4  * SPDX-License-Identifier: Apache-2.0
29 	/* IT8801 controller dev */
37 	/* Keyboard scan out mode control register */
39 	/* Keyboard scan in data register */
41 	/* Keyboard scan in edge event register */
43 	/* Keyboard scan in interrupt enable register */
56 	const struct kbd_it8801_config *config = dev->config;  in kbd_it8801_drive_column()
61 		/* Tri-state all outputs. KSO[22:11, 6:0] output high */  in kbd_it8801_drive_column()
68 		kso_val = config->kso_mapping[col];  in kbd_it8801_drive_column()
71 	ret = i2c_reg_write_byte_dt(&config->i2c_dev, config->reg_ksomcr, kso_val);  in kbd_it8801_drive_column()
80 	const struct kbd_it8801_config *const config = dev->config;  in kbd_it8801_read_row()
84 	ret = i2c_reg_read_byte_dt(&config->i2c_dev, config->reg_ksidr, &value);  in kbd_it8801_read_row()
89 	/* Bits are active-low, so invert returned levels */  in kbd_it8801_read_row()
95 	const struct kbd_it8801_config *const config = dev->config;  in it8801_input_alert_handler()
99 	ret = i2c_reg_read_byte_dt(&config->i2c_dev, config->reg_ksieer, &ksieer_val);  in it8801_input_alert_handler()
106 		ret = i2c_reg_write_byte_dt(&config->i2c_dev, config->reg_ksieer, GENMASK(7, 0));  in it8801_input_alert_handler()
117 	const struct kbd_it8801_config *const config = dev->config;  in kbd_it8801_set_detect_mode()
122 		ret = i2c_reg_write_byte_dt(&config->i2c_dev, config->reg_ksieer, GENMASK(7, 0));  in kbd_it8801_set_detect_mode()
128 		ret = i2c_reg_write_byte_dt(&config->i2c_dev, config->reg_ksiier, GENMASK(7, 0));  in kbd_it8801_set_detect_mode()
135 		ret = i2c_reg_write_byte_dt(&config->i2c_dev, config->reg_ksiier, 0x00);  in kbd_it8801_set_detect_mode()
145 	const struct kbd_it8801_config *const config = dev->config;  in kbd_it8801_init()
146 	struct kbd_it8801_data *data = dev->data;  in kbd_it8801_init()
149 	/* Verify multi-function parent is ready */  in kbd_it8801_init()
150 	if (!device_is_ready(config->mfd)) {  in kbd_it8801_init()
151 		LOG_ERR("(input)%s is not ready", config->mfd->name);  in kbd_it8801_init()
152 		return -ENODEV;  in kbd_it8801_init()
155 	for (int i = 0; i < config->mfdctrl_len; i++) {  in kbd_it8801_init()
157 		status = mfd_it8801_configure_pins(&config->i2c_dev, config->altctrl[i].gpiocr,  in kbd_it8801_init()
158 						   config->altctrl[i].pin,  in kbd_it8801_init()
159 						   config->altctrl[i].alt_func);  in kbd_it8801_init()
170 	ret = i2c_reg_write_byte_dt(&config->i2c_dev, config->reg_ksomcr, IT8801_REG_MASK_AKSOSC);  in kbd_it8801_init()
176 	ret = i2c_reg_write_byte_dt(&config->i2c_dev, IT8801_REG_GIECR, IT8801_REG_MASK_GKSIIE);  in kbd_it8801_init()
182 	ret = i2c_reg_write_byte_dt(&config->i2c_dev, IT8801_REG_SMBCR, IT8801_REG_MASK_ARE);  in kbd_it8801_init()
189 	data->it8801_kbd_callback.cb = it8801_input_alert_handler;  in kbd_it8801_init()
190 	data->it8801_kbd_callback.dev = dev;  in kbd_it8801_init()
191 	mfd_it8801_register_interrupt_callback(config->mfd, &data->it8801_kbd_callback);  in kbd_it8801_init()
225 	BUILD_ASSERT(IN_RANGE(DT_INST_PROP(inst, row_size), 1, 8), "invalid row-size");            \
226 	BUILD_ASSERT(IN_RANGE(DT_INST_PROP(inst, col_size), 1, 19), "invalid col-size");