forked from Minki/linux
353661dfe1
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>
43 lines
660 B
Plaintext
43 lines
660 B
Plaintext
* NXP PCA953x I2C GPIO multiplexer
|
|
|
|
Required properties:
|
|
- compatible: Has to contain one of the following:
|
|
nxp,pca9505
|
|
nxp,pca9534
|
|
nxp,pca9535
|
|
nxp,pca9536
|
|
nxp,pca9537
|
|
nxp,pca9538
|
|
nxp,pca9539
|
|
nxp,pca9554
|
|
nxp,pca9555
|
|
nxp,pca9556
|
|
nxp,pca9557
|
|
nxp,pca9574
|
|
nxp,pca9575
|
|
nxp,pca9698
|
|
maxim,max7310
|
|
maxim,max7312
|
|
maxim,max7313
|
|
maxim,max7315
|
|
ti,pca6107
|
|
ti,pca9536
|
|
ti,tca6408
|
|
ti,tca6416
|
|
ti,tca6424
|
|
ti,tca9539
|
|
onsemi,pca9654
|
|
exar,xra1202
|
|
|
|
Example:
|
|
|
|
|
|
gpio@20 {
|
|
compatible = "nxp,pca9505";
|
|
reg = <0x20>;
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pinctrl_pca9505>;
|
|
interrupt-parent = <&gpio3>;
|
|
interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
|
|
};
|