// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 2005-2008 Freescale Semiconductor, Inc. All Rights Reserved. * Copyright 2008 Luotao Fu, [email protected] */ #include <linux/clk.h> #include <linux/delay.h> #include <linux/io.h> #include <linux/ktime.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/platform_device.h> #include <linux/w1.h> /* * MXC W1 Register offsets */ #define MXC_W1_CONTROL … #define MXC_W1_CONTROL_RDST … #define MXC_W1_CONTROL_WR(x) … #define MXC_W1_CONTROL_PST … #define MXC_W1_CONTROL_RPP … #define MXC_W1_TIME_DIVIDER … #define MXC_W1_RESET … #define MXC_W1_RESET_RST … struct mxc_w1_device { … }; /* * this is the low level routine to * reset the device on the One Wire interface * on the hardware */ static u8 mxc_w1_ds2_reset_bus(void *data) { … } /* * this is the low level routine to read/write a bit on the One Wire * interface on the hardware. It does write 0 if parameter bit is set * to 0, otherwise a write 1/read. */ static u8 mxc_w1_ds2_touch_bit(void *data, u8 bit) { … } static int mxc_w1_probe(struct platform_device *pdev) { … } /* * disassociate the w1 device from the driver */ static void mxc_w1_remove(struct platform_device *pdev) { … } static const struct of_device_id mxc_w1_dt_ids[] = …; MODULE_DEVICE_TABLE(of, mxc_w1_dt_ids); static struct platform_driver mxc_w1_driver = …; module_platform_driver(…) …; MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …;
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