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gpio: pca953x: Add TI TCA9539 support

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The TCA9539 is almost identical to the PCA9555 and software-compatible
with this driver. It exposes 16 general purpose I/O pins in two 8-bit
configurations.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Thierry Reding
2015-09-29 12:55:44 +02:00
committed by Linus Walleij
parent 7474f23dd0
commit 2db8aba860
2 changed files with 2 additions and 0 deletions
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1
Documentation/devicetree/bindings/gpio/gpio-pca953x.txt
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@@ -24,6 +24,7 @@ Required properties:
ti,tca6408 ti,tca6408
ti,tca6416 ti,tca6416
ti,tca6424 ti,tca6424
ti,tca9539
exar,xra1202 exar,xra1202
Example: Example:

1
drivers/gpio/gpio-pca953x.c
View File

@@ -67,6 +67,7 @@ static const struct i2c_device_id pca953x_id[] = {
{ "tca6408", 8 | PCA953X_TYPE | PCA_INT, }, { "tca6408", 8 | PCA953X_TYPE | PCA_INT, },
{ "tca6416", 16 | PCA953X_TYPE | PCA_INT, }, { "tca6416", 16 | PCA953X_TYPE | PCA_INT, },
{ "tca6424", 24 | PCA953X_TYPE | PCA_INT, }, { "tca6424", 24 | PCA953X_TYPE | PCA_INT, },
{ "tca9539", 16 | PCA953X_TYPE | PCA_INT, },
{ "xra1202", 8 | PCA953X_TYPE }, { "xra1202", 8 | PCA953X_TYPE },
{ } { }
}; };