1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2# Copyright 2019 Texas Instruments Incorporated
3%YAML 1.2
4---
5$id: "http://devicetree.org/schemas/display/ti/ti,j721e-dss.yaml#"
6$schema: "http://devicetree.org/meta-schemas/core.yaml#"
7
8title: Texas Instruments J721E Display Subsystem
9
10maintainers:
11  - Jyri Sarha <jsarha@ti.com>
12  - Tomi Valkeinen <tomi.valkeinen@ti.com>
13
14description: |
15  The J721E TI Keystone Display SubSystem with four output ports and
16  four video planes. There is two full video planes and two "lite
17  planes" without scaling support. The video ports can be connected to
18  the SoC's DPI pins or to integrated display bridges on the SoC.
19
20properties:
21  compatible:
22    const: ti,j721e-dss
23
24  reg:
25    items:
26      - description: common_m DSS Master common
27      - description: common_s0 DSS Shared common 0
28      - description: common_s1 DSS Shared common 1
29      - description: common_s2 DSS Shared common 2
30      - description: VIDL1 light video plane 1
31      - description: VIDL2 light video plane 2
32      - description: VID1 video plane 1
33      - description: VID1 video plane 2
34      - description: OVR1 overlay manager for vp1
35      - description: OVR2 overlay manager for vp2
36      - description: OVR3 overlay manager for vp3
37      - description: OVR4 overlay manager for vp4
38      - description: VP1 video port 1
39      - description: VP2 video port 2
40      - description: VP3 video port 3
41      - description: VP4 video port 4
42      - description: WB Write Back
43
44  reg-names:
45    items:
46      - const: common_m
47      - const: common_s0
48      - const: common_s1
49      - const: common_s2
50      - const: vidl1
51      - const: vidl2
52      - const: vid1
53      - const: vid2
54      - const: ovr1
55      - const: ovr2
56      - const: ovr3
57      - const: ovr4
58      - const: vp1
59      - const: vp2
60      - const: vp3
61      - const: vp4
62      - const: wb
63
64  clocks:
65    items:
66      - description: fck DSS functional clock
67      - description: vp1 Video Port 1 pixel clock
68      - description: vp2 Video Port 2 pixel clock
69      - description: vp3 Video Port 3 pixel clock
70      - description: vp4 Video Port 4 pixel clock
71
72  clock-names:
73    items:
74      - const: fck
75      - const: vp1
76      - const: vp2
77      - const: vp3
78      - const: vp4
79
80  interrupts:
81     items:
82      - description: common_m DSS Master common
83      - description: common_s0 DSS Shared common 0
84      - description: common_s1 DSS Shared common 1
85      - description: common_s2 DSS Shared common 2
86
87  interrupt-names:
88    items:
89      - const: common_m
90      - const: common_s0
91      - const: common_s1
92      - const: common_s2
93
94  power-domains:
95    maxItems: 1
96    description: phandle to the associated power domain
97
98  ports:
99    type: object
100    description:
101      Ports as described in Documentation/devicetree/bindings/graph.txt
102    properties:
103      "#address-cells":
104        const: 1
105
106      "#size-cells":
107        const: 0
108
109      port@0:
110        type: object
111        description:
112          The output port node form video port 1
113
114      port@1:
115        type: object
116        description:
117          The output port node from video port 2
118
119      port@2:
120        type: object
121        description:
122          The output port node from video port 3
123
124      port@3:
125        type: object
126        description:
127          The output port node from video port 4
128
129    required:
130      - "#address-cells"
131      - "#size-cells"
132
133  max-memory-bandwidth:
134    $ref: /schemas/types.yaml#/definitions/uint32
135    description:
136      Input memory (from main memory to dispc) bandwidth limit in
137      bytes per second
138
139required:
140  - compatible
141  - reg
142  - reg-names
143  - clocks
144  - clock-names
145  - interrupts
146  - interrupt-names
147  - ports
148
149additionalProperties: false
150
151examples:
152  - |
153    #include <dt-bindings/interrupt-controller/arm-gic.h>
154    #include <dt-bindings/interrupt-controller/irq.h>
155    #include <dt-bindings/soc/ti,sci_pm_domain.h>
156
157    dss: dss@4a00000 {
158            compatible = "ti,j721e-dss";
159            reg =   <0x04a00000 0x10000>, /* common_m */
160                    <0x04a10000 0x10000>, /* common_s0*/
161                    <0x04b00000 0x10000>, /* common_s1*/
162                    <0x04b10000 0x10000>, /* common_s2*/
163                    <0x04a20000 0x10000>, /* vidl1 */
164                    <0x04a30000 0x10000>, /* vidl2 */
165                    <0x04a50000 0x10000>, /* vid1 */
166                    <0x04a60000 0x10000>, /* vid2 */
167                    <0x04a70000 0x10000>, /* ovr1 */
168                    <0x04a90000 0x10000>, /* ovr2 */
169                    <0x04ab0000 0x10000>, /* ovr3 */
170                    <0x04ad0000 0x10000>, /* ovr4 */
171                    <0x04a80000 0x10000>, /* vp1 */
172                    <0x04aa0000 0x10000>, /* vp2 */
173                    <0x04ac0000 0x10000>, /* vp3 */
174                    <0x04ae0000 0x10000>, /* vp4 */
175                    <0x04af0000 0x10000>; /* wb */
176            reg-names = "common_m", "common_s0",
177                    "common_s1", "common_s2",
178                    "vidl1", "vidl2","vid1","vid2",
179                    "ovr1", "ovr2", "ovr3", "ovr4",
180                    "vp1", "vp2", "vp3", "vp4",
181                    "wb";
182            clocks =        <&k3_clks 152 0>,
183                            <&k3_clks 152 1>,
184                            <&k3_clks 152 4>,
185                            <&k3_clks 152 9>,
186                            <&k3_clks 152 13>;
187            clock-names = "fck", "vp1", "vp2", "vp3", "vp4";
188            power-domains = <&k3_pds 152 TI_SCI_PD_EXCLUSIVE>;
189            interrupts =    <GIC_SPI 602 IRQ_TYPE_LEVEL_HIGH>,
190                            <GIC_SPI 603 IRQ_TYPE_LEVEL_HIGH>,
191                            <GIC_SPI 604 IRQ_TYPE_LEVEL_HIGH>,
192                            <GIC_SPI 605 IRQ_TYPE_LEVEL_HIGH>;
193            interrupt-names =       "common_m",
194                                    "common_s0",
195                                    "common_s1",
196                                    "common_s2";
197            ports {
198                    #address-cells = <1>;
199                    #size-cells = <0>;
200                    port@0 {
201                            reg = <0>;
202
203                            dpi_out_0: endpoint {
204                                    remote-endpoint = <&dp_bridge_input>;
205                            };
206                    };
207            };
208    };
209