Commit 394aeef8 authored May 17, 2018 by H. Nikolaus Schaller Committed by Linus Walleij May 23, 2018

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>

parent 0cdf21b3

drivers/gpio/gpio-pca953x.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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)

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