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gerrit.cesnet.cz / CzechLight / br2-external / d0af3ae9d225ef5316a6e2172467c88058c9e554 / . / board / czechlight / beaglebone / czechlight-bbb.dts
blob: be7ae1088b3d7454ba668c8f88032b9749fe9b96 [file] [log] [blame]
Jan Kundrátd0af3ae2017-03-31 14:49:09 +0200[diff] [blame^]1/*
2 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8/dts-v1/;
9
10#include "am33xx.dtsi"
11#include "am335x-bone-common.dtsi"
12#include <dt-bindings/display/tda998x.h>
13
14/ {
15 model = "TI AM335x BeagleBone Black (CzechLight)";
16 compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
17};
18
19&ldo3_reg {
20 regulator-min-microvolt = <1800000>;
21 regulator-max-microvolt = <1800000>;
22 regulator-always-on;
23};
24
25&mmc1 {
26 vmmc-supply = <&vmmcsd_fixed>;
27};
28
29&mmc2 {
30 vmmc-supply = <&vmmcsd_fixed>;
31 pinctrl-names = "default";
32 pinctrl-0 = <&emmc_pins>;
33 bus-width = <8>;
34 status = "okay";
35};
36
37&am33xx_pinmux {
38 nxp_hdmi_bonelt_pins: nxp_hdmi_bonelt_pins {
39 pinctrl-single,pins = <
40 AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr0 */
41 AM33XX_IOPAD(0x8a0, PIN_OUTPUT | MUX_MODE0) /* lcd_data0.lcd_data0 */
42 AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE0) /* lcd_data1.lcd_data1 */
43 AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE0) /* lcd_data2.lcd_data2 */
44 AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE0) /* lcd_data3.lcd_data3 */
45 AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE0) /* lcd_data4.lcd_data4 */
46 AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE0) /* lcd_data5.lcd_data5 */
47 AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE0) /* lcd_data6.lcd_data6 */
48 AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE0) /* lcd_data7.lcd_data7 */
49 AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE0) /* lcd_data8.lcd_data8 */
50 AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE0) /* lcd_data9.lcd_data9 */
51 AM33XX_IOPAD(0x8c8, PIN_OUTPUT | MUX_MODE0) /* lcd_data10.lcd_data10 */
52 AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE0) /* lcd_data11.lcd_data11 */
53 AM33XX_IOPAD(0x8d0, PIN_OUTPUT | MUX_MODE0) /* lcd_data12.lcd_data12 */
54 AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE0) /* lcd_data13.lcd_data13 */
55 AM33XX_IOPAD(0x8d8, PIN_OUTPUT | MUX_MODE0) /* lcd_data14.lcd_data14 */
56 AM33XX_IOPAD(0x8dc, PIN_OUTPUT | MUX_MODE0) /* lcd_data15.lcd_data15 */
57 AM33XX_IOPAD(0x8e0, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* lcd_vsync.lcd_vsync */
58 AM33XX_IOPAD(0x8e4, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* lcd_hsync.lcd_hsync */
59 AM33XX_IOPAD(0x8e8, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* lcd_pclk.lcd_pclk */
60 AM33XX_IOPAD(0x8ec, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* lcd_ac_bias_en.lcd_ac_bias_en */
61 >;
62 };
63 nxp_hdmi_bonelt_off_pins: nxp_hdmi_bonelt_off_pins {
64 pinctrl-single,pins = <
65 AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr0 */
66 >;
67 };
68
69 mcasp0_pins: mcasp0_pins {
70 pinctrl-single,pins = <
71 AM33XX_IOPAD(0x9ac, PIN_INPUT_PULLUP | MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */
72 AM33XX_IOPAD(0x99c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/
73 AM33XX_IOPAD(0x994, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */
74 AM33XX_IOPAD(0x990, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */
75 AM33XX_IOPAD(0x86c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a11.GPIO1_27 */
76 >;
77 };
78};
79
80&lcdc {
81 status = "okay";
82 port {
83 lcdc_0: endpoint@0 {
84 remote-endpoint = <&hdmi_0>;
85 };
86 };
87};
88
89&i2c0 {
90 tda19988: tda19988 {
91 compatible = "nxp,tda998x";
92 reg = <0x70>;
93
94 pinctrl-names = "default", "off";
95 pinctrl-0 = <&nxp_hdmi_bonelt_pins>;
