linux-kernel - [PatchV2 2/2] ARM64: dts: meson-gxbb-odroidc2: Fix usb phy reset warning

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Date:   Sun, 13 Jan 2019 15:30:22 +0000
From:   Anand Moon <linux.amoon@...il.com>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>
Subject: [PatchV2 2/2] ARM64: dts: meson-gxbb-odroidc2: Fix usb phy reset warning

Add missing vin-supply node 5.0V regulator setting to power
to usb ports, changes help fix the usb reset warning.

[  795.380156] usb 1-1.2: reset high-speed USB device number 3 using dwc2
[  798.356073] usb 1-1.2: reset high-speed USB device number 3 using dwc2
[  801.331999] usb 1-1.2: reset high-speed USB device number 3 using dwc2
[  804.307919] usb 1-1.2: reset high-speed USB device number 3 using dwc2
[  807.283844] usb 1-1.2: reset high-speed USB device number 3 using dwc2

Fixes: 5a0803bd5ae (ARM64: dts: meson-gxbb-odroidc2: Enable USB Nodes)
Tested-by: Kevin Hilman <khilman@...libre.com>
Cc: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: Jerome Brunet <jbrunet@...libre.com>
Cc: Neil Armstrong <narmstrong@...libre.com>
Signed-off-by: Anand Moon <linux.amoon@...il.com>
---
Rebased on Kevin's amlogic/v5.0/fixes branch
Changes from patch v1 [0] https://lore.kernel.org/patchwork/patch/1031243/
- Split the patch into two part: new patch
- Fix the commit message
- Added Tested by Kevin Hilman
---
 arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
index 25a36d117183..a947b46bfaa8 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
@@ -28,6 +28,13 @@
 		reg = <0x0 0x0 0x0 0x80000000>;
 	};
 
+	p5v0: regulator-p5v0 {
+		compatible = "regulator-fixed";
+		regulator-name = "P5V0";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
 	usb_otg_pwr: regulator-usb-pwrs {
 		compatible = "regulator-fixed";
 
@@ -36,6 +43,8 @@
 		regulator-min-microvolt = <5000000>;
 		regulator-max-microvolt = <5000000>;
 
+		vin-supply = <&p5v0>;
+
 		gpio = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};
-- 
2.20.1