1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Device Tree Source for am3517 SoC
4 *
5 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
6 */
7
8 #include "omap3.dtsi"
9
10 /* AM3517 doesn't appear to have the crypto engines defined in omap3.dtsi */
11 /delete-node/ &aes1_target;
12 /delete-node/ &aes2_target;
13
14 / {
15 aliases {
16 serial3 = &uart4;
17 can = &hecc;
18 ethernet = &davinci_emac;
19 };
20
21 cpus {
22 cpu: cpu@0 {
23 /* Based on OMAP3630 variants OPP50 and OPP100 */
24 operating-points-v2 = <&cpu0_opp_table>;
25
26 clock-latency = <300000>; /* From legacy driver */
27 };
28 };
29
30 cpu0_opp_table: opp-table {
31 compatible = "operating-points-v2-ti-cpu";
32 syscon = <&scm_conf>;
33 /*
34 * AM3517 TRM only lists 600MHz @ 1.2V, but omap36xx
35 * appear to operate at 300MHz as well. Since AM3517 only
36 * lists one operating voltage, it will remain fixed at 1.2V
37 */
38 opp-50-300000000 {
39 /* OPP50 */
40 opp-hz = /bits/ 64 <300000000>;
41 opp-microvolt = <1200000>;
42 opp-supported-hw = <0xffffffff 0xffffffff>;
43 opp-suspend;
44 };
45
46 opp-100-600000000 {
47 /* OPP100 */
48 opp-hz = /bits/ 64 <600000000>;
49 opp-microvolt = <1200000>;
50 opp-supported-hw = <0xffffffff 0xffffffff>;
51 };
52 };
53
54 ocp@68000000 {
55 target-module@5c040000 {
56 compatible = "ti,sysc-omap2", "ti,sysc";
57 reg = <0x5c040400 0x4>,
58 <0x5c040404 0x4>,
59 <0x5c040408 0x4>;
60 reg-names = "rev", "sysc", "syss";
61 ti,sysc-mask = <(SYSC_OMAP2_ENAWAKEUP |
62 SYSC_OMAP2_SOFTRESET |
63 SYSC_OMAP2_AUTOIDLE)>;
64 ti,sysc-midle = <SYSC_IDLE_FORCE>,
65 <SYSC_IDLE_NO>,
66 <SYSC_IDLE_SMART>;
67 ti,sysc-sidle = <SYSC_IDLE_FORCE>,
68 <SYSC_IDLE_NO>,
69 <SYSC_IDLE_SMART>;
70 ti,syss-mask = <1>;
71 clocks = <&hsotgusb_ick_am35xx>;
72 clock-names = "fck";
73 #address-cells = <1>;
74 #size-cells = <1>;
75 ranges = <0x0 0x5c040000 0x1000>;
76
77 am35x_otg_hs: am35x_otg_hs@0 {
78 compatible = "ti,omap3-musb";
79 status = "disabled";
80 reg = <0 0x1000>;
81 interrupts = <71>;
82 interrupt-names = "mc";
83 };
84 };
85
86 davinci_emac: ethernet@5c000000 {
87 compatible = "ti,am3517-emac";
88 ti,hwmods = "davinci_emac";
89 status = "disabled";
90 reg = <0x5c000000 0x30000>;
91 interrupts = <67 68 69 70>;
92 syscon = <&scm_conf>;
93 ti,davinci-ctrl-reg-offset = <0x10000>;
94 ti,davinci-ctrl-mod-reg-offset = <0>;
95 ti,davinci-ctrl-ram-offset = <0x20000>;
96 ti,davinci-ctrl-ram-size = <0x2000>;
97 ti,davinci-rmii-en = /bits/ 8 <1>;
98 local-mac-address = [ 00 00 00 00 00 00 ];
99 clocks = <&emac_ick>;
100 clock-names = "ick";
101 };
102
103 davinci_mdio: mdio@5c030000 {
104 compatible = "ti,davinci_mdio";
105 ti,hwmods = "davinci_mdio";
106 status = "disabled";
107 reg = <0x5c030000 0x1000>;
108 bus_freq = <1000000>;
109 #address-cells = <1>;
