linux-kernel - [PATCH 1/2] gpio: pca953x: add support for TCA9538

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Message-Id: <20230824-tca9538-v1-1-ee3bf2065065@gmail.com>
Date:   Thu, 24 Aug 2023 19:16:25 -0400
From:   Liam Beguin <liambeguin@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Shevchenko <andy@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        devicetree@...r.kernel.org, Liam Beguin <liambeguin@...il.com>
Subject: [PATCH 1/2] gpio: pca953x: add support for TCA9538

The TCA9538 is an 8 bit version of the already supported TCA9539.
This chip also has interrupt support.

Signed-off-by: Liam Beguin <liambeguin@...il.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 a806a3c1b801..71a750363738 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -108,6 +108,7 @@ 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, },
+	{ "tca9538", 8  | PCA953X_TYPE | PCA_INT, },
 	{ "tca9539", 16 | PCA953X_TYPE | PCA_INT, },
 	{ "tca9554", 8  | PCA953X_TYPE | PCA_INT, },
 	{ "xra1202", 8  | PCA953X_TYPE },
@@ -1354,6 +1355,7 @@ static const struct of_device_id pca953x_dt_ids[] = {
 	{ .compatible = "ti,tca6408", .data = OF_953X( 8, PCA_INT), },
 	{ .compatible = "ti,tca6416", .data = OF_953X(16, PCA_INT), },
 	{ .compatible = "ti,tca6424", .data = OF_953X(24, PCA_INT), },
+	{ .compatible = "ti,tca9538", .data = OF_953X( 8, PCA_INT), },
 	{ .compatible = "ti,tca9539", .data = OF_953X(16, PCA_INT), },
 
 	{ .compatible = "onnn,cat9554", .data = OF_953X( 8, PCA_INT), },

-- 
2.39.0