This patch includes 1. Mediatek DRM Device binding 2. Mediatek DSI Device binding 3. Mediatek CRTC Main Device binding 4. Mediatek DDP Device binding
Signed-off-by: CK Hu ck.hu@mediatek.com --- .../bindings/drm/mediatek/mediatek,crtc-main.txt | 38 ++++++++++++++++++++++ .../bindings/drm/mediatek/mediatek,ddp.txt | 22 +++++++++++++ .../bindings/drm/mediatek/mediatek,drm.txt | 27 +++++++++++++++ .../bindings/drm/mediatek/mediatek,dsi.txt | 20 ++++++++++++ 4 files changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/drm/mediatek/mediatek,crtc-main.txt create mode 100644 Documentation/devicetree/bindings/drm/mediatek/mediatek,ddp.txt create mode 100644 Documentation/devicetree/bindings/drm/mediatek/mediatek,drm.txt create mode 100644 Documentation/devicetree/bindings/drm/mediatek/mediatek,dsi.txt
diff --git a/Documentation/devicetree/bindings/drm/mediatek/mediatek,crtc-main.txt b/Documentation/devicetree/bindings/drm/mediatek/mediatek,crtc-main.txt new file mode 100644 index 0000000..5c6c420 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/mediatek/mediatek,crtc-main.txt @@ -0,0 +1,38 @@ +Mediatek CRTC Main Device +================================ + +The Mediatek CRTC Main device is a crtc device of DRM system. + +Required properties: +- compatible: "mediatek,<chip>-crtc-main" +- interrupts: The interrupt signal from the CRTC Main block. +- reg: Physical base address and length of the controller's registers +- clocks: device clocks + See Documentation/devicetree/bindings/clock/clock-bindings.txt for details. +- ddp: phandle of ddp device which control display data path. + +Example: + +crtc_main: crtc@1400c000 { + compatible = "mediatek,mt8173-crtc-main"; + interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_LOW>; + reg = <0 0x1400c000 0 0x1000>, /* OVL0 */ + <0 0x1400e000 0 0x1000>, /* RDMA0 */ + <0 0x14013000 0 0x1000>, /* COLOR0 */ + <0 0x14015000 0 0x1000>, /* AAL */ + <0 0x1401a000 0 0x1000>, /* UFOE */ + <0 0x14023000 0 0x1000>; /* OD */ + clocks = <&mmsys MM_DISP_OVL0>, + <&mmsys MM_DISP_RDMA0>, + <&mmsys MM_DISP_COLOR0>, + <&mmsys MM_DISP_AAL>, + <&mmsys MM_DISP_UFOE>, + <&mmsys MM_DISP_OD>; + clock-names = "ovl0_disp", + "rdma0_disp", + "color0_disp", + "aal_disp", + "ufoe_disp", + "od_disp"; + ddp = <&ddp>; +}; \ No newline at end of file diff --git a/Documentation/devicetree/bindings/drm/mediatek/mediatek,ddp.txt b/Documentation/devicetree/bindings/drm/mediatek/mediatek,ddp.txt new file mode 100644 index 0000000..77cf630 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/mediatek/mediatek,ddp.txt @@ -0,0 +1,22 @@ +Mediatek DDP Device +================================ + +The Mediatek DDP device control the display data path. + +Required properties: +- compatible: "mediatek,<chip>-ddp" +- reg: Physical base address and length of the controller's registers +- power-domains: a phandle to DDP power domain node. +- clocks: device clocks + See Documentation/devicetree/bindings/clock/clock-bindings.txt for details. + +Example: + +ddp: ddp@14000000 { + compatible = "mediatek,mt8173-ddp"; + reg = <0 0x14000000 0 0x100>, /* CONFIG */ + <0 0x14020000 0 0x1000>; /* MUTEX */ + power-domains = <&scpsys MT8173_POWER_DOMAIN_DIS>; + clocks = <&mmsys MM_MUTEX_32K>; + clock-names = "mutex_disp"; +}; \ No newline at end of file diff --git a/Documentation/devicetree/bindings/drm/mediatek/mediatek,drm.txt b/Documentation/devicetree/bindings/drm/mediatek/mediatek,drm.txt new file mode 100644 index 0000000..c4a5702 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/mediatek/mediatek,drm.txt @@ -0,0 +1,27 @@ +Mediatek DRM Device +================================ + +The Mediatek DRM device is a device needed to list all +display component nodes that comprise the display subsystem. +And it list the memory-related interface. + +Required properties: +- compatible: "mediatek,<chip>-drm" +- larb: Should contain a list of phandles pointing to larb device. + larb definitions as defined in + Documentation/devicetree/bindings/soc/mediatek/mediatek,smi-larb.txt +- iommus: required a iommu node +- connectors: Should contain a list of phandles pointing to connector device. + connector device should be one component of this master. +- crtcs: Should contain a list of phandles pointing to crtc device. + crtc device should be one component of this master. + +Example: + +drm0: drm { + compatible = "mediatek,mt8173-drm"; + larb = <&larb0>; + iommus = <&iommu M4U_PORT_DISP_OVL0>; + connectors = <&dsi>; + crtcs = <&crtc_main>; +}; \ No newline at end of file diff --git a/Documentation/devicetree/bindings/drm/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/drm/mediatek/mediatek,dsi.txt new file mode 100644 index 0000000..16e3eb3 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/mediatek/mediatek,dsi.txt @@ -0,0 +1,20 @@ +Mediatek DSI Device +================================ + +The Mediatek DSI device is a connector device of DRM system. + +Required properties: +- compatible: "mediatek,<chip>-dsi" +- reg: Physical base address and length of the controller's registers +- clocks: device clocks + See Documentation/devicetree/bindings/clock/clock-bindings.txt for details. + +Example: + +dsi: dsi@10215000 { + compatible = "mediatek,mt8173-dsi"; + reg = <0 0x1401B000 0 0x1000>, /* DSI0 */ + <0 0x10215000 0 0x1000>; /* MIPITX */ + clocks = <&mmsys MM_DSI0_ENGINE>, <&mmsys MM_DSI0_DIGITAL>; + clock-names = "dsi0_engine_disp_ck", "dsi0_digital_disp_ck"; +}; \ No newline at end of file