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authorLinus Torvalds <torvalds@linux-foundation.org>2014-01-28 18:53:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-28 18:53:01 -0800
commit268943fb7529a15254a5247372119ba4bd735e94 (patch)
tree790d42cfade2a35b0eec5e1b7e0ac3795d399bcc /Documentation/devicetree
parent2ad48ee810335bdd99de96e1a0796ba34c0e8301 (diff)
parent3cb6f44aedf519dce4a9106dec675b94d675c539 (diff)
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem update from Bryan Wu: "Basically this cycle is mostly cleanup for LED subsystem" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: leds: s3c24xx: Remove hardware.h inclusion leds: replace list_for_each with list_for_each_entry leds: kirkwood: Cleanup in header files leds: pwm: Remove a warning on non-DT platforms leds: leds-pwm: fix duty time overflow. leds: leds-mc13783: Remove unneeded mc13xxx_{un}lock leds: leds-mc13783: Remove duplicate field in platform data drivers: leds: leds-tca6507: check CONFIG_GPIOLIB whether defined for 'gpio_base' leds: lp5523: Support LED MUX configuration on running a pattern leds: lp5521/5523: Fix multiple engine usage bug LEDS: tca6507 - fix up some comments. LEDS: tca6507: add device-tree support for GPIO configuration. LEDS: tca6507 - fix bugs in parsing of device-tree configuration.
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r--Documentation/devicetree/bindings/leds/tca6507.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/leds/tca6507.txt b/Documentation/devicetree/bindings/leds/tca6507.txt
index 80ff3dfb1f32..d7221b84987c 100644
--- a/Documentation/devicetree/bindings/leds/tca6507.txt
+++ b/Documentation/devicetree/bindings/leds/tca6507.txt
@@ -2,6 +2,13 @@ LEDs connected to tca6507
Required properties:
- compatible : should be : "ti,tca6507".
+- #address-cells: must be 1
+- #size-cells: must be 0
+- reg: typically 0x45.
+
+Optional properties:
+- gpio-controller: allows lines to be used as output-only GPIOs.
+- #gpio-cells: if present, must be 0.
Each led is represented as a sub-node of the ti,tca6507 device.
@@ -10,6 +17,7 @@ LED sub-node properties:
- reg : number of LED line (could be from 0 to 6)
- linux,default-trigger : (optional)
see Documentation/devicetree/bindings/leds/common.txt
+- compatible: either "led" (the default) or "gpio".
Examples:
@@ -19,6 +27,9 @@ tca6507@45 {
#size-cells = <0>;
reg = <0x45>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
led0: red-aux@0 {
label = "red:aux";
reg = <0x0>;
@@ -29,5 +40,10 @@ tca6507@45 {
reg = <0x5>;
linux,default-trigger = "default-on";
};
+
+ wifi-reset@6 {
+ reg = <0x6>;
+ compatible = "gpio";
+ };
};

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