| /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <linux/of.h> |
| #include <linux/of_gpio.h> |
| #include <cam_sensor_cmn_header.h> |
| #include <cam_sensor_util.h> |
| #include <cam_sensor_io.h> |
| #include <cam_req_mgr_util.h> |
| #include "cam_actuator_soc.h" |
| #include "cam_soc_util.h" |
| |
| int32_t cam_actuator_parse_dt(struct cam_actuator_ctrl_t *a_ctrl, |
| struct device *dev) |
| { |
| int32_t rc = 0; |
| struct cam_hw_soc_info *soc_info = &a_ctrl->soc_info; |
| struct cam_actuator_soc_private *soc_private = |
| (struct cam_actuator_soc_private *)a_ctrl->soc_info.soc_private; |
| struct cam_sensor_power_ctrl_t *power_info = &soc_private->power_info; |
| struct device_node *of_node = NULL; |
| |
| /* Initialize mutex */ |
| mutex_init(&(a_ctrl->actuator_mutex)); |
| |
| rc = cam_soc_util_get_dt_properties(soc_info); |
| if (rc < 0) { |
| CAM_ERR(CAM_ACTUATOR, "parsing common soc dt(rc %d)", rc); |
| return rc; |
| } |
| |
| of_node = soc_info->dev->of_node; |
| |
| if (a_ctrl->io_master_info.master_type == CCI_MASTER) { |
| rc = of_property_read_u32(of_node, "cci-master", |
| &(a_ctrl->cci_i2c_master)); |
| CAM_DBG(CAM_ACTUATOR, "cci-master %d, rc %d", |
| a_ctrl->cci_i2c_master, rc); |
| if ((rc < 0) || (a_ctrl->cci_i2c_master >= MASTER_MAX)) { |
| CAM_ERR(CAM_ACTUATOR, "Wrong info: dt CCI master:%d", |
| a_ctrl->cci_i2c_master); |
| return rc; |
| } |
| } |
| |
| if (!soc_info->gpio_data) { |
| CAM_INFO(CAM_ACTUATOR, "No GPIO found"); |
| rc = 0; |
| return rc; |
| } |
| |
| if (!soc_info->gpio_data->cam_gpio_common_tbl_size) { |
| CAM_INFO(CAM_ACTUATOR, "No GPIO found"); |
| return -EINVAL; |
| } |
| |
| rc = cam_sensor_util_init_gpio_pin_tbl(soc_info, |
| &power_info->gpio_num_info); |
| if ((rc < 0) || (!power_info->gpio_num_info)) { |
| CAM_ERR(CAM_ACTUATOR, "No/Error Actuator GPIOs"); |
| return -EINVAL; |
| } |
| return rc; |
| } |