90 lines
1.7 KiB
C
Executable File
90 lines
1.7 KiB
C
Executable File
/*
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*
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* drivers/media/tdmb/tdmb_spi.c
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*
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* tdmb driver
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*
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* Copyright (C) (2011, Samsung Electronics)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of 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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*/
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#include <linux/module.h>
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#include <linux/spi/spi.h>
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#include <linux/of_gpio.h>
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#include "tdmb.h"
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struct spi_device *spi_dmb;
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static int tdmbspi_probe(struct spi_device *spi)
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{
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int ret;
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spi_dmb = spi;
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DPRINTK("%s\n", __func__);
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spi->mode = SPI_MODE_0;
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spi->bits_per_word = 8;
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ret = spi_setup(spi);
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if (ret < 0) {
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DPRINTK("spi_setup() fail ret : %d\n", ret);
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return ret;
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}
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return 0;
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}
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static const struct of_device_id tdmb_spi_match_table[] = {
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{.compatible = "tdmb_spi_comp"},
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{}
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};
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static int tdmbspi_remove(struct spi_device *spi)
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{
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return 0;
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}
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static struct spi_driver tdmbspi_driver = {
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.driver = {
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.name = "tdmbspi",
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.of_match_table = tdmb_spi_match_table,
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.owner = THIS_MODULE,
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},
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.probe = tdmbspi_probe,
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.remove = tdmbspi_remove,
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};
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static int __init tdmb_spi_init(void)
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{
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return spi_register_driver(&tdmbspi_driver);
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}
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static void __exit tdmb_spi_exit(void)
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{
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spi_unregister_driver(&tdmbspi_driver);
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}
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unsigned long tdmb_get_if_handle(void)
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{
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DPRINTK("%s\n", __func__);
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return (unsigned long)spi_dmb;
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}
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EXPORT_SYMBOL_GPL(tdmb_get_if_handle);
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late_initcall(tdmb_spi_init);
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module_exit(tdmb_spi_exit);
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MODULE_AUTHOR("Samsung");
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MODULE_DESCRIPTION("TDMB SPI Driver");
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MODULE_LICENSE("GPL v2");
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