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-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'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:
- - vi
-
-- 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 {
- compatible = "nvidia,tegra20-vi";
- reg = <0x54080000 0x00040000>;
- interrupts = <0 69 0x04>;
- clocks = <&tegra_car TEGRA20_CLK_VI>;
- resets = <&tegra_car 100>;
- reset-names = "vi";
- };
-
- 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";
- };
- };
-
- ...
-};