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author | Andrew Turner <andrew@FreeBSD.org> | 2016-01-28 20:21:15 +0000 |
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committer | Andrew Turner <andrew@FreeBSD.org> | 2016-01-28 20:21:15 +0000 |
commit | 235ad806ee815395bce54dc1b0ce1c06cd29b44a (patch) | |
tree | 41cbd9055ad0d6dfa04377df1bb51f3c3f3948e2 /Bindings/leds/backlight/tps65217-backlight.txt | |
parent | da75c2cc5808a45edc76752ba495dcc5dcd4346c (diff) | |
download | src-235ad806ee815395bce54dc1b0ce1c06cd29b44a.tar.gz src-235ad806ee815395bce54dc1b0ce1c06cd29b44a.zip |
Import updated device-tree files from:vendor/device-tree/ianc-afaecb70
git://xenbits.xen.org/people/ianc/device-tree-rebasing.git
@afaecb70e7ebb983c86d5eb45ff952e9af79c462
Notes
Notes:
svn path=/vendor/device-tree/dist/; revision=295011
svn path=/vendor/device-tree/ianc-afaecb70/; revision=295013; tag=vendor/device-tree/ianc-afaecb70
Diffstat (limited to 'Bindings/leds/backlight/tps65217-backlight.txt')
-rw-r--r-- | Bindings/leds/backlight/tps65217-backlight.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Bindings/leds/backlight/tps65217-backlight.txt b/Bindings/leds/backlight/tps65217-backlight.txt new file mode 100644 index 000000000000..5fb9279ac287 --- /dev/null +++ b/Bindings/leds/backlight/tps65217-backlight.txt @@ -0,0 +1,27 @@ +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 +- default-brightness: valid values: 0-100 + +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 */ + default-brightness = <50>; + }; + }; + |