€•‡      Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ&/translations/zh_CN/w1/masters/w1-gpio”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ&/translations/zh_TW/w1/masters/w1-gpio”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ&/translations/it_IT/w1/masters/w1-gpio”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ&/translations/ja_JP/w1/masters/w1-gpio”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ&/translations/ko_KR/w1/masters/w1-gpio”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ&/translations/sp_SP/w1/masters/w1-gpio”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒKernel driver w1-gpio”h]”hŒKernel driver w1-gpio”…””}”(hh¨hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hh£hžhhŸŒ@/var/lib/git/docbuild/linux/Documentation/w1/masters/w1-gpio.rst”h KubhŒ	paragraph”“”)”}”(hŒ&Author: Ville Syrjala <syrjala@sci.fi>”h]”(hŒAuthor: Ville Syrjala <”…””}”(hh¹hžhhŸNh NubhŒ	reference”“”)”}”(hŒsyrjala@sci.fi”h]”hŒsyrjala@sci.fi”…””}”(hhÃhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”Œrefuri”Œmailto:syrjala@sci.fi”uh1hÁhh¹ubhŒ>”…””}”(hh¹hžhhŸNh Nubeh}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h Khh£hžhubh¢)”}”(hhh]”(h§)”}”(hŒDescription”h]”hŒDescription”…””}”(hhàhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hhÝhžhhŸh¶h K	ubh¸)”}”(hX	  GPIO 1-wire bus master driver. The driver uses the GPIO API to control the
wire and the GPIO pin can be specified using GPIO machine descriptor tables.
It is also possible to define the master using device tree, see
Documentation/devicetree/bindings/w1/w1-gpio.yaml”h]”hX	  GPIO 1-wire bus master driver. The driver uses the GPIO API to control the
wire and the GPIO pin can be specified using GPIO machine descriptor tables.
It is also possible to define the master using device tree, see
Documentation/devicetree/bindings/w1/w1-gpio.yaml”…””}”(hhîhžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h·hŸh¶h KhhÝhžhubeh}”(h]”Œdescription”ah ]”h"]”Œdescription”ah$]”h&]”uh1h¡hh£hžhhŸh¶h K	ubh¢)”}”(hhh]”(h§)”}”(hŒExample (mach-at91)”h]”hŒExample (mach-at91)”…””}”(hj  hžhhŸNh Nubah}”(h]”h ]”h"]”h$]”h&]”uh1h¦hj  hžhhŸh¶h KubhŒliteral_block”“”)”}”(hX  #include <linux/gpio/machine.h>
#include <linux/w1-gpio.h>

static struct gpiod_lookup_table foo_w1_gpiod_table = {
      .dev_id = "w1-gpio",
      .table = {
              GPIO_LOOKUP_IDX("at91-gpio", AT91_PIN_PB20, NULL, 0,
                      GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN),
      },
};

static struct w1_gpio_platform_data foo_w1_gpio_pdata = {
      .ext_pullup_enable_pin  = -EINVAL,
};

static struct platform_device foo_w1_device = {
      .name                   = "w1-gpio",
      .id                     = -1,
      .dev.platform_data      = &foo_w1_gpio_pdata,
};

...
      at91_set_GPIO_periph(foo_w1_gpio_pdata.pin, 1);
      at91_set_multi_drive(foo_w1_gpio_pdata.pin, 1);
      gpiod_add_lookup_table(&foo_w1_gpiod_table);
      platform_device_register(&foo_w1_device);”h]”hX  #include <linux/gpio/machine.h>
#include <linux/w1-gpio.h>

static struct gpiod_lookup_table foo_w1_gpiod_table = {
      .dev_id = "w1-gpio",
      .table = {
              GPIO_LOOKUP_IDX("at91-gpio", AT91_PIN_PB20, NULL, 0,
                      GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN),
      },
};

static struct w1_gpio_platform_data foo_w1_gpio_pdata = {
      .ext_pullup_enable_pin  = -EINVAL,
};

static struct platform_device foo_w1_device = {
      .name                   = "w1-gpio",
      .id                     = -1,
      .dev.platform_data      = &foo_w1_gpio_pdata,
};

...
      at91_set_GPIO_periph(foo_w1_gpio_pdata.pin, 1);
      at91_set_multi_drive(foo_w1_gpio_pdata.pin, 1);
      gpiod_add_lookup_table(&foo_w1_gpiod_table);
      platform_device_register(&foo_w1_device);”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1j  hŸh¶h Khj  hžhubeh}”(h]”Œexample-mach-at91”ah ]”h"]”Œexample (mach-at91)”ah$]”h&]”uh1h¡hh£hžhhŸh¶h Kubeh}”(h]”Œkernel-driver-w1-gpio”ah ]”h"]”Œkernel driver w1-gpio”ah$]”h&]”uh1h¡hhhžhhŸh¶h Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”h¶uh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(h¦NŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
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id_counter”Œcollections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œtransformer”NŒinclude_log”]”Œ
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