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 allOf:
>> 29 - $ref: /schemas/arm/keystone/ti,k3-sci-common.yaml#
>> 30
28 properties: 31 properties:
29 compatible: 32 compatible:
30 enum: 33 enum:
31 - ti,am62a-c7xv-dsp <<
32 - ti,j721e-c66-dsp 34 - ti,j721e-c66-dsp
33 - ti,j721e-c71-dsp 35 - ti,j721e-c71-dsp
34 - ti,j721s2-c71-dsp <<
35 description: 36 description:
36 Use "ti,am62a-c7xv-dsp" for AM62A Deep l <<
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 <<
40 39
41 resets: 40 resets:
42 description: | 41 description: |
43 Should contain the phandle to the reset 42 Should contain the phandle to the reset controller node managing the
44 local resets for this device, and a rese 43 local resets for this device, and a reset specifier.
45 maxItems: 1 44 maxItems: 1
46 45
47 firmware-name: 46 firmware-name:
48 description: | 47 description: |
49 Should contain the name of the default f 48 Should contain the name of the default firmware image
50 file located on the firmware search path 49 file located on the firmware search path
51 50
52 mboxes: 51 mboxes:
53 description: | 52 description: |
54 OMAP Mailbox specifier denoting the sub- 53 OMAP Mailbox specifier denoting the sub-mailbox, to be used for
55 communication with the remote processor. 54 communication with the remote processor. This property should match
56 with the sub-mailbox node used in the fi 55 with the sub-mailbox node used in the firmware image.
57 maxItems: 1 56 maxItems: 1
58 57
59 memory-region: 58 memory-region:
60 minItems: 2 59 minItems: 2
61 maxItems: 8 60 maxItems: 8
62 description: | 61 description: |
63 phandle to the reserved memory nodes to 62 phandle to the reserved memory nodes to be associated with the remoteproc
64 device. There should be at least two res 63 device. There should be at least two reserved memory nodes defined. The
65 reserved memory nodes should be carveout 64 reserved memory nodes should be carveout nodes, and should be defined as
66 per the bindings in 65 per the bindings in
67 Documentation/devicetree/bindings/reserv 66 Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
68 items: 67 items:
69 - description: region used for dynamic D 68 - description: region used for dynamic DMA allocations like vrings and
70 vring buffers 69 vring buffers
71 - description: region reserved for firmw 70 - description: region reserved for firmware image sections
72 additionalItems: true 71 additionalItems: true
73 72
74 # Optional properties: 73 # Optional properties:
75 # -------------------- 74 # --------------------
76 75
77 sram: 76 sram:
78 $ref: /schemas/types.yaml#/definitions/pha 77 $ref: /schemas/types.yaml#/definitions/phandle-array
79 minItems: 1 78 minItems: 1
80 maxItems: 4 79 maxItems: 4
81 items: <<
82 maxItems: 1 <<
83 description: | 80 description: |
84 phandles to one or more reserved on-chip 81 phandles to one or more reserved on-chip SRAM regions. The regions
85 should be defined as child nodes of the 82 should be defined as child nodes of the respective SRAM node, and
86 should be defined as per the generic bin 83 should be defined as per the generic bindings in,
87 Documentation/devicetree/bindings/sram/s 84 Documentation/devicetree/bindings/sram/sram.yaml
88 85
89 allOf: !! 86 if:
90 - if: !! 87 properties:
91 properties: !! 88 compatible:
92 compatible: !! 89 enum:
93 enum: !! 90 - ti,j721e-c66-dsp
94 - ti,j721e-c66-dsp !! 91 then:
95 then: !! 92 properties:
96 properties: !! 93 reg:
97 reg: !! 94 items:
98 items: !! 95 - description: Address and Size of the L2 SRAM internal memory region
99 - description: Address and Size of !! 96 - description: Address and Size of the L1 PRAM internal memory region
100 - description: Address and Size of !! 97 - description: Address and Size of the L1 DRAM internal memory region
101 - description: Address and Size of !! 98 reg-names:
102 reg-names: !! 99 items:
103 items: !! 100 - const: l2sram
104 - const: l2sram !! 101 - const: l1pram
105 - const: l1pram !! 102 - const: l1dram
106 - const: l1dram !! 103 else:
107 !! 104 if:
108 - if: !! 105 properties:
109 properties: !! 106 compatible:
110 compatible: !! 107 enum:
111 enum: !! 108 - ti,j721e-c71-dsp
112 - ti,j721e-c71-dsp !! 109 then:
113 - ti,j721s2-c71-dsp !! 110 properties:
