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| -rw-r--r-- | Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt | 554 |
1 files changed, 554 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt new file mode 100644 index 000000000..ac63ae4a3 --- /dev/null +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt @@ -0,0 +1,554 @@ +NVIDIA Tegra host1x + +Required properties: +- compatible: "nvidia,tegra<chip>-host1x" +- reg: Physical base address and length of the controller's registers. + For pre-Tegra186, one entry describing the whole register area. + For Tegra186, one entry for each entry in reg-names: + "vm" - VM region assigned to Linux + "hypervisor" - Hypervisor region (only if Linux acts as hypervisor) +- interrupts: The interrupt outputs from the controller. +- #address-cells: The number of cells used to represent physical base addresses + in the host1x address space. Should be 1. +- #size-cells: The number of cells used to represent the size of an address + range in the host1x address space. Should be 1. +- ranges: The mapping of the host1x address space to the CPU address space. +- clocks: Must contain one entry, for the module clock. + See ../clocks/clock-bindings.txt for details. +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names: Must include the following entries: + - host1x + +The host1x top-level node defines a number of children, each representing one +of the following host1x client modules: + +- mpe: video encoder + + Required properties: + - compatible: "nvidia,tegra<chip>-mpe" + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain one entry, for the module clock. + See ../clocks/clock-bindings.txt for details. + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - mpe + +- vi: video input + + Required properties: + - compatible: "nvidia,tegra<chip>-vi" + - reg: Physical base address and length of the controller registers. + - interrupts: The interrupt outputs from the controller. + - clocks: clocks: Must contain one entry, for the module clock. + See ../clocks/clock-bindings.txt for details. + - Tegra20/Tegra30/Tegra114/Tegra124: + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - vi + - Tegra210: + - power-domains: Must include venc powergate node as vi is in VE partition. + + ports (optional node) + vi can have optional ports node and max 6 ports are supported. Each port + should have single 'endpoint' child node. All port nodes are grouped under + ports node. Please refer to the bindings defined in + Documentation/devicetree/bindings/media/video-interfaces.txt + + csi (required node) + Tegra210 has CSI part of VI sharing same host interface and register space. + So, VI device node should have CSI child node. + + - csi: mipi csi interface to vi + + Required properties: + - compatible: "nvidia,tegra210-csi" + - reg: Physical base address offset to parent and length of the controller + registers. + - clocks: Must contain entries csi, cilab, cilcd, cile, csi_tpg clocks. + See ../clocks/clock-bindings.txt for details. + - power-domains: Must include sor powergate node as csicil is in + SOR partition. + + channel (optional nodes) + Maximum 6 channels are supported with each csi brick as either x4 or x2 + based on hw connectivity to sensor. + + Required properties: + - reg: csi port number. Valid port numbers are 0 through 5. + - nvidia,mipi-calibrate: Should contain a phandle and a specifier + specifying which pads are used by this CSI port and need to be + calibrated. See also ../display/tegra/nvidia,tegra114-mipi.txt. + + Each channel node must contain 2 port nodes which can be grouped + under 'ports' node and each port should have a single child 'endpoint' + node. + + ports node + Please refer to the bindings defined in + Documentation/devicetree/bindings/media/video-interfaces.txt + + ports node must contain below 2 port nodes. + port@0 with single child 'endpoint' node always a sink. + port@1 with single child 'endpoint' node always a source. + + port@0 (required node) + Required properties: + - reg: 