xref: /linux/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts (revision d003d772e64df08af04ee63609d47169ee82ae0e) 
1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2017 BayLibre, SAS.
4 * Author: Neil Armstrong <narmstrong@baylibre.com>
5 * Author: Jerome Brunet <jbrunet@baylibre.com>
6 */
7
8/dts-v1/;
9
10#include <dt-bindings/input/input.h>
11
12#include "meson-gxl-s905x.dtsi"
13
14/ {
15	compatible = "libretech,cc", "amlogic,s905x", "amlogic,meson-gxl";
16	model = "Libre Computer Board AML-S905X-CC";
17
18	aliases {
19		serial0 = &uart_AO;
20		ethernet0 = &ethmac;
21	};
22
23	chosen {
24		stdout-path = "serial0:115200n8";
25	};
26
27	cvbs-connector {
28		compatible = "composite-video-connector";
29
30		port {
31			cvbs_connector_in: endpoint {
32				remote-endpoint = <&cvbs_vdac_out>;
33			};
34		};
35	};
36
37	emmc_pwrseq: emmc-pwrseq {
38		compatible = "mmc-pwrseq-emmc";
39		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
40	};
41
42	hdmi-connector {
43		compatible = "hdmi-connector";
44		type = "a";
45
46		port {
47			hdmi_connector_in: endpoint {
48				remote-endpoint = <&hdmi_tx_tmds_out>;
49			};
50		};
51	};
52
53	leds {
54		compatible = "gpio-leds";
55
56		system {
57			label = "librecomputer:system-status";
58			gpios = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
59			default-state = "on";
60			panic-indicator;
61		};
62
63		blue {
64			label = "librecomputer:blue";
65			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
66			linux,default-trigger = "heartbeat";
67		};
68	};
69
70	memory@0 {
71		device_type = "memory";
72		reg = <0x0 0x0 0x0 0x80000000>;
73	};
74
75	hdmi_5v: regulator-hdmi-5v {
76		compatible = "regulator-fixed";
77
78		regulator-name = "HDMI_5V";
79		regulator-min-microvolt = <5000000>;
80		regulator-max-microvolt = <5000000>;
81
82		gpio = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
83		enable-active-high;
84		regulator-always-on;
85	};
86
87	vcc_3v3: regulator-vcc_3v3 {
88		compatible = "regulator-fixed";
89		regulator-name = "VCC_3V3";
90		regulator-min-microvolt = <3300000>;
91		regulator-max-microvolt = <3300000>;
92	};
93
94	vcc_card: regulator-vcc-card {
95		compatible = "regulator-gpio";
96
97		regulator-name = "VCC_CARD";
98		regulator-min-microvolt = <1800000>;
99		regulator-max-microvolt = <3300000>;
100
101		gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
102		gpios-states = <0>;
103
104		states = <3300000 0>,
105			 <1800000 1>;
106
107		regulator-settling-time-up-us = <200>;
108		regulator-settling-time-down-us = <50000>;
109	};
110
111	vddio_ao18: regulator-vddio_ao18 {
112		compatible = "regulator-fixed";
113		regulator-name = "VDDIO_AO18";
114		regulator-min-microvolt = <1800000>;
115		regulator-max-microvolt = <1800000>;
116	};
117
118	vddio_boot: regulator-vddio_boot {
119		compatible = "regulator-fixed";
120		regulator-name = "VDDIO_BOOT";
121		regulator-min-microvolt = <3300000>;
122		regulator-max-microvolt = <3300000>;
123	};
124};
125
126&cec_AO {
127	status = "okay";
128	pinctrl-0 = <&ao_cec_pins>;
129	pinctrl-names = "default";
130	hdmi-phandle = <&hdmi_tx>;
131};
132
133&cvbs_vdac_port {
134	cvbs_vdac_out: endpoint {
135		remote-endpoint = <&cvbs_connector_in>;
136	};
137};
138
139&ethmac {
140	status = "okay";
141};
142
143&internal_phy {
144	pinctrl-0 = <&eth_link_led_pins>, <&eth_act_led_pins>;
145	pinctrl-names = "default";
146};
147
148&ir {
149	status = "okay";
150	pinctrl-0 = <&remote_input_ao_pins>;
151	pinctrl-names = "default";
152};
