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leds: leds-mc13783: Add devicetree support

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This patch adds devicetree support for the MC13XXX LED driver.

([email protected]: remove unneeded semicolon)

Signed-off-by: Alexander Shiyan <[email protected]>
Signed-off-by: Bryan Wu <[email protected]>
This commit is contained in:
Alexander Shiyan 2014-01-31 22:37:23 -08:00 • committed by Bryan Wu
commit 25c6579f87
2 changed files with 140 additions and 19 deletions
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47
Documentation/devicetree/bindings/mfd/mc13xxx.txt
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@ -10,9 +10,44 @@ Optional properties:
- fsl,mc13xxx-uses-touch : Indicate the touchscreen controller is being used
Sub-nodes:
- leds : Contain the led nodes and initial register values in property
"led-control". Number of register depends of used IC, for MC13783 is 6,
for MC13892 is 4, for MC34708 is 1. See datasheet for bits definitions of
these registers.
- #address-cells: Must be 1.
- #size-cells: Must be 0.
Each led node should contain "reg", which used as LED ID (described below).
Optional properties "label" and "linux,default-trigger" is described in
Documentation/devicetree/bindings/leds/common.txt.
- regulators : Contain the regulator nodes. The regulators are bound using
their names as listed below with their registers and bits for enabling.
MC13783 LED IDs:
0 : Main display
1 : AUX display
2 : Keypad
3 : Red 1
4 : Green 1
5 : Blue 1
6 : Red 2
7 : Green 2
8 : Blue 2
9 : Red 3
10 : Green 3
11 : Blue 3
MC13892 LED IDs:
0 : Main display
1 : AUX display
2 : Keypad
3 : Red
4 : Green
5 : Blue
MC34708 LED IDs:
0 : Charger Red
1 : Charger Green
MC13783 regulators:
sw1a : regulator SW1A (register 24, bit 0)
sw1b : regulator SW1B (register 25, bit 0)
@ -89,6 +124,18 @@ ecspi@70010000 { /* ECSPI1 */
interrupt-parent = <&gpio0>;
interrupts = <8>;
leds {
#address-cells = <1>;
#size-cells = <0>;
led-control = <0x000 0x000 0x0e0 0x000>;
sysled {
reg = <3>;
label = "system:red:live";
linux,default-trigger = "heartbeat";
};
};
regulators {
sw1_reg: mc13892__sw1 {
regulator-min-microvolt = <600000>;