linux-kernel - [PATCH 1/6] media: dt-bindings: media: sun6i: Separate H3 compatible from A31

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Message-Id: <20181130075849.16941-2-wens@csie.org>
Date:   Fri, 30 Nov 2018 15:58:44 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Yong Deng <yong.deng@...ewell.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Chen-Yu Tsai <wens@...e.org>, linux-media@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/6] media: dt-bindings: media: sun6i: Separate H3 compatible from A31

The CSI controller found on the H3 (and H5) is a reduced version of the
one found on the A31. It only has 1 channel, instead of 4 channels for
time-multiplexed BT.656. Since the H3 is a reduced version, it cannot
"fallback" to a compatible that implements more features than it
supports.

Split out the H3 compatible as a separate entry, with no fallback.

Fixes: b7eadaa3a02a ("media: dt-bindings: media: sun6i: Add A31 and H3
		      compatibles")
Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 Documentation/devicetree/bindings/media/sun6i-csi.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/media/sun6i-csi.txt b/Documentation/devicetree/bindings/media/sun6i-csi.txt
index d4ab34f2240c..cc37cf7fd051 100644
--- a/Documentation/devicetree/bindings/media/sun6i-csi.txt
+++ b/Documentation/devicetree/bindings/media/sun6i-csi.txt
@@ -6,7 +6,7 @@ Allwinner V3s SoC features a CSI module(CSI1) with parallel interface.
 Required properties:
   - compatible: value must be one of:
     * "allwinner,sun6i-a31-csi"
-    * "allwinner,sun8i-h3-csi", "allwinner,sun6i-a31-csi"
+    * "allwinner,sun8i-h3-csi"
     * "allwinner,sun8i-v3s-csi"
   - reg: base address and size of the memory-mapped region.
   - interrupts: interrupt associated to this IP
-- 
2.20.0.rc1