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openwrt/package/kernel/spi-gpio-custom/Makefile

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package/kernel: add spi-gpio-custom module The package makes it possible to create custom SPI buses via GPIO lines. This module is based on i2c-gpio-custom and allows to configure an SPI bus via GPIO lines and expose it to userspace without rebuilding the kernel. This is maily intended to connect microcontrollers and other simple SPI devices without making an ad-hoc kernel driver. Signed-off-by: Marco Burato <zmaster.adsl@gmail.com> [juhosg: - change subject, - extend and reformat commit message, - cleanup checkpatch errors/warnings in module source] Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 37872
2013-09-02 08:45:29 +00:00
#
# 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:=spi-gpio-custom
PKG_RELEASE:=1
include $(INCLUDE_DIR)/package.mk
define KernelPackage/spi-gpio-custom
SUBMENU:=SPI Support
TITLE:=Custom GPIO-based SPI device
kernel: Deactivate *-gpio-custom drivers for 4.19 Kernel interface changed with kernel 4.19, it does not accept raw GPIO numbers any more. Deactivate these drivers on kernel 4.19 for now. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2018-11-02 18:13:03 +00:00
DEPENDS:=@GPIO_SUPPORT +kmod-spi-bitbang +kmod-spi-gpio +kmod-spi-dev @!LINUX_4_19
package/kernel: add spi-gpio-custom module The package makes it possible to create custom SPI buses via GPIO lines. This module is based on i2c-gpio-custom and allows to configure an SPI bus via GPIO lines and expose it to userspace without rebuilding the kernel. This is maily intended to connect microcontrollers and other simple SPI devices without making an ad-hoc kernel driver. Signed-off-by: Marco Burato <zmaster.adsl@gmail.com> [juhosg: - change subject, - extend and reformat commit message, - cleanup checkpatch errors/warnings in module source] Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 37872
2013-09-02 08:45:29 +00:00
FILES:=$(PKG_BUILD_DIR)/spi-gpio-custom.ko
KCONFIG:=
endef
define KernelPackage/spi-gpio-custom/description
Kernel module for register a custom spi-gpio platform device.
endef
EXTRA_KCONFIG:= \
CONFIG_SPI_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:= \
build: use KERNEL_MAKE_FLAGS for kernel file compilations The build system already defines KERNEL_CROSS which defaults to TARGET_CROSS. Make use of this variable for kernel makefiles. Signed-off-by: Karl Vogel <karl.vogel@gmail.com>
2017-10-13 09:10:03 +00:00
$(KERNEL_MAKE_FLAGS) \
package/kernel: add spi-gpio-custom module The package makes it possible to create custom SPI buses via GPIO lines. This module is based on i2c-gpio-custom and allows to configure an SPI bus via GPIO lines and expose it to userspace without rebuilding the kernel. This is maily intended to connect microcontrollers and other simple SPI devices without making an ad-hoc kernel driver. Signed-off-by: Marco Burato <zmaster.adsl@gmail.com> [juhosg: - change subject, - extend and reformat commit message, - cleanup checkpatch errors/warnings in module source] Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 37872
2013-09-02 08:45:29 +00:00
SUBDIRS="$(PKG_BUILD_DIR)" \
EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
$(EXTRA_KCONFIG)
define Build/Compile
$(MAKE) -C "$(LINUX_DIR)" \
$(MAKE_OPTS) \
modules
endef
$(eval $(call KernelPackage,spi-gpio-custom))
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