@@ -20,6 +20,10 @@ Required properties:
- reset-names: Must include the following entries:
- host1x
+Each host1x client module having to perform DMA through the Memory Controller
+should have the interconnect endpoints set to the Memory Client and External
+Memory respectively.
+
The host1x top-level node defines a number of children, each representing one
of the following host1x client modules:
@@ -36,6 +40,12 @@ of the following host1x client modules:
- reset-names: Must include the following entries:
- mpe
+ Optional properties:
+ - interconnects: Must contain entry for the MPE memory clients.
+ - interconnect-names: Must include name of the interconnect path for each
+ interconnect entry. Consult TRM documentation for information about
+ available memory clients, see MEMORY CONTROLLER section.
+
- vi: video input
Required properties:
@@ -113,6 +123,12 @@ of the following host1x client modules:
Required properties:
- remote-endpoint: phandle to vi port 'endpoint' node.
+ Optional properties:
+ - interconnects: Must contain entry for the VI memory clients.
+ - interconnect-names: Must include name of the interconnect path for each
+ interconnect entry. Consult TRM documentation for information about
+ available memory clients, see MEMORY CONTROLLER section.
+
- epp: encoder pre-processor
Required properties:
@@ -126,6 +142,12 @@ of the following host1x client modules:
- reset-names: Must include the following entries:
- epp
+ Optional properties:
+ - interconnects: Must contain entry for the EPP memory clients.
+ - interconnect-names: Must include name of the interconnect path for each
+ interconnect entry. Consult TRM documentation for information about
+ available memory clients, see MEMORY CONTROLLER section.
+
- isp: image signal processor
Required properties:
@@ -139,6 +161,12 @@ of the following host1x client modules:
- reset-names: Must include the following entries:
- isp
+ Optional properties:
+ - interconnects: Must contain entry for the ISP memory clients.
+ - interconnect-names: Must include name of the interconnect path for each
+ interconnect entry. Consult TRM documentation for information about
+ available memory clients, see MEMORY CONTROLLER section.
+
- gr2d: 2D graphics engine
Required properties:
@@ -152,6 +180,12 @@ of the following host1x client modules:
- reset-names: Must include the following entries:
- 2d
+ Optional properties:
+ - interconnects: Must contain entry for the GR2D memory clients.
+ - interconnect-names: Must include name of the interconnect path for each
+ interconnect entry. Consult TRM documentation for information about
+ available memory clients, see MEMORY CONTROLLER section.
+
- gr3d: 3D graphics engine
Required properties:
@@ -170,6 +204,12 @@ of the following host1x client modules:
- 3d
- 3d2 (Only required on SoCs with two 3D clocks)
+ Optional properties:
+ - interconnects: Must contain entry for the GR3D memory clients.
+ - interconnect-names: Must include name of the interconnect path for each
+ interconnect entry. Consult TRM documentation for information about
+ available memory clients, see MEMORY CONTROLLER section.
+
- dc: display controller
Required properties:
@@ -197,6 +237,10 @@ of the following host1x client modules:
- nvidia,hpd-gpio: specifies a GPIO used for hotplug detection
- nvidia,edid: supplies a binary EDID blob
- nvidia,panel: phandle of a display panel
+ - interconnects: Must contain entry for the DC memory clients.
+ - interconnect-names: Must include name of the interconnect path for each
+ interconnect entry. Consult TRM documentation for information about
+ available memory clients, see MEMORY CONTROLLER section.
- hdmi: High Definition Multimedia Interface
@@ -345,6 +389,12 @@ of the following host1x client modules:
- reset-names: Must include the following entries:
- vic
+ Optional properties:
+ - interconnects: Must contain entry for the VIC memory clients.
+ - interconnect-names: Must include name of the interconnect path for each
+ interconnect entry. Consult TRM documentation for information about
+ available memory clients, see MEMORY CONTROLLER section.
+
Example:
/ {
@@ -498,6 +548,15 @@ Example:
resets = <&tegra_car 27>;
reset-names = "dc";
+ interconnects = <&mc TEGRA20_MC_DISPLAY0A &emc>,
+ <&mc TEGRA20_MC_DISPLAY0B &emc>,
+ <&mc TEGRA20_MC_DISPLAY0C &emc>,
+ <&mc TEGRA20_MC_DISPLAY1B &emc>;
+ interconnect-names = "wina",
+ "winb",
+ "winc",
+ "cursor";
+
rgb {
status = "disabled";
};
@@ -513,6 +572,15 @@ Example:
resets = <&tegra_car 26>;
reset-names = "dc";
+ interconnects = <&mc TEGRA20_MC_DISPLAY0AB &emc>,
+ <&mc TEGRA20_MC_DISPLAY0BB &emc>,
+ <&mc TEGRA20_MC_DISPLAY0CB &emc>,
+ <&mc TEGRA20_MC_DISPLAY1BB &emc>;
+ interconnect-names = "wina",
+ "winb",
+ "winc",
+ "cursor";
+
rgb {
status = "disabled";
};