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Linux/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml

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Diff markup

Differences between /Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml (Architecture i386) and /Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml (Architecture mips)


  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/soc/ti/ti,p      4 $id: http://devicetree.org/schemas/soc/ti/ti,pruss.yaml#
  5 $schema: http://devicetree.org/meta-schemas/co      5 $schema: http://devicetree.org/meta-schemas/core.yaml#
  6                                                     6 
  7 title: |+                                           7 title: |+
  8   TI Programmable Real-Time Unit and Industria      8   TI Programmable Real-Time Unit and Industrial Communication Subsystem
  9                                                     9 
 10 maintainers:                                       10 maintainers:
 11   - Suman Anna <s-anna@ti.com>                      11   - Suman Anna <s-anna@ti.com>
 12                                                    12 
 13 description: |+                                    13 description: |+
 14                                                    14 
 15   The Programmable Real-Time Unit and Industri     15   The Programmable Real-Time Unit and Industrial Communication Subsystem
 16   (PRU-ICSS a.k.a. PRUSS) is present on variou     16   (PRU-ICSS a.k.a. PRUSS) is present on various TI SoCs such as AM335x, AM437x,
 17   Keystone 66AK2G, OMAP-L138/DA850 etc. A PRUS     17   Keystone 66AK2G, OMAP-L138/DA850 etc. A PRUSS consists of dual 32-bit RISC
 18   cores (Programmable Real-Time Units, or PRUs     18   cores (Programmable Real-Time Units, or PRUs), shared RAM, data and
 19   instruction RAMs, some internal peripheral m     19   instruction RAMs, some internal peripheral modules to facilitate industrial
 20   communication, and an interrupt controller.      20   communication, and an interrupt controller.
 21                                                    21 
 22   The programmable nature of the PRUs provide      22   The programmable nature of the PRUs provide flexibility to implement custom
 23   peripheral interfaces, fast real-time respon     23   peripheral interfaces, fast real-time responses, or specialized data handling.
 24   The common peripheral modules include the fo     24   The common peripheral modules include the following,
 25     - an Ethernet MII_RT module with two MII p     25     - an Ethernet MII_RT module with two MII ports
 26     - an MDIO port to control external Etherne     26     - an MDIO port to control external Ethernet PHYs
 27     - an Industrial Ethernet Peripheral (IEP)      27     - an Industrial Ethernet Peripheral (IEP) to manage/generate Industrial
 28       Ethernet functions                           28       Ethernet functions
 29     - an Enhanced Capture Module (eCAP)            29     - an Enhanced Capture Module (eCAP)
 30     - an Industrial Ethernet Timer with 7/9 ca     30     - an Industrial Ethernet Timer with 7/9 capture and 16 compare events
 31     - a 16550-compatible UART to support PROFI     31     - a 16550-compatible UART to support PROFIBUS
 32     - Enhanced GPIO with async capture and ser     32     - Enhanced GPIO with async capture and serial support
 33                                                    33 
 34   A PRU-ICSS subsystem can have up to three sh     34   A PRU-ICSS subsystem can have up to three shared data memories. A PRU core
 35   acts on a primary Data RAM (there are usuall     35   acts on a primary Data RAM (there are usually 2 Data RAMs) at its address
 36   0x0, but also has access to a secondary Data     36   0x0, but also has access to a secondary Data RAM (primary to the other PRU
 37   core) at its address 0x2000. A shared Data R     37   core) at its address 0x2000. A shared Data RAM, if present, can be accessed
 38   by both the PRU cores. The Interrupt Control     38   by both the PRU cores. The Interrupt Controller (INTC) and a CFG module are
 39   common to both the PRU cores. Each PRU core      39   common to both the PRU cores. Each PRU core also has a private instruction
 40   RAM, and specific register spaces for Contro     40   RAM, and specific register spaces for Control and Debug functionalities.
 41                                                    41 
 42   Various sub-modules within a PRU-ICSS subsys     42   Various sub-modules within a PRU-ICSS subsystem are represented as individual
 43   nodes and are defined using a parent-child h     43   nodes and are defined using a parent-child hierarchy depending on their
 44   integration within the IP and the SoC. These     44   integration within the IP and the SoC. These nodes are described in the
 45   following sections.                              45   following sections.
