1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/remoteproc/ 4 $id: http://devicetree.org/schemas/remoteproc/ti,k3-dsp-rproc.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: TI K3 DSP devices 7 title: TI K3 DSP devices
8 8
9 maintainers: 9 maintainers:
10 - Suman Anna <s-anna@ti.com> 10 - Suman Anna <s-anna@ti.com>
11 11
12 description: | 12 description: |
13 The TI K3 family of SoCs usually have one or 13 The TI K3 family of SoCs usually have one or more TI DSP Core sub-systems
14 that are used to offload some of the process 14 that are used to offload some of the processor-intensive tasks or algorithms,
15 for achieving various system level goals. 15 for achieving various system level goals.
16 16
17 These processor sub-systems usually contain 17 These processor sub-systems usually contain additional sub-modules like
18 L1 and/or L2 caches/SRAMs, an Interrupt Cont 18 L1 and/or L2 caches/SRAMs, an Interrupt Controller, an external memory
19 controller, a dedicated local power/sleep co 19 controller, a dedicated local power/sleep controller etc. The DSP processor
20 cores in the K3 SoCs are usually either a TM 20 cores in the K3 SoCs are usually either a TMS320C66x CorePac processor or a
21 TMS320C71x CorePac processor. 21 TMS320C71x CorePac processor.
22 22
23 Each DSP Core sub-system is represented as a 23 Each DSP Core sub-system is represented as a single DT node. Each node has a
24 number of required or optional properties th 24 number of required or optional properties that enable the OS running on the
25 host processor (Arm CorePac) to perform the 25 host processor (Arm CorePac) to perform the device management of the remote
26 processor and to communicate with the remote 26 processor and to communicate with the remote processor.
27 27
28 properties: 28 properties:
29 compatible: 29 compatible:
30 enum: 30 enum:
31 - ti,am62a-c7xv-dsp 31 - ti,am62a-c7xv-dsp
32 - ti,j721e-c66-dsp 32 - ti,j721e-c66-dsp
33 - ti,j721e-c71-dsp 33 - ti,j721e-c71-dsp
34 - ti,j721s2-c71-dsp 34 - ti,j721s2-c71-dsp
35 description: 35 description:
36 Use "ti,am62a-c7xv-dsp" for AM62A Deep l 36 Use "ti,am62a-c7xv-dsp" for AM62A Deep learning DSPs on K3 AM62A SoCs
37 Use "ti,j721e-c66-dsp" for C66x DSPs on 37 Use "ti,j721e-c66-dsp" for C66x DSPs on K3 J721E SoCs
38 Use "ti,j721e-c71-dsp" for C71x DSPs on 38 Use "ti,j721e-c71-dsp" for C71x DSPs on K3 J721E SoCs
39 Use "ti,j721s2-c71-dsp" for C71x DSPs on 39 Use "ti,j721s2-c71-dsp" for C71x DSPs on K3 J721S2 SoCs
40 40
41 resets: 41 resets:
42 description: | 42 description: |
43 Should contain the phandle to the reset 43 Should contain the phandle to the reset controller node managing the
44 local resets for this device, and a rese 44 local resets for this device, and a reset specifier.
45 maxItems: 1 45 maxItems: 1
46 46
47 firmware-name: 47 firmware-name:
48 description: | 48 description: |
49 Should contain the name of the default f 49 Should contain the name of the default firmware image
50 file located on the firmware search path 50 file located on the firmware search path
51 51
52 mboxes: 52 mboxes:
53 description: | 53 description: |
54 OMAP Mailbox specifier denoting the sub- 54 OMAP Mailbox specifier denoting the sub-mailbox, to be used for
55 communication with the remote processor. 55 communication with the remote processor. This property should match
56 with the sub-mailbox node used in the fi 56 with the sub-mailbox node used in the firmware image.
