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* dm: led: Tidy up SPL options for the led and led-gpioSimon Glass2015-09-02-3/+10
| | | | | | | | At present SPL does not have its own option. But these features can increase SPL code size. Adjust the Kconfig and Makefile so that separate a SPL option can be selected. Signed-off-by: Simon Glass <sjg@chromium.org>
* led: rename CONFIG_SPL_LED_SUPPORT to CONFIG_SPL_LEDMasahiro Yamada2015-08-18-1/+1
| | | | | | Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* drivers: hierarchize drivers Kconfig menuMasahiro Yamada2015-08-12-0/+4
| | | | | | | | | | | The menuconfig for drivers are getting more and more cluttered and unreadable because too many entries are displayed in a single flat menu. Use hierarchic menu for each category. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org> [trini: Update to apply again in a few places, drop USB hunk] Signed-off-by: Tom Rini <trini@konsulko.com>
* dm: test: Add a test for the LED uclassSimon Glass2015-07-21-0/+6
| | | | | | Add a test to confirm that we can adjust LEDs using the led_gpio driver. Signed-off-by: Simon Glass <sjg@chromium.org>
* led: Return -ENODEV if the LED device cannot be foundSimon Glass2015-07-21-2/+3
| | | | | | | | | | We normally use -ENODEV for a missing device, rather than -ENOENT. The latter is reserved for when we have a device but cannot find something within it. Also avoid looking at the root LED device since it is only a container. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: led: Add a driver for GPIO-controlled LEDsSimon Glass2015-07-21-0/+111
| | | | | | | Add a simple driver which allows use of LEDs attached to GPIOs. The linux device tree binding is used. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: Add support for LEDsSimon Glass2015-07-21-0/+73
Add a simple uclass for LEDs, so that these can be controlled by the device tree and activated when needed. LEDs are referred to by their label. This implementation requires a driver for each type of LED (e.g GPIO, I2C). Signed-off-by: Simon Glass <sjg@chromium.org>