 46                                                    46 
 47                                                    47 
 48   PRU-ICSS Node                                    48   PRU-ICSS Node
 49   ==============                                   49   ==============
 50   Each PRU-ICSS instance is represented as its     50   Each PRU-ICSS instance is represented as its own node with the individual PRU
 51   processor cores, the memories node, an INTC      51   processor cores, the memories node, an INTC node and an MDIO node represented
 52   as child nodes within this PRUSS node. This      52   as child nodes within this PRUSS node. This node shall be a child of the
 53   corresponding interconnect bus nodes or targ     53   corresponding interconnect bus nodes or target-module nodes.
 54                                                    54 
 55   See ../../mfd/syscon.yaml for generic SysCon     55   See ../../mfd/syscon.yaml for generic SysCon binding details.
 56                                                    56 
 57                                                    57 
 58 properties:                                        58 properties:
 59   $nodename:                                       59   $nodename:
 60     pattern: "^(pruss|icssg)@[0-9a-f]+$"           60     pattern: "^(pruss|icssg)@[0-9a-f]+$"
 61                                                    61 
 62   compatible:                                      62   compatible:
 63     enum:                                          63     enum:
 64       - ti,am3356-pruss  # for AM335x SoC fami     64       - ti,am3356-pruss  # for AM335x SoC family
 65       - ti,am4376-pruss0 # for AM437x SoC fami     65       - ti,am4376-pruss0 # for AM437x SoC family and PRUSS unit 0
 66       - ti,am4376-pruss1 # for AM437x SoC fami     66       - ti,am4376-pruss1 # for AM437x SoC family and PRUSS unit 1
 67       - ti,am5728-pruss  # for AM57xx SoC fami     67       - ti,am5728-pruss  # for AM57xx SoC family
 68       - ti,am625-pruss   # for K3 AM62x SoC fa     68       - ti,am625-pruss   # for K3 AM62x SoC family
 69       - ti,am642-icssg   # for K3 AM64x SoC fa     69       - ti,am642-icssg   # for K3 AM64x SoC family
 70       - ti,am654-icssg   # for K3 AM65x SoC fa     70       - ti,am654-icssg   # for K3 AM65x SoC family
 71       - ti,j721e-icssg   # for K3 J721E SoC fa     71       - ti,j721e-icssg   # for K3 J721E SoC family
 72       - ti,k2g-pruss     # for 66AK2G SoC fami     72       - ti,k2g-pruss     # for 66AK2G SoC family
 73                                                    73 
 74   reg:                                             74   reg:
 75     maxItems: 1                                    75     maxItems: 1
 76                                                    76 
 77   "#address-cells":                                77   "#address-cells":
 78     const: 1                                       78     const: 1
 79                                                    79 
 80   "#size-cells":                                   80   "#size-cells":
 81     const: 1                                       81     const: 1
 82                                                    82 
 83   ranges:                                          83   ranges:
 84     maxItems: 1                                    84     maxItems: 1
 85                                                    85 
 86   dma-ranges:                                      86   dma-ranges:
 87     maxItems: 1                                    87     maxItems: 1
 88                                                    88 
 89   dma-coherent: true                               89   dma-coherent: true
 90                                                    90 
 91   power-domains:                                   91   power-domains:
 92     description: |                                 92     description: |
 93       This property is as per sci-pm-domain.tx     93       This property is as per sci-pm-domain.txt.
 94                                                    94 
 95 patternProperties:                                 95 patternProperties:
 96                                                    96 
 97   memories@[a-f0-9]+$:                             97   memories@[a-f0-9]+$:
 98     description: |                                 98     description: |
 99       The various Data RAMs within a single PR     99       The various Data RAMs within a single PRU-ICSS unit are represented as a
100       single node with the name 'memories'.       100       single node with the name 'memories'.
101                                                   101 
102     type: object                                  102     type: object
103                                                   103 
104     properties:                                   104     properties:
105       reg:                                        105       reg:
106         minItems: 2 # On AM437x one of two PRU    106         minItems: 2 # On AM437x one of two PRUSS units don't contain Shared RAM.
107         items:                                    107         items:
108           - description: Address and size of t    108           - description: Address and size of the Data RAM0.
109           - description: Address and size of t    109           - description: Address and size of the Data RAM1.
110           - description: |                        110           - description: |
111               Address and size of the Shared D    111               Address and size of the Shared Data RAM. Note that on AM437x one
112               of two PRUSS units don't contain    112               of two PRUSS units don't contain Shared RAM, while the second one
113               has it.                             113               has it.
