linux-kernel - [PATCH v4 01/11] Documentation: samsung-phy: Add dt bindings for UFS

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Message-id: <1444827351-24128-2-git-send-email-alim.akhtar@samsung.com>
Date:	Wed, 14 Oct 2015 18:25:41 +0530
From:	Alim Akhtar <alim.akhtar@...sung.com>
To:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	JBottomley@...n.com, vinholikatti@...il.com,
	amit.daniel@...sung.com, essuuj@...il.com,
	devicetree@...r.kernel.org, alim.akhtar@...sung.com, arnd@...db.de
Subject: [PATCH v4 01/11] Documentation: samsung-phy: Add dt bindings for UFS

Adds exynos UFS PHY device tree bindings information.

Signed-off-by: Alim Akhtar <alim.akhtar@...sung.com>
---
 .../devicetree/bindings/phy/samsung-phy.txt        |   22 ++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt b/Documentation/devicetree/bindings/phy/samsung-phy.txt
index 60c6f2a633e0..c92ce537ceec 100644
--- a/Documentation/devicetree/bindings/phy/samsung-phy.txt
+++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt
@@ -174,3 +174,25 @@ Example:
 		usbdrdphy0 = &usb3_phy0;
 		usbdrdphy1 = &usb3_phy1;
 	};
+
+Samsung Exynos7 soc series UFS PHY Controller
+---------------------------------------------
+
+UFS PHY nodes are defined to describe on-chip UFS Physical layer controllers.
+Each UFS PHY controller should have its own node.
+
+Required properties:
+- compatible        : compatible should be set to "samsung,exynos7-ufs-phy"
+- reg : offset and length of the UFS PHY register set
+- reg-names : reg name(s) must be 'phy-pma'
+- #phy-cells : must be zero
+- samsung,pmu-syscon : a phandle to the PMU system controller, no arguments
+
+Example:
+	ufs_phy: ufs-phy@...5571800 {
+		compatible = "samsung,exynos7-ufs-phy";
+		reg = <0x15571800 0x240>;
+		reg-names = "phy-pma";
+		samsung,pmu-syscon = <&pmu_system_controller>;
+		#phy-cells = <0>;
+	};
-- 
1.7.10.4

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