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We have a large number of places where while we historically referenced
gd in the code we no longer do, as well as cases where the code added
that line "just in case" during development and never dropped it.
Signed-off-by: Tom Rini <[email protected]>
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Adjust this function to us an ofnode instead of an offset, so it can be
used with livetree. This involves updating all callers.
Signed-off-by: Simon Glass <[email protected]>
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These support the flat device tree. We want to use the dev_read_..()
prefix for functions that support both flat tree and live tree. So rename
the existing functions to avoid confusion.
In the end we will have:
1. dev_read_addr...() - works on devices, supports flat/live tree
2. devfdt_get_addr...() - current functions, flat tree only
3. of_get_address() etc. - new functions, live tree only
All drivers will be written to use 1. That function will in turn call
either 2 or 3 depending on whether the flat or live tree is in use.
Note this involves changing some dead code - the imx_lpi2c.c file.
Signed-off-by: Simon Glass <[email protected]>
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This driver is a simplified version of linux/drivers/leds/leds-bcm6358.c
Signed-off-by: Álvaro Fernández Rojas <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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This driver is a simplified version of linux/drivers/leds/leds-bcm6328.c,
simplified to remove HW leds and blink fallbacks.
Signed-off-by: Álvaro Fernández Rojas <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Allow LEDs to be blinked if the driver supports it. Enable this for
sandbox so that the tests run.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Ziping Chen <[email protected]>
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Add support for toggling an LED into the uclass interface. This can be
efficiently implemented by the driver.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Ziping Chen <[email protected]>
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It is useful to be able to read the LED as well as write it. Add this to
the uclass and update the GPIO driver.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Ziping Chen <[email protected]>
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At present this is very simple, supporting only on and off. We want to
also support toggling and blinking. As a first step, change the name of
the main method and use an enum to indicate the state.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Ziping Chen <[email protected]>
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These structures are normally named with 'uc' instead of 'uclass'. Change
this one for consistency.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Ziping Chen <[email protected]>
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There should be a blank line between each option. Add one before LED_GPIO.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Ziping Chen <[email protected]>
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At present devices use a simple integer offset to record the device tree
node associated with the device. In preparation for supporting a live
device tree, which uses a node pointer instead, refactor existing code to
access this field through an inline function.
Signed-off-by: Simon Glass <[email protected]>
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Move all of the status LED feature to drivers/led/Kconfig.
doc/README.LED updated to reflect the Kconfig implementation.
Tested boards: CL-SOM-AM57x, CM-T335
Signed-off-by: Uri Mashiach <[email protected]>
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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 <[email protected]>
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Signed-off-by: Masahiro Yamada <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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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 <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
[trini: Update to apply again in a few places, drop USB hunk]
Signed-off-by: Tom Rini <[email protected]>
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Add a test to confirm that we can adjust LEDs using the led_gpio driver.
Signed-off-by: Simon Glass <[email protected]>
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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 <[email protected]>
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Add a simple driver which allows use of LEDs attached to GPIOs. The linux
device tree binding is used.
Signed-off-by: Simon Glass <[email protected]>
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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 <[email protected]>
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