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| author | Matus Ujhelyi <ujhelyi.m@gmail.com> | 2013-04-30 03:18:07 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-30 05:28:19 +0400 |
| commit | 17e45db62a4683a7318294d652895dfad575da41 (patch) | |
| tree | d35986ffd65302d38b5050cf89bffc06bd7763f3 /Documentation | |
| parent | 4add06645a0be0519030705e3076e1a5ceba7477 (diff) | |
| download | linux-17e45db62a4683a7318294d652895dfad575da41.tar.xz | |
Documentation: add missing documentation for tps65217-bl device tree binding
Signed-off-by: Matus Ujhelyi <matus.ujhelyi@streamunlimited.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt new file mode 100644 index 000000000000..76485247b35d --- /dev/null +++ b/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt @@ -0,0 +1,24 @@ +TPS65217 family of regulators + +The TPS65217 chip contains a boost converter and current sinks which can be +used to drive LEDs for use as backlights. + +Required properties: +- compatible: "ti,tps65217" +- reg: I2C slave address +- backlight: node for specifying WLED1 and WLED2 lines in TPS65217 +- isel: selection bit, valid values: 1 for ISEL1 (low-level) and 2 for ISEL2 (high-level) +- fdim: PWM dimming frequency, valid values: 100, 200, 500, 1000 + +Each regulator is defined using the standard binding for regulators. + +Example: + + tps: tps@24 { + reg = <0x24>; + compatible = "ti,tps65217"; + backlight { + isel = <1>; /* 1 - ISET1, 2 ISET2 */ + fdim = <100>; /* TPS65217_BL_FDIM_100HZ */ + }; + }; |