From 7dd9c42f2668821141690346ca58ecffdaa281f0 Mon Sep 17 00:00:00 2001 From: Ian Ray Date: Sun, 4 Nov 2018 08:19:38 +0200 Subject: [PATCH] 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 Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx6q-b450v3.dts | 7 ------- arch/arm/boot/dts/imx6q-b650v3.dts | 7 ------- arch/arm/boot/dts/imx6q-b850v3.dts | 16 ++++++++++++++++ arch/arm/boot/dts/imx6q-bx50v3.dtsi | 14 -------------- 4 files changed, 16 insertions(+), 28 deletions(-) diff --git a/arch/arm/boot/dts/imx6q-b450v3.dts b/arch/arm/boot/dts/imx6q-b450v3.dts index 3ec58500e9c2..95b8f2d71821 100644 --- a/arch/arm/boot/dts/imx6q-b450v3.dts +++ b/arch/arm/boot/dts/imx6q-b450v3.dts @@ -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>; diff --git a/arch/arm/boot/dts/imx6q-b650v3.dts b/arch/arm/boot/dts/imx6q-b650v3.dts index 5650a9b11091..611cb7ae7e55 100644 --- a/arch/arm/boot/dts/imx6q-b650v3.dts +++ b/arch/arm/boot/dts/imx6q-b650v3.dts @@ -91,13 +91,6 @@ }; &pca9539 { - P05 { - gpio-hog; - gpios = <5 0>; - output-low; - line-name = "PCA9539-P05"; - }; - P07 { gpio-hog; gpios = <7 0>; diff --git a/arch/arm/boot/dts/imx6q-b850v3.dts b/arch/arm/boot/dts/imx6q-b850v3.dts index 044a5bebe1c5..e4cb118f88c6 100644 --- a/arch/arm/boot/dts/imx6q-b850v3.dts +++ b/arch/arm/boot/dts/imx6q-b850v3.dts @@ -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 { diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi index d3cba09be0cb..fa27dcdf06f1 100644 --- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi +++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi @@ -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>; -- 2.25.1