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[karo-tx-linux.git] / arch / arm / boot / dts / am335x-cm-t335.dts
1 /*
2  * am335x-cm-t335.dts - Device Tree file for Compulab CM-T335
3  *
4  * Copyright (C) 2014 - 2015 CompuLab Ltd. - http://www.compulab.co.il/
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10
11 /dts-v1/;
12
13 #include "am33xx.dtsi"
14
15 / {
16         model = "CompuLab CM-T335";
17         compatible = "compulab,cm-t335", "ti,am33xx";
18
19         memory {
20                 device_type = "memory";
21                 reg = <0x80000000 0x8000000>;   /* 128 MB */
22         };
23
24         leds {
25                 compatible = "gpio-leds";
26                 pinctrl-names = "default";
27                 pinctrl-0 = <&gpio_led_pins>;
28                 led@0 {
29                         label = "cm_t335:green";
30                         gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;     /* gpio2_0 */
31                         linux,default-trigger = "heartbeat";
32                 };
33         };
34
35         /* regulator for mmc */
36         vmmc_fixed: fixedregulator@0 {
37                 compatible = "regulator-fixed";
38                 regulator-name = "vmmc_fixed";
39                 regulator-min-microvolt = <3300000>;
40                 regulator-max-microvolt = <3300000>;
41         };
42
43         backlight {
44                 compatible = "pwm-backlight";
45                 pwms = <&ecap0 0 50000 0>;
46                 brightness-levels = <0 51 53 56 62 75 101 152 255>;
47                 default-brightness-level = <8>;
48         };
49 };
50
51 &am33xx_pinmux {
52         pinctrl-names = "default";
53         pinctrl-0 = <>;
54
55         i2c0_pins: pinmux_i2c0_pins {
56                 pinctrl-single,pins = <
57                         /* i2c0_sda.i2c0_sda */
58                         AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)
59                         /* i2c0_scl.i2c0_scl */
60                         AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)
61                 >;
62         };
63
64         i2c1_pins: pinmux_i2c1_pins {
65                 pinctrl-single,pins = <
66                         /* uart0_ctsn.i2c1_sda */
67                         AM33XX_IOPAD(0x968, PIN_INPUT_PULLUP | MUX_MODE2)
68                         /* uart0_rtsn.i2c1_scl */
69                         AM33XX_IOPAD(0x96c, PIN_INPUT_PULLUP | MUX_MODE2)
70                 >;
71         };
72
73         gpio_led_pins: pinmux_gpio_led_pins {
74                 pinctrl-single,pins = <
75                         /* gpmc_csn3.gpio2_0 */
76                         AM33XX_IOPAD(0x888, PIN_OUTPUT | MUX_MODE7)
77                 >;
78         };
79
80         nandflash_pins: pinmux_nandflash_pins {
81                 pinctrl-single,pins = <
82                         /* gpmc_ad0.gpmc_ad0 */
83                         AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0)
84                         /* gpmc_ad1.gpmc_ad1 */
85                         AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0)
86                         /* gpmc_ad2.gpmc_ad2 */
87                         AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0)
88                         /* gpmc_ad3.gpmc_ad3 */
89                         AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0)
90                         /* gpmc_ad4.gpmc_ad4 */
91                         AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0)
92                         /* gpmc_ad5.gpmc_ad5 */
93                         AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0)
94                         /* gpmc_ad6.gpmc_ad6 */
95                         AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0)
96                         /* gpmc_ad7.gpmc_ad7 */
97                         AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0)
98                         /* gpmc_wait0.gpmc_wait0 */
99                         AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)
100                         /* gpmc_wpn.gpio0_30 */
101                         AM33XX_IOPAD(0x874, PIN_INPUT_PULLUP | MUX_MODE7)
102                         /* gpmc_csn0.gpmc_csn0  */
103                         AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)
104                         /* gpmc_advn_ale.gpmc_advn_ale */
105                         AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)
106                         /* gpmc_oen_ren.gpmc_oen_ren */
107                         AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)
108                         /* gpmc_wen.gpmc_wen */
109                         AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)
110                         /* gpmc_ben0_cle.gpmc_ben0_cle */
111                         AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)
