linux-kernel - [PATCH 01/14] dt-bindings: media: sun4i-csi: Add compatible for CSI1 on A10/A20

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Date:   Mon, 16 Dec 2019 00:59:11 +0800
From:   Chen-Yu Tsai <wens@...nel.org>
To:     Maxime Ripard <mripard@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Chen-Yu Tsai <wens@...nel.org>, linux-media@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chen-Yu Tsai <wens@...e.org>
Subject: [PATCH 01/14] dt-bindings: media: sun4i-csi: Add compatible for CSI1 on A10/A20

From: Chen-Yu Tsai <wens@...e.org>

The CSI1 block has the same structure and layout as the CSI0 block.
Differences include:

  - Only one channel in BT.656 instead of four in CSI0
  - 10-bit raw data input vs 8-bit in CSI0
  - 24-bit RGB888/YUV444 input vs 16-bit RGB565/YUV422 in CSI0
  - No ISP hardware

The hardware found in the A20 is the same as in the A10.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 .../bindings/media/allwinner,sun4i-a10-csi.yaml       | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml
index d3e423fcb6c2..221fe630c7d5 100644
--- a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml
+++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-csi.yaml
@@ -16,7 +16,12 @@ description: |-
 
 properties:
   compatible:
-    const: allwinner,sun7i-a20-csi0
+    oneOf:
+      - const: allwinner,sun4i-a10-csi1
+      - const: allwinner,sun7i-a20-csi0
+      - items:
+        - const: allwinner,sun7i-a20-csi1
+        - const: allwinner,sun4i-a10-csi1
 
   reg:
     maxItems: 1
@@ -25,12 +30,16 @@ properties:
     maxItems: 1
 
   clocks:
+    minItems: 2
+    maxItems: 3
     items:
       - description: The CSI interface clock
       - description: The CSI ISP clock
       - description: The CSI DRAM clock
 
   clock-names:
+    minItems: 2
+    maxItems: 3
     items:
       - const: bus
       - const: isp
-- 
2.24.0