From: Krzysztof Kozlowski <krzk@kernel.org>
To: Rob Herring <robh+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
Adam Ford <aford173@gmail.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
Anson Huang <Anson.Huang@nxp.com>, Jacky Bai <ping.bai@nxp.com>,
Robin Gong <yibin.gong@nxp.com>, Peter Chen <peter.chen@nxp.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Tim Harvey <tharvey@gateworks.com>
Subject: [PATCH v2 3/4] arm64: dts: imx8mn: correct interrupt flags
Date: Thu, 17 Sep 2020 20:54:48 +0200 [thread overview]
Message-ID: <20200917185449.5687-3-krzk@kernel.org> (raw)
In-Reply-To: <20200917185449.5687-1-krzk@kernel.org>
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
For level low interrupts, enable also internal pull up. It is
required at least on imx8mm-evk, according to schematics.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
Not tested on HW.
Changes since v1:
1. Correct title.
2. Enable pull ups.
---
arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts | 4 ++--
arch/arm64/boot/dts/freescale/imx8mn-evk.dts | 3 ++-
arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi | 2 +-
3 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
index 8f7155716c84..b0e8cb256a78 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
@@ -55,7 +55,7 @@
reg = <0x4b>;
pinctrl-0 = <&pinctrl_pmic>;
interrupt-parent = <&gpio1>;
- interrupts = <3 GPIO_ACTIVE_LOW>;
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
rohm,reset-snvs-powered;
regulators {
@@ -157,7 +157,7 @@
&iomuxc {
pinctrl_pmic: pmicirqgrp {
fsl,pins = <
- MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x41
+ MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x141
>;
};
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
index b846526a8d8b..707d8486b4d8 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts
@@ -7,6 +7,7 @@
#include "imx8mn.dtsi"
#include "imx8mn-evk.dtsi"
+#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "NXP i.MX8MNano EVK board";
@@ -19,7 +20,7 @@
reg = <0x25>;
pinctrl-0 = <&pinctrl_pmic>;
interrupt-parent = <&gpio1>;
- interrupts = <3 GPIO_ACTIVE_LOW>;
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
regulators {
buck1: BUCK1{
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
index 7f4b904e9982..4aa0dbd578df 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dtsi
@@ -225,7 +225,7 @@
pinctrl_pmic: pmicirqgrp {
fsl,pins = <
- MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x41
+ MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x141
>;
};
--
2.17.1
next prev parent reply other threads:[~2020-09-17 18:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-17 18:54 [PATCH v2 1/4] ARM: dts: imx6qdl-gw5xxx: correct interrupt flags Krzysztof Kozlowski
2020-09-17 18:54 ` [PATCH v2 2/4] arm64: dts: imx8mm: " Krzysztof Kozlowski
2020-09-17 18:54 ` Krzysztof Kozlowski [this message]
2020-09-17 18:54 ` [PATCH v2 4/4] arm64: dts: imx8mq: " Krzysztof Kozlowski
2020-09-17 21:07 ` [PATCH v2 1/4] ARM: dts: imx6qdl-gw5xxx: " Tim Harvey
2020-09-22 6:40 ` Shawn Guo
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