linux-kernel - [PATCH 1/4] dt-bindings: soc: visconti: Add Toshiba Visconti AFFINE image processing accelerator bindings

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Message-Id: <20220419072018.30057-2-yuji2.ishikawa@toshiba.co.jp>
Date:   Tue, 19 Apr 2022 16:20:15 +0900
From:   Yuji Ishikawa <yuji2.ishikawa@...hiba.co.jp>
To:     Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König <christian.koenig@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org, yuji2.ishikawa@...hiba.co.jp
Subject: [PATCH 1/4] dt-bindings: soc: visconti: Add Toshiba Visconti AFFINE image processing accelerator bindings

Adds the Device Tree binding documentation that allows to describe
the AFFINE image processing accelerator found in Toshiba Visconti SoCs.

Signed-off-by: Yuji Ishikawa <yuji2.ishikawa@...hiba.co.jp>
Reviewed-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
---
 .../soc/visconti/toshiba,visconti-affine.yaml | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/visconti/toshiba,visconti-affine.yaml

diff --git a/Documentation/devicetree/bindings/soc/visconti/toshiba,visconti-affine.yaml b/Documentation/devicetree/bindings/soc/visconti/toshiba,visconti-affine.yaml
new file mode 100644
index 000000000..a446e1c4f
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/visconti/toshiba,visconti-affine.yaml
@@ -0,0 +1,53 @@
+# SPDX-LIcense-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/visconti/toshiba,visconti-affine.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Toshiba Visconti AFFINE image processing accelerator
+
+maintainers:
+  - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
+
+description: |
+  Toshiba Visconti AFFINE image processing accelerator provides affine transform, lens undistortion and LUT transform.
+  Visconti5 have up to 2 AFFINE units.
+
+properties:
+  compatible:
+    items:
+      - const: toshiba,visconti-affine
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  index:
+    enum: [0, 1]
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - index
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        affine0: affine@...00000 {
+            compatible = "toshiba,visconti-affine";
+            reg = <0 0x14000000 0 0x8000>;
+            interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>;
+            index = <0>;
+            status = "disabled";
+        };
+    };
-- 
2.17.1