linux-imx
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* Copyright (C) 2012 John Crispin <john@phrozen.org>7
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*8
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*/9
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#include <linux/slab.h>11
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#include <linux/init.h>12
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#include <linux/module.h>13
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#include <linux/types.h>14
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#include <linux/of_platform.h>15
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#include <linux/mutex.h>16
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#include <linux/gpio.h>16
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#include <linux/gpio/driver.h>17
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#include <linux/io.h>18
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#include <linux/of_gpio.h>19
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#include <linux/clk.h>20
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#include <linux/err.h>21
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#include <lantiq_soc.h>23
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/*25
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* The Serial To Parallel (STP) is found on MIPS based Lantiq socs. It is a26
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* peripheral controller used to drive external shift register cascades. At most27
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* 3 groups of 8 bits can be driven. The hardware is able to allow the DSL modem28
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* to drive the 2 LSBs of the cascade automatically.