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体验新版 GitCode,发现更多精彩内容 >>
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4a92a385
编写于
11月 26, 2012
作者:
R
Rob Herring
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Merge remote-tracking branch 'grant/devicetree/next' into for-next
上级
50c8af4c
155dd0c2
变更
4
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Showing
4 changed file
with
30 addition
and
11 deletion
+30
-11
Documentation/devicetree/bindings/gpio/led.txt
Documentation/devicetree/bindings/gpio/led.txt
+4
-10
Documentation/devicetree/bindings/leds/common.txt
Documentation/devicetree/bindings/leds/common.txt
+23
-0
Documentation/devicetree/usage-model.txt
Documentation/devicetree/usage-model.txt
+1
-1
scripts/dtc/Makefile
scripts/dtc/Makefile
+2
-0
未找到文件。
Documentation/devicetree/bindings/gpio/led.txt
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4a92a385
...
...
@@ -10,16 +10,10 @@ LED sub-node properties:
- gpios : Should specify the LED's GPIO, see "gpios property" in
Documentation/devicetree/bindings/gpio/gpio.txt. Active low LEDs should be
indicated using flags in the GPIO specifier.
- label : (optional) The label for this LED. If omitted, the label is
taken from the node name (excluding the unit address).
- linux,default-trigger : (optional) This parameter, if present, is a
string defining the trigger assigned to the LED. Current triggers are:
"backlight" - LED will act as a back-light, controlled by the framebuffer
system
"default-on" - LED will turn on, but see "default-state" below
"heartbeat" - LED "double" flashes at a load average based rate
"ide-disk" - LED indicates disk activity
"timer" - LED flashes at a fixed, configurable rate
- label : (optional)
see Documentation/devicetree/bindings/leds/common.txt
- linux,default-trigger : (optional)
see Documentation/devicetree/bindings/leds/common.txt
- default-state: (optional) The initial state of the LED. Valid
values are "on", "off", and "keep". If the LED is already on or off
and the default-state property is set the to same value, then no
...
...
Documentation/devicetree/bindings/leds/common.txt
0 → 100644
浏览文件 @
4a92a385
Common leds properties.
Optional properties for child nodes:
- label : The label for this LED. If omitted, the label is
taken from the node name (excluding the unit address).
- linux,default-trigger : This parameter, if present, is a
string defining the trigger assigned to the LED. Current triggers are:
"backlight" - LED will act as a back-light, controlled by the framebuffer
system
"default-on" - LED will turn on (but for leds-gpio see "default-state"
property in Documentation/devicetree/bindings/gpio/led.txt)
"heartbeat" - LED "double" flashes at a load average based rate
"ide-disk" - LED indicates disk activity
"timer" - LED flashes at a fixed, configurable rate
Examples:
system-status {
label = "Status";
linux,default-trigger = "heartbeat";
...
};
Documentation/devicetree/usage-model.txt
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4a92a385
...
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@@ -347,7 +347,7 @@ later), which will happily live at the base of the Linux /sys/devices
tree. Therefore, if a DT node is at the root of the tree, then it
really probably is best registered as a platform_device.
Linux board support code calls of_platform_populate(NULL, NULL, NULL)
Linux board support code calls of_platform_populate(NULL, NULL, NULL
, NULL
)
to kick off discovery of devices at the root of the tree. The
parameters are all NULL because when starting from the root of the
tree, there is no need to provide a starting node (the first NULL), a
...
...
scripts/dtc/Makefile
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4a92a385
...
...
@@ -27,3 +27,5 @@ HOSTCFLAGS_dtc-parser.tab.o := $(HOSTCFLAGS_DTC)
# dependencies on generated files need to be listed explicitly
$(obj)/dtc-lexer.lex.o
:
$(obj)/dtc-parser.tab.h
# generated files need to be cleaned explicitly
clean-files
:=
dtc-lexer.lex.c dtc-parser.tab.c dtc-parser.tab.h
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