linux-kernel - [PATCH 1/2] ARM: dts: Enable USB 3503 hub on exynos5250-snow

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-next>] [day] [month] [year] [list]

Date:	Mon,  5 May 2014 18:00:55 +0530
From:	Vivek Gautam <gautam.vivek@...sung.com>
To:	linux-usb@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, kgene.kim@...sung.com,
	arunkk.samsung@...il.com, Vivek Gautam <gautam.vivek@...sung.com>
Subject: [PATCH 1/2] ARM: dts: Enable USB 3503 hub on exynos5250-snow

The exynos5250-snow has a SMSC USB3503 connected in
hardware only mode like a PHY. Enable support for it,
and add necessary 'reset-gpio' for it.

This is in correspondance to similar patch by Mark Brown
7c1b0ec ARM: dts: Enable USB hub on Arndale

Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
---

Based on 'for-next' branch of kgene's linux-samsung tree.

 arch/arm/boot/dts/exynos5250-pinctrl.dtsi |    7 +++++++
 arch/arm/boot/dts/exynos5250-snow.dts     |   14 ++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
index 9a49e68..bd8c8f1 100644
--- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
+++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
@@ -706,6 +706,13 @@
 			samsung,pin-pud = <0>;
 			samsung,pin-drv = <0>;
 		};
+
+		usb_hub_reset: usb-hub-reset {
+			samsung,pins = "gpe1-0";
+			samsung,pin-function = <1>;
+			samsung,pin-pud = <0>;
+			samsung,pin-drv = <0>;
+		};
 	};
 
 	pinctrl@...10000 {
diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
index 1ce1088..2e48f27 100644
--- a/arch/arm/boot/dts/exynos5250-snow.dts
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -200,6 +200,20 @@
 		samsung,vbus-gpio = <&gpx1 1 0>;
 	};
 
+	usb_hub_bus {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		// SMSC USB3503 connected in hardware only mode as a PHY
+		usb_hub {
+			compatible = "smsc,usb3503a";
+			reset-gpios = <&gpe1 0 1>;
+			pinctrl-0 = <&usb_hub_reset>;
+			pinctrl-names = "default";
+		};
+	};
+
 	fixed-rate-clocks {
 		xxti {
 			compatible = "samsung,clock-xxti";
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/