114                                                   114 
115       reg-names:                                  115       reg-names:
116         minItems: 2                               116         minItems: 2
117         items:                                    117         items:
118           - const: dram0                          118           - const: dram0
119           - const: dram1                          119           - const: dram1
120           - const: shrdram2                       120           - const: shrdram2
121                                                   121 
122     required:                                     122     required:
123       - reg                                       123       - reg
124       - reg-names                                 124       - reg-names
125                                                   125 
126     additionalProperties: false                   126     additionalProperties: false
127                                                   127 
128   cfg@[a-f0-9]+$:                                 128   cfg@[a-f0-9]+$:
129     description: |                                129     description: |
130       PRU-ICSS configuration space. CFG sub-mo    130       PRU-ICSS configuration space. CFG sub-module represented as a SysCon.
131                                                   131 
132     type: object                                  132     type: object
133     additionalProperties: false                   133     additionalProperties: false
134                                                   134 
135     properties:                                   135     properties:
136       compatible:                                 136       compatible:
137         items:                                    137         items:
138           - const: ti,pruss-cfg                   138           - const: ti,pruss-cfg
139           - const: syscon                         139           - const: syscon
140                                                   140 
141       "#address-cells":                           141       "#address-cells":
142         const: 1                                  142         const: 1
143                                                   143 
144       "#size-cells":                              144       "#size-cells":
145         const: 1                                  145         const: 1
146                                                   146 
147       reg:                                        147       reg:
148         maxItems: 1                               148         maxItems: 1
149                                                   149 
150       ranges:                                     150       ranges:
151         maxItems: 1                               151         maxItems: 1
152                                                   152 
153       clocks:                                     153       clocks:
154         type: object                              154         type: object
155                                                   155 
156         properties:                               156         properties:
157           "#address-cells":                       157           "#address-cells":
158             const: 1                              158             const: 1
159                                                   159 
160           "#size-cells":                          160           "#size-cells":
161             const: 0                              161             const: 0
162                                                   162 
163         patternProperties:                        163         patternProperties:
164           coreclk-mux@[a-f0-9]+$:                 164           coreclk-mux@[a-f0-9]+$:
165             description: |                        165             description: |
166               This is applicable only for ICSS    166               This is applicable only for ICSSG (K3 SoCs). The ICSSG modules
167               core clock can be set to one of     167               core clock can be set to one of the 2 sources: ICSSG_CORE_CLK or
168               ICSSG_ICLK.  This node models th    168               ICSSG_ICLK.  This node models this clock mux and should have the
169               name "coreclk-mux".                 169               name "coreclk-mux".
170                                                   170 
171             type: object                          171             type: object
172                                                   172 
173             properties:                           173             properties:
174               '#clock-cells':                     174               '#clock-cells':
175                 const: 0                          175                 const: 0
176                                                   176 
177               clocks:                             177               clocks:
178                 items:                            178                 items:
179                   - description: ICSSG_CORE Cl    179                   - description: ICSSG_CORE Clock
180                   - description: ICSSG_ICLK Cl    180                   - description: ICSSG_ICLK Clock
181                                                   181 
182               assigned-clocks:                    182               assigned-clocks:
183                 maxItems: 1                       183                 maxItems: 1
184                                                   184 
185               assigned-clock-parents:             185               assigned-clock-parents:
186                 maxItems: 1                       186                 maxItems: 1
187                 description: |                    187                 description: |
188                   Standard assigned-clocks-par    188                   Standard assigned-clocks-parents definition used for selecting
189                   mux parent (one of the mux i    189                   mux parent (one of the mux input).
190                                                   190 
191               reg:                                191               reg:
192                 maxItems: 1                       192                 maxItems: 1
193                                                   193 
194             required:                             194             required:
195               - clocks                            195               - clocks
196                                                   196 
197             additionalProperties: false           197             additionalProperties: false
198                                                   198 
199           iepclk-mux@[a-f0-9]+$:                  199           iepclk-mux@[a-f0-9]+$:
200             description: |                        200             description: |
201               The IEP module can get its clock    201               The IEP module can get its clock from 2 sources: ICSSG_IEP_CLK or
202               CORE_CLK (OCP_CLK in older SoCs)    202               CORE_CLK (OCP_CLK in older SoCs). This node models this clock
203               mux and should have the name "ie    203               mux and should have the name "iepclk-mux".