153
154&hdmi_tx {
155	status = "okay";
156	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
157	pinctrl-names = "default";
158	hdmi-supply = <&hdmi_5v>;
159};
160
161&hdmi_tx_tmds_port {
162	hdmi_tx_tmds_out: endpoint {
163		remote-endpoint = <&hdmi_connector_in>;
164	};
165};
166
167&gpio_ao {
168	gpio-line-names = "UART TX",
169			  "UART RX",
170			  "Blue LED",
171			  "SDCard Voltage Switch",
172			  "7J1 Header Pin5",
173			  "7J1 Header Pin3",
174			  "7J1 Header Pin12",
175			  "IR In",
176			  "9J3 Switch HDMI CEC/7J1 Header Pin11",
177			  "7J1 Header Pin13",
178			  /* GPIO_TEST_N */
179			  "7J1 Header Pin15";
180};
181
182&gpio {
183	gpio-line-names = /* Bank GPIOZ */
184			  "", "", "", "", "", "", "",
185			  "", "", "", "", "", "", "",
186			  "Eth Link LED", "Eth Activity LED",
187			  /* Bank GPIOH */
188			  "HDMI HPD", "HDMI SDA", "HDMI SCL",
189			  "HDMI_5V_EN", "9J1 Header Pin2",
190			  "Analog Audio Mute",
191			  "2J3 Header Pin6",
192			  "2J3 Header Pin5",
193			  "2J3 Header Pin4",
194			  "2J3 Header Pin3",
195			  /* Bank BOOT */
196			  "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
197			  "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
198			  "eMMC Clk", "eMMC Reset", "eMMC CMD",
199			  "ALT BOOT MODE", "", "", "", "eMMC Data Strobe",
200			  /* Bank CARD */
201			  "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
202			  "SDCard D3", "SDCard D2", "SDCard Det",
203			  /* Bank GPIODV */
204			  "", "", "", "", "", "", "", "", "", "", "", "",
205			  "", "", "", "", "", "", "", "", "", "", "", "",
206			  "Green LED", "VCCK Enable",
207			  "7J1 Header Pin27", "7J1 Header Pin28",
208			  "VCCK Regulator", "VDDEE Regulator",
209			  /* Bank GPIOX */
210			  "7J1 Header Pin22", "7J1 Header Pin26",
211			  "7J1 Header Pin36", "7J1 Header Pin38",
212			  "7J1 Header Pin40", "7J1 Header Pin37",
213			  "7J1 Header Pin33", "7J1 Header Pin35",
214			  "7J1 Header Pin19", "7J1 Header Pin21",
215			  "7J1 Header Pin24", "7J1 Header Pin23",
216			  "7J1 Header Pin8", "7J1 Header Pin10",
217			  "7J1 Header Pin16", "7J1 Header Pin18",
218			  "7J1 Header Pin32", "7J1 Header Pin29",
219			  "7J1 Header Pin31",
220			  /* Bank GPIOCLK */
221			  "7J1 Header Pin7", "";
222};
223
224&saradc {
225	status = "okay";
226	vref-supply = <&vddio_ao18>;
227};
228
229/* SD card */
230&sd_emmc_b {
231	status = "okay";
232	pinctrl-0 = <&sdcard_pins>;
233	pinctrl-1 = <&sdcard_clk_gate_pins>;
234	pinctrl-names = "default", "clk-gate";
235
236	bus-width = <4>;
237	cap-sd-highspeed;
238	max-frequency = <100000000>;
239	disable-wp;
240
241	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
242
243	vmmc-supply = <&vcc_3v3>;
244	vqmmc-supply = <&vcc_card>;
245};
246
247/* eMMC */
248&sd_emmc_c {
249	status = "okay";
250	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
251	pinctrl-1 = <&emmc_clk_gate_pins>;
252	pinctrl-names = "default", "clk-gate";
253
254	bus-width = <8>;
255	cap-mmc-highspeed;
256	mmc-ddr-3_3v;
257	max-frequency = <50000000>;
258	non-removable;
259	disable-wp;
260
261	mmc-pwrseq = <&emmc_pwrseq>;
262	vmmc-supply = <&vcc_3v3>;
263	vqmmc-supply = <&vddio_boot>;
264};
265
266&uart_AO {
267	status = "okay";
268	pinctrl-0 = <&uart_ao_a_pins>;
269	pinctrl-names = "default";
270};
271
272&usb0 {
273	status = "okay";
274};
275
276&usb2_phy0 {
277	/*
278	 * even though the schematics don't show it:
279	 * HDMI_5V is also used as supply for the USB VBUS.
280	 */
281	phy-supply = <&hdmi_5v>;
282};
283