linux-kernel - [PATCH 5/8] media: dt-bindings: media: Add Allwinner A83T Rotate driver

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Date:   Sat, 25 Jan 2020 00:20:11 +0100
From:   Jernej Skrabec <jernej.skrabec@...l.net>
To:     mripard@...nel.org, wens@...e.org
Cc:     mchehab@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        mturquette@...libre.com, sboyd@...nel.org,
        hverkuil-cisco@...all.nl, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: [PATCH 5/8] media: dt-bindings: media: Add Allwinner A83T Rotate driver

Some Allwinner SoCs like A83T and A64 contain rotate core which can
rotate and flip images.

Add a binding for it.

Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
---
 .../allwinner,sun8i-a83t-de2-rotate.yaml      | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun8i-a83t-de2-rotate.yaml

diff --git a/Documentation/devicetree/bindings/media/allwinner,sun8i-a83t-de2-rotate.yaml b/Documentation/devicetree/bindings/media/allwinner,sun8i-a83t-de2-rotate.yaml
new file mode 100644
index 000000000000..75196d11da58
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/allwinner,sun8i-a83t-de2-rotate.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/allwinner,sun8i-a83t-de2-rotate.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A83T DE2 Rotate Device Tree Bindings
+
+maintainers:
+  - Jernej Skrabec <jernej.skrabec@...l.net>
+  - Chen-Yu Tsai <wens@...e.org>
+  - Maxime Ripard <mripard@...nel.org>
+
+description: |-
+  The Allwinner A83T and A64 have a rotation core used for
+  rotating and flipping images.
+
+properties:
+  compatible:
+    oneOf:
+      - const: allwinner,sun8i-a83t-de2-rotate
+      - items:
+        - const: allwinner,sun50i-a64-de2-rotate
+        - const: allwinner,sun8i-a83t-de2-rotate
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Rotate interface clock
+      - description: Rotate module clock
+
+  clock-names:
+    items:
+      - const: bus
+      - const: mod
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/sun8i-de2.h>
+    #include <dt-bindings/reset/sun8i-de2.h>
+
+    rotate: rotate@...0000 {
+        compatible = "allwinner,sun8i-a83t-de2-rotate";
+        reg = <0x1020000 0x10000>;
+        interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&display_clocks CLK_BUS_ROT>,
+                 <&display_clocks CLK_ROT>;
+        clock-names = "bus",
+                      "mod";
+        resets = <&display_clocks RST_ROT>;
+    };
+
+...
-- 
2.25.0