204                                                   204 
205             type: object                          205             type: object
206                                                   206 
207             properties:                           207             properties:
208               '#clock-cells':                     208               '#clock-cells':
209                 const: 0                          209                 const: 0
210                                                   210 
211               clocks:                             211               clocks:
212                 items:                            212                 items:
213                   - description: ICSSG_IEP Clo    213                   - description: ICSSG_IEP Clock
214                   - description: Core Clock (O    214                   - description: Core Clock (OCP Clock in older SoCs)
215                                                   215 
216               assigned-clocks:                    216               assigned-clocks:
217                 maxItems: 1                       217                 maxItems: 1
218                                                   218 
219               assigned-clock-parents:             219               assigned-clock-parents:
220                 maxItems: 1                       220                 maxItems: 1
221                 description: |                    221                 description: |
222                   Standard assigned-clocks-par    222                   Standard assigned-clocks-parents definition used for selecting
223                   mux parent (one of the mux i    223                   mux parent (one of the mux input).
224                                                   224 
225               reg:                                225               reg:
226                 maxItems: 1                       226                 maxItems: 1
227                                                   227 
228             required:                             228             required:
229               - clocks                            229               - clocks
230                                                   230 
231             additionalProperties: false           231             additionalProperties: false
232                                                   232 
233         additionalProperties: false               233         additionalProperties: false
234                                                   234 
235   iep@[a-f0-9]+$:                                 235   iep@[a-f0-9]+$:
236     description: |                                236     description: |
237       Industrial Ethernet Peripheral to manage    237       Industrial Ethernet Peripheral to manage/generate Industrial Ethernet
238       functions such as time stamping. Each PR    238       functions such as time stamping. Each PRUSS has either 1 IEP (on AM335x,
239       AM437x, AM57xx & 66AK2G SoCs) or 2 IEPs     239       AM437x, AM57xx & 66AK2G SoCs) or 2 IEPs (on K3 AM65x, J721E & AM64x SoCs).
240       IEP is used for creating PTP clocks and     240       IEP is used for creating PTP clocks and generating PPS signals.
241                                                   241 
242     type: object                                  242     type: object
243                                                   243 
244   mii-rt@[a-f0-9]+$:                              244   mii-rt@[a-f0-9]+$:
245     description: |                                245     description: |
246       Real-Time Ethernet to support multiple i    246       Real-Time Ethernet to support multiple industrial communication protocols.
247       MII-RT sub-module represented as a SysCo    247       MII-RT sub-module represented as a SysCon.
248                                                   248 
249     type: object                                  249     type: object
250                                                   250 
251     properties:                                   251     properties:
252       compatible:                                 252       compatible:
253         items:                                    253         items:
254           - const: ti,pruss-mii                   254           - const: ti,pruss-mii
255           - const: syscon                         255           - const: syscon
256                                                   256 
257       reg:                                        257       reg:
258         maxItems: 1                               258         maxItems: 1
259                                                   259 
260     additionalProperties: false                   260     additionalProperties: false
261                                                   261 
262   mii-g-rt@[a-f0-9]+$:                            262   mii-g-rt@[a-f0-9]+$:
263     description: |                                263     description: |
264       The Real-time Media Independent Interfac    264       The Real-time Media Independent Interface to support multiple industrial
265       communication protocols (G stands for Gi    265       communication protocols (G stands for Gigabit). MII-G-RT sub-module
266       represented as a SysCon.                    266       represented as a SysCon.
267                                                   267 
268     type: object                                  268     type: object
269                                                   269 
270     properties:                                   270     properties:
271       compatible:                                 271       compatible:
272         items:                                    272         items:
273           - const: ti,pruss-mii-g                 273           - const: ti,pruss-mii-g
274           - const: syscon                         274           - const: syscon
275                                                   275 
276       reg:                                        276       reg:
277         maxItems: 1                               277         maxItems: 1
278                                                   278 
279     additionalProperties: false                   279     additionalProperties: false
280                                                   280 
281   ^pa-stats@[a-f0-9]+$:                           281   ^pa-stats@[a-f0-9]+$:
282     description: |                                282     description: |
283       PA-STATS sub-module represented as a Sys    283       PA-STATS sub-module represented as a SysCon. PA_STATS is a set of
284       registers where different statistics rel    284       registers where different statistics related to ICSSG, are dumped by
285       ICSSG firmware. This syscon sub-module w    285       ICSSG firmware. This syscon sub-module will help the device to
286       access/read/write those statistics.         286       access/read/write those statistics.
