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 36 - ti,j721s2-c71-dsp
35 description: 37 description:
36 Use "ti,am62a-c7xv-dsp" for AM62A Deep l <<
37 Use "ti,j721e-c66-dsp" for C66x DSPs on 38 Use "ti,j721e-c66-dsp" for C66x DSPs on K3 J721E SoCs
38 Use "ti,j721e-c71-dsp" for C71x DSPs on 39 Use "ti,j721e-c71-dsp" for C71x DSPs on K3 J721E SoCs
39 Use "ti,j721s2-c71-dsp" for C71x DSPs on 40 Use "ti,j721s2-c71-dsp" for C71x DSPs on K3 J721S2 SoCs
40 41
41 resets: 42 resets:
42 description: | 43 description: |
43 Should contain the phandle to the reset 44 Should contain the phandle to the reset controller node managing the
44 local resets for this device, and a rese 45 local resets for this device, and a reset specifier.
45 maxItems: 1 46 maxItems: 1
46 47
47 firmware-name: 48 firmware-name:
48 description: | 49 description: |
49 Should contain the name of the default f 50 Should contain the name of the default firmware image
50 file located on the firmware search path 51 file located on the firmware search path
51 52
52 mboxes: 53 mboxes:
53 description: | 54 description: |
54 OMAP Mailbox specifier denoting the sub- 55 OMAP Mailbox specifier denoting the sub-mailbox, to be used for
55 communication with the remote processor. 56 communication with the remote processor. This property should match
56 with the sub-mailbox node used in the fi 57 with the sub-mailbox node used in the firmware image.
57 maxItems: 1 58 maxItems: 1
58 59
59 memory-region: 60 memory-region:
60 minItems: 2 61 minItems: 2
61 maxItems: 8 62 maxItems: 8
62 description: | 63 description: |
63 phandle to the reserved memory nodes to 64 phandle to the reserved memory nodes to be associated with the remoteproc
64 device. There should be at least two res 65 device. There should be at least two reserved memory nodes defined. The
65 reserved memory nodes should be carveout 66 reserved memory nodes should be carveout nodes, and should be defined as
66 per the bindings in 67 per the bindings in
67 Documentation/devicetree/bindings/reserv 68 Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
68 items: 69 items:
69 - description: region used for dynamic D 70 - description: region used for dynamic DMA allocations like vrings and
70 vring buffers 71 vring buffers
71 - description: region reserved for firmw 72 - description: region reserved for firmware image sections
72 additionalItems: true 73 additionalItems: true
73 74
74 # Optional properties: 75 # Optional properties:
75 # -------------------- 76 # --------------------
76 77
77 sram: 78 sram:
78 $ref: /schemas/types.yaml#/definitions/pha 79 $ref: /schemas/types.yaml#/definitions/phandle-array
79 minItems: 1 80 minItems: 1
80 maxItems: 4 81 maxItems: 4
81 items: <<
82 maxItems: 1 <<
83 description: | 82 description: |
84 phandles to one or more reserved on-chip 83 phandles to one or more reserved on-chip SRAM regions. The regions
85 should be defined as child nodes of the 84 should be defined as child nodes of the respective SRAM node, and
86 should be defined as per the generic bin 85 should be defined as per the generic bindings in,
87 Documentation/devicetree/bindings/sram/s 86 Documentation/devicetree/bindings/sram/sram.yaml
88 87
89 allOf: !! 88 if:
90 - if: !! 89 properties:
91 properties: !! 90 compatible:
92 compatible: !! 91 enum:
93 enum: !! 92 - ti,j721e-c66-dsp
94 - ti,j721e-c66-dsp !! 93 then:
95 then: !! 94 properties:
96 properties: !! 95 reg:
97 reg: !! 96 items:
98 items: !! 97 - description: Address and Size of the L2 SRAM internal memory region
99 - description: Address and Size of !! 98 - description: Address and Size of the L1 PRAM internal memory region
100 - description: Address and Size of !! 99 - description: Address and Size of the L1 DRAM internal memory region
101 - description: Address and Size of !! 100 reg-names:
102 reg-names: !! 101 items:
103 items: !! 102 - const: l2sram
104 - const: l2sram !! 103 - const: l1pram
105 - const: l1pram !! 104 - const: l1dram
106 - const: l1dram !! 105 else:
