From 17d9de93fd4346d98daf50543299331bddb3c36c Mon Sep 17 00:00:00 2001 From: Tao Huang Date: Mon, 5 Nov 2018 15:03:54 +0800 Subject: [PATCH] drivers/regulator: remove unused rockchip_io_vol_domain driver Change-Id: I6e0baf7b6526d20c3cd5779a916f057d2f72134c Signed-off-by: Tao Huang --- drivers/regulator/rockchip_io_vol_domain.c | 187 ------------------ .../linux/regulator/rockchip_io_vol_domain.h | 51 ----- 2 files changed, 238 deletions(-) delete mode 100644 drivers/regulator/rockchip_io_vol_domain.c delete mode 100755 include/linux/regulator/rockchip_io_vol_domain.h diff --git a/drivers/regulator/rockchip_io_vol_domain.c b/drivers/regulator/rockchip_io_vol_domain.c deleted file mode 100644 index 5a5b70bcd9e5..000000000000 --- a/drivers/regulator/rockchip_io_vol_domain.c +++ /dev/null @@ -1,187 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -struct io_domain_port *g_uap; - -int io_domain_regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV) -{ - int old_voltage,ret =0; - - old_voltage = io_domain_regulator_get_voltage(regulator); - if (IS_ERR(g_uap->pins_3v3) ||IS_ERR(g_uap->pins_1v8) ){ - printk("IO_DOMAIN:ERROR:The io vol domin is not exit. %s\n",__func__); - } - - if (min_uV == old_voltage){ - IO_DOMAIN_DBG("IO_DOMAIN:the vol is not modify,not need to set io vol domain. %s \n",__func__); - return 0; - } - else if (min_uV > old_voltage){ - if( min_uV > IO_VOL_DOMAIN_3V3){ - pinctrl_select_state(g_uap->pctl, g_uap->pins_3v3); - IO_DOMAIN_DBG("IO_DOMAIN:set io domain 3.3v. %s \n",__func__); - } - else if (min_uV > IO_VOL_DOMAIN_1V8){ - pinctrl_select_state(g_uap->pctl, g_uap->pins_1v8); - IO_DOMAIN_DBG("IO_DOMAIN:set io domain 1.8v. %s \n",__func__); - } - ret = regulator_set_voltage(regulator,min_uV,max_uV); - } - else if (min_uV < old_voltage){ - ret = regulator_set_voltage(regulator,min_uV,max_uV); - if( min_uV > IO_VOL_DOMAIN_3V3){ - pinctrl_select_state(g_uap->pctl, g_uap->pins_3v3); - IO_DOMAIN_DBG("IO_DOMAIN:set io domain 3.3v. %s \n",__func__); - } - else if (min_uV > IO_VOL_DOMAIN_1V8){ - pinctrl_select_state(g_uap->pctl, g_uap->pins_1v8); - IO_DOMAIN_DBG("IO_DOMAIN:set io domain 1.8v. %s \n",__func__); - } - } - return ret; - -} - - -#if defined(CONFIG_PM) -static int rk_io_vol_domain_suspend(struct platform_device *pdev, pm_message_t state) -{ - return 0; -} - -static int rk_io_vol_domain_resume(struct platform_device *pdev) -{ - return 0; -} -#else -#define rk_io_vol_domain_suspend NULL -#define rk_io_vol_domain_resume NULL -#endif - -static int rk_io_vol_domain_probe(struct platform_device *pdev) -{ - struct io_domain_port *uap; - struct device_node *io_domain_node ; - struct regulator *vol_regulator; - struct io_domain_device *io_vol_dev = NULL; - int vol=0,ret =0; - - io_vol_dev = devm_kzalloc(&pdev->dev, sizeof(struct io_domain_device), GFP_KERNEL); - if (!io_vol_dev) { - dev_err(&pdev->dev, "no memory for state\n"); - return -ENOMEM; - } - platform_set_drvdata(pdev, io_vol_dev); - io_vol_dev->dev = &pdev->dev; - - uap = devm_kzalloc(&pdev->dev, sizeof(struct io_domain_port), - GFP_KERNEL); - if (uap == NULL) { - printk("uap is not set %s,line=%d\n", __func__,__LINE__); - - } - uap->pctl = devm_pinctrl_get(io_vol_dev->dev); - uap->pins_default = pinctrl_lookup_state(uap->pctl,"default"); - uap->pins_1v8 = pinctrl_lookup_state(uap->pctl, "1.8V"); - uap->pins_3v3 = pinctrl_lookup_state(uap->pctl,"3.3V"); - g_uap = uap; - - io_domain_node = of_node_get(pdev->dev.of_node); - if (!io_domain_node) { - printk("could not find rk_io_vol_domain-node\n"); - return -ENODEV ; - } - - io_domain_node->name = of_get_property(io_domain_node, "regulator-name", NULL); - - if (io_domain_node->name== NULL) { - printk("%s io_domain_node->name(%s) get regulator_name err, ret:%d\n", __func__, io_domain_node->name,ret); - return -ENODEV ; - } - vol_regulator = regulator_get(NULL,io_domain_node->name); - if (IS_ERR(vol_regulator)){ - pinctrl_select_state(uap->pctl, uap->pins_default); - IO_DOMAIN_DBG("IO_DOMAIN:ERROR:The io vol domin regulator name is not exit,set it by defult. %s %s\n",__func__,io_domain_node->name); - return 0 ; - } - else{ - vol = regulator_get_voltage(vol_regulator); - if (vol > IO_VOL_DOMAIN_3V3){ - pinctrl_select_state(uap->pctl, uap->pins_3v3); - IO_DOMAIN_DBG("IO_DOMAIN:set io domain 3.3v. %s %s = %d\n",__func__,io_domain_node->name,vol); - } - else if (vol > IO_VOL_DOMAIN_1V8){ - pinctrl_select_state(uap->pctl, uap->pins_1v8); - IO_DOMAIN_DBG("IO_DOMAIN:set io domain 1.8v. %s %s = %d\n",__func__,io_domain_node->name,vol); - } - else{ - pinctrl_select_state(uap->pctl, uap->pins_default); - IO_DOMAIN_DBG("IO_DOMAIN:ERROR:The io vol domin is not exit,set it by defult. %s %s\n",__func__,io_domain_node->name); - } - } - regulator_put(vol_regulator); - return 0; -} - -static int rk_io_vol_domain_remove(struct platform_device *pdev) -{ - - return 0; -} - -#if defined(CONFIG_OF) -static const struct of_device_id rk_io_vol_domain_dt_ids[] = { - {.compatible = "rockchip,io_vol_domain", .data = NULL, }, - {} -}; -#endif - -static struct platform_driver rk_io_vol_domain_driver = { - .probe = rk_io_vol_domain_probe, - .remove = rk_io_vol_domain_remove, - .driver = { - .name = "rk_io_vol_domain", - .owner = THIS_MODULE, - .of_match_table = of_match_ptr(rk_io_vol_domain_dt_ids), - }, - .suspend = rk_io_vol_domain_suspend, - .resume = rk_io_vol_domain_resume, -}; - -static int __init rk_io_vol_domain_module_init(void) -{ - return platform_driver_register(&rk_io_vol_domain_driver); -} - -static void __exit rk_io_vol_domain_module_exit(void) -{ - platform_driver_unregister(&rk_io_vol_domain_driver); -} - -fs_initcall(rk_io_vol_domain_module_init); -module_exit(rk_io_vol_domain_module_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("rockchip"); -MODULE_DESCRIPTION("rk io domain setting"); - - diff --git a/include/linux/regulator/rockchip_io_vol_domain.h b/include/linux/regulator/rockchip_io_vol_domain.h deleted file mode 100755 index 89f71be7747c..000000000000 --- a/include/linux/regulator/rockchip_io_vol_domain.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * - * Copyright (C) 2014 ROCKCHIP, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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 - -#if 0 -#define IO_DOMAIN_DBG(fmt, args...) printk( "IO_DOMAIN_DBG:\t"fmt, ##args) -#else -#define IO_DOMAIN_DBG(fmt, args...) {while(0);} -#endif - -#define io_domain_regulator_get(dev,id) regulator_get((dev),(id)) -#define io_domain_regulator_put(regu) regulator_put((regu)) -#define io_domain_regulator_get_voltage(regu) regulator_get_voltage((regu)) - -int io_domain_regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV); - -#define IO_VOL_DOMAIN_3V3 2800000 -#define IO_VOL_DOMAIN_1V8 1500000 - -struct vd_node { - const char *name; - const char *regulator_name; - struct regulator *regulator; - struct list_head node; -}; -struct io_domain_port { - struct pinctrl *pctl; - struct pinctrl_state *pins_default; - struct pinctrl_state *pins_1v8; - struct pinctrl_state *pins_3v3; -}; - -struct io_domain_device{ - struct device *dev; - struct device_node *of_node; - -}; -