110 #size-cells = <0>;
111 clocks = <&emac_fck>;
112 clock-names = "fck";
113 };
114
115 uart4: serial@4809e000 {
116 compatible = "ti,omap3-uart";
117 ti,hwmods = "uart4";
118 status = "disabled";
119 reg = <0x4809e000 0x400>;
120 interrupts = <84>;
121 dmas = <&sdma 55 &sdma 54>;
122 dma-names = "tx", "rx";
123 clock-frequency = <48000000>;
124 };
125
126 omap3_pmx_core2: pinmux@480025d8 {
127 compatible = "ti,omap3-padconf", "pinctrl-single";
128 reg = <0x480025d8 0x24>;
129 #address-cells = <1>;
130 #size-cells = <0>;
131 #pinctrl-cells = <1>;
132 #interrupt-cells = <1>;
133 interrupt-controller;
134 pinctrl-single,register-width = <16>;
135 pinctrl-single,function-mask = <0xff1f>;
136 };
137
138 hecc: can@5c050000 {
139 compatible = "ti,am3517-hecc";
140 status = "disabled";
141 reg = <0x5c050000 0x80>,
142 <0x5c053000 0x180>,
143 <0x5c052000 0x200>;
144 reg-names = "hecc", "hecc-ram", "mbx";
145 interrupts = <24>;
146 clocks = <&hecc_ck>;
147 };
148
149 /*
150 * On am3517 the OCP registers do not seem to be accessible
151 * similar to the omap34xx. Maybe SGX is permanently set to
152 * "OCP bypass mode", or maybe there is OCP_SYSCONFIG that is
153 * write-only at 0x50000e10. We detect SGX based on the SGX
154 * revision register instead of the unreadable OCP revision
155 * register.
156 */
157 sgx_module: target-module@50000000 {
158 compatible = "ti,sysc-omap2", "ti,sysc";
159 reg = <0x50000014 0x4>;
160 reg-names = "rev";
161 clocks = <&sgx_fck>, <&sgx_ick>;
162 clock-names = "fck", "ick";
163 #address-cells = <1>;
164 #size-cells = <1>;
165 ranges = <0 0x50000000 0x10000>;
166
167 gpu@0 {
168 compatible = "ti,omap3430-gpu", "img,powervr-sgx530";
169 reg = <0x0 0x10000>; /* 64kB */
170 interrupts = <21>;
171 };
172 };
173 };
174 };
175
176 /* Not currently working, probably needs at least different clocks */
177 &rng_target {
178 status = "disabled";
179 /delete-property/ clocks;
180 };
181
182 /* Table Table 5-79 of the TRM shows 480ab000 is reserved */
183 &usb_otg_target {
184 status = "disabled";
185 };
186
187 &iva {
188 status = "disabled";
189 };
190
191 &mailbox {
192 status = "disabled";
193 };
194
195 &mmu_isp {
196 status = "disabled";
197 };
198
199 #include "am35xx-clocks.dtsi"
200 #include "omap36xx-am35xx-omap3430es2plus-clocks.dtsi"
201
202 /* Preferred always-on timer for clocksource */
203 &timer1_target {
204 ti,no-reset-on-init;
205 ti,no-idle;
206 timer@0 {
207 assigned-clocks = <&gpt1_fck>;
208 assigned-clock-parents = <&sys_ck>;
209 };
210 };
211
212 /* Preferred timer for clockevent */
213 &timer2_target {
214 ti,no-reset-on-init;
215 ti,no-idle;
216 timer@0 {
217 assigned-clocks = <&gpt2_fck>;
218 assigned-clock-parents = <&sys_ck>;
219 };
220 };
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