From: H. Nikolaus Schaller <hns@goldelico.com>
Date: Sat, 28 Apr 2018 16:31:32 +0000 (+0200)
Subject: gpio: pca953x: add more register definitions for pcal953x
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6315d231efdc6ff1f3344e2d3c66dabcf6e7c27f;p=linux.git

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>
---

diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index b68a8a240e4ce..ed58c000c72f3 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