0 + + endpoint (required node) + Required properties: + - data-lanes: an array of data lane from 1 to 4. Valid array + lengths are 1/2/4. + - remote-endpoint: phandle to sensor 'endpoint' node. + + port@1 (required node) + Required properties: + - reg: 1 + + endpoint (required node) + Required properties: + - remote-endpoint: phandle to vi port 'endpoint' node. + +- epp: encoder pre-processor + + Required properties: + - compatible: "nvidia,tegra<chip>-epp" + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain one entry, for the module clock. + See ../clocks/clock-bindings.txt for details. + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - epp + +- isp: image signal processor + + Required properties: + - compatible: "nvidia,tegra<chip>-isp" + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain one entry, for the module clock. + See ../clocks/clock-bindings.txt for details. + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - isp + +- gr2d: 2D graphics engine + + Required properties: + - compatible: "nvidia,tegra<chip>-gr2d" + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain one entry, for the module clock. + See ../clocks/clock-bindings.txt for details. + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - 2d + +- gr3d: 3D graphics engine + + Required properties: + - compatible: "nvidia,tegra<chip>-gr3d" + - reg: Physical base address and length of the controller's registers. + - clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. + - clock-names: Must include the following entries: + (This property may be omitted if the only clock in the list is "3d") + - 3d + This MUST be the first entry. + - 3d2 (Only required on SoCs with two 3D clocks) + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - 3d + - 3d2 (Only required on SoCs with two 3D clocks) + +- dc: display controller + + Required properties: + - compatible: "nvidia,tegra<chip>-dc" + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. + - clock-names: Must include the following entries: + - dc + This MUST be the first entry. + - parent + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - dc + - nvidia,head: The number of the display controller head. This is used to + setup the various types of output to receive video data from the given + head. + + Each display controller node has a child node, named "rgb", that represents + the RGB output associated with the controller. It can take the following + optional properties: + - nvidia,ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing + - nvidia,hpd-gpio: specifies a GPIO used for hotplug detection + - nvidia,edid: supplies a binary EDID blob + - nvidia,panel: phandle of a display panel + +- hdmi: High Definition Multimedia Interface + + Required properties: + - compatible: "nvidia,tegra<chip>-hdmi" + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - hdmi-supply: supply for the +5V HDMI connector pin + - vdd-supply: regulator for supply voltage + - pll-supply: regulator for PLL + - clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. + - clock-names: Must include the following entries: + - hdmi + This MUST be the first entry. + - parent + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - hdmi + + Optional properties: + - nvidia,ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing + - nvidia,hpd-gpio: specifies a GPIO used for hotplug detection + - nvidia,edid: supplies a binary EDID blob + - nvidia,panel: phandle of a display panel + +- tvo: TV encoder output + + Required properties: + - compatible: "nvidia,tegra<chip>-tvo" + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain one entry, for the module clock. + See ../clocks/clock-bindings.txt for details. + +- dsi: display serial interface + + Required properties: + - compatible: "nvidia,tegra<chip>-dsi" + - reg: Physical base address and length of the controller's registers. + - clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. + - clock-names: Must include the following entries: + - dsi + This MUST be the first entry. + - lp + - parent + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - dsi + - avdd-dsi-supply: phandle of a supply that powers the DSI controller + - nvidia,mipi-calibrate: Should contain a phandle and a specifier specifying + which pads are used by this DSI output and need to be calibrated. See also + ../display/tegra/nvidia,tegra114-mipi.txt. + + Optional properties: + - nvidia,ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing + - nvidia,hpd-gpio: specifies a GPIO used for hotplug detection + - nvidia,edid: supplies a binary EDID blob + - nvidia,panel: phandle of a display panel + - nvidia,ganged-mode: contains a phandle to a second DSI controller to gang + up with in order to support up to 8 data lanes + +- sor: serial output resource + + Required properties: + - compatible: Should be: + - "nvidia,tegra124-sor": for Tegra124 and Tegra132 + - "nvidia,tegra132-sor": for Tegra132 + - "nvidia,tegra210-sor": for Tegra210 + - "nvidia,tegra210-sor1": for Tegra210 + - "nvidia,tegra186-sor": for Tegra186 + - "nvidia,tegra186-sor1": for Tegra186 + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. + - clock-names: Must include the following entries: + - sor: clock input for the SOR hardware + - out: SOR output clock + - parent: input for the pixel clock + - dp: reference clock for the SOR clock + - safe: safe reference for the SOR clock during power up + + For Tegra186 and later: + - pad: SOR pad output clock (on Tegra186 and later) + + Obsolete: + - source: source clock for the SOR clock (obsolete, use "out" instead) + + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - sor + + Required properties on Tegra186 and later: + - nvidia,interface: index of the SOR interface + + Optional properties: + - nvidia,ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing + - nvidia,hpd-gpio: specifies a GPIO used for hotplug detection + - nvidia,edid: supplies a binary EDID blob + - nvidia,panel: phandle of a display panel + - nvidia,xbar-cfg: 5 cells containing the crossbar configuration. Each lane + of the SOR, identified by the cell's index, is mapped via the crossbar to + the pad specified by the cell's value. + + Optional properties when driving an eDP output: + - nvidia,dpaux: phandle to a DispayPort AUX interface + +- dpaux: DisplayPort AUX interface + - compatible : Should contain one of the following: + - "nvidia,tegra124-dpaux": for Tegra124 and Tegra132 + - "nvidia,tegra210-dpaux": for Tegra210 + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. + - clock-names: Must include the following entries: + - dpaux: clock input for the DPAUX hardware + - parent: reference clock + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - dpaux + - vdd-supply: phandle of a supply that powers the DisplayPort link + - i2c-bus: Subnode where I2C slave devices are listed. This subnode + must be always present. If there are no I2C slave devices, an empty + node should be added. See ../../i2c/i2c.txt for more information. + + See ../pinctrl/nvidia,tegra124-dpaux-padctl.txt for information + regarding the DPAUX pad controller bindings. + +- vic: Video Image Compositor + - compatible : "nvidia,tegra<chip>-vic" + - reg: Physical base address and length of the controller's registers. + - interrupts: The interrupt outputs from the controller. + - clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. + - clock-names: Must include the following entries: + - vic: clock input for the VIC hardware + - resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. + - reset-names: Must include the following entries: + - vic + +Example: + +/ { + ... + + host1x { + compatible = "nvidia,tegra20-host1x", "simple-bus"; + reg = <0x50000000 0x00024000>; + interrupts = <0 65 0x04 /* mpcore syncpt */ + 0 67 0x04>; /* mpcore general */ + clocks = <&tegra_car TEGRA20_CLK_HOST1X>; + resets = <&tegra_car 28>; + reset-names = "host1x"; + + #address-cells = <1>; + #size-cells = <1>; + + ranges = <0x54000000 0x54000000 0x04000000>; + + mpe { + compatible = "nvidia,tegra20-mpe"; + reg = <0x54040000 0x00040000>; + interrupts = <0 68 0x04>; + clocks = <&tegra_car TEGRA20_CLK_MPE>; + resets = <&tegra_car 60>; + reset-names = "mpe"; + }; + + vi@54080000 { + compatible = "nvidia,tegra210-vi"; + reg = <0x0 0x54080000 0x0 0x700>; + interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>; + assigned-clocks = <&tegra_car TEGRA210_CLK_VI>; + assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_C4_OUT0>; + + clocks = <&tegra_car TEGRA210_CLK_VI>; + power-domains = <&pd_venc>; + + #address-cells = <1>; + #size-cells = <1>; + + ranges = <0x0 0x0 0x54080000 0x2000>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + imx219_vi_in0: endpoint { + remote-endpoint = <&imx219_csi_out0>; + }; + }; + }; + + csi@838 { + compatible = "nvidia,tegra210-csi"; + reg = <0x838 0x1300>; + assigned-clocks = <&tegra_car TEGRA210_CLK_CILAB>, + <&tegra_car TEGRA210_CLK_CILCD>, + <&tegra_car TEGRA210_CLK_CILE>, + <&tegra_car TEGRA210_CLK_CSI_TPG>; + assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_P>, + <&tegra_car TEGRA210_CLK_PLL_P>, + <&tegra_car TEGRA210_CLK_PLL_P>; + assigned-clock-rates = <102000000>, + <102000000>, + <102000000>, + <972000000>; + + clocks = <&tegra_car TEGRA210_CLK_CSI>, + <&tegra_car TEGRA210_CLK_CILAB>, + <&tegra_car TEGRA210_CLK_CILCD>, + <&tegra_car TEGRA210_CLK_CILE>, + <&tegra_car TEGRA210_CLK_CSI_TPG>; + clock-names = "csi", "cilab", "cilcd", "cile", "csi_tpg"; + power-domains = <&pd_sor>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0>; + nvidia,mipi-calibrate = <&mipi 0x001>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + imx219_csi_in0: endpoint { + data-lanes = <1 2>; + remote-endpoint = <&imx219_out0>; + }; + }; + + port@1 { + reg = <1>; + imx219_csi_out0: endpoint { + remote-endpoint = <&imx219_vi_in0>; + }; + }; + }; + }; + }; + }; + + epp { + compatible = "nvidia,tegra20-epp"; + reg = <0x540c0000 0x00040000>; + interrupts = <0 70 0x04>; + clocks = <&tegra_car TEGRA20_CLK_EPP>; + resets = <&tegra_car 19>; + reset-names = "epp"; + }; + + isp { + compatible = "nvidia,tegra20-isp"; + reg = <0x54100000 0x00040000>; + interrupts = <0 71 0x04>; + clocks = <&tegra_car TEGRA20_CLK_ISP>; + resets = <&tegra_car 23>; + reset-names = "isp"; + }; + + gr2d { + compatible = "nvidia,tegra20-gr2d"; + reg = <0x54140000 0x00040000>; + interrupts = <0 72 0x04>; + clocks = <&tegra_car TEGRA20_CLK_GR2D>; + resets = <&tegra_car 21>; + reset-names = "2d"; + }; + + gr3d { + compatible = "nvidia,tegra20-gr3d"; + reg = <0x54180000 0x00040000>; + clocks = <&tegra_car TEGRA20_CLK_GR3D>; + resets = <&tegra_car 24>; + reset-names = "3d"; + }; + + dc@54200000 { + compatible = "nvidia,tegra20-dc"; + reg = <0x54200000 0x00040000>; + interrupts = <0 73 0x04>; + clocks = <&tegra_car TEGRA20_CLK_DISP1>, + <&tegra_car TEGRA20_CLK_PLL_P>; + clock-names = "dc", "parent"; + resets = <&tegra_car 27>; + reset-names = "dc"; + + rgb { + status = "disabled"; + }; + }; + + dc@54240000 { + compatible = "nvidia,tegra20-dc"; + reg = <0x54240000 0x00040000>; + interrupts = <0 74 0x04>; + clocks = <&tegra_car TEGRA20_CLK_DISP2>, + <&tegra_car TEGRA20_CLK_PLL_P>; + clock-names = "dc", "parent"; + resets = <&tegra_car 26>; + reset-names = "dc"; + + rgb { + status = "disabled"; + }; + }; + + hdmi { + compatible = "nvidia,tegra20-hdmi"; + reg = <0x54280000 0x00040000>; + interrupts = <0 75 0x04>; + clocks = <&tegra_car TEGRA20_CLK_HDMI>, + <&tegra_car TEGRA20_CLK_PLL_D_OUT0>; + clock-names = "hdmi", "parent"; + resets = <&tegra_car 51>; + reset-names = "hdmi"; + status = "disabled"; + }; + + tvo { + compatible = "nvidia,tegra20-tvo"; + reg = <0x542c0000 0x00040000>; + interrupts = <0 76 0x04>; + clocks = <&tegra_car TEGRA20_CLK_TVO>; + status = "disabled"; + }; + + dsi { + compatible = "nvidia,tegra20-dsi"; + reg = <0x54300000 0x00040000>; + clocks = <&tegra_car TEGRA20_CLK_DSI>, + <&tegra_car TEGRA20_CLK_PLL_D_OUT0>; + clock-names = "dsi", "parent"; + resets = <&tegra_car 48>; + reset-names = "dsi"; + status = "disabled"; + }; + }; + + ... +}; |