dt-bindings: media: Add video support for QCOM SM8550 SoC

Introduce support for Qualcomm new video acceleration hardware i.e.
iris, used for video stream decoding and encoding on QCOM SM8550 SoC.

Cc: devicetree@vger.kernel.org
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345)
Reviewed-by: Stefan Schmidt <stefan.schmidt@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

Documentation/devicetree/bindings/media/qcom,sm8550-iris.yaml

@@ -0,0 +1,158 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/qcom,sm8550-iris.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm iris video encode and decode accelerators
+
+maintainers:
+  - Vikash Garodia <quic_vgarodia@quicinc.com>
+  - Dikshita Agarwal <quic_dikshita@quicinc.com>
+
+description:
+  The iris video processing unit is a video encode and decode accelerator
+  present on Qualcomm platforms.
+
+allOf:
+  - $ref: qcom,venus-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,sm8550-iris
+
+  power-domains:
+    maxItems: 4
+
+  power-domain-names:
+    items:
+      - const: venus
+      - const: vcodec0
+      - const: mxc
+      - const: mmcx
+
+  clocks:
+    maxItems: 3
+
+  clock-names:
+    items:
+      - const: iface
+      - const: core
+      - const: vcodec0_core
+
+  interconnects:
+    maxItems: 2
+
+  interconnect-names:
+    items:
+      - const: cpu-cfg
+      - const: video-mem
+
+  resets:
+    maxItems: 1
+
+  reset-names:
+    items:
+      - const: bus
+
+  iommus:
+    maxItems: 2
+
+  dma-coherent: true
+
+  operating-points-v2: true
+
+  opp-table:
+    type: object
+
+required:
+  - compatible
+  - power-domain-names
+  - interconnects
+  - interconnect-names
+  - resets
+  - reset-names
+  - iommus
+  - dma-coherent
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/clock/qcom,sm8550-gcc.h>
+    #include <dt-bindings/clock/qcom,sm8450-videocc.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interconnect/qcom,icc.h>
+    #include <dt-bindings/interconnect/qcom,sm8550-rpmh.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+    #include <dt-bindings/power/qcom,rpmhpd.h>
+
+    video-codec@aa00000 {
+        compatible = "qcom,sm8550-iris";
+        reg = <0x0aa00000 0xf0000>;
+        interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+
+        power-domains = <&videocc VIDEO_CC_MVS0C_GDSC>,
+                        <&videocc VIDEO_CC_MVS0_GDSC>,
+                        <&rpmhpd RPMHPD_MXC>,
+                        <&rpmhpd RPMHPD_MMCX>;
+        power-domain-names = "venus", "vcodec0", "mxc", "mmcx";
+
+        clocks = <&gcc GCC_VIDEO_AXI0_CLK>,
+                 <&videocc VIDEO_CC_MVS0C_CLK>,
+                 <&videocc VIDEO_CC_MVS0_CLK>;
+        clock-names = "iface", "core", "vcodec0_core";
+
+        interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+                         &config_noc SLAVE_VENUS_CFG QCOM_ICC_TAG_ALWAYS>,
+                        <&mmss_noc MASTER_VIDEO QCOM_ICC_TAG_ALWAYS
+                         &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
+        interconnect-names = "cpu-cfg", "video-mem";
+
+        memory-region = <&video_mem>;
+
+        resets = <&gcc GCC_VIDEO_AXI0_CLK_ARES>;
+        reset-names = "bus";
+
+        iommus = <&apps_smmu 0x1940 0x0000>,
+                 <&apps_smmu 0x1947 0x0000>;
+        dma-coherent;
+
+        operating-points-v2 = <&iris_opp_table>;
+
+        iris_opp_table: opp-table {
+            compatible = "operating-points-v2";
+
+            opp-240000000 {
+                opp-hz = /bits/ 64 <240000000>;
+                required-opps = <&rpmhpd_opp_svs>,
+                                <&rpmhpd_opp_low_svs>;
+            };
+
+            opp-338000000 {
+                opp-hz = /bits/ 64 <338000000>;
+                required-opps = <&rpmhpd_opp_svs>,
+                                <&rpmhpd_opp_svs>;
+            };
+
+            opp-366000000 {
+                opp-hz = /bits/ 64 <366000000>;
+                required-opps = <&rpmhpd_opp_svs_l1>,
+                                <&rpmhpd_opp_svs_l1>;
+            };
+
+            opp-444000000 {
+                opp-hz = /bits/ 64 <444000000>;
+                required-opps = <&rpmhpd_opp_turbo>,
+                                <&rpmhpd_opp_turbo>;
+            };
+
+            opp-533333334 {
+                opp-hz = /bits/ 64 <533333334>;
+                required-opps = <&rpmhpd_opp_turbo_l1>,
+                                <&rpmhpd_opp_turbo_l1>;
+            };
+        };
+    };
+...