mirror of
https://github.com/thead-yocto-mirror/vi-kernel
synced 2026-07-19 06:25:11 +02:00
147 lines
4.1 KiB
C
Executable File
147 lines
4.1 KiB
C
Executable File
/****************************************************************************
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*****************************************************************************
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*
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* The GPL License (GPL)
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*
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* Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program;
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*
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*****************************************************************************
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*
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* Note: This software is released under dual MIT and GPL licenses. A
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* recipient may use this file under the terms of either the MIT license or
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* GPL License. If you wish to use only one license not the other, you can
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* indicate your decision by deleting one of the above license notices in your
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* version of this file.
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*
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*****************************************************************************/
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#include <linux/platform_device.h>
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static void soc_gpio_i2c_release(struct device *dev)
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{
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pr_info("enter %s\n", __func__);
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return;
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}
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static struct resource soc_gpio_i2c0_resource[] = {
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[0] = {
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.start = 0x00,
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.end = 0x00,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device soc_gpio_i2c0_pdev = {
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.name = "soc_gpio_i2c",
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.id = -1,
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.resource = soc_gpio_i2c0_resource,
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.num_resources = 1,
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.dev.release = soc_gpio_i2c_release,
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};
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static struct resource soc_gpio_i2c1_resource[] = {
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[0] = {
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.start = 0x00,
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.end = 0x00,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device soc_gpio_i2c1_pdev = {
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.name = "soc_gpio_i2c",
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.id = -1,
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.resource = soc_gpio_i2c1_resource,
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.num_resources = 1,
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.dev.release = soc_gpio_i2c_release,
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};
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int soc_gpio_i2c_register_bus(unsigned int index,unsigned int bus,unsigned long base_addr, unsigned int size,
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void * virt_base)
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{
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int ret = 0;
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struct platform_device * i2c_pdev;
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pr_info("enter %s\n", __func__);
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switch(index)
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{
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case 0:
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i2c_pdev = &soc_gpio_i2c0_pdev;
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break;
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case 1:
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i2c_pdev = &soc_gpio_i2c1_pdev;
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break;
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default :
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return -1;
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}
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i2c_pdev->id = bus;
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i2c_pdev->resource[0].start = base_addr;
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i2c_pdev->resource[0].end = base_addr + size - 1;
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i2c_pdev->resource[0].name = virt_base;
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ret = platform_device_register(i2c_pdev);
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pr_info("exit %s\n", __func__);
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return ret;
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}
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void soc_gpio_i2c_unregister_bus(unsigned int index)
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{
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struct platform_device * i2c_pdev;
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switch(index)
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{
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case 0:
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i2c_pdev = &soc_gpio_i2c0_pdev;
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break;
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case 1:
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i2c_pdev = &soc_gpio_i2c1_pdev;
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break;
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default :
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return;
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}
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platform_device_unregister(i2c_pdev);
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return ;
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}
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