112                 >;
113         };
114
115         uart0_pins: pinmux_uart0_pins {
116                 pinctrl-single,pins = <
117                         /* uart0_rxd.uart0_rxd */
118                         AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)
119                         /* uart0_txd.uart0_txd */
120                         AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
121                 >;
122         };
123
124         ecap0_pins: pinmux_ecap0_pins {
125                 pinctrl-single,pins = <
126                         /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
127                         AM33XX_IOPAD(0x964, 0x0)
128                 >;
129         };
130
131         cpsw_default: cpsw_default {
132                 pinctrl-single,pins = <
133                         /* Slave 1 */
134                         /* mii1_tx_en.rgmii1_tctl */
135                         AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
136                         /* mii1_rxdv.rgmii1_rctl */
137                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)
138                         /* mii1_txd3.rgmii1_td3 */
139                         AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
140                         /* mii1_txd2.rgmii1_td2 */
141                         AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
142                         /* mii1_txd1.rgmii1_td1 */
143                         AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
144                         /* mii1_txd0.rgmii1_td0 */
145                         AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
146                         /* mii1_txclk.rgmii1_tclk */
147                         AM33XX_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
148                         /* mii1_rxclk.rgmii1_rclk */
149                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)
150                         /* mii1_rxd3.rgmii1_rd3 */
151                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)
152                         /* mii1_rxd2.rgmii1_rd2 */
153                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)
154                         /* mii1_rxd1.rgmii1_rd1 */
155                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)
156                         /* mii1_rxd0.rgmii1_rd0 */
157                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)
158                 >;
159         };
160
161         cpsw_sleep: cpsw_sleep {
162                 pinctrl-single,pins = <
163                         /* Slave 1 reset value */
164                         AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
165                         AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
166                         AM33XX_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
167                         AM33XX_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
168                         AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
169                         AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
170                         AM33XX_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
171                         AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
172                         AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
173                         AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
174                         AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
175                         AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
176                 >;
177         };
178
179         davinci_mdio_default: davinci_mdio_default {
180                 pinctrl-single,pins = <
181                         /* mdio_data.mdio_data */
182                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)
183                         /* mdio_clk.mdio_clk */
184                         AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)
185                 >;
186         };
187
188         davinci_mdio_sleep: davinci_mdio_sleep {
189                 pinctrl-single,pins = <
190                         /* MDIO reset value */
191                         AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
192                         AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
193                 >;
194         };
195
196         mmc1_pins: pinmux_mmc1_pins {
197                 pinctrl-single,pins = <
198                         /* mmc0_dat3.mmc0_dat3 */
199                         AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)
200                         /* mmc0_dat2.mmc0_dat2 */
201                         AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)
202                         /* mmc0_dat1.mmc0_dat1 */
203                         AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)
