linux-kernel - [PATCHv2] ARM: dts: odroidxu3: Enable USB3 regulators

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Message-Id: <1432906469-3856-1-git-send-email-linux.amoon@gmail.com>
Date:	Fri, 29 May 2015 23:04:29 +0930
From:	Anand Moon <linux.amoon@...il.com>
To:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Anand Moon <linux.amoon@...il.com>
Subject: [PATCHv2] ARM: dts: odroidxu3: Enable USB3 regulators

Enable regulator for usbdrd3_0 and usbdrd3_1.
Looking at the schematic pin diagram for MAX77802
USB3_0 and USB3_1 is regulated by LDO9 and LD011.

Fix the boot message of failed.
[    3.503539] exynos-dwc3 usb@...00000: Looking up vdd33-supply from device tree
[    3.503556] exynos-dwc3 usb@...00000: Looking up vdd33-supply property in node /usb@...00000 failed
[    3.503568] usb@...00000 supply vdd33 not found, using dummy regulator
[    3.509154] exynos-dwc3 usb@...00000: Looking up vdd10-supply from device tree
[    3.509170] exynos-dwc3 usb@...00000: Looking up vdd10-supply property in node /usb@...00000 failed
[    3.509181] usb@...00000 supply vdd10 not found, using dummy regulator
[    3.917548] exynos-dwc3 usb@...00000: Looking up vdd33-supply from device tree
[    3.917565] exynos-dwc3 usb@...00000: Looking up vdd33-supply property in node /usb@...00000 failed
[    3.917578] usb@...00000 supply vdd33 not found, using dummy regulator
[    3.922731] exynos-dwc3 usb@...00000: Looking up vdd10-supply from device tree
[    3.922747] exynos-dwc3 usb@...00000: Looking up vdd10-supply property in node /usb@...00000 failed

---
This patch is based on Krzysztof github branch work-next/odroid-xu3-s2mps11-irq.
v2 - Fixed the comment.
---

Tested-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Signed-off-by: Anand Moon <linux.amoon@...il.com>
---
 arch/arm/boot/dts/exynos5422-odroidxu3.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
index 27014bb..a353a58 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
@@ -513,3 +513,13 @@
 &usbdrd_dwc3_1 {
 	dr_mode = "otg";
 };
+
+&usbdrd3_0 {
+	vdd33-supply = <&ldo9_reg>;
+	vdd10-supply = <&ldo11_reg>;
+};
+
+&usbdrd3_1 {
+	vdd33-supply = <&ldo9_reg>;
+	vdd10-supply = <&ldo11_reg>;
+};
-- 
1.9.1

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