287                                                   287 
288     type: object                                  288     type: object
289                                                   289 
290     additionalProperties: false                   290     additionalProperties: false
291                                                   291 
292     properties:                                   292     properties:
293       compatible:                                 293       compatible:
294         items:                                    294         items:
295           - const: ti,pruss-pa-st                 295           - const: ti,pruss-pa-st
296           - const: syscon                         296           - const: syscon
297                                                   297 
298       reg:                                        298       reg:
299         maxItems: 1                               299         maxItems: 1
300                                                   300 
301   interrupt-controller@[a-f0-9]+$:                301   interrupt-controller@[a-f0-9]+$:
302     description: |                                302     description: |
303       PRUSS INTC Node. Each PRUSS has a single    303       PRUSS INTC Node. Each PRUSS has a single interrupt controller instance
304       that is common to all the PRU cores. Thi    304       that is common to all the PRU cores. This should be represented as an
305       interrupt-controller node.                  305       interrupt-controller node.
306     $ref: /schemas/interrupt-controller/ti,pru    306     $ref: /schemas/interrupt-controller/ti,pruss-intc.yaml#
307     type: object                                  307     type: object
308                                                   308 
309   mdio@[a-f0-9]+$:                                309   mdio@[a-f0-9]+$:
310     description: |                                310     description: |
311       MDIO Node. Each PRUSS has an MDIO module    311       MDIO Node. Each PRUSS has an MDIO module that can be used to control
312       external PHYs. The MDIO module used with    312       external PHYs. The MDIO module used within the PRU-ICSS is an instance of
313       the MDIO Controller used in TI Davinci S    313       the MDIO Controller used in TI Davinci SoCs.
314     $ref: /schemas/net/ti,davinci-mdio.yaml#      314     $ref: /schemas/net/ti,davinci-mdio.yaml#
315     type: object                                  315     type: object
316                                                   316 
317   "^(pru|rtu|txpru)@[0-9a-f]+$":                  317   "^(pru|rtu|txpru)@[0-9a-f]+$":
318     description: |                                318     description: |
319       PRU Node. Each PRUSS has dual PRU cores,    319       PRU Node. Each PRUSS has dual PRU cores, each represented as a RemoteProc
320       device through a PRU child node each. Ea    320       device through a PRU child node each. Each node can optionally be rendered
321       inactive by using the standard DT string    321       inactive by using the standard DT string property, "status". The ICSSG IP
322       present on K3 SoCs have additional auxil    322       present on K3 SoCs have additional auxiliary PRU cores with slightly
323       different IP integration.                   323       different IP integration.
324     $ref: /schemas/remoteproc/ti,pru-rproc.yam    324     $ref: /schemas/remoteproc/ti,pru-rproc.yaml#
325     type: object                                  325     type: object
326                                                   326 
327 required:                                         327 required:
328   - compatible                                    328   - compatible
329   - reg                                           329   - reg
330   - ranges                                        330   - ranges
331                                                   331 
332 additionalProperties: false                       332 additionalProperties: false
333                                                   333 
334 # Due to inability of correctly verifying sub-    334 # Due to inability of correctly verifying sub-nodes with an @address through
335 # the "required" list, the required sub-nodes     335 # the "required" list, the required sub-nodes below are commented out for now.