204                         /* mmc0_dat0.mmc0_dat0 */
205                         AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)
206                         /* mmc0_clk.mmc0_clk */
207                         AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
208                         /* mmc0_cmd.mmc0_cmd */
209                         AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
210                 >;
211         };
212 };
213
214 &uart0 {
215         pinctrl-names = "default";
216         pinctrl-0 = <&uart0_pins>;
217
218         status = "okay";
219 };
220
221 &i2c0 {
222         pinctrl-names = "default";
223         pinctrl-0 = <&i2c0_pins>;
224
225         status = "okay";
226         clock-frequency = <400000>;
227         /* CM-T335 board EEPROM */
228         eeprom: 24c02@50 {
229                 compatible = "atmel,24c02";
230                 reg = <0x50>;
231                 pagesize = <16>;
232         };
233         /* Real Time Clock */
234         ext_rtc: em3027@56 {
235                 compatible = "emmicro,em3027";
236                 reg = <0x56>;
237         };
238 };
239
240 &epwmss0 {
241         status = "okay";
242
243         ecap0: ecap@48300100 {
244                 status = "okay";
245                 pinctrl-names = "default";
246                 pinctrl-0 = <&ecap0_pins>;
247         };
248 };
249
250 &gpmc {
251         status = "okay";
252         pinctrl-names = "default";
253         pinctrl-0 = <&nandflash_pins>;
254         ranges = <0 0 0x08000000 0x10000000>;   /* CS0: NAND */
255         nand@0,0 {
256                 reg = <0 0 0>; /* CS0, offset 0 */
257                 ti,nand-ecc-opt = "bch8";
258                 ti,elm-id = <&elm>;
259                 nand-bus-width = <8>;
260                 gpmc,device-width = <1>;
261                 gpmc,sync-clk-ps = <0>;
262                 gpmc,cs-on-ns = <0>;
263                 gpmc,cs-rd-off-ns = <44>;
264                 gpmc,cs-wr-off-ns = <44>;
265                 gpmc,adv-on-ns = <6>;
266                 gpmc,adv-rd-off-ns = <34>;
267                 gpmc,adv-wr-off-ns = <44>;
268                 gpmc,we-on-ns = <0>;
269                 gpmc,we-off-ns = <40>;
270                 gpmc,oe-on-ns = <0>;
271                 gpmc,oe-off-ns = <54>;
272                 gpmc,access-ns = <64>;
273                 gpmc,rd-cycle-ns = <82>;
274                 gpmc,wr-cycle-ns = <82>;
275                 gpmc,wait-on-read = "true";
276                 gpmc,wait-on-write = "true";
277                 gpmc,bus-turnaround-ns = <0>;
278                 gpmc,cycle2cycle-delay-ns = <0>;
279                 gpmc,clk-activation-ns = <0>;
280                 gpmc,wait-monitoring-ns = <0>;
281                 gpmc,wr-access-ns = <40>;
282                 gpmc,wr-data-mux-bus-ns = <0>;
283                 /* MTD partition table */
284                 #address-cells = <1>;
285                 #size-cells = <1>;
286                 partition@0 {
287                         label = "spl";
288                         reg = <0x00000000 0x00200000>;
289                 };
290                 partition@1 {
291                         label = "uboot";
292                         reg = <0x00200000 0x00100000>;
293                 };
294                 partition@2 {
295                         label = "uboot environment";
296                         reg = <0x00300000 0x00100000>;
297                 };
298                 partition@3 {
299                         label = "dtb";
300                         reg = <0x00400000 0x00100000>;
301                 };
302                 partition@4 {
303                         label = "splash";
304                         reg = <0x00500000 0x00400000>;
305                 };
306                 partition@5 {
307                         label = "linux";
308                         reg = <0x00900000 0x00600000>;
309                 };
310                 partition@6 {
311                         label = "rootfs";
312                         reg = <0x00F00000 0>;
313                 };
314         };
315 };
316
317 &elm {
318         status = "okay";
319 };
320
321 &mac {
322         pinctrl-names = "default", "sleep";
323         pinctrl-0 = <&cpsw_default>;
324         pinctrl-1 = <&cpsw_sleep>;
325         slaves = <1>;
326         status = "okay";
327 };
328
329 &davinci_mdio {
330         pinctrl-names = "default", "sleep";
331         pinctrl-0 = <&davinci_mdio_default>;
332         pinctrl-1 = <&davinci_mdio_sleep>;
333         status = "okay";
334 };
335
336 &cpsw_emac0 {
337         phy_id = <&davinci_mdio>, <0>;
338         phy-mode = "rgmii-txid";
339 };
340
341 &mmc1 {
342         status = "okay";
343         vmmc-supply = <&vmmc_fixed>;
344         bus-width = <4>;
345         pinctrl-names = "default";
346         pinctrl-0 = <&mmc1_pins>;
347 };