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ARM: dts: imx6q-bx50v3: user-space watchdog GPIO configuration 

Leave b{4,6}50v3 GPIO expander pca953x pins P05,P10,P11 unconfigured as
they are now used to implement an additional watchdog mechanism in user
space.  P10,P11 pins remain unused (and therefore hogged) on b850v3.

Signed-off-by: Ian Ray <ian.ray@ge.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Ian Ray 2018-11-04 08:19:38 +02:00 committed by Shawn Guo
parent bdccbb79e4
commit 7dd9c42f26
4 changed files with 16 additions and 28 deletions
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7
arch/arm/boot/dts/imx6q-b450v3.dts
View File

@ -98,13 +98,6 @@
line-name = "PCA9539-P04";
};
P05 {
gpio-hog;
gpios = <5 0>;
output-low;
line-name = "PCA9539-P05";
};
P07 {
gpio-hog;
gpios = <7 0>;

7
arch/arm/boot/dts/imx6q-b650v3.dts
View File

@ -91,13 +91,6 @@
};
&pca9539 {
P05 {
gpio-hog;
gpios = <5 0>;
output-low;
line-name = "PCA9539-P05";
};
P07 {
gpio-hog;
gpios = <7 0>;

16
arch/arm/boot/dts/imx6q-b850v3.dts
View File

@ -209,6 +209,22 @@
};
};
&pca9539 {
P10 {
gpio-hog;
gpios = <8 0>;
output-low;
line-name = "PCA9539-P10";
};
P11 {
gpio-hog;
gpios = <9 0>;
output-low;
line-name = "PCA9539-P11";
};
};
&pci_root {
/* PLX Technology, Inc. PEX 8605 PCI Express 4-port Gen2 Switch */
bridge@1,0 {

14
arch/arm/boot/dts/imx6q-bx50v3.dtsi
View File

@ -233,20 +233,6 @@
interrupt-parent = <&gpio2>;
interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
P10 {
gpio-hog;
gpios = <8 0>;
output-low;
line-name = "PCA9539-P10";
};
P11 {
gpio-hog;
gpios = <9 0>;
output-low;
line-name = "PCA9539-P11";
};
P12 {
gpio-hog;
gpios = <10 0>;