From 64e352c9bd38cdbb962006164623e09ed2851160 Mon Sep 17 00:00:00 2001 From: "Nancy.Lin" Date: Tue, 21 Mar 2023 20:18:53 +0800 Subject: [PATCH] dt-bindings: mediatek: add ethdr definition for mt8195 Add vdosys1 ETHDR definition. Signed-off-by: Nancy.Lin Reviewed-by: Chun-Kuang Hu Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Krzysztof Kozlowski Tested-by: AngeloGioacchino Del Regno Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20230321121859.2355-2-nancy.lin@mediatek.com/ Signed-off-by: Chun-Kuang Hu --- .../display/mediatek/mediatek,ethdr.yaml | 182 ++++++++++++++++++ 1 file changed, 182 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr.yaml new file mode 100644 index 0000000000000..801fa66ae6150 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,ethdr.yaml @@ -0,0 +1,182 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,ethdr.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Ethdr Device + +maintainers: + - Chun-Kuang Hu + - Philipp Zabel + +description: + ETHDR (ET High Dynamic Range) is a MediaTek internal HDR engine and is + designed for HDR video and graphics conversion in the external display path. + It handles multiple HDR input types and performs tone mapping, color + space/color format conversion, and then combine different layers, + output the required HDR or SDR signal to the subsequent display path. + This engine is composed of two video frontends, two graphic frontends, + one video backend and a mixer. ETHDR has two DMA function blocks, DS and ADL. + These two function blocks read the pre-programmed registers from DRAM and + set them to HW in the v-blanking period. + +properties: + compatible: + const: mediatek,mt8195-disp-ethdr + + reg: + maxItems: 7 + + reg-names: + items: + - const: mixer + - const: vdo_fe0 + - const: vdo_fe1 + - const: gfx_fe0 + - const: gfx_fe1 + - const: vdo_be + - const: adl_ds + + interrupts: + maxItems: 1 + + iommus: + minItems: 1 + maxItems: 2 + + clocks: + items: + - description: mixer clock + - description: video frontend 0 clock + - description: video frontend 1 clock + - description: graphic frontend 0 clock + - description: graphic frontend 1 clock + - description: video backend clock + - description: autodownload and menuload clock + - description: video frontend 0 async clock + - description: video frontend 1 async clock + - description: graphic frontend 0 async clock + - description: graphic frontend 1 async clock + - description: video backend async clock + - description: ethdr top clock + + clock-names: + items: + - const: mixer + - const: vdo_fe0 + - const: vdo_fe1 + - const: gfx_fe0 + - const: gfx_fe1 + - const: vdo_be + - const: adl_ds + - const: vdo_fe0_async + - const: vdo_fe1_async + - const: gfx_fe0_async + - const: gfx_fe1_async + - const: vdo_be_async + - const: ethdr_top + + power-domains: + maxItems: 1 + + resets: + items: + - description: video frontend 0 async reset + - description: video frontend 1 async reset + - description: graphic frontend 0 async reset + - description: graphic frontend 1 async reset + - description: video backend async reset + + reset-names: + items: + - const: vdo_fe0_async + - const: vdo_fe1_async + - const: gfx_fe0_async + - const: gfx_fe1_async + - const: vdo_be_async + + mediatek,gce-client-reg: + $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + maxItems: 7 + description: The register of display function block to be set by gce. + There are 4 arguments in this property, gce node, subsys id, offset and + register size. The subsys id is defined in the gce header of each chips + include/dt-bindings/gce/-gce.h, mapping to the register of display + function block. + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - power-domains + - resets + - mediatek,gce-client-reg + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + hdr-engine@1c114000 { + compatible = "mediatek,mt8195-disp-ethdr"; + reg = <0 0x1c114000 0 0x1000>, + <0 0x1c115000 0 0x1000>, + <0 0x1c117000 0 0x1000>, + <0 0x1c119000 0 0x1000>, + <0 0x1c11a000 0 0x1000>, + <0 0x1c11b000 0 0x1000>, + <0 0x1c11c000 0 0x1000>; + reg-names = "mixer", "vdo_fe0", "vdo_fe1", "gfx_fe0", "gfx_fe1", + "vdo_be", "adl_ds"; + mediatek,gce-client-reg = <&gce0 SUBSYS_1c11XXXX 0x4000 0x1000>, + <&gce0 SUBSYS_1c11XXXX 0x5000 0x1000>, + <&gce0 SUBSYS_1c11XXXX 0x7000 0x1000>, + <&gce0 SUBSYS_1c11XXXX 0x9000 0x1000>, + <&gce0 SUBSYS_1c11XXXX 0xa000 0x1000>, + <&gce0 SUBSYS_1c11XXXX 0xb000 0x1000>, + <&gce0 SUBSYS_1c11XXXX 0xc000 0x1000>; + clocks = <&vdosys1 CLK_VDO1_DISP_MIXER>, + <&vdosys1 CLK_VDO1_HDR_VDO_FE0>, + <&vdosys1 CLK_VDO1_HDR_VDO_FE1>, + <&vdosys1 CLK_VDO1_HDR_GFX_FE0>, + <&vdosys1 CLK_VDO1_HDR_GFX_FE1>, + <&vdosys1 CLK_VDO1_HDR_VDO_BE>, + <&vdosys1 CLK_VDO1_26M_SLOW>, + <&vdosys1 CLK_VDO1_HDR_VDO_FE0_DL_ASYNC>, + <&vdosys1 CLK_VDO1_HDR_VDO_FE1_DL_ASYNC>, + <&vdosys1 CLK_VDO1_HDR_GFX_FE0_DL_ASYNC>, + <&vdosys1 CLK_VDO1_HDR_GFX_FE1_DL_ASYNC>, + <&vdosys1 CLK_VDO1_HDR_VDO_BE_DL_ASYNC>, + <&topckgen CLK_TOP_ETHDR>; + clock-names = "mixer", "vdo_fe0", "vdo_fe1", "gfx_fe0", "gfx_fe1", + "vdo_be", "adl_ds", "vdo_fe0_async", "vdo_fe1_async", + "gfx_fe0_async", "gfx_fe1_async","vdo_be_async", + "ethdr_top"; + power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>; + iommus = <&iommu_vpp M4U_PORT_L3_HDR_DS>, + <&iommu_vpp M4U_PORT_L3_HDR_ADL>; + interrupts = ; /* disp mixer */ + resets = <&vdosys1 MT8195_VDOSYS1_SW1_RST_B_HDR_VDO_FE0_DL_ASYNC>, + <&vdosys1 MT8195_VDOSYS1_SW1_RST_B_HDR_VDO_FE1_DL_ASYNC>, + <&vdosys1 MT8195_VDOSYS1_SW1_RST_B_HDR_GFX_FE0_DL_ASYNC>, + <&vdosys1 MT8195_VDOSYS1_SW1_RST_B_HDR_GFX_FE1_DL_ASYNC>, + <&vdosys1 MT8195_VDOSYS1_SW1_RST_B_HDR_VDO_BE_DL_ASYNC>; + reset-names = "vdo_fe0_async", "vdo_fe1_async", "gfx_fe0_async", + "gfx_fe1_async", "vdo_be_async"; + }; + }; +... -- 2.30.2