linux-kernel - [PATCH 4/4] ARM: dts: exynos: disable pull up of USB 3.0 over-current on Odroid XU

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20201015182044.480562-4-krzk@kernel.org>
Date:   Thu, 15 Oct 2020 20:20:44 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Rob Herring <robh+dt@...nel.org>, Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Gabriel Ribba Esteva <gabriel.ribbae@...il.com>
Subject: [PATCH 4/4] ARM: dts: exynos: disable pull up of USB 3.0 over-current on Odroid XU

The Odroid XU has external pull ups for USB 3.0 over-current pins, so
disable the internal one.

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 arch/arm/boot/dts/exynos5410-odroidxu.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5410-odroidxu.dts b/arch/arm/boot/dts/exynos5410-odroidxu.dts
index 6cc4d4653f84..27f079d33eb1 100644
--- a/arch/arm/boot/dts/exynos5410-odroidxu.dts
+++ b/arch/arm/boot/dts/exynos5410-odroidxu.dts
@@ -638,6 +638,16 @@ &tmu_cpu3 {
 	vtmu-supply = <&ldo10_reg>;
 };
 
+&usb3_0_oc {
+	/* External pull up */
+	samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+};
+
+&usb3_1_oc {
+	/* External pull up */
+	samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+};
+
 &usbdrd_dwc3_0 {
 	dr_mode = "peripheral";
 };
-- 
2.25.1