diff options
Diffstat (limited to 'Documentation/devicetree')
4 files changed, 210 insertions, 67 deletions
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml index 77ee1b923991..5bb23e97cf33 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml @@ -4,16 +4,16 @@ $id: http://devicetree.org/schemas/display/mediatek/mediatek,dpi.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: mediatek DPI Controller Device Tree Bindings +title: MediaTek DPI and DP_INTF Controller maintainers: - CK Hu <ck.hu@mediatek.com> - Jitao shi <jitao.shi@mediatek.com> description: | - The Mediatek DPI function block is a sink of the display subsystem and - provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a parallel - output bus. + The MediaTek DPI and DP_INTF function blocks are a sink of the display + subsystem and provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a + parallel output bus. properties: compatible: @@ -24,6 +24,7 @@ properties: - mediatek,mt8183-dpi - mediatek,mt8186-dpi - mediatek,mt8192-dpi + - mediatek,mt8195-dp-intf reg: maxItems: 1 @@ -55,7 +56,7 @@ properties: $ref: /schemas/graph.yaml#/properties/port description: Output port node. This port should be connected to the input port of an - attached HDMI or LVDS encoder chip. + attached HDMI, LVDS or DisplayPort encoder chip. required: - compatible diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt deleted file mode 100644 index 36b01458f45c..000000000000 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt +++ /dev/null @@ -1,62 +0,0 @@ -Mediatek DSI Device -=================== - -The Mediatek DSI function block is a sink of the display subsystem and can -drive up to 4-lane MIPI DSI output. Two DSIs can be synchronized for dual- -channel output. - -Required properties: -- compatible: "mediatek,<chip>-dsi" -- the supported chips are mt2701, mt7623, mt8167, mt8173 and mt8183. -- reg: Physical base address and length of the controller's registers -- interrupts: The interrupt signal from the function block. -- clocks: device clocks - See Documentation/devicetree/bindings/clock/clock-bindings.txt for details. -- clock-names: must contain "engine", "digital", and "hs" -- phys: phandle link to the MIPI D-PHY controller. -- phy-names: must contain "dphy" -- port: Output port node with endpoint definitions as described in - Documentation/devicetree/bindings/graph.txt. This port should be connected - to the input port of an attached DSI panel or DSI-to-eDP encoder chip. - -Optional properties: -- resets: list of phandle + reset specifier pair, as described in [1]. - -[1] Documentation/devicetree/bindings/reset/reset.txt - -MIPI TX Configuration Module -============================ - -See phy/mediatek,dsi-phy.yaml - -Example: - -mipi_tx0: mipi-dphy@10215000 { - compatible = "mediatek,mt8173-mipi-tx"; - reg = <0 0x10215000 0 0x1000>; - clocks = <&clk26m>; - clock-output-names = "mipi_tx0_pll"; - #clock-cells = <0>; - #phy-cells = <0>; - drive-strength-microamp = <4600>; - nvmem-cells= <&mipi_tx_calibration>; - nvmem-cell-names = "calibration-data"; -}; - -dsi0: dsi@1401b000 { - compatible = "mediatek,mt8173-dsi"; - reg = <0 0x1401b000 0 0x1000>; - interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_LOW>; - clocks = <&mmsys MM_DSI0_ENGINE>, <&mmsys MM_DSI0_DIGITAL>, - <&mipi_tx0>; - clock-names = "engine", "digital", "hs"; - resets = <&mmsys MT8173_MMSYS_SW0_RST_B_DISP_DSI0>; - phys = <&mipi_tx0>; - phy-names = "dphy"; - - port { - dsi0_out: endpoint { - remote-endpoint = <&panel_in>; - }; - }; -}; diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml new file mode 100644 index 000000000000..b18d6a57c6e1 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml @@ -0,0 +1,116 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,dsi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek DSI Controller Device Tree Bindings + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@kernel.org> + - Philipp Zabel <p.zabel@pengutronix.de> + - Jitao Shi <jitao.shi@mediatek.com> + - Xinlei Lee <xinlei.lee@mediatek.com> + +description: | + The MediaTek DSI function block is a sink of the display subsystem and can + drive up to 4-lane MIPI DSI output. Two DSIs can be synchronized for dual- + channel output. + +allOf: + - $ref: /schemas/display/dsi-controller.yaml# + +properties: + compatible: + enum: + - mediatek,mt2701-dsi + - mediatek,mt7623-dsi + - mediatek,mt8167-dsi + - mediatek,mt8173-dsi + - mediatek,mt8183-dsi + - mediatek,mt8186-dsi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + + clocks: + items: + - description: Engine Clock + - description: Digital Clock + - description: HS Clock + + clock-names: + items: + - const: engine + - const: digital + - const: hs + + resets: + maxItems: 1 + + phys: + maxItems: 1 + + phy-names: + items: + - const: dphy + + port: + $ref: /schemas/graph.yaml#/properties/port + description: + Output port node. This port should be connected to the input + port of an attached DSI panel or DSI-to-eDP encoder chip. + +required: + - compatible + - reg + - interrupts + - power-domains + - clocks + - clock-names + - phys + - phy-names + - port + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/mt8183-clk.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/power/mt8183-power.h> + #include <dt-bindings/phy/phy.h> + #include <dt-bindings/reset/mt8183-resets.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + dsi0: dsi@14014000 { + compatible = "mediatek,mt8183-dsi"; + reg = <0 0x14014000 0 0x1000>; + interrupts = <GIC_SPI 236 IRQ_TYPE_LEVEL_LOW>; + power-domains = <&spm MT8183_POWER_DOMAIN_DISP>; + clocks = <&mmsys CLK_MM_DSI0_MM>, + <&mmsys CLK_MM_DSI0_IF>, + <&mipi_tx0>; + clock-names = "engine", "digital", "hs"; + resets = <&mmsys MT8183_MMSYS_SW0_RST_B_DISP_DSI0>; + phys = <&mipi_tx0>; + phy-names = "dphy"; + port { + dsi0_out: endpoint { + remote-endpoint = <&panel_in>; + }; + }; + }; + }; + +... diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml new file mode 100644 index 000000000000..dd12e2ff685c --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mdp-rdma.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,mdp-rdma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek MDP RDMA + +maintainers: + - Chun-Kuang Hu <chunkuang.hu@kernel.org> + - Philipp Zabel <p.zabel@pengutronix.de> + +description: + The MediaTek MDP RDMA stands for Read Direct Memory Access. + It provides real time data to the back-end panel driver, such as DSI, + DPI and DP_INTF. + It contains one line buffer to store the sufficient pixel data. + RDMA device node 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: + const: mediatek,mt8195-vdo1-rdma + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + maxItems: 1 + + clocks: + items: + - description: RDMA Clock + + iommus: + maxItems: 1 + + mediatek,gce-client-reg: + description: + The register of display function block to be set by gce. There are 4 arguments, + such as gce node, subsys id, offset and register size. The subsys id that is + mapping to the register of display function blocks is defined in the gce header + include/dt-bindings/gce/<chip>-gce.h of each chips. + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + items: + - description: phandle of GCE + - description: GCE subsys id + - description: register offset + - description: register size + maxItems: 1 + +required: + - compatible + - reg + - power-domains + - clocks + - iommus + - mediatek,gce-client-reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/mt8195-clk.h> + #include <dt-bindings/power/mt8195-power.h> + #include <dt-bindings/gce/mt8195-gce.h> + #include <dt-bindings/memory/mt8195-memory-port.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + rdma@1c104000 { + compatible = "mediatek,mt8195-vdo1-rdma"; + reg = <0 0x1c104000 0 0x1000>; + interrupts = <GIC_SPI 495 IRQ_TYPE_LEVEL_HIGH 0>; + clocks = <&vdosys1 CLK_VDO1_MDP_RDMA0>; + power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>; + iommus = <&iommu_vdo M4U_PORT_L2_MDP_RDMA0>; + mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX 0x4000 0x1000>; + }; + }; |