#
# Copyright (C) 2008 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk

PKG_NAME:=i2c-gpio-custom
PKG_RELEASE:=2

include $(INCLUDE_DIR)/package.mk

define KernelPackage/i2c-gpio-custom
  SUBMENU:=I2C support
  TITLE:=Custom GPIO-based I2C device
  DEPENDS:=@GPIO_SUPPORT +kmod-i2c-core +kmod-i2c-gpio @!LINUX_4_19
  FILES:=$(PKG_BUILD_DIR)/i2c-gpio-custom.ko
  KCONFIG:=
endef

define KernelPackage/i2c-gpio-custom/description
 Kernel module for register a custom i2c-gpio platform device.
endef

EXTRA_KCONFIG:= \
	CONFIG_I2C_GPIO_CUSTOM=m

EXTRA_CFLAGS:= \
	$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=m,%,$(filter %=m,$(EXTRA_KCONFIG)))) \
	$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=y,%,$(filter %=y,$(EXTRA_KCONFIG)))) \

MAKE_OPTS:= \
	$(KERNEL_MAKE_FLAGS) \
	SUBDIRS="$(PKG_BUILD_DIR)" \
	EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
	$(EXTRA_KCONFIG)

define Build/Compile
	$(MAKE) -C "$(LINUX_DIR)" \
		$(MAKE_OPTS) \
		modules
endef

$(eval $(call KernelPackage,i2c-gpio-custom))
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<tr><td class='linenumbers'><pre><a id='n1' href='#n1'>1</a>
<a id='n2' href='#n2'>2</a>
<a id='n3' href='#n3'>3</a>
<a id='n4' href='#n4'>4</a>
<a id='n5' href='#n5'>5</a>
<a id='n6' href='#n6'>6</a>
<a id='n7' href='#n7'>7</a>
<a id='n8' href='#n8'>8</a>
<a id='n9' href='#n9'>9</a>
<a id='n10' href='#n10'>10</a>
<a id='n11' href='#n11'>11</a>
<a id='n12' href='#n12'>12</a>
<a id='n13' href='#n13'>13</a>
<a id='n14' href='#n14'>14</a>
<a id='n15' href='#n15'>15</a>
<a id='n16' href='#n16'>16</a>
<a id='n17' href='#n17'>17</a>
<a id='n18' href='#n18'>18</a>
<a id='n19' href='#n19'>19</a>
<a id='n20' href='#n20'>20</a>
<a id='n21' href='#n21'>21</a>
</pre></td>
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From: notro &lt;notro@tronnes.org&gt;
Date: Thu, 10 Jul 2014 13:59:47 +0200
Subject: [PATCH] pinctrl-bcm2835: Set base to 0 give expected gpio numbering

Signed-off-by: Noralf Tronnes &lt;notro@tronnes.org&gt;
<span class="gd">---</span>
 drivers/pinctrl/bcm/pinctrl-bcm2835.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

<span class="gd">--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c</span>
<span class="gi">+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c</span>
<span class="gu">@@ -386,7 +386,7 @@ static struct gpio_chip bcm2835_gpio_chi</span>
 	.get = bcm2835_gpio_get,
 	.set = bcm2835_gpio_set,
 	.to_irq = bcm2835_gpio_to_irq,
<span class="gd">-	.base = -1,</span>
<span class="gi">+	.base = 0,</span>
 	.ngpio = BCM2835_NUM_GPIOS,
 	.can_sleep = false,
 };
</pre></div>
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