# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/display/tegra/nvidia,tegra186-display.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: NVIDIA Tegra186 (and later) Display Hub maintainers: - Thierry Reding - Jon Hunter properties: $nodename: pattern: "^display-hub@[0-9a-f]+$" compatible: enum: - nvidia,tegra186-display - nvidia,tegra194-display '#address-cells': enum: [ 1, 2 ] '#size-cells': enum: [ 1, 2 ] reg: maxItems: 1 interrupts: maxItems: 1 clocks: minItems: 2 maxItems: 3 clock-names: minItems: 2 maxItems: 3 resets: items: - description: display hub reset - description: window group 0 reset - description: window group 1 reset - description: window group 2 reset - description: window group 3 reset - description: window group 4 reset - description: window group 5 reset reset-names: items: - const: misc - const: wgrp0 - const: wgrp1 - const: wgrp2 - const: wgrp3 - const: wgrp4 - const: wgrp5 power-domains: maxItems: 1 ranges: maxItems: 1 patternProperties: "^display@[0-9a-f]+$": type: object allOf: - if: properties: compatible: contains: const: nvidia,tegra186-display then: properties: clocks: items: - description: display core clock - description: display stream compression clock - description: display hub clock clock-names: items: - const: disp - const: dsc - const: hub else: properties: clocks: items: - description: display core clock - description: display hub clock clock-names: items: - const: disp - const: hub additionalProperties: false required: - compatible - reg - clocks - clock-names - resets - reset-names - power-domains - "#address-cells" - "#size-cells" - ranges examples: - | #include #include #include #include #include display-hub@15200000 { compatible = "nvidia,tegra186-display"; reg = <0x15200000 0x00040000>; resets = <&bpmp TEGRA186_RESET_NVDISPLAY0_MISC>, <&bpmp TEGRA186_RESET_NVDISPLAY0_WGRP0>, <&bpmp TEGRA186_RESET_NVDISPLAY0_WGRP1>, <&bpmp TEGRA186_RESET_NVDISPLAY0_WGRP2>, <&bpmp TEGRA186_RESET_NVDISPLAY0_WGRP3>, <&bpmp TEGRA186_RESET_NVDISPLAY0_WGRP4>, <&bpmp TEGRA186_RESET_NVDISPLAY0_WGRP5>; reset-names = "misc", "wgrp0", "wgrp1", "wgrp2", "wgrp3", "wgrp4", "wgrp5"; clocks = <&bpmp TEGRA186_CLK_NVDISPLAY_DISP>, <&bpmp TEGRA186_CLK_NVDISPLAY_DSC>, <&bpmp TEGRA186_CLK_NVDISPLAYHUB>; clock-names = "disp", "dsc", "hub"; power-domains = <&bpmp TEGRA186_POWER_DOMAIN_DISP>; #address-cells = <1>; #size-cells = <1>; ranges = <0x15200000 0x15200000 0x40000>; display@15200000 { compatible = "nvidia,tegra186-dc"; reg = <0x15200000 0x10000>; interrupts = ; clocks = <&bpmp TEGRA186_CLK_NVDISPLAY_P0>; clock-names = "dc"; resets = <&bpmp TEGRA186_RESET_NVDISPLAY0_HEAD0>; reset-names = "dc"; power-domains = <&bpmp TEGRA186_POWER_DOMAIN_DISP>; interconnects = <&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR &emc>, <&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR1 &emc>; interconnect-names = "dma-mem", "read-1"; iommus = <&smmu TEGRA186_SID_NVDISPLAY>; nvidia,outputs = <&dsia &dsib &sor0 &sor1>; nvidia,head = <0>; }; display@15210000 { compatible = "nvidia,tegra186-dc"; reg = <0x15210000 0x10000>; interrupts = ; clocks = <&bpmp TEGRA186_CLK_NVDISPLAY_P1>; clock-names = "dc"; resets = <&bpmp TEGRA186_RESET_NVDISPLAY0_HEAD1>; reset-names = "dc"; power-domains = <&bpmp TEGRA186_POWER_DOMAIN_DISPB>; interconnects = <&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR &emc>, <&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR1 &emc>; interconnect-names = "dma-mem", "read-1"; iommus = <&smmu TEGRA186_SID_NVDISPLAY>; nvidia,outputs = <&dsia &dsib &sor0 &sor1>; nvidia,head = <1>; }; display@15220000 { compatible = "nvidia,tegra186-dc"; reg = <0x15220000 0x10000>; interrupts = ; clocks = <&bpmp TEGRA186_CLK_NVDISPLAY_P2>; clock-names = "dc"; resets = <&bpmp TEGRA186_RESET_NVDISPLAY0_HEAD2>; reset-names = "dc"; power-domains = <&bpmp TEGRA186_POWER_DOMAIN_DISPC>; interconnects = <&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR &emc>, <&mc TEGRA186_MEMORY_CLIENT_NVDISPLAYR1 &emc>; interconnect-names = "dma-mem", "read-1"; iommus = <&smmu TEGRA186_SID_NVDISPLAY>; nvidia,outputs = <&sor0 &sor1>; nvidia,head = <2>; }; }; - | #include #include #include #include #include display-hub@15200000 { compatible = "nvidia,tegra194-display"; reg = <0x15200000 0x00040000>; resets = <&bpmp TEGRA194_RESET_NVDISPLAY0_MISC>, <&bpmp TEGRA194_RESET_NVDISPLAY0_WGRP0>, <&bpmp TEGRA194_RESET_NVDISPLAY0_WGRP1>, <&bpmp TEGRA194_RESET_NVDISPLAY0_WGRP2>, <&bpmp TEGRA194_RESET_NVDISPLAY0_WGRP3>, <&bpmp TEGRA194_RESET_NVDISPLAY0_WGRP4>, <&bpmp TEGRA194_RESET_NVDISPLAY0_WGRP5>; reset-names = "misc", "wgrp0", "wgrp1", "wgrp2", "wgrp3", "wgrp4", "wgrp5"; clocks = <&bpmp TEGRA194_CLK_NVDISPLAY_DISP>, <&bpmp TEGRA194_CLK_NVDISPLAYHUB>; clock-names = "disp", "hub"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_DISP>; #address-cells = <1>; #size-cells = <1>; ranges = <0x15200000 0x15200000 0x40000>; display@15200000 { compatible = "nvidia,tegra194-dc"; reg = <0x15200000 0x10000>; interrupts = ; clocks = <&bpmp TEGRA194_CLK_NVDISPLAY_P0>; clock-names = "dc"; resets = <&bpmp TEGRA194_RESET_NVDISPLAY0_HEAD0>; reset-names = "dc"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_DISP>; interconnects = <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR &emc>, <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR1 &emc>; interconnect-names = "dma-mem", "read-1"; nvidia,outputs = <&sor0 &sor1 &sor2 &sor3>; nvidia,head = <0>; }; display@15210000 { compatible = "nvidia,tegra194-dc"; reg = <0x15210000 0x10000>; interrupts = ; clocks = <&bpmp TEGRA194_CLK_NVDISPLAY_P1>; clock-names = "dc"; resets = <&bpmp TEGRA194_RESET_NVDISPLAY0_HEAD1>; reset-names = "dc"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_DISPB>; interconnects = <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR &emc>, <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR1 &emc>; interconnect-names = "dma-mem", "read-1"; nvidia,outputs = <&sor0 &sor1 &sor2 &sor3>; nvidia,head = <1>; }; display@15220000 { compatible = "nvidia,tegra194-dc"; reg = <0x15220000 0x10000>; interrupts = ; clocks = <&bpmp TEGRA194_CLK_NVDISPLAY_P2>; clock-names = "dc"; resets = <&bpmp TEGRA194_RESET_NVDISPLAY0_HEAD2>; reset-names = "dc"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_DISPC>; interconnects = <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR &emc>, <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR1 &emc>; interconnect-names = "dma-mem", "read-1"; nvidia,outputs = <&sor0 &sor1 &sor2 &sor3>; nvidia,head = <2>; }; display@15230000 { compatible = "nvidia,tegra194-dc"; reg = <0x15230000 0x10000>; interrupts = ; clocks = <&bpmp TEGRA194_CLK_NVDISPLAY_P3>; clock-names = "dc"; resets = <&bpmp TEGRA194_RESET_NVDISPLAY0_HEAD3>; reset-names = "dc"; power-domains = <&bpmp TEGRA194_POWER_DOMAIN_DISPC>; interconnects = <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR &emc>, <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR1 &emc>; interconnect-names = "dma-mem", "read-1"; nvidia,outputs = <&sor0 &sor1 &sor2 &sor3>; nvidia,head = <3>; }; };