linux-kernel - [PATCH V4 2/4] dt-bindings: media: venus: Add sc7180 DT schema

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Message-Id: <1579006416-11599-3-git-send-email-dikshita@codeaurora.org>
Date:   Tue, 14 Jan 2020 18:23:34 +0530
From:   Dikshita Agarwal <dikshita@...eaurora.org>
To:     linux-media@...r.kernel.org, stanimir.varbanov@...aro.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, vgarodia@...eaurora.org,
        Dikshita Agarwal <dikshita@...eaurora.org>
Subject: [PATCH V4 2/4] dt-bindings: media: venus: Add sc7180 DT schema

Add new qcom,sc7180-venus DT binding schema.

Signed-off-by: Dikshita Agarwal <dikshita@...eaurora.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
---
 .../bindings/media/qcom,sc7180-venus.yaml          | 144 +++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/qcom,sc7180-venus.yaml

diff --git a/Documentation/devicetree/bindings/media/qcom,sc7180-venus.yaml b/Documentation/devicetree/bindings/media/qcom,sc7180-venus.yaml
new file mode 100644
index 0000000..7b6a8fb
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/qcom,sc7180-venus.yaml
@@ -0,0 +1,144 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/media/qcom,sc7180-venus.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm Venus video encode and decode accelerators
+
+maintainers:
+  - Stanimir Varbanov <stanimir.varbanov@...aro.org>
+
+description: |
+  The Venus IP is a video encode and decode accelerator present
+  on Qualcomm platforms
+
+properties:
+  compatible:
+    const: qcom,sc7180-venus
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 2
+
+  power-domain-names:
+    items:
+      - const: venus
+      - const: vcodec0
+
+  clocks:
+    maxItems: 5
+
+  clock-names:
+    items:
+      - const: core
+      - const: iface
+      - const: bus
+      - const: vcodec0_core
+      - const: vcodec0_bus
+
+  iommus:
+    maxItems: 1
+
+  memory-region:
+    maxItems: 1
+
+  interconnects:
+    maxItems: 2
+
+  interconnect-names:
+    items:
+      - const: video-mem
+      - const: cpu-cfg
+
+  video-decoder:
+    type: object
+
+    properties:
+      compatible:
+        const: venus-decoder
+
+    required:
+      - compatible
+
+    additionalProperties: false
+
+  video-encoder:
+    type: object
+
+    properties:
+      compatible:
+        const: venus-encoder
+
+    required:
+      - compatible
+
+    additionalProperties: false
+
+  video-firmware:
+    type: object
+
+    description: |
+      Firmware subnode is needed when the platform does not
+      have TrustZone.
+
+    properties:
+      iommus:
+        maxItems: 1
+
+    required:
+      - iommus
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - power-domains
+  - power-domain-names
+  - clocks
+  - clock-names
+  - iommus
+  - memory-region
+  - video-decoder
+  - video-encoder
+
+examples:
+  - |
+        #include <dt-bindings/interrupt-controller/arm-gic.h>
+        #include <dt-bindings/clock/qcom,videocc-sc7180.h>
+
+        venus: video-codec@...0000 {
+                compatible = "qcom,sc7180-venus";
+                reg = <0 0x0aa00000 0 0xff000>;
+                interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+                power-domains = <&videocc VENUS_GDSC>,
+                                <&videocc VCODEC0_GDSC>;
+                power-domain-names = "venus", "vcodec0";
+                clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
+                         <&videocc VIDEO_CC_VENUS_AHB_CLK>,
+                         <&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
+                         <&videocc VIDEO_CC_VCODEC0_CORE_CLK>,
+                         <&videocc VIDEO_CC_VCODEC0_AXI_CLK>;
+                clock-names = "core", "iface", "bus",
+                              "vcodec0_core", "vcodec0_bus";
+                iommus = <&apps_smmu 0x0c00 0x60>;
+                memory-region = <&venus_mem>;
+
+                interconnects = <&mmss_noc MASTER_VIDEO_P0 &mc_virt SLAVE_EBI1>,
+                                <&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_VENUS_CFG>;
+                interconnect-names = "video-mem", "cpu-cfg";
+
+                video-decoder {
+                        compatible = "venus-decoder";
+                };
+
+                video-encoder {
+                        compatible = "venus-encoder";
+                };
+        };
-- 
1.9.1