[PATCH v5 3/7] gpio: pca953x: add more register definitions for pcal6524

["H. Nikolaus Schaller" <hns@xxxxxxxxxxxxx>]

The pcal6524 has another set of registers to fine control
the interrupt handling.

Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
---
 drivers/gpio/gpio-pca953x.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index fecd0e0aba93..2b667166e855 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -49,6 +49,12 @@
 #define PCAL953X_INT_STAT	0x26
 #define PCAL953X_OUT_CONF	0x27
 
+#define PCAL6524_INT_EDGE	0x28
+#define PCAL6524_INT_CLR	0x2a
+#define PCAL6524_IN_STATUS	0x2b
+#define PCAL6524_OUT_INDCONF	0x2c
+#define PCAL6524_DEBOUNCE	0x2d
+
 #define PCA_GPIO_MASK		0x00FF
 #define PCA_INT			0x0100
 #define PCA_PCAL		0x0200
-- 
2.12.2

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