1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/ti,icssg-prueth.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Texas Instruments ICSSG PRUSS Ethernet
maintainers:
- Md Danish Anwar <danishanwar@ti.com>
description:
Ethernet based on the Programmable Real-Time Unit and Industrial
Communication Subsystem.
allOf:
- $ref: /schemas/remoteproc/ti,pru-consumer.yaml#
properties:
compatible:
enum:
- ti,am654-icssg-prueth # for AM65x SoC family
sram:
$ref: /schemas/types.yaml#/definitions/phandle
description:
phandle to MSMC SRAM node
dmas:
maxItems: 10
dma-names:
items:
- const: tx0-0
- const: tx0-1
- const: tx0-2
- const: tx0-3
- const: tx1-0
- const: tx1-1
- const: tx1-2
- const: tx1-3
- const: rx0
- const: rx1
ti,mii-g-rt:
$ref: /schemas/types.yaml#/definitions/phandle
description:
phandle to MII_G_RT module's syscon regmap.
ti,mii-rt:
$ref: /schemas/types.yaml#/definitions/phandle
description:
phandle to MII_RT module's syscon regmap
ti,iep:
$ref: /schemas/types.yaml#/definitions/phandle-array
maxItems: 2
items:
maxItems: 1
description:
phandle to IEP (Industrial Ethernet Peripheral) for ICSSG
interrupts:
maxItems: 2
description:
Interrupt specifiers to TX timestamp IRQ.
interrupt-names:
items:
- const: tx_ts0
- const: tx_ts1
ethernet-ports:
type: object
additionalProperties: false
properties:
'#address-cells':
const: 1
'#size-cells':
const: 0
patternProperties:
^port@[0-1]$:
type: object
description: ICSSG PRUETH external ports
$ref: ethernet-controller.yaml#
unevaluatedProperties: false
properties:
reg:
items:
- enum: [0, 1]
description: ICSSG PRUETH port number
interrupts:
maxItems: 1
ti,syscon-rgmii-delay:
items:
- items:
- description: phandle to system controller node
- description: The offset to ICSSG control register
$ref: /schemas/types.yaml#/definitions/phandle-array
description:
phandle to system controller node and register offset
to ICSSG control register for RGMII transmit delay
required:
- reg
anyOf:
- required:
- port@0
- required:
- port@1
required:
- compatible
- sram
- dmas
- dma-names
- ethernet-ports
- ti,mii-g-rt
- interrupts
- interrupt-names
unevaluatedProperties: false
examples:
- |
/* Example k3-am654 base board SR2.0, dual-emac */
pruss2_eth: ethernet {
compatible = "ti,am654-icssg-prueth";
pinctrl-names = "default";
pinctrl-0 = <&icssg2_rgmii_pins_default>;
sram = <&msmc_ram>;
ti,prus = <&pru2_0>, <&rtu2_0>, <&tx_pru2_0>,
<&pru2_1>, <&rtu2_1>, <&tx_pru2_1>;
firmware-name = "ti-pruss/am65x-pru0-prueth-fw.elf",
"ti-pruss/am65x-rtu0-prueth-fw.elf",
"ti-pruss/am65x-txpru0-prueth-fw.elf",
"ti-pruss/am65x-pru1-prueth-fw.elf",
"ti-pruss/am65x-rtu1-prueth-fw.elf",
"ti-pruss/am65x-txpru1-prueth-fw.elf";
ti,pruss-gp-mux-sel = <2>, /* MII mode */
<2>,
<2>,
<2>, /* MII mode */
<2>,
<2>;
dmas = <&main_udmap 0xc300>, /* egress slice 0 */
<&main_udmap 0xc301>, /* egress slice 0 */
<&main_udmap 0xc302>, /* egress slice 0 */
<&main_udmap 0xc303>, /* egress slice 0 */
<&main_udmap 0xc304>, /* egress slice 1 */
<&main_udmap 0xc305>, /* egress slice 1 */
<&main_udmap 0xc306>, /* egress slice 1 */
<&main_udmap 0xc307>, /* egress slice 1 */
<&main_udmap 0x4300>, /* ingress slice 0 */
<&main_udmap 0x4301>; /* ingress slice 1 */
dma-names = "tx0-0", "tx0-1", "tx0-2", "tx0-3",
"tx1-0", "tx1-1", "tx1-2", "tx1-3",
"rx0", "rx1";
ti,mii-g-rt = <&icssg2_mii_g_rt>;
ti,iep = <&icssg2_iep0>, <&icssg2_iep1>;
interrupt-parent = <&icssg2_intc>;
interrupts = <24 0 2>, <25 1 3>;
interrupt-names = "tx_ts0", "tx_ts1";
ethernet-ports {
#address-cells = <1>;
#size-cells = <0>;
pruss2_emac0: port@0 {
reg = <0>;
phy-handle = <&pruss2_eth0_phy>;
phy-mode = "rgmii-id";
interrupts-extended = <&icssg2_intc 24>;
ti,syscon-rgmii-delay = <&scm_conf 0x4120>;
/* Filled in by bootloader */
local-mac-address = [00 00 00 00 00 00];
};
pruss2_emac1: port@1 {
reg = <1>;
phy-handle = <&pruss2_eth1_phy>;
phy-mode = "rgmii-id";
interrupts-extended = <&icssg2_intc 25>;
ti,syscon-rgmii-delay = <&scm_conf 0x4124>;
/* Filled in by bootloader */
local-mac-address = [00 00 00 00 00 00];
};
};
};
|