107 !! 106 if:
108 - if: !! 107 properties:
109 properties: !! 108 compatible:
110 compatible: !! 109 enum:
111 enum: !! 110 - ti,j721e-c71-dsp
112 - ti,j721e-c71-dsp !! 111 - ti,j721s2-c71-dsp
113 - ti,j721s2-c71-dsp !! 112 then:
114 then: !! 113 properties:
115 properties: !! 114 reg:
116 reg: !! 115 items:
117 items: !! 116 - description: Address and Size of the L2 SRAM internal memory region
118 - description: Address and Size of !! 117 - description: Address and Size of the L1 DRAM internal memory region
119 - description: Address and Size of !! 118 reg-names:
120 reg-names: !! 119 items:
121 items: !! 120 - const: l2sram
122 - const: l2sram !! 121 - const: l1dram
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 <<
140 122
141 required: 123 required:
142 - compatible 124 - compatible
143 - reg 125 - reg
144 - reg-names 126 - reg-names
145 - ti,sci 127 - ti,sci
146 - ti,sci-dev-id 128 - ti,sci-dev-id
147 - ti,sci-proc-ids 129 - ti,sci-proc-ids
148 - resets 130 - resets
149 - firmware-name 131 - firmware-name
150 - mboxes 132 - mboxes
151 - memory-region 133 - memory-region
152 134
153 unevaluatedProperties: false 135 unevaluatedProperties: false
154 136
155 examples: 137 examples:
156 - | 138 - |
157 soc { 139 soc {
158 #address-cells = <2>; 140 #address-cells = <2>;
159 #size-cells = <2>; 141 #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 }; <<
168 142
169 bus@100000 { 143 bus@100000 {
170 compatible = "simple-bus"; 144 compatible = "simple-bus";
171 #address-cells = <2>; 145 #address-cells = <2>;
172 #size-cells = <2>; 146 #size-cells = <2>;
173 ranges = <0x00 0x00100000 0x00 0x0 147 ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */
174 <0x00 0x64800000 0x00 0x6 148 <0x00 0x64800000 0x00 0x64800000 0x00 0x00800000>, /* C71_0 */
175 <0x4d 0x80800000 0x4d 0x8 149 <0x4d 0x80800000 0x4d 0x80800000 0x00 0x00800000>, /* C66_0 */
176 <0x4d 0x81800000 0x4d 0x8 150 <0x4d 0x81800000 0x4d 0x81800000 0x00 0x00800000>; /* C66_1 */
177 151
178 /* J721E C66_0 DSP node */ 152 /* J721E C66_0 DSP node */
179 dsp@4d80800000 { 153 dsp@4d80800000 {
180 compatible = "ti,j721e-c66-dsp 154 compatible = "ti,j721e-c66-dsp";
181 reg = <0x4d 0x80800000 0x00 0x 155 reg = <0x4d 0x80800000 0x00 0x00048000>,
182 <0x4d 0x80e00000 0x00 0x 156 <0x4d 0x80e00000 0x00 0x00008000>,
183 <0x4d 0x80f00000 0x00 0x 157 <0x4d 0x80f00000 0x00 0x00008000>;
184 reg-names = "l2sram", "l1pram" 158 reg-names = "l2sram", "l1pram", "l1dram";
185 ti,sci = <&dmsc>; 159 ti,sci = <&dmsc>;
186 ti,sci-dev-id = <142>; 160 ti,sci-dev-id = <142>;
187 ti,sci-proc-ids = <0x03 0xFF>; 161 ti,sci-proc-ids = <0x03 0xFF>;
188 resets = <&k3_reset 142 1>; 162 resets = <&k3_reset 142 1>;
189 firmware-name = "j7-c66_0-fw"; 163 firmware-name = "j7-c66_0-fw";
190 memory-region = <&c66_0_dma_me 164 memory-region = <&c66_0_dma_memory_region>,
191 <&c66_0_memory 165 <&c66_0_memory_region>;
192 mboxes = <&mailbox0_cluster3 & 166 mboxes = <&mailbox0_cluster3 &mbox_c66_0>;
193 }; 167 };
194 168
195 /* J721E C71_0 DSP node */ 169 /* J721E C71_0 DSP node */
196 c71_0: dsp@64800000 { 170 c71_0: dsp@64800000 {
197 compatible = "ti,j721e-c71-dsp 171 compatible = "ti,j721e-c71-dsp";
198 reg = <0x00 0x64800000 0x00 0x 172 reg = <0x00 0x64800000 0x00 0x00080000>,
199 <0x00 0x64e00000 0x00 0x 173 <0x00 0x64e00000 0x00 0x0000c000>;
200 reg-names = "l2sram", "l1dram" 174 reg-names = "l2sram", "l1dram";
201 ti,sci = <&dmsc>; 175 ti,sci = <&dmsc>;
202 ti,sci-dev-id = <15>; 176 ti,sci-dev-id = <15>;
203 ti,sci-proc-ids = <0x30 0xFF>; 177 ti,sci-proc-ids = <0x30 0xFF>;
204 resets = <&k3_reset 15 1>; 178 resets = <&k3_reset 15 1>;
205 firmware-name = "j7-c71_0-fw"; 179 firmware-name = "j7-c71_0-fw";
206 memory-region = <&c71_0_dma_me 180 memory-region = <&c71_0_dma_memory_region>,
207 <&c71_0_memory 181 <&c71_0_memory_region>;
208 mboxes = <&mailbox0_cluster4 & 182 mboxes = <&mailbox0_cluster4 &mbox_c71_0>;
209 }; 183 };
210 }; 184 };
211 }; 185 };
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