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From:   Justin Chen <justinpopo6@gmail.com>
To:     linus.walleij@linaro.org, brgl@bgdev.pl, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org
Cc:     linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, f.fainelli@gmail.com,
        justinpopo6@gmail.com
Subject: [PATCH v2 1/2] gpio: pca953xx: Add support for pca6408
Date:   Wed,  4 May 2022 15:29:16 -0700
Message-Id: <1651703357-25154-2-git-send-email-justinpopo6@gmail.com>
In-Reply-To: <1651703357-25154-1-git-send-email-justinpopo6@gmail.com>
References: <1651703357-25154-1-git-send-email-justinpopo6@gmail.com>
Precedence: bulk

Add support for pca6408 which is the 8-bit version of the pca6416.

https://www.nxp.com/docs/en/data-sheet/PCA6408A.pdf

Signed-off-by: Justin Chen <justinpopo6@gmail.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 d2fe76f..4909175 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -71,6 +71,7 @@
 #define PCA_CHIP_TYPE(x)	((x) & PCA_TYPE_MASK)
 
 static const struct i2c_device_id pca953x_id[] = {
+	{ "pca6408", 8  | PCA953X_TYPE | PCA_INT, },
 	{ "pca6416", 16 | PCA953X_TYPE | PCA_INT, },
 	{ "pca9505", 40 | PCA953X_TYPE | PCA_INT, },
 	{ "pca9506", 40 | PCA953X_TYPE | PCA_INT, },
@@ -1198,6 +1199,7 @@ static int pca953x_resume(struct device *dev)
 #define OF_957X(__nrgpio, __int) (void *)(__nrgpio | PCA957X_TYPE | __int)
 
 static const struct of_device_id pca953x_dt_ids[] = {
+	{ .compatible = "nxp,pca6408", .data = OF_953X(8, PCA_INT), },
 	{ .compatible = "nxp,pca6416", .data = OF_953X(16, PCA_INT), },
 	{ .compatible = "nxp,pca9505", .data = OF_953X(40, PCA_INT), },
 	{ .compatible = "nxp,pca9506", .data = OF_953X(40, PCA_INT), },
-- 
2.7.4