gpio: pca953x: Add NXP PCA9698

Add the NXP PCA9698 40-bit GPIO expander to the supported list.
Note: This only enables GPIO functionality.

Tested-by: Bob Schmitz <bschmitz@xes-inc.com>
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Graeme Smecher <gsmecher@threespeedlogic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 69d1a906f5cc3046c33046dff458832f9ad24a19..9f719273047a048fae10e0099ac0aafde28e3ab4 100644 (file)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -461,7 +461,7 @@ config GPIO_MC9S08DZ60
          Select this to enable the MC9S08DZ60 GPIO driver
 
 config GPIO_PCA953X
-       tristate "PCA953x, PCA955x, PCA957x, TCA64xx, and MAX7310 I/O ports"
+       tristate "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports"
        depends on I2C
        help
          Say yes here to provide access to several register-oriented
@@ -478,7 +478,7 @@ config GPIO_PCA953X
 
          24 bits:      tca6424
 
-         40 bits:      pca9505
+         40 bits:      pca9505, pca9698
 
 config GPIO_PCA953X_IRQ
        bool "Interrupt controller support for PCA953x"

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index cede6f600a6935b34fa1a007fe65b9f92bb90102..dbc95bc72641eba9fe3f2575e9ab2b056e9e053d 100644 (file)
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -59,6 +59,7 @@ static const struct i2c_device_id pca953x_id[] = {
        { "pca9557", 8  | PCA953X_TYPE, },
        { "pca9574", 8  | PCA957X_TYPE | PCA_INT, },
        { "pca9575", 16 | PCA957X_TYPE | PCA_INT, },
+       { "pca9698", 40 | PCA953X_TYPE, },
 
        { "max7310", 8  | PCA953X_TYPE, },
        { "max7312", 16 | PCA953X_TYPE | PCA_INT, },
@@ -812,6 +813,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
        { .compatible = "nxp,pca9557", },
        { .compatible = "nxp,pca9574", },
        { .compatible = "nxp,pca9575", },
+       { .compatible = "nxp,pca9698", },
 
        { .compatible = "maxim,max7310", },
        { .compatible = "maxim,max7312", },