linux-kernel - [PATCH v3 10/15] dt-bindings: display: Add max-memory-bandwidth property for mxsfb

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Message-Id: <1566382555-12102-11-git-send-email-robert.chiras@nxp.com>
Date:   Wed, 21 Aug 2019 13:15:50 +0300
From:   Robert Chiras <robert.chiras@....com>
To:     Guido Günther <agx@...xcpu.org>,
        Marek Vasut <marex@...x.de>, Stefan Agner <stefan@...er.ch>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>
Cc:     Pengutronix Kernel Team <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 10/15] dt-bindings: display: Add max-memory-bandwidth property for mxsfb

Add new optional property 'max-memory-bandwidth', to limit the maximum
bandwidth used by the MXSFB_DRM driver.

Signed-off-by: Robert Chiras <robert.chiras@....com>
---
 Documentation/devicetree/bindings/display/mxsfb.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/mxsfb.txt b/Documentation/devicetree/bindings/display/mxsfb.txt
index 472e1ea..c8dca50 100644
--- a/Documentation/devicetree/bindings/display/mxsfb.txt
+++ b/Documentation/devicetree/bindings/display/mxsfb.txt
@@ -14,6 +14,11 @@ Required properties:
     - "pix" for the LCDIF block clock
     - (MX6SX-only) "axi", "disp_axi" for the bus interface clock
 
+Optional properties:
+- max-memory-bandwidth: maximum bandwidth in bytes per second that the
+	controller can handle; if not present, the memory
+	interface is fast enough to handle all possible video modes
+
 Required sub-nodes:
   - port: The connection to an encoder chip.
 
-- 
2.7.4