linux-kernel - [V2, 2/5] Documentation: dt-bindings: Document the Synopsys MIPI DPHY Rx bindings

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Message-Id: <20180920111648.27000-3-lolivei@synopsys.com>
Date:   Thu, 20 Sep 2018 13:16:40 +0200
From:   Luis Oliveira <Luis.Oliveira@...opsys.com>
To:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Joao.Pinto@...opsys.com, festevam@...il.com,
        Luis Oliveira <Luis.Oliveira@...opsys.com>,
        Luis Oliveira <luis.oliveira@...opsys.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
        Arnd Bergmann <arnd@...db.de>,
        Jacob Chen <jacob-chen@...wrt.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Keiichi Watanabe <keiichiw@...omium.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Todor Tomov <todor.tomov@...aro.org>,
        devicetree@...r.kernel.org
Subject: [V2, 2/5] Documentation: dt-bindings: Document the Synopsys MIPI DPHY Rx bindings

Add device-tree bindings documentation for SNPS DesignWare MIPI D-PHY in
RX mode.

Signed-off-by: Luis Oliveira <lolivei@...opsys.com>
---
Changelog
v2:
- no changes

 .../devicetree/bindings/phy/snps,dphy-rx.txt       | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/snps,dphy-rx.txt

diff --git a/Documentation/devicetree/bindings/phy/snps,dphy-rx.txt b/Documentation/devicetree/bindings/phy/snps,dphy-rx.txt
new file mode 100644
index 0000000..9079f4a
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/snps,dphy-rx.txt
@@ -0,0 +1,36 @@
+Synopsys DesignWare MIPI Rx D-PHY block details
+
+Description
+-----------
+
+The Synopsys MIPI D-PHY controller supports MIPI-DPHY in receiver mode.
+Please refer to phy-bindings.txt for more information.
+
+Required properties:
+- compatible		: Shall be "snps,dphy-rx".
+- #phy-cells		: Must be 1.
+- snps,dphy-frequency	: Output frequency of the D-PHY.
+- snps,dphy-te-len	: Size of the communication interface (8 bits->8 or 12bits->12).
+- reg			: Physical base address and size of the device memory mapped
+		 	  registers;
+
+Optional properties:
+- snps,compat-mode	: Compatibility mode control
+
+The per-board settings:
+- gpios 		: Synopsys testchip used as reference uses this to change setup
+		  	  configurations.
+
+Example:
+
+	mipi_dphy_rx1: dphy@...0 {
+		compatible = "snps,dphy-rx";
+		#phy-cells = <1>;
+		snps,dphy-frequency = <300000>;
+		snps,dphy-te-len = <12>;
+		snps,compat-mode = <1>;
+		reg = < 0x03040 0x20
+			0x08000 0x100
+			0x09000 0x100>;
+	};
+
-- 
2.9.3