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Date: Wed, 9 Sep 2015 17:23:22 +0200
From: Thierry Reding <thierry.reding@...il.com>
To: Linus Walleij <linus.walleij@...aro.org>,
Alexandre Courbot <gnurou@...il.com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] gpio/pca953x: Add TI TCA9539 support
From: Thierry Reding <treding@...dia.com>
The TCA9539 is almost identical to the PCA9555 and software-compatible
with this driver. It exposes 16 general purpose I/O pins in two 8-bit
configurations.
Signed-off-by: Thierry Reding <treding@...dia.com>
---
drivers/gpio/gpio-pca953x.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 50caeb1ee350..b28791279173 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -67,6 +67,7 @@ static const struct i2c_device_id pca953x_id[] = {
{ "tca6408", 8 | PCA953X_TYPE | PCA_INT, },
{ "tca6416", 16 | PCA953X_TYPE | PCA_INT, },
{ "tca6424", 24 | PCA953X_TYPE | PCA_INT, },
+ { "tca9539", 16 | PCA953X_TYPE | PCA_INT, },
{ "xra1202", 8 | PCA953X_TYPE },
{ }
};
@@ -754,6 +755,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
{ .compatible = "ti,tca6408", },
{ .compatible = "ti,tca6416", },
{ .compatible = "ti,tca6424", },
+ { .compatible = "ti,tca9539", },
{ .compatible = "exar,xra1202", },
{ }
--
2.5.0
--
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