linux-kernel - [PATCH 7/8] ARM: dts: imx7[d]-mba7: add Ethernet PHY IRQ support

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Message-Id: <20241108134926.1324626-8-alexander.stein@ew.tq-group.com>
Date: Fri,  8 Nov 2024 14:49:25 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Russell King <linux@...linux.org.uk>,
	João Rodrigues <jrodrigues@...met.com>,
	Bruno Thomsen <bruno.thomsen@...il.com>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	linux@...tq-group.com,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 7/8] ARM: dts: imx7[d]-mba7: add Ethernet PHY IRQ support

The regulator-fec*-pwdn regulators were used to deassert the PWDN signal
of ethernet PHY, e.g. not powering. This is not necessary as the line
has a pull-up already.
Instead of the combo pad of the PHY for IRQ support.

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi | 23 ++---------------------
 arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts |  3 ++-
 2 files changed, 4 insertions(+), 22 deletions(-)

diff --git a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
index 304281681abfe..576a7df505d3b 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
@@ -87,26 +87,6 @@ iio-hwmon {
 			      <&adc2 0>, <&adc2 1>, <&adc2 2>, <&adc2 3>;
 	};
 
-	reg_fec1_pwdn: regulator-fec1-pwdn {
-		compatible = "regulator-fixed";
-		regulator-name = "PWDN_FEC1";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-		regulator-always-on;
-		gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
-		enable-active-high;
-	};
-
-	reg_fec2_pwdn: regulator-fec2-pwdn {
-		compatible = "regulator-fixed";
-		regulator-name = "PWDN_FEC2";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-		regulator-always-on;
-		gpio = <&gpio2 31 GPIO_ACTIVE_HIGH>;
-		enable-active-high;
-	};
-
 	reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
 		compatible = "regulator-fixed";
 		regulator-name = "VBUS_USBOTG1";
@@ -231,7 +211,6 @@ &fec1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_enet1>;
 	phy-mode = "rgmii-id";
-	phy-supply = <&reg_fec1_pwdn>;
 	phy-handle = <&ethphy1_0>;
 	fsl,magic-packet;
 	status = "okay";
@@ -252,6 +231,8 @@ ethphy1_0: ethernet-phy@0 {
 			reset-gpios = <&gpio7 15 GPIO_ACTIVE_LOW>;
 			reset-assert-us = <1000>;
 			reset-deassert-us = <500>;
+			interrupt-parent = <&gpio1>;
+			interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
 		};
 	};
 };
diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts b/arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts
index 0443faa3dfae4..e3ee16f1aaa96 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx7d-mba7.dts
@@ -21,7 +21,6 @@ &fec2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_enet2>;
 	phy-mode = "rgmii-id";
-	phy-supply = <&reg_fec2_pwdn>;
 	phy-handle = <&ethphy2_0>;
 	fsl,magic-packet;
 	status = "okay";
@@ -42,6 +41,8 @@ ethphy2_0: ethernet-phy@0 {
 			reset-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
 			reset-assert-us = <1000>;
 			reset-deassert-us = <500>;
+			interrupt-parent = <&gpio2>;
+			interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
 		};
 	};
 };
-- 
2.34.1