[PATCH v3 2/5] dt-bindings: media: Add dt-bindings for NPCM Video Capture/Encode Engine

Marvin Lin
2022-05-20T02:48:06Z

Add dt-bindings document for NPCM Video Capture/Encode Engine.

Signed-off-by: Marvin Lin <milkfafa@gmail.com>
---
.../bindings/media/nuvoton,npcm-video.yaml | 87 +++++++++++++++++++
1 file changed, 87 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/nuvoton,npcm-video.yaml

diff --git a/Documentation/devicetree/bindings/media/nuvoton,npcm-video.yaml b/Documentation/devicetree/bindings/media/nuvoton,npcm-video.yaml
new file mode 100644
index 000000000000..b5be7ef09038
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/nuvoton,npcm-video.yaml
@@ -0,0 +1,87 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/nuvoton,npcm-video.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton NPCM Video Capture/Encode Engine Device Tree Bindings
+
+maintainers:
+ - Joseph Liu <kwliu@nuvoton.com>
+ - Marvin Lin <kflin@nuvoton.com>
+
+description: |
+ Video Capture/Differentiation Engine (VCD) and Encoding Compression Engine
+ (ECE) present on Nuvoton NPCM SoCs.
+
+properties:
+ compatible:
+ enum:
+ - nuvoton,npcm750-video
+ - nuvoton,npcm845-video
+
+ reg:
+ items:
+ - description: VCD registers
+ - description: ECE registers
+
+ reg-names:
+ items:
+ - const: vcd
+ - const: ece
+
+ interrupts:
+ maxItems: 1
+
+ resets:
+ items:
+ - description: VCD reset control
+ - description: ECE reset control
+
+ reset-names:
+ items:
+ - const: vcd
+ - const: ece
+
+ nuvoton,syscon-gcr:
+ $ref: /schemas/types.yaml#definitions/phandle
+ description: Phandle to the Global Control Register DT node
+
+ nuvoton,syscon-gfxi:
+ $ref: /schemas/types.yaml#definitions/phandle
+ description: Phandle to the Graphics Core Information DT node
+
+ memory-region:
+ description:
+ CMA pool to use for buffers allocation instead of the default CMA pool.
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - interrupts
+ - resets
+ - reset-names
+ - nuvoton,syscon-gcr
+ - nuvoton,syscon-gfxi
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/reset/nuvoton,npcm7xx-reset.h>
+
+ video: video@f0810000 {
+ compatible = "nuvoton,npcm750-video";
+ reg = <0xf0810000 0x10000>,
+ <0xf0820000 0x2000>;
+ reg-names = "vcd", "ece";
+ interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
+ resets = <&rstc NPCM7XX_RESET_IPSRST2 NPCM7XX_RESET_VCD>,
+ <&rstc NPCM7XX_RESET_IPSRST2 NPCM7XX_RESET_ECE>;
+ reset-names = "vcd", "ece";
+ nuvoton,syscon-gcr = <&gcr>;
+ nuvoton,syscon-gfxi = <&gfxi>;
+ };
--
2.17.1