gpio/pca953x: Add TI TCA9539 support
diff mbox

Message ID 1441812202-1915-1-git-send-email-thierry.reding@gmail.com
State New
Headers show

Commit Message

Thierry Reding Sept. 9, 2015, 3:23 p.m. UTC
From: Thierry Reding <treding@nvidia.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@nvidia.com>
---
 drivers/gpio/gpio-pca953x.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Linus Walleij Sept. 25, 2015, 5:17 p.m. UTC | #1
On Wed, Sep 9, 2015 at 8:23 AM, Thierry Reding <thierry.reding@gmail.com> wrote:

> From: Thierry Reding <treding@nvidia.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@nvidia.com>

Looks good! But:

> +       { .compatible = "ti,tca9539", },

You forgot to patch Documentation/devicetree/bindings/gpio/gpio-pca953x.txt

Fix that and I'll apply it.

Yours,
Linus Walleij
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Patch
diff mbox

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", },
 	{ }