diff options
| author | H. Nikolaus Schaller <hns@goldelico.com> | 2018-04-28 18:31:32 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2018-05-16 14:35:24 +0200 |
| commit | 6315d231efdc6ff1f3344e2d3c66dabcf6e7c27f (patch) | |
| tree | c66da7ff64a7fbc99e8e6f247fd1739b12e99050 /drivers/gpio | |
| parent | 0950c19acaaa8f899f715954e2918ff45e5b2fc8 (diff) | |
gpio: pca953x: add more register definitions for pcal953x
PCAL chips ("L" seems to stand for "latched") have additional
registers starting at address 0x40 to control the latches,
interrupt mask, pull-up and pull down etc.
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 b68a8a240e4c..ed58c000c72f 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -41,9 +41,13 @@ #define PCA957X_MSK 0x06 #define PCA957X_INTS 0x07 +#define PCAL953X_OUT_STRENGTH 0x20 #define PCAL953X_IN_LATCH 0x22 +#define PCAL953X_PULL_EN 0x23 +#define PCAL953X_PULL_SEL 0x24 #define PCAL953X_INT_MASK 0x25 #define PCAL953X_INT_STAT 0x26 +#define PCAL953X_OUT_CONF 0x27 #define PCA_GPIO_MASK 0x00FF #define PCA_INT 0x0100 |