linux-kernel - [PATCH RESEND v7 2/3] dt-bindings: phy: Add documentation for mixel dphy

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Message-Id: <3319783f60fedd7f0029dd60a51c76a75003fe05.1553674604.git.agx@sigxcpu.org>
Date:   Wed, 27 Mar 2019 09:20:00 +0100
From:   Guido Günther <agx@...xcpu.org>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Thierry Reding <treding@...dia.com>,
        Andreas Färber <afaerber@...e.de>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Johan Hovold <johan@...nel.org>,
        Lucas Stach <l.stach@...gutronix.de>,
        Abel Vesa <abel.vesa@....com>, Li Jun <jun.li@....com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org,
        Robert Chiras <robert.chiras@....com>,
        Sam Ravnborg <sam@...nborg.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>
Subject: [PATCH RESEND v7 2/3] dt-bindings: phy: Add documentation for mixel dphy

Add support for the MIXEL DPHY IP as found in the NXP's i.MX8MQ.

Signed-off-by: Guido Günther <agx@...xcpu.org>
Reviewed-by: Sam Ravnborg <sam@...nborg.org>
---
 .../bindings/phy/mixel,mipi-dsi-phy.txt       | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.txt

diff --git a/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.txt b/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.txt
new file mode 100644
index 000000000000..d3646580412a
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.txt
@@ -0,0 +1,29 @@
+Mixel DSI PHY for i.MX8
+
+The Mixel MIPI-DSI PHY IP block is e.g. found on i.MX8 platforms (along the
+MIPI-DSI IP from Northwest Logic). It represents the physical layer for the
+electrical signals for DSI.
+
+Required properties:
+- compatible: Must be:
+  - "mixel,imx8mq-mipi-dphy"
+- clocks: Must contain an entry for each entry in clock-names.
+- clock-names: Must contain the following entries:
+  - "phy_ref": phandle and specifier referring to the DPHY ref clock
+- reg: the register range of the PHY controller
+- #phy-cells: number of cells in PHY, as defined in
+  Documentation/devicetree/bindings/phy/phy-bindings.txt
+  this must be <0>
+
+Optional properties:
+- power-domains: phandle to power domain
+
+Example:
+	mipi_dphy: mipi_dphy@...0030 {
+		compatible = "mixel,imx8mq-mipi-dphy";
+		clocks = <&clk IMX8MQ_CLK_DSI_PHY_REF>;
+		clock-names = "phy_ref";
+		reg = <0x30A00300 0x100>;
+		power-domains = <&pd_mipi0>;
+		#phy-cells = <0>;
+        };
-- 
2.20.1