336                                                   336 
337 # required:                                       337 # required:
338 # - memories                                      338 # - memories
339 # - interrupt-controller                          339 # - interrupt-controller
340 # - pru                                           340 # - pru
341                                                   341 
342 allOf:                                            342 allOf:
343   - if:                                           343   - if:
344       properties:                                 344       properties:
345         compatible:                               345         compatible:
346           contains:                               346           contains:
347             enum:                                 347             enum:
348               - ti,k2g-pruss                      348               - ti,k2g-pruss
349               - ti,am654-icssg                    349               - ti,am654-icssg
350               - ti,j721e-icssg                    350               - ti,j721e-icssg
351               - ti,am642-icssg                    351               - ti,am642-icssg
352     then:                                         352     then:
353       required:                                   353       required:
354         - power-domains                           354         - power-domains
355                                                   355 
356   - if:                                           356   - if:
357       properties:                                 357       properties:
358         compatible:                               358         compatible:
359           contains:                               359           contains:
360             enum:                                 360             enum:
361               - ti,k2g-pruss                      361               - ti,k2g-pruss
362     then:                                         362     then:
363       required:                                   363       required:
364         - dma-coherent                            364         - dma-coherent
365                                                   365 
366 examples:                                         366 examples:
367   - |                                             367   - |
368                                                   368 
369     /* Example 1 AM33xx PRU-ICSS */               369     /* Example 1 AM33xx PRU-ICSS */
370     pruss: pruss@0 {                              370     pruss: pruss@0 {
371         compatible = "ti,am3356-pruss";           371         compatible = "ti,am3356-pruss";
372         reg = <0x0 0x80000>;                      372         reg = <0x0 0x80000>;
373         #address-cells = <1>;                     373         #address-cells = <1>;
374         #size-cells = <1>;                        374         #size-cells = <1>;
375         ranges;                                   375         ranges;
376                                                   376 
377         pruss_mem: memories@0 {                   377         pruss_mem: memories@0 {
378             reg = <0x0 0x2000>,                   378             reg = <0x0 0x2000>,
379                   <0x2000 0x2000>,                379                   <0x2000 0x2000>,
380                   <0x10000 0x3000>;               380                   <0x10000 0x3000>;
381             reg-names = "dram0", "dram1", "shr    381             reg-names = "dram0", "dram1", "shrdram2";
382         };                                        382         };
383                                                   383 
384         pruss_cfg: cfg@26000 {                    384         pruss_cfg: cfg@26000 {
385             compatible = "ti,pruss-cfg", "sysc    385             compatible = "ti,pruss-cfg", "syscon";
386             #address-cells = <1>;                 386             #address-cells = <1>;
387             #size-cells = <1>;                    387             #size-cells = <1>;
388             reg = <0x26000 0x2000>;               388             reg = <0x26000 0x2000>;
389             ranges = <0x00 0x26000 0x2000>;       389             ranges = <0x00 0x26000 0x2000>;
390                                                   390 
391             clocks {                              391             clocks {
392                 #address-cells = <1>;             392                 #address-cells = <1>;
393                 #size-cells = <0>;                393                 #size-cells = <0>;
394                                                   394 
395                 pruss_iepclk_mux: iepclk-mux@3    395                 pruss_iepclk_mux: iepclk-mux@30 {
396                     reg = <0x30>;                 396                     reg = <0x30>;
397                     #clock-cells = <0>;           397                     #clock-cells = <0>;
398                     clocks = <&l3_gclk>,          398                     clocks = <&l3_gclk>,        /* icss_iep */
399                              <&pruss_ocp_gclk>    399                              <&pruss_ocp_gclk>; /* icss_ocp */
400                 };                                400                 };
401             };                                    401             };
402         };                                        402         };
403                                                   403 
404         pruss_mii_rt: mii-rt@32000 {              404         pruss_mii_rt: mii-rt@32000 {
405             compatible = "ti,pruss-mii", "sysc    405             compatible = "ti,pruss-mii", "syscon";
406             reg = <0x32000 0x58>;                 406             reg = <0x32000 0x58>;
407         };                                        407         };
408                                                   408 
409         pruss_intc: interrupt-controller@20000    409         pruss_intc: interrupt-controller@20000 {
410             compatible = "ti,pruss-intc";         410             compatible = "ti,pruss-intc";
