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Subject[PATCH v19 1/4] dt-binding: mediatek: add bindings for MediaTek MDP3 components
Date
This patch adds DT binding documents for Media Data Path 3 (MDP3)
a unit in multimedia system combined with several components and
used for scaling and color format convert.

Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../bindings/media/mediatek,mdp3-rdma.yaml | 85 +++++++++++++++++++
.../bindings/media/mediatek,mdp3-rsz.yaml | 65 ++++++++++++++
.../bindings/media/mediatek,mdp3-wrot.yaml | 70 +++++++++++++++
3 files changed, 220 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-rsz.yaml
create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-wrot.yaml

diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
new file mode 100644
index 000000000000..4fe704e476dc
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-rdma.yaml
@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/mediatek,mdp3-rdma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek Read Direct Memory Access
+
+maintainers:
+ - Matthias Brugger <matthias.bgg@gmail.com>
+ - Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+
+description: |
+ Mediatek Read Direct Memory Access(RDMA) component used to do read DMA.
+ It contains one line buffer to store the sufficient pixel data, and
+ must be siblings to the central MMSYS_CONFIG node.
+ For a description of the MMSYS_CONFIG binding, see
+ Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
+ for details.
+
+properties:
+ compatible:
+ items:
+ - const: mediatek,mt8183-mdp3-rdma
+
+ reg:
+ maxItems: 1
+
+ mediatek,gce-client-reg:
+ $ref: '/schemas/types.yaml#/definitions/phandle-array'
+ items:
+ items:
+ - description: phandle of GCE
+ - description: GCE subsys id
+ - description: register offset
+ - description: register size
+ description: The register of client driver can be configured by gce with
+ 4 arguments defined in this property. Each GCE subsys id is mapping to
+ a client defined in the header include/dt-bindings/gce/<chip>-gce.h.
+
+ power-domains:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: RDMA clock
+ - description: RSZ clock
+
+ iommus:
+ maxItems: 1
+
+ mboxes:
+ items:
+ - description: used for 1st data pipe from RDMA
+ - description: used for 2nd data pipe from RDMA
+
+required:
+ - compatible
+ - reg
+ - mediatek,gce-client-reg
+ - power-domains
+ - clocks
+ - iommus
+ - mboxes
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/mt8183-clk.h>
+ #include <dt-bindings/gce/mt8183-gce.h>
+ #include <dt-bindings/power/mt8183-power.h>
+ #include <dt-bindings/memory/mt8183-larb-port.h>
+
+ mdp3_rdma0: mdp3-rdma0@14001000 {
+ compatible = "mediatek,mt8183-mdp3-rdma";
+ reg = <0x14001000 0x1000>;
+ mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x1000 0x1000>;
+ power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
+ clocks = <&mmsys CLK_MM_MDP_RDMA0>,
+ <&mmsys CLK_MM_MDP_RSZ1>;
+ iommus = <&iommu>;
+ mboxes = <&gce 20 CMDQ_THR_PRIO_LOWEST>,
+ <&gce 21 CMDQ_THR_PRIO_LOWEST>;
+ };
diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-rsz.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-rsz.yaml
new file mode 100644
index 000000000000..7b566fbec3c0
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-rsz.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/mediatek,mdp3-rsz.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek Resizer
+
+maintainers:
+ - Matthias Brugger <matthias.bgg@gmail.com>
+ - Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+
+description: |
+ One of Media Data Path 3 (MDP3) components used to do frame resizing.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - mediatek,mt8183-mdp3-rsz
+
+ reg:
+ maxItems: 1
+
+ mediatek,gce-client-reg:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ items:
+ - description: phandle of GCE
+ - description: GCE subsys id
+ - description: register offset
+ - description: register size
+ description: The register of client driver can be configured by gce with
+ 4 arguments defined in this property. Each GCE subsys id is mapping to
+ a client defined in the header include/dt-bindings/gce/<chip>-gce.h.
+
+ clocks:
+ minItems: 1
+
+required:
+ - compatible
+ - reg
+ - mediatek,gce-client-reg
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/mt8183-clk.h>
+ #include <dt-bindings/gce/mt8183-gce.h>
+
+ mdp3_rsz0: mdp3-rsz0@14003000 {
+ compatible = "mediatek,mt8183-mdp3-rsz";
+ reg = <0x14003000 0x1000>;
+ mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x3000 0x1000>;
+ clocks = <&mmsys CLK_MM_MDP_RSZ0>;
+ };
+
+ mdp3_rsz1: mdp3-rsz1@14004000 {
+ compatible = "mediatek,mt8183-mdp3-rsz";
+ reg = <0x14004000 0x1000>;
+ mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x4000 0x1000>;
+ clocks = <&mmsys CLK_MM_MDP_RSZ1>;
+ };
diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-wrot.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-wrot.yaml
new file mode 100644
index 000000000000..5481d4e43315
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-wrot.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/mediatek,mdp3-wrot.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek Write DMA with Rotation
+
+maintainers:
+ - Matthias Brugger <matthias.bgg@gmail.com>
+ - Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
+
+description: |
+ One of Media Data Path 3 (MDP3) components used to write DMA with frame rotation.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - mediatek,mt8183-mdp3-wrot
+
+ reg:
+ maxItems: 1
+
+ mediatek,gce-client-reg:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ items:
+ - description: phandle of GCE
+ - description: GCE subsys id
+ - description: register offset
+ - description: register size
+ description: The register of client driver can be configured by gce with
+ 4 arguments defined in this property. Each GCE subsys id is mapping to
+ a client defined in the header include/dt-bindings/gce/<chip>-gce.h.
+
+ power-domains:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+
+ iommus:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - mediatek,gce-client-reg
+ - power-domains
+ - clocks
+ - iommus
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/mt8183-clk.h>
+ #include <dt-bindings/gce/mt8183-gce.h>
+ #include <dt-bindings/power/mt8183-power.h>
+ #include <dt-bindings/memory/mt8183-larb-port.h>
+
+ mdp3_wrot0: mdp3-wrot0@14005000 {
+ compatible = "mediatek,mt8183-mdp3-wrot";
+ reg = <0x14005000 0x1000>;
+ mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0x5000 0x1000>;
+ power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
+ clocks = <&mmsys CLK_MM_MDP_WROT0>;
+ iommus = <&iommu>;
+ };
--
2.18.0
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