57 maxItems: 1 57 maxItems: 1
58 58
59 memory-region: 59 memory-region:
60 minItems: 2 60 minItems: 2
61 maxItems: 8 61 maxItems: 8
62 description: | 62 description: |
63 phandle to the reserved memory nodes to 63 phandle to the reserved memory nodes to be associated with the remoteproc
64 device. There should be at least two res 64 device. There should be at least two reserved memory nodes defined. The
65 reserved memory nodes should be carveout 65 reserved memory nodes should be carveout nodes, and should be defined as
66 per the bindings in 66 per the bindings in
67 Documentation/devicetree/bindings/reserv 67 Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
68 items: 68 items:
69 - description: region used for dynamic D 69 - description: region used for dynamic DMA allocations like vrings and
70 vring buffers 70 vring buffers
71 - description: region reserved for firmw 71 - description: region reserved for firmware image sections
72 additionalItems: true 72 additionalItems: true
73 73
74 # Optional properties: 74 # Optional properties:
75 # -------------------- 75 # --------------------
76 76
77 sram: 77 sram:
78 $ref: /schemas/types.yaml#/definitions/pha 78 $ref: /schemas/types.yaml#/definitions/phandle-array
79 minItems: 1 79 minItems: 1
80 maxItems: 4 80 maxItems: 4
81 items: 81 items:
82 maxItems: 1 82 maxItems: 1
83 description: | 83 description: |
84 phandles to one or more reserved on-chip 84 phandles to one or more reserved on-chip SRAM regions. The regions
85 should be defined as child nodes of the 85 should be defined as child nodes of the respective SRAM node, and
86 should be defined as per the generic bin 86 should be defined as per the generic bindings in,
87 Documentation/devicetree/bindings/sram/s 87 Documentation/devicetree/bindings/sram/sram.yaml
88 88
89 allOf: 89 allOf:
90 - if: 90 - if:
91 properties: 91 properties:
92 compatible: 92 compatible:
93 enum: 93 enum:
94 - ti,j721e-c66-dsp 94 - ti,j721e-c66-dsp
95 then: 95 then:
96 properties: 96 properties:
97 reg: 97 reg:
98 items: 98 items:
99 - description: Address and Size of 99 - description: Address and Size of the L2 SRAM internal memory region
100 - description: Address and Size of 100 - description: Address and Size of the L1 PRAM internal memory region
101 - description: Address and Size of 101 - description: Address and Size of the L1 DRAM internal memory region
102 reg-names: 102 reg-names:
103 items: 103 items:
104 - const: l2sram 104 - const: l2sram
105 - const: l1pram 105 - const: l1pram
106 - const: l1dram 106 - const: l1dram
107 107
108 - if: 108 - if:
109 properties: 109 properties:
110 compatible: 110 compatible:
111 enum: 111 enum:
112 - ti,j721e-c71-dsp 112 - ti,j721e-c71-dsp
113 - ti,j721s2-c71-dsp 113 - ti,j721s2-c71-dsp
114 then: 114 then:
115 properties: 115 properties:
116 reg: 116 reg:
117 items: 117 items:
118 - description: Address and Size of 118 - description: Address and Size of the L2 SRAM internal memory region
119 - description: Address and Size of 119 - description: Address and Size of the L1 DRAM internal memory region
120 reg-names: 120 reg-names:
121 items: 121 items:
122 - const: l2sram 122 - const: l2sram
123 - const: l1dram 123 - const: l1dram
124 124
125 - if: 125 - if:
126 properties: 126 properties:
127 compatible: 127 compatible:
128 enum: 128 enum:
129 - ti,am62a-c7xv-dsp 129 - ti,am62a-c7xv-dsp
130 then: 130 then:
131 properties: 131 properties:
132 reg: 132 reg:
133 items: 133 items:
134 - description: Address and Size of 134 - description: Address and Size of the L2 SRAM internal memory region
135 reg-names: 135 reg-names:
136 items: 136 items:
