Commit 7dd9c42f authored by Ian Ray's avatar Ian Ray Committed by Shawn Guo
Browse files

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: default avatarIan Ray <ian.ray@ge.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent bdccbb79

arch/arm/boot/dts/imx6q-b450v3.dts

+0 −7
Original line number Diff line number Diff line
@@ -98,13 +98,6 @@ P04 { 
		line-name = "PCA9539-P04";

	};



	P05 {

		gpio-hog;

		gpios = <5 0>;

		output-low;

		line-name = "PCA9539-P05";

	};



        P07 {

                gpio-hog;

                gpios = <7 0>;

arch/arm/boot/dts/imx6q-b650v3.dts

+0 −7
Original line number Diff line number Diff line
@@ -91,13 +91,6 @@ lvds0_out: endpoint { 
};



&pca9539 {

	P05 {

		gpio-hog;

		gpios = <5 0>;

		output-low;

		line-name = "PCA9539-P05";

	};



        P07 {

                gpio-hog;

                gpios = <7 0>;

arch/arm/boot/dts/imx6q-b850v3.dts

+16 −0
Original line number Diff line number Diff line
@@ -209,6 +209,22 @@ stdp4028_out: endpoint { 
	};

};



&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 {

arch/arm/boot/dts/imx6q-bx50v3.dtsi

+0 −14
Original line number Diff line number Diff line
@@ -233,20 +233,6 @@ pca9539: pca9539@74 { 
				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>;