411             reg = <0x20000 0x2000>;               411             reg = <0x20000 0x2000>;
412             interrupt-controller;                 412             interrupt-controller;
413             #interrupt-cells = <3>;               413             #interrupt-cells = <3>;
414             interrupts = <20 21 22 23 24 25 26    414             interrupts = <20 21 22 23 24 25 26 27>;
415             interrupt-names = "host_intr0", "h    415             interrupt-names = "host_intr0", "host_intr1",
416                               "host_intr2", "h    416                               "host_intr2", "host_intr3",
417                               "host_intr4", "h    417                               "host_intr4", "host_intr5",
418                               "host_intr6", "h    418                               "host_intr6", "host_intr7";
419         };                                        419         };
420                                                   420 
421         pru0: pru@34000 {                         421         pru0: pru@34000 {
422             compatible = "ti,am3356-pru";         422             compatible = "ti,am3356-pru";
423             reg = <0x34000 0x2000>,               423             reg = <0x34000 0x2000>,
424                   <0x22000 0x400>,                424                   <0x22000 0x400>,
425                   <0x22400 0x100>;                425                   <0x22400 0x100>;
426             reg-names = "iram", "control", "de    426             reg-names = "iram", "control", "debug";
427             firmware-name = "am335x-pru0-fw";     427             firmware-name = "am335x-pru0-fw";
428         };                                        428         };
429                                                   429 
430         pru1: pru@38000 {                         430         pru1: pru@38000 {
431             compatible = "ti,am3356-pru";         431             compatible = "ti,am3356-pru";
432             reg = <0x38000 0x2000>,               432             reg = <0x38000 0x2000>,
433                   <0x24000 0x400>,                433                   <0x24000 0x400>,
434                   <0x24400 0x100>;                434                   <0x24400 0x100>;
435             reg-names = "iram", "control", "de    435             reg-names = "iram", "control", "debug";
436             firmware-name = "am335x-pru1-fw";     436             firmware-name = "am335x-pru1-fw";
437         };                                        437         };
438                                                   438 
439         pruss_mdio: mdio@32400 {                  439         pruss_mdio: mdio@32400 {
440             compatible = "ti,davinci_mdio";       440             compatible = "ti,davinci_mdio";
441             reg = <0x32400 0x90>;                 441             reg = <0x32400 0x90>;
442             clocks = <&dpll_core_m4_ck>;          442             clocks = <&dpll_core_m4_ck>;
443             clock-names = "fck";                  443             clock-names = "fck";
444             bus_freq = <1000000>;                 444             bus_freq = <1000000>;
445             #address-cells = <1>;                 445             #address-cells = <1>;
446             #size-cells = <0>;                    446             #size-cells = <0>;
447         };                                        447         };
448     };                                            448     };
449                                                   449 
450   - |                                             450   - |
451                                                   451 
452     /* Example 2 AM43xx PRU-ICSS with PRUSS1 n    452     /* Example 2 AM43xx PRU-ICSS with PRUSS1 node */
453     #include <dt-bindings/interrupt-controller    453     #include <dt-bindings/interrupt-controller/arm-gic.h>
454     pruss1: pruss@0 {                             454     pruss1: pruss@0 {
455         compatible = "ti,am4376-pruss1";          455         compatible = "ti,am4376-pruss1";
456         reg = <0x0 0x40000>;                      456         reg = <0x0 0x40000>;
457         #address-cells = <1>;                     457         #address-cells = <1>;
458         #size-cells = <1>;                        458         #size-cells = <1>;
459         ranges;                                   459         ranges;
460                                                   460 
461         pruss1_mem: memories@0 {                  461         pruss1_mem: memories@0 {
462             reg = <0x0 0x2000>,                   462             reg = <0x0 0x2000>,
463                   <0x2000 0x2000>,                463                   <0x2000 0x2000>,
464                   <0x10000 0x8000>;               464                   <0x10000 0x8000>;
465             reg-names = "dram0", "dram1", "shr    465             reg-names = "dram0", "dram1", "shrdram2";
466         };                                        466         };
467                                                   467 
468         pruss1_cfg: cfg@26000 {                   468         pruss1_cfg: cfg@26000 {
469             compatible = "ti,pruss-cfg", "sysc    469             compatible = "ti,pruss-cfg", "syscon";
470             #address-cells = <1>;                 470             #address-cells = <1>;
471             #size-cells = <1>;                    471             #size-cells = <1>;
472             reg = <0x26000 0x2000>;               472             reg = <0x26000 0x2000>;
473             ranges = <0x00 0x26000 0x2000>;       473             ranges = <0x00 0x26000 0x2000>;
474                                                   474 
475             clocks {                              475             clocks {
476                 #address-cells = <1>;             476                 #address-cells = <1>;
477                 #size-cells = <0>;                477                 #size-cells = <0>;
478                                                   478 
