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gpio: pca953x: Add support for TI PCA9536 

TI PCA9536 is 4-Bit I2C GPIO expander without interrupt support[1].
Add support for the same.

[1] TRM: http://www.ti.com/lit/ds/symlink/pca9536.pdf

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Vignesh R 2016-05-19 12:17:29 +05:30 committed by Linus Walleij
parent 02c5ba1ee9
commit 353661dfe1
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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@ -21,6 +21,7 @@ Required properties:
maxim,max7313
maxim,max7315
ti,pca6107
ti,pca9536
ti,tca6408
ti,tca6416
ti,tca6424

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

@ -861,6 +861,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
{ .compatible = "maxim,max7315", .data = OF_953X( 8, PCA_INT), },
{ .compatible = "ti,pca6107", .data = OF_953X( 8, PCA_INT), },
{ .compatible = "ti,pca9536", .data = OF_953X( 4, 0), },
{ .compatible = "ti,tca6408", .data = OF_953X( 8, PCA_INT), },
{ .compatible = "ti,tca6416", .data = OF_953X(16, PCA_INT), },
{ .compatible = "ti,tca6424", .data = OF_953X(24, PCA_INT), },