137 - const: l2sram 137 - const: l2sram
138 138
139 - $ref: /schemas/arm/keystone/ti,k3-sci-comm 139 - $ref: /schemas/arm/keystone/ti,k3-sci-common.yaml#
140 140
141 required: 141 required:
142 - compatible 142 - compatible
143 - reg 143 - reg
144 - reg-names 144 - reg-names
145 - ti,sci 145 - ti,sci
146 - ti,sci-dev-id 146 - ti,sci-dev-id
147 - ti,sci-proc-ids 147 - ti,sci-proc-ids
148 - resets 148 - resets
149 - firmware-name 149 - firmware-name
150 - mboxes 150 - mboxes
151 - memory-region 151 - memory-region
152 152
153 unevaluatedProperties: false 153 unevaluatedProperties: false
154 154
155 examples: 155 examples:
156 - | 156 - |
157 soc { 157 soc {
158 #address-cells = <2>; 158 #address-cells = <2>;
159 #size-cells = <2>; 159 #size-cells = <2>;
160 160
161 mailbox0_cluster3: mailbox-0 { 161 mailbox0_cluster3: mailbox-0 {
162 #mbox-cells = <1>; 162 #mbox-cells = <1>;
163 }; 163 };
164 164
165 mailbox0_cluster4: mailbox-1 { 165 mailbox0_cluster4: mailbox-1 {
166 #mbox-cells = <1>; 166 #mbox-cells = <1>;
167 }; 167 };
168 168
169 bus@100000 { 169 bus@100000 {
170 compatible = "simple-bus"; 170 compatible = "simple-bus";
171 #address-cells = <2>; 171 #address-cells = <2>;
172 #size-cells = <2>; 172 #size-cells = <2>;
173 ranges = <0x00 0x00100000 0x00 0x0 173 ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */
174 <0x00 0x64800000 0x00 0x6 174 <0x00 0x64800000 0x00 0x64800000 0x00 0x00800000>, /* C71_0 */
175 <0x4d 0x80800000 0x4d 0x8 175 <0x4d 0x80800000 0x4d 0x80800000 0x00 0x00800000>, /* C66_0 */
176 <0x4d 0x81800000 0x4d 0x8 176 <0x4d 0x81800000 0x4d 0x81800000 0x00 0x00800000>; /* C66_1 */
177 177
178 /* J721E C66_0 DSP node */ 178 /* J721E C66_0 DSP node */
179 dsp@4d80800000 { 179 dsp@4d80800000 {
180 compatible = "ti,j721e-c66-dsp 180 compatible = "ti,j721e-c66-dsp";
181 reg = <0x4d 0x80800000 0x00 0x 181 reg = <0x4d 0x80800000 0x00 0x00048000>,
182 <0x4d 0x80e00000 0x00 0x 182 <0x4d 0x80e00000 0x00 0x00008000>,
183 <0x4d 0x80f00000 0x00 0x 183 <0x4d 0x80f00000 0x00 0x00008000>;
184 reg-names = "l2sram", "l1pram" 184 reg-names = "l2sram", "l1pram", "l1dram";
185 ti,sci = <&dmsc>; 185 ti,sci = <&dmsc>;
186 ti,sci-dev-id = <142>; 186 ti,sci-dev-id = <142>;
187 ti,sci-proc-ids = <0x03 0xFF>; 187 ti,sci-proc-ids = <0x03 0xFF>;
188 resets = <&k3_reset 142 1>; 188 resets = <&k3_reset 142 1>;
189 firmware-name = "j7-c66_0-fw"; 189 firmware-name = "j7-c66_0-fw";
190 memory-region = <&c66_0_dma_me 190 memory-region = <&c66_0_dma_memory_region>,
191 <&c66_0_memory 191 <&c66_0_memory_region>;
192 mboxes = <&mailbox0_cluster3 & 192 mboxes = <&mailbox0_cluster3 &mbox_c66_0>;
193 }; 193 };
194 194
195 /* J721E C71_0 DSP node */ 195 /* J721E C71_0 DSP node */
196 c71_0: dsp@64800000 { 196 c71_0: dsp@64800000 {
197 compatible = "ti,j721e-c71-dsp 197 compatible = "ti,j721e-c71-dsp";
198 reg = <0x00 0x64800000 0x00 0x 198 reg = <0x00 0x64800000 0x00 0x00080000>,
199 <0x00 0x64e00000 0x00 0x 199 <0x00 0x64e00000 0x00 0x0000c000>;
200 reg-names = "l2sram", "l1dram" 200 reg-names = "l2sram", "l1dram";
201 ti,sci = <&dmsc>; 201 ti,sci = <&dmsc>;
202 ti,sci-dev-id = <15>; 202 ti,sci-dev-id = <15>;
203 ti,sci-proc-ids = <0x30 0xFF>; 203 ti,sci-proc-ids = <0x30 0xFF>;
204 resets = <&k3_reset 15 1>; 204 resets = <&k3_reset 15 1>;
205 firmware-name = "j7-c71_0-fw"; 205 firmware-name = "j7-c71_0-fw";
206 memory-region = <&c71_0_dma_me 206 memory-region = <&c71_0_dma_memory_region>,
207 <&c71_0_memory 207 <&c71_0_memory_region>;
208 mboxes = <&mailbox0_cluster4 & 208 mboxes = <&mailbox0_cluster4 &mbox_c71_0>;
209 }; 209 };
210 }; 210 };
211 }; 211 };
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