96 pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>;
97
98 #sound-dai-cells = <0>;
99 audio-ports = < TDA998x_I2S 0x03>;
100
101 ports {
102 port@0 {
103 hdmi_0: endpoint@0 {
104 remote-endpoint = <&lcdc_0>;
105 };
106 };
107 };
108 };
109};
110
111&rtc {
112 system-power-controller;
113};
114
115&mcasp0 {
116 #sound-dai-cells = <0>;
117 pinctrl-names = "default";
118 pinctrl-0 = <&mcasp0_pins>;
119 status = "okay";
120 op-mode = <0>; /* MCASP_IIS_MODE */
121 tdm-slots = <2>;
122 serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
123 0 0 1 0
124 >;
125 tx-num-evt = <32>;
126 rx-num-evt = <32>;
127};
128
129/ {
130 clk_mcasp0_fixed: clk_mcasp0_fixed {
131 #clock-cells = <0>;
132 compatible = "fixed-clock";
133 clock-frequency = <24576000>;
134 };
135
136 clk_mcasp0: clk_mcasp0 {
137 #clock-cells = <0>;
138 compatible = "gpio-gate-clock";
139 clocks = <&clk_mcasp0_fixed>;
140 enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */
141 };
142
143 sound {
144 compatible = "simple-audio-card";
145 simple-audio-card,name = "TI BeagleBone Black";
146 simple-audio-card,format = "i2s";
147 simple-audio-card,bitclock-master = <&dailink0_master>;
148 simple-audio-card,frame-master = <&dailink0_master>;
149
150 dailink0_master: simple-audio-card,cpu {
151 sound-dai = <&mcasp0>;
152 clocks = <&clk_mcasp0>;
153 };
154
155 simple-audio-card,codec {
156 sound-dai = <&tda19988>;
157 };
158 };
159};
160
161/* These modifications were Written by Jan Kundrát <jan.kundrat@cesnet.cz> for CESNET, a.l.e. */
162
163&am33xx_pinmux {
164 i2c1_pins: pinmux_i2c1_pins {
165 pinctrl-single,pins = <
166 AM33XX_IOPAD(0x958, SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE2) /* P9_18, I2C1_SDA */
167 AM33XX_IOPAD(0x95c, SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE2) /* P9_17, I2C1_SCL */
168 >;
169 };
170
171 i2c2_pins: pinmux_i2c2_pins {
172 pinctrl-single,pins = <
173 AM33XX_IOPAD(0x978, SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE3) /* P9_20, I2C2_SDA */
174 AM33XX_IOPAD(0x97c, SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE3) /* P9_19, I2C2_SCL */
175 >;
176 };
177
178 uart1_pins: pinmux_uart1_pins {
179 pinctrl-single,pins = <
180 AM33XX_IOPAD(0x980, PIN_INPUT | MUX_MODE0) /* P9_26, uart1_rxd */
181 AM33XX_IOPAD(0x984, PIN_OUTPUT | MUX_MODE0) /* P9_24, uart1_txd */
182 >;
183 };
184
185 uart2_pins: pinmux_uart2_pins {
186 pinctrl-single,pins = <
187 AM33XX_IOPAD(0x950, PIN_INPUT | MUX_MODE1) /* P9_22, uart2_rxd */
188 AM33XX_IOPAD(0x954, PIN_OUTPUT | MUX_MODE1) /* P9_21, uart2_txd */
189 >;
190 };
191
192 /* UART3: mode 1, rx N/A, tx p9_42 -> not used */
193
194 uart4_pins: pinmux_uart4_pins {
195 pinctrl-single,pins = <
196 AM33XX_IOPAD(0x870, PIN_INPUT | MUX_MODE6) /* P9_11, uart4_rxd */
197 AM33XX_IOPAD(0x874, PIN_OUTPUT | MUX_MODE6) /* P9_13, uart4_txd */
198 >;
199 };
200
201 uart5_pins: pinmux_uart5_pins {
202 pinctrl-single,pins = <
203 AM33XX_IOPAD(0x8c4, PIN_INPUT | MUX_MODE4) /* P8_38, uart5_rxd */
204 AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE4) /* P8_37, uart5_txd */
205 >;
206 };
207};
208
209&i2c1 {
210 pinctrl-names = "default";
211 pinctrl-0 = <&i2c1_pins>;
212 clock-frequency = <100000>;
213 status = "okay";
214};
215
216&i2c2 {
217 pinctrl-names = "default";
218 pinctrl-0 = <&i2c2_pins>;
219 clock-frequency = <100000>;
220 status = "okay";
221};
222
223&uart1 {
224 pinctrl-names = "default";
225 pinctrl-0 = <&uart1_pins>;
226 status = "okay";
227};
228
229&uart2 {
230 pinctrl-names = "default";
231 pinctrl-0 = <&uart2_pins>;
232 status = "okay";
233};
234
235&uart4 {
236 pinctrl-names = "default";
237 pinctrl-0 = <&uart4_pins>;
238 status = "okay";
239};
240
241&uart5 {
242 pinctrl-names = "default";
243 pinctrl-0 = <&uart5_pins>;
244 status = "okay";
245};