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tools/gpio: create GPIO tools

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This creates GPIO tools under tools/gpio/* and adds a single
example program to list the GPIOs on a system. When proper
devices are created it provides this minimal output:

Cc: Johan Hovold <johan@kernel.org>
Cc: Michael Welling <mwelling@ieee.org>
Cc: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij
2015-10-21 15:45:54 +02:00
parent 3c702e9987
commit 6d591c46bc
6 changed files with 182 additions and 3 deletions
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tools/Makefile
+5 -3
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@@ -13,6 +13,7 @@ help:
@echo ' cpupower - a tool for all things x86 CPU power'
@echo ' firewire - the userspace part of nosy, an IEEE-1394 traffic sniffer'
@echo ' freefall - laptop accelerometer program for disk protection'
@echo ' gpio - GPIO tools'
@echo ' hv - tools used when in Hyper-V clients'
@echo ' iio - IIO tools'
@echo ' lguest - a minimal 32-bit x86 hypervisor'
@@ -53,7 +54,7 @@ acpi: FORCE
cpupower: FORCE
$(call descend,power/$@)
cgroup firewire hv guest spi usb virtio vm net iio: FORCE
cgroup firewire hv guest spi usb virtio vm net iio gpio: FORCE
$(call descend,$@)
liblockdep: FORCE
@@ -119,7 +120,7 @@ acpi_clean:
cpupower_clean:
$(call descend,power/cpupower,clean)
cgroup_clean hv_clean firewire_clean lguest_clean spi_clean usb_clean virtio_clean vm_clean net_clean iio_clean:
cgroup_clean hv_clean firewire_clean lguest_clean spi_clean usb_clean virtio_clean vm_clean net_clean iio_clean gpio_clean:
$(call descend,$(@:_clean=),clean)
liblockdep_clean:
@@ -155,6 +156,7 @@ build_clean:
clean: acpi_clean cgroup_clean cpupower_clean hv_clean firewire_clean lguest_clean \
perf_clean selftests_clean turbostat_clean spi_clean usb_clean virtio_clean \
vm_clean net_clean iio_clean x86_energy_perf_policy_clean tmon_clean \
freefall_clean build_clean libbpf_clean libsubcmd_clean liblockdep_clean
freefall_clean build_clean libbpf_clean libsubcmd_clean liblockdep_clean \
gpio_clean
.PHONY: FORCE