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Message-Id: <1651685100-44687-2-git-send-email-justinpopo6@gmail.com>
Date: Wed, 4 May 2022 10:24:59 -0700
From: Justin Chen <justinpopo6@...il.com>
To: linus.walleij@...aro.org, brgl@...ev.pl, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org
Cc: linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, f.fainelli@...il.com,
Justin Chen <justinpopo6@...il.com>
Subject: [PATCH 1/2] gpio: pca953xx: Add support for pca6408
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@...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 d2fe76f..2d0b080 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
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