon, NEORV32_SYSINFO_FEATURES, &features);  in neorv32_gpio_init()
185 		return -EIO;  in neorv32_gpio_init()
190 		return -ENODEV;  in neorv32_gpio_init()
193 	neorv32_gpio_write(dev, data->output);  in neorv32_gpio_init()