ti,k2g-dss.yaml (2566B)
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2# Copyright 2019 Texas Instruments Incorporated 3%YAML 1.2 4--- 5$id: "http://devicetree.org/schemas/display/ti/ti,k2g-dss.yaml#" 6$schema: "http://devicetree.org/meta-schemas/core.yaml#" 7 8title: Texas Instruments K2G Display Subsystem 9 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 Display 16 SubSystem. It has only one output port and video plane. The 17 output is DPI. 18 19properties: 20 compatible: 21 const: ti,k2g-dss 22 23 reg: 24 items: 25 - description: cfg DSS top level 26 - description: common DISPC common 27 - description: VID1 video plane 1 28 - description: OVR1 overlay manager for vp1 29 - description: VP1 video port 1 30 31 reg-names: 32 items: 33 - const: cfg 34 - const: common 35 - const: vid1 36 - const: ovr1 37 - const: vp1 38 39 clocks: 40 items: 41 - description: fck DSS functional clock 42 - description: vp1 Video Port 1 pixel clock 43 44 clock-names: 45 items: 46 - const: fck 47 - const: vp1 48 49 interrupts: 50 maxItems: 1 51 52 power-domains: 53 maxItems: 1 54 description: phandle to the associated power domain 55 56 port: 57 $ref: /schemas/graph.yaml#/properties/port 58 description: 59 The DSS DPI output port node 60 61 max-memory-bandwidth: 62 $ref: /schemas/types.yaml#/definitions/uint32 63 description: 64 Input memory (from main memory to dispc) bandwidth limit in 65 bytes per second 66 67required: 68 - compatible 69 - reg 70 - reg-names 71 - clocks 72 - clock-names 73 - interrupts 74 - port 75 76additionalProperties: false 77 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 };