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1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)2# Copyright 2019 Texas Instruments Incorporated3%YAML 1.24---5$id: http://devicetree.org/schemas/display/ti/ti,k2g-dss.yaml#6$schema: http://devicetree.org/meta-schemas/core.yaml#7 8title: Texas Instruments K2G Display Subsystem9 10maintainers:11 - Jyri Sarha <jsarha@ti.com>12 - Tomi Valkeinen <tomi.valkeinen@ti.com>13 14description: |15 The K2G DSS is an ultra-light version of TI Keystone Display16 SubSystem. It has only one output port and video plane. The17 output is DPI.18 19properties:20 compatible:21 const: ti,k2g-dss22 23 reg:24 items:25 - description: cfg DSS top level26 - description: common DISPC common27 - description: VID1 video plane 128 - description: OVR1 overlay manager for vp129 - description: VP1 video port 130 31 reg-names:32 items:33 - const: cfg34 - const: common35 - const: vid136 - const: ovr137 - const: vp138 39 clocks:40 items:41 - description: fck DSS functional clock42 - description: vp1 Video Port 1 pixel clock43 44 clock-names:45 items:46 - const: fck47 - const: vp148 49 interrupts:50 maxItems: 151 52 power-domains:53 maxItems: 154 description: phandle to the associated power domain55 56 port:57 $ref: /schemas/graph.yaml#/properties/port58 description:59 The DSS DPI output port node60 61 max-memory-bandwidth:62 $ref: /schemas/types.yaml#/definitions/uint3263 description:64 Input memory (from main memory to dispc) bandwidth limit in65 bytes per second66 67required:68 - compatible69 - reg70 - reg-names71 - clocks72 - clock-names73 - interrupts74 - port75 76additionalProperties: false77 78examples:79 - |80 #include <dt-bindings/interrupt-controller/arm-gic.h>81 #include <dt-bindings/interrupt-controller/irq.h>82 83 dss: dss@2540000 {84 compatible = "ti,k2g-dss";85 reg = <0x02540000 0x400>,86 <0x02550000 0x1000>,87 <0x02557000 0x1000>,88 <0x0255a800 0x100>,89 <0x0255ac00 0x100>;90 reg-names = "cfg", "common", "vid1", "ovr1", "vp1";91 clocks = <&k2g_clks 0x2 0>,92 <&k2g_clks 0x2 1>;93 clock-names = "fck", "vp1";94 interrupts = <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>;95 96 power-domains = <&k2g_pds 0x2>;97 98 max-memory-bandwidth = <230000000>;99 100 port {101 dpi_out: endpoint {102 remote-endpoint = <&sii9022_in>;103 };104 };105 };106