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	/* This is provided by LDOs on the eMMC daugther card */
119	vddio_boot: regulator-vddio_boot {
120		compatible = "regulator-fixed";
121		regulator-name = "VDDIO_BOOT";
122		regulator-min-microvolt = <1800000>;
123		regulator-max-microvolt = <1800000>;
124		vin-supply = <&vcc_3v3>;
125	};
126};
127
128&cec_AO {
129	status = "okay";
130	pinctrl-0 = <&ao_cec_pins>;
131	pinctrl-names = "default";
132	hdmi-phandle = <&hdmi_tx>;
133};
134
135&cvbs_vdac_port {
136	cvbs_vdac_out: endpoint {
137		remote-endpoint = <&cvbs_connector_in>;
138	};
139};
140
141&ethmac {
142	status = "okay";
143};
144
145&internal_phy {
146	pinctrl-0 = <&eth_link_led_pins>, <&eth_act_led_pins>;
147	pinctrl-names = "default";
148};
149
150&ir {
151	status = "okay";
152	pinctrl-0 = <&remote_input_ao_pins>;
153	pinctrl-names = "default";
154};
155
156&hdmi_tx {
157	status = "okay";
158	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
159	pinctrl-names = "default";
160	hdmi-supply = <&hdmi_5v>;
161};
162
163&hdmi_tx_tmds_port {
164	hdmi_tx_tmds_out: endpoint {
165		remote-endpoint = <&hdmi_connector_in>;
166	};
167};
168
169&gpio_ao {
170	gpio-line-names = "UART TX",
171			  "UART RX",
172			  "Blue LED",
173			  "SDCard Voltage Switch",
174			  "7J1 Header Pin5",
175			  "7J1 Header Pin3",
176			  "7J1 Header Pin12",
177			  "IR In",
178			  "9J3 Switch HDMI CEC/7J1 Header Pin11",
179			  "7J1 Header Pin13",
180			  /* GPIO_TEST_N */
181			  "7J1 Header Pin15";
182};
183
184&gpio {
185	gpio-line-names = /* Bank GPIOZ */
186			  "", "", "", "", "", "", "",
187			  "", "", "", "", "", "", "",
188			  "Eth Link LED", "Eth Activity LED",
189			  /* Bank GPIOH */
190			  "HDMI HPD", "HDMI SDA", "HDMI SCL",
191			  "HDMI_5V_EN", "9J1 Header Pin2",
192			  "Analog Audio Mute",
193			  "2J3 Header Pin6",
194			  "2J3 Header Pin5",
195			  "2J3 Header Pin4",
196			  "2J3 Header Pin3",
197			  /* Bank BOOT */
198			  "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
199			  "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
200			  "eMMC Clk", "eMMC Reset", "eMMC CMD",
201			  "ALT BOOT MODE", "", "", "", "eMMC Data Strobe",
202			  /* Bank CARD */
203			  "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
204			  "SDCard D3", "SDCard D2", "SDCard Det",
205			  /* Bank GPIODV */
206			  "", "", "", "", "", "", "", "", "", "", "", "",
207			  "", "", "", "", "", "", "", "", "", "", "", "",
208			  "Green LED", "VCCK Enable",
209			  "7J1 Header Pin27", "7J1 Header Pin28",
210			  "VCCK Regulator", "VDDEE Regulator",
211			  /* Bank GPIOX */
212			  "7J1 Header Pin22", "7J1 Header Pin26",
213			  "7J1 Header Pin36", "7J1 Header Pin38",
214			  "7J1 Header Pin40", "7J1 Header Pin37",
215			  "7J1 Header Pin33", "7J1 Header Pin35",
216			  "7J1 Header Pin19", "7J1 Header Pin21",
217			  "7J1 Header Pin24", "7J1 Header Pin23",
218			  "7J1 Header Pin8", "7J1 Header Pin10",
219			  "7J1 Header Pin16", "7J1 Header Pin18",
220			  "7J1 Header Pin32", "7J1 Header Pin29",
221			  "7J1 Header Pin31",
222			  /* Bank GPIOCLK */
223			  "7J1 Header Pin7", "";
224};
225
226&saradc {
227	status = "okay";
228	vref-supply = <&vddio_ao18>;
229};
230
231/* SD card */
232&sd_emmc_b {
233	status = "okay";
234	pinctrl-0 = <&sdcard_pins>;
235	pinctrl-1 = <&sdcard_clk_gate_pins>;
236	pinctrl-names = "default", "clk-gate";
237
238	bus-width = <4>;
239	cap-sd-highspeed;
240	max-frequency = <50000000>;
241	disable-wp;
242
243	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
244
245	vmmc-supply = <&vcc_3v3>;
246	vqmmc-supply = <&vcc_card>;
247};
248
249/* eMMC */
250&sd_emmc_c {
251	status = "okay";
252	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
253	pinctrl-1 = <&emmc_clk_gate_pins>;
254	pinctrl-names = "default", "clk-gate";
255
256	bus-width = <8>;
257	cap-mmc-highspeed;
258	mmc-ddr-1_8v;
259	mmc-hs200-1_8v;
260	max-frequency = <200000000>;
261	disable-wp;
262
263	mmc-pwrseq = <&emmc_pwrseq>;
264	vmmc-supply = <&vcc_3v3>;
265	vqmmc-supply = <&vddio_boot>;
266};
267
268&uart_AO {
269	status = "okay";
270	pinctrl-0 = <&uart_ao_a_pins>;
271	pinctrl-names = "default";
272};
273
274&usb0 {
275	status = "okay";
276};
277
278&usb2_phy0 {
279	/*
280	 * even though the schematics don't show it:
281	 * HDMI_5V is also used as supply for the USB VBUS.
282	 */
283	phy-supply = <&hdmi_5v>;
284};
285