diff options
author | Krzysztof Kozlowski <krzk@kernel.org> | 2020-09-17 21:54:47 +0300 |
---|---|---|
committer | Shawn Guo <shawnguo@kernel.org> | 2020-09-22 12:06:04 +0300 |
commit | 5f67317bd967bbdde945ce3a586d3841f8a5bf65 (patch) | |
tree | 3b4b75c31285933c50e85985c7b2215b0877a3ab /arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | |
parent | 1d93b292af67e1848a87991c59be6929187cba23 (diff) | |
download | linux-5f67317bd967bbdde945ce3a586d3841f8a5bf65.tar.xz |
arm64: dts: imx8mm: correct interrupt flags
GPIO_ACTIVE_x flags are not correct in the context of interrupt flags.
These are simple defines so they could be used in DTS but they will not
have the same meaning:
1. GPIO_ACTIVE_HIGH = 0 = IRQ_TYPE_NONE
2. GPIO_ACTIVE_LOW = 1 = IRQ_TYPE_EDGE_RISING
Correct the interrupt flags, assuming the author of the code wanted same
logical behavior behind the name "ACTIVE_xxx", this is:
ACTIVE_LOW => IRQ_TYPE_LEVEL_LOW
ACTIVE_HIGH => IRQ_TYPE_LEVEL_HIGH
In case of level low interrupts, enable also internal pull up. It is
required at least on imx8mm-evk, according to schematics.
The schematics for Variscite imx8mm-var-som are not available and
I was unable to get proper configuration from Variscite.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-By: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi')
-rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index f572b7d207f4..f305a530ff6f 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -123,7 +123,7 @@ reg = <0x4b>; pinctrl-0 = <&pinctrl_pmic>; interrupt-parent = <&gpio1>; - interrupts = <3 GPIO_ACTIVE_LOW>; + interrupts = <3 IRQ_TYPE_LEVEL_LOW>; rohm,reset-snvs-powered; #clock-cells = <0>; @@ -392,7 +392,7 @@ pinctrl_pmic: pmicirqgrp { fsl,pins = < - MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x41 + MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x141 >; }; |