479                 pruss1_iepclk_mux: iepclk-mux@    479                 pruss1_iepclk_mux: iepclk-mux@30 {
480                     reg = <0x30>;                 480                     reg = <0x30>;
481                     #clock-cells = <0>;           481                     #clock-cells = <0>;
482                     clocks = <&sysclk_div>,       482                     clocks = <&sysclk_div>,     /* icss_iep */
483                              <&pruss_ocp_gclk>    483                              <&pruss_ocp_gclk>; /* icss_ocp */
484                 };                                484                 };
485             };                                    485             };
486         };                                        486         };
487                                                   487 
488         pruss1_mii_rt: mii-rt@32000 {             488         pruss1_mii_rt: mii-rt@32000 {
489             compatible = "ti,pruss-mii", "sysc    489             compatible = "ti,pruss-mii", "syscon";
490             reg = <0x32000 0x58>;                 490             reg = <0x32000 0x58>;
491         };                                        491         };
492                                                   492 
493         pruss1_intc: interrupt-controller@2000    493         pruss1_intc: interrupt-controller@20000 {
494             compatible = "ti,pruss-intc";         494             compatible = "ti,pruss-intc";
495             reg = <0x20000 0x2000>;               495             reg = <0x20000 0x2000>;
496             interrupt-controller;                 496             interrupt-controller;
497             #interrupt-cells = <3>;               497             #interrupt-cells = <3>;
498             interrupts = <GIC_SPI 20 IRQ_TYPE_    498             interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
499                          <GIC_SPI 21 IRQ_TYPE_    499                          <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
500                          <GIC_SPI 22 IRQ_TYPE_    500                          <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
501                          <GIC_SPI 23 IRQ_TYPE_    501                          <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>,
502                          <GIC_SPI 24 IRQ_TYPE_    502                          <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
503                          <GIC_SPI 26 IRQ_TYPE_    503                          <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
504                          <GIC_SPI 27 IRQ_TYPE_    504                          <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
505             interrupt-names = "host_intr0", "h    505             interrupt-names = "host_intr0", "host_intr1",
506                               "host_intr2", "h    506                               "host_intr2", "host_intr3",
507                               "host_intr4",       507                               "host_intr4",
508                               "host_intr6", "h    508                               "host_intr6", "host_intr7";
509             ti,irqs-reserved = /bits/ 8 <0x20>    509             ti,irqs-reserved = /bits/ 8 <0x20>; /* BIT(5) */
510         };                                        510         };
511                                                   511 
512         pru1_0: pru@34000 {                       512         pru1_0: pru@34000 {
513             compatible = "ti,am4376-pru";         513             compatible = "ti,am4376-pru";
514             reg = <0x34000 0x3000>,               514             reg = <0x34000 0x3000>,
515                   <0x22000 0x400>,                515                   <0x22000 0x400>,
516                   <0x22400 0x100>;                516                   <0x22400 0x100>;
517             reg-names = "iram", "control", "de    517             reg-names = "iram", "control", "debug";
518             firmware-name = "am437x-pru1_0-fw"    518             firmware-name = "am437x-pru1_0-fw";
519         };                                        519         };
520                                                   520 
521         pru1_1: pru@38000 {                       521         pru1_1: pru@38000 {
522             compatible = "ti,am4376-pru";         522             compatible = "ti,am4376-pru";
523             reg = <0x38000 0x3000>,               523             reg = <0x38000 0x3000>,
524                   <0x24000 0x400>,                524                   <0x24000 0x400>,
525                   <0x24400 0x100>;                525                   <0x24400 0x100>;
526             reg-names = "iram", "control", "de    526             reg-names = "iram", "control", "debug";
527             firmware-name = "am437x-pru1_1-fw"    527             firmware-name = "am437x-pru1_1-fw";
528         };                                        528         };
529                                                   529 
530         pruss1_mdio: mdio@32400 {                 530         pruss1_mdio: mdio@32400 {
531             compatible = "ti,davinci_mdio";       531             compatible = "ti,davinci_mdio";
532             reg = <0x32400 0x90>;                 532             reg = <0x32400 0x90>;
533             clocks = <&dpll_core_m4_ck>;          533             clocks = <&dpll_core_m4_ck>;
534             clock-names = "fck";                  534             clock-names = "fck";
535             bus_freq = <1000000>;                 535             bus_freq = <1000000>;
536             #address-cells = <1>;                 536             #address-cells = <1>;
537             #size-cells = <0>;                    537             #size-cells = <0>;
538         };                                        538         };
539     };                                            539     };
540                                                   540 
541 ...                                               541 ...
                                                      

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