diff options
| author | H. Nikolaus Schaller <hns@goldelico.com> | 2018-05-17 06:59:48 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-05-23 13:49:40 +0200 |
| commit | 394aeef83c7080c9fd850e3479e0cd58e510163b (patch) | |
| tree | 20d538f32e2e38b2d4393053239ee1683980ceb0 /drivers/gpio | |
| parent | 0cdf21b34e3062af8da0a2a1c419654263c21b87 (diff) | |
gpio: pca953x: define masks for addressing common and extended registers
These mask bits are to be used to map the extended register
addresses (which are defined for an unsupported 8-bit pcal chip)
to 16 and 24 bit chips (pcal6524).
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-pca953x.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index ae9b1ed76951..06ef9c36764e 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -56,6 +56,10 @@ #define PCAL6524_DEBOUNCE 0x2d #define PCA_GPIO_MASK 0x00FF + +#define PCAL_GPIO_MASK 0x1f +#define PCAL_PINCTRL_MASK 0xe0 + #define PCA_INT 0x0100 #define PCA_PCAL 0x0200 #define PCA_LATCH_INT (PCA_PCAL | PCA_INT) |