ti,am65x-dss.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 # Copyright 2019 Texas Instruments Incorporated
    3 %YAML 1.2
    4 ---
    5 $id: "http://devicetree.org/schemas/display/ti/ti,am65x-dss.yaml#"
    6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    7 
    8 title: Texas Instruments AM65x Display Subsystem
    9 
   10 maintainers:
   11   - Jyri Sarha <jsarha@ti.com>
   12   - Tomi Valkeinen <tomi.valkeinen@ti.com>
   13 
   14 description: |
   15   The AM65x TI Keystone Display SubSystem with two output ports and
   16   two video planes. The first video port supports OLDI and the second
   17   supports DPI format. The fist plane is full video plane with all
   18   features and the second is a "lite plane" without scaling support.
   19 
   20 properties:
   21   compatible:
   22     const: ti,am65x-dss
   23 
   24   reg:
   25     description:
   26       Addresses to each DSS memory region described in the SoC's TRM.
   27     items:
   28       - description: common DSS register area
   29       - description: VIDL1 light video plane
   30       - description: VID video plane
   31       - description: OVR1 overlay manager for vp1
   32       - description: OVR2 overlay manager for vp2
   33       - description: VP1 video port 1
   34       - description: VP2 video port 2
   35 
   36   reg-names:
   37     items:
   38       - const: common
   39       - const: vidl1
   40       - const: vid
   41       - const: ovr1
   42       - const: ovr2
   43       - const: vp1
   44       - const: vp2
   45 
   46   clocks:
   47     items:
   48       - description: fck DSS functional clock
   49       - description: vp1 Video Port 1 pixel clock
   50       - description: vp2 Video Port 2 pixel clock
   51 
   52   clock-names:
   53     items:
   54       - const: fck
   55       - const: vp1
   56       - const: vp2
   57 
   58   assigned-clocks:
   59     minItems: 1
   60     maxItems: 3
   61 
   62   assigned-clock-parents:
   63     minItems: 1
   64     maxItems: 3
   65 
   66   interrupts:
   67     maxItems: 1
   68 
   69   power-domains:
   70     maxItems: 1
   71     description: phandle to the associated power domain
   72 
   73   dma-coherent:
   74     type: boolean
   75 
   76   ports:
   77     $ref: /schemas/graph.yaml#/properties/ports
   78 
   79     properties:
   80       port@0:
   81         $ref: /schemas/graph.yaml#/properties/port
   82         description:
   83           The DSS OLDI output port node form video port 1
   84 
   85       port@1:
   86         $ref: /schemas/graph.yaml#/properties/port
   87         description:
   88           The DSS DPI output port node from video port 2
   89 
   90   ti,am65x-oldi-io-ctrl:
   91     $ref: "/schemas/types.yaml#/definitions/phandle"
   92     description:
   93       phandle to syscon device node mapping OLDI IO_CTRL registers.
   94       The mapped range should point to OLDI_DAT0_IO_CTRL, map it and
   95       following OLDI_DAT1_IO_CTRL, OLDI_DAT2_IO_CTRL, OLDI_DAT3_IO_CTRL,
   96       and OLDI_CLK_IO_CTRL registers. This property is needed for OLDI
   97       interface to work.
   98 
   99   max-memory-bandwidth:
  100     $ref: /schemas/types.yaml#/definitions/uint32
  101     description:
  102       Input memory (from main memory to dispc) bandwidth limit in
  103       bytes per second
  104 
  105 required:
  106   - compatible
  107   - reg
  108   - reg-names
  109   - clocks
  110   - clock-names
  111   - interrupts
  112   - ports
  113 
  114 additionalProperties: false
  115 
  116 examples:
  117   - |
  118     #include <dt-bindings/interrupt-controller/arm-gic.h>
  119     #include <dt-bindings/interrupt-controller/irq.h>
  120     #include <dt-bindings/soc/ti,sci_pm_domain.h>
  121 
  122     dss: dss@4a00000 {
  123             compatible = "ti,am65x-dss";
  124             reg =   <0x04a00000 0x1000>, /* common */
  125                     <0x04a02000 0x1000>, /* vidl1 */
  126                     <0x04a06000 0x1000>, /* vid */
  127                     <0x04a07000 0x1000>, /* ovr1 */
  128                     <0x04a08000 0x1000>, /* ovr2 */
  129                     <0x04a0a000 0x1000>, /* vp1 */
  130                     <0x04a0b000 0x1000>; /* vp2 */
  131             reg-names = "common", "vidl1", "vid",
  132                     "ovr1", "ovr2", "vp1", "vp2";
  133             ti,am65x-oldi-io-ctrl = <&dss_oldi_io_ctrl>;
  134             power-domains = <&k3_pds 67 TI_SCI_PD_EXCLUSIVE>;
  135             clocks =        <&k3_clks 67 1>,
  136                             <&k3_clks 216 1>,
  137                             <&k3_clks 67 2>;
  138             clock-names = "fck", "vp1", "vp2";
  139             interrupts = <GIC_SPI 166 IRQ_TYPE_EDGE_RISING>;
  140             ports {
  141                     #address-cells = <1>;
  142                     #size-cells = <0>;
  143                     port@0 {
  144                             reg = <0>;
  145                             oldi_out0: endpoint {
  146                                     remote-endpoint = <&lcd_in0>;
  147                             };
  148                     };
  149             };
  150     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/display/ti/ti,am65x-dss.yaml

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sys/contrib/device-tree/Bindings/display/ti/ti,am65x-dss.yaml