4  * SPDX-License-Identifier: Apache-2.0
46 	const struct gpio_sn74hc595_config *config = dev->config;  in sn74hc595_spi_write()
52 	const struct spi_buf_set tx = { .buffers = tx_buf, .count = 1 };  in sn74hc595_spi_write()  local
54 	return spi_write_dt(&config->bus, &tx);  in sn74hc595_spi_write()
67 	struct gpio_sn74hc595_drv_data *drv_data = dev->data;  in gpio_sn74hc595_port_get_raw()
69 	k_mutex_lock(&drv_data->lock, K_FOREVER);  in gpio_sn74hc595_port_get_raw()
71 	*value = drv_data->output;  in gpio_sn74hc595_port_get_raw()
73 	k_mutex_unlock(&drv_data->lock);  in gpio_sn74hc595_port_get_raw()
78 static int gpio_sn74hc595_port_set_masked_raw(const struct device *dev, uint32_t mask,  in gpio_sn74hc595_port_set_masked_raw()  argument
81 	struct gpio_sn74hc595_drv_data *drv_data = dev->data;  in gpio_sn74hc595_port_set_masked_raw()
85 	k_mutex_lock(&drv_data->lock, K_FOREVER);  in gpio_sn74hc595_port_set_masked_raw()
89 	if ((drv_data->output & mask) != (mask & value)) {  in gpio_sn74hc595_port_set_masked_raw()
90 		output = (drv_data->output & ~mask) | (mask & value);  in gpio_sn74hc595_port_set_masked_raw()
97 		drv_data->output = output;  in gpio_sn74hc595_port_set_masked_raw()
101 	k_mutex_unlock(&drv_data->lock);  in gpio_sn74hc595_port_set_masked_raw()
105 static int gpio_sn74hc595_port_set_bits_raw(const struct device *dev, uint32_t mask)  in gpio_sn74hc595_port_set_bits_raw()  argument
107 	return gpio_sn74hc595_port_set_masked_raw(dev, mask, mask);  in gpio_sn74hc595_port_set_bits_raw()
110 static int gpio_sn74hc595_port_clear_bits_raw(const struct device *dev, uint32_t mask)  in gpio_sn74hc595_port_clear_bits_raw()  argument
112 	return gpio_sn74hc595_port_set_masked_raw(dev, mask, 0U);  in gpio_sn74hc595_port_clear_bits_raw()
115 static int gpio_sn74hc595_port_toggle_bits(const struct device *dev, uint32_t mask)  in gpio_sn74hc595_port_toggle_bits()  argument
117 	struct gpio_sn74hc595_drv_data *drv_data = dev->data;  in gpio_sn74hc595_port_toggle_bits()
121 	k_mutex_lock(&drv_data->lock, K_FOREVER);  in gpio_sn74hc595_port_toggle_bits()
123 	toggled_output = drv_data->output ^ mask;  in gpio_sn74hc595_port_toggle_bits()
130 	drv_data->output ^= mask;  in gpio_sn74hc595_port_toggle_bits()
133 	k_mutex_unlock(&drv_data->lock);  in gpio_sn74hc595_port_toggle_bits()
154 	const struct gpio_sn74hc595_config *config = dev->config;  in gpio_sn74hc595_init()
155 	struct gpio_sn74hc595_drv_data *drv_data = dev->data;  in gpio_sn74hc595_init()
157 	if (!spi_is_ready_dt(&config->bus)) {  in gpio_sn74hc595_init()
158 		LOG_ERR("SPI bus %s not ready", config->bus.bus->name);  in gpio_sn74hc595_init()
159 		return -ENODEV;  in gpio_sn74hc595_init()
162 	if (!gpio_is_ready_dt(&config->reset_gpio)) {  in gpio_sn74hc595_init()
163 		LOG_ERR("GPIO port %s not ready", config->reset_gpio.port->name);  in gpio_sn74hc595_init()
164 		return -ENODEV;  in gpio_sn74hc595_init()
167 	if (gpio_pin_configure_dt(&config->reset_gpio, GPIO_OUTPUT_ACTIVE) < 0) {  in gpio_sn74hc595_init()
168 		LOG_ERR("Unable to configure RST GPIO pin %u", config->reset_gpio.pin);  in gpio_sn74hc595_init()
169 		return -EINVAL;  in gpio_sn74hc595_init()
172 	gpio_pin_set(config->reset_gpio.port, config->reset_gpio.pin, 0);  in gpio_sn74hc595_init()
174 	drv_data->output = 0U;  in gpio_sn74hc595_init()