114 then: !! 111 reg:
115 properties: !! 112 items:
116 reg: !! 113 - description: Address and Size of the L2 SRAM internal memory region
117 items: !! 114 - description: Address and Size of the L1 DRAM internal memory region
118 - description: Address and Size of !! 115 reg-names:
119 - description: Address and Size of !! 116 items:
120 reg-names: !! 117 - const: l2sram
121 items: !! 118 - const: l1dram
122 - const: l2sram <<
123 - const: l1dram <<
124 <<
125 - if: <<
126 properties: <<
127 compatible: <<
128 enum: <<
129 - ti,am62a-c7xv-dsp <<
130 then: <<
131 properties: <<
132 reg: <<
133 items: <<
134 - description: Address and Size of <<
135 reg-names: <<
136 items: <<
137 - const: l2sram <<
138 <<
139 - $ref: /schemas/arm/keystone/ti,k3-sci-comm <<
140 119
141 required: 120 required:
142 - compatible 121 - compatible
143 - reg 122 - reg
144 - reg-names 123 - reg-names
145 - ti,sci 124 - ti,sci
146 - ti,sci-dev-id 125 - ti,sci-dev-id
147 - ti,sci-proc-ids 126 - ti,sci-proc-ids
148 - resets 127 - resets
149 - firmware-name 128 - firmware-name
150 - mboxes 129 - mboxes
151 - memory-region 130 - memory-region
152 131
153 unevaluatedProperties: false 132 unevaluatedProperties: false
154 133
155 examples: 134 examples:
156 - | 135 - |
157 soc { !! 136 / {
>> 137 model = "Texas Instruments K3 J721E SoC";
>> 138 compatible = "ti,j721e";
158 #address-cells = <2>; 139 #address-cells = <2>;
159 #size-cells = <2>; 140 #size-cells = <2>;
160 <<
161 mailbox0_cluster3: mailbox-0 { <<
162 #mbox-cells = <1>; <<
163 }; <<
164 <<
165 mailbox0_cluster4: mailbox-1 { <<
166 #mbox-cells = <1>; <<
167 }; <<
168 141
169 bus@100000 { 142 bus@100000 {
170 compatible = "simple-bus"; 143 compatible = "simple-bus";
171 #address-cells = <2>; 144 #address-cells = <2>;
172 #size-cells = <2>; 145 #size-cells = <2>;
173 ranges = <0x00 0x00100000 0x00 0x0 146 ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */
174 <0x00 0x64800000 0x00 0x6 147 <0x00 0x64800000 0x00 0x64800000 0x00 0x00800000>, /* C71_0 */
175 <0x4d 0x80800000 0x4d 0x8 148 <0x4d 0x80800000 0x4d 0x80800000 0x00 0x00800000>, /* C66_0 */
176 <0x4d 0x81800000 0x4d 0x8 149 <0x4d 0x81800000 0x4d 0x81800000 0x00 0x00800000>; /* C66_1 */
177 150
178 /* J721E C66_0 DSP node */ 151 /* J721E C66_0 DSP node */
179 dsp@4d80800000 { 152 dsp@4d80800000 {
180 compatible = "ti,j721e-c66-dsp 153 compatible = "ti,j721e-c66-dsp";
181 reg = <0x4d 0x80800000 0x00 0x 154 reg = <0x4d 0x80800000 0x00 0x00048000>,
182 <0x4d 0x80e00000 0x00 0x 155 <0x4d 0x80e00000 0x00 0x00008000>,
183 <0x4d 0x80f00000 0x00 0x 156 <0x4d 0x80f00000 0x00 0x00008000>;
184 reg-names = "l2sram", "l1pram" 157 reg-names = "l2sram", "l1pram", "l1dram";
185 ti,sci = <&dmsc>; 158 ti,sci = <&dmsc>;
186 ti,sci-dev-id = <142>; 159 ti,sci-dev-id = <142>;
187 ti,sci-proc-ids = <0x03 0xFF>; 160 ti,sci-proc-ids = <0x03 0xFF>;
188 resets = <&k3_reset 142 1>; 161 resets = <&k3_reset 142 1>;
189 firmware-name = "j7-c66_0-fw"; 162 firmware-name = "j7-c66_0-fw";
190 memory-region = <&c66_0_dma_me 163 memory-region = <&c66_0_dma_memory_region>,
191 <&c66_0_memory 164 <&c66_0_memory_region>;
192 mboxes = <&mailbox0_cluster3 & 165 mboxes = <&mailbox0_cluster3 &mbox_c66_0>;
193 }; 166 };
194 167
195 /* J721E C71_0 DSP node */ 168 /* J721E C71_0 DSP node */
196 c71_0: dsp@64800000 { 169 c71_0: dsp@64800000 {
197 compatible = "ti,j721e-c71-dsp 170 compatible = "ti,j721e-c71-dsp";
198 reg = <0x00 0x64800000 0x00 0x 171 reg = <0x00 0x64800000 0x00 0x00080000>,
199 <0x00 0x64e00000 0x00 0x 172 <0x00 0x64e00000 0x00 0x0000c000>;
200 reg-names = "l2sram", "l1dram" 173 reg-names = "l2sram", "l1dram";
201 ti,sci = <&dmsc>; 174 ti,sci = <&dmsc>;
202 ti,sci-dev-id = <15>; 175 ti,sci-dev-id = <15>;
203 ti,sci-proc-ids = <0x30 0xFF>; 176 ti,sci-proc-ids = <0x30 0xFF>;
204 resets = <&k3_reset 15 1>; 177 resets = <&k3_reset 15 1>;
205 firmware-name = "j7-c71_0-fw"; 178 firmware-name = "j7-c71_0-fw";
206 memory-region = <&c71_0_dma_me 179 memory-region = <&c71_0_dma_memory_region>,
207 <&c71_0_memory 180 <&c71_0_memory_region>;
208 mboxes = <&mailbox0_cluster4 & 181 mboxes = <&mailbox0_cluster4 &mbox_c71_0>;
209 }; 182 };
210 }; 183 };
211 }; 184 };
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