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2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d 
 kernel/arch/arm/boot/dts/tegra20-colibri-iris.dts
....@@ -1,15 +1,21 @@
11 // SPDX-License-Identifier: GPL-2.0
22 /dts-v1/;
33 
4
+#include <dt-bindings/input/input.h>
45 #include "tegra20-colibri.dtsi"
56 
67 / {
7
-	model = "Toradex Colibri T20 256/512 MB on Iris";
8
-	compatible = "toradex,iris", "toradex,colibri_t20-512", "nvidia,tegra20";
8
+	model = "Toradex Colibri T20 on Iris";
9
+	compatible = "toradex,colibri_t20-iris", "toradex,colibri_t20",
10
+		     "nvidia,tegra20";
911 
1012 	aliases {
13
+		rtc0 = "/i2c@7000c000/rtc@68";
14
+		rtc1 = "/i2c@7000d000/pmic@34";
15
+		rtc2 = "/rtc@7000e000";
1116 		serial0 = &uarta;
1217 		serial1 = &uartd;
18
+		serial2 = &uartb;
1319 	};
1420 
1521 	chosen {
....@@ -17,90 +23,222 @@
1723 	};
1824 
1925 	host1x@50000000 {
26
+		dc@54200000 {
27
+			rgb {
28
+				status = "okay";
29
+				nvidia,panel = <&panel>;
30
+			};
31
+		};
32
+
2033 		hdmi@54280000 {
2134 			status = "okay";
35
+			hdmi-supply = <&reg_5v0>;
2236 		};
2337 	};
2438 
2539 	pinmux@70000014 {
2640 		state_default: pinmux {
27
-			hdint {
41
+			bl-on {
2842 				nvidia,tristate = <TEGRA_PIN_DISABLE>;
2943 			};
3044 
31
-			i2cddc {
45
+			ddc {
3246 				nvidia,tristate = <TEGRA_PIN_DISABLE>;
3347 			};
3448 
35
-			sdio4 {
49
+			hotplug-detect {
3650 				nvidia,tristate = <TEGRA_PIN_DISABLE>;
3751 			};
3852 
39
-			uarta {
53
+			i2c {
4054 				nvidia,tristate = <TEGRA_PIN_DISABLE>;
4155 			};
4256 
43
-			uartd {
57
+			lcd {
58
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
59
+			};
60
+
61
+			lm1 {
62
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
63
+			};
64
+
65
+			mmc {
66
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
67
+			};
68
+
69
+			mmccd {
70
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
71
+			};
72
+
73
+			pwm-a-b {
74
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
75
+			};
76
+
77
+			pwm-c-d {
78
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
79
+			};
80
+
81
+			ssp {
82
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
83
+			};
84
+
85
+			uart-a {
86
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
87
+			};
88
+
89
+			uart-b {
90
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
91
+			};
92
+
93
+			uart-c {
94
+				nvidia,tristate = <TEGRA_PIN_DISABLE>;
95
+			};
96
+
97
+			usbh-pen {
4498 				nvidia,tristate = <TEGRA_PIN_DISABLE>;
4599 			};
46100 		};
47101 	};
48102 
103
+	/* Colibri UART-A */
49104 	serial@70006000 {
50105 		status = "okay";
51106 	};
52107 
108
+	/* Colibri UART-C */
109
+	serial@70006040 {
110
+		status = "okay";
111
+	};
112
+
113
+	/* Colibri UART-B */
53114 	serial@70006300 {
54115 		status = "okay";
55116 	};
56117 
57
-	i2c_ddc: i2c@7000c400 {
118
+	pwm@7000a000 {
58119 		status = "okay";
59120 	};
60121 
122
+	/*
123
+	 * GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier
124
+	 * board)
125
+	 */
126
+	i2c@7000c000 {
127
+		status = "okay";
128
+		clock-frequency = <400000>;
129
+
130
+		/* M41T0M6 real time clock on carrier board */
131
+		rtc@68 {
132
+			compatible = "st,m41t0";
133
+			reg = <0x68>;
134
+		};
135
+	};
136
+
137
+	/* GEN2_I2C: unused */
138
+
139
+	/* CAM_I2C (I2C3): unused */
140
+
141
+	/* DDC_CLOCK/DATA on X3 pin 15/16 (e.g. display EDID) */
142
+	i2c@7000c400 {
143
+		status = "okay";
144
+	};
145
+
146
+	/* EHCI instance 0: USB1_DP/N -> USBC_P/N */
61147 	usb@c5000000 {
62148 		status = "okay";
149
+		dr_mode = "otg";
63150 	};
64151 
65152 	usb-phy@c5000000 {
66153 		status = "okay";
154
+		vbus-supply = <&reg_usbc_vbus>;
67155 	};
68156 
157
+	/* EHCI instance 2: USB3_DP/N