diff options
| author | Ian Ray <ian.ray@ge.com> | 2018-11-04 09:19:38 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2018-11-16 05:46:04 +0300 |
| commit | 7dd9c42f2668821141690346ca58ecffdaa281f0 (patch) | |
| tree | b89e01a6bf439bd63565f20c939e11e5c75e961d /arch/arm/boot/dts/imx6q-b850v3.dts | |
| parent | bdccbb79e4f0732ef49d6f2e6fb13cea5879354b (diff) | |
| download | linux-7dd9c42f2668821141690346ca58ecffdaa281f0.tar.xz | |
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>
Diffstat (limited to 'arch/arm/boot/dts/imx6q-b850v3.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx6q-b850v3.dts | 16 |
1 files changed, 16 insertions, 0 deletions
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 { |