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kernel/linux-imx6_3.14.28/arch/avr32/mach-at32ap/pdc.c 1 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * Copyright (C) 2006 Atmel Corporation
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #include <linux/clk.h>
  #include <linux/err.h>
  #include <linux/init.h>
  #include <linux/platform_device.h>
  
  static int __init pdc_probe(struct platform_device *pdev)
  {
  	struct clk *pclk, *hclk;
  
  	pclk = clk_get(&pdev->dev, "pclk");
  	if (IS_ERR(pclk)) {
  		dev_err(&pdev->dev, "no pclk defined
  ");
  		return PTR_ERR(pclk);
  	}
  	hclk = clk_get(&pdev->dev, "hclk");
  	if (IS_ERR(hclk)) {
  		dev_err(&pdev->dev, "no hclk defined
  ");
  		clk_put(pclk);
  		return PTR_ERR(hclk);
  	}
  
  	clk_enable(pclk);
  	clk_enable(hclk);
  
  	dev_info(&pdev->dev, "Atmel Peripheral DMA Controller enabled
  ");
  	return 0;
  }
  
  static struct platform_driver pdc_driver = {
  	.driver		= {
  		.name	= "pdc",
  	},
  };
  
  static int __init pdc_init(void)
  {
  	return platform_driver_probe(&pdc_driver, pdc_probe);
  }
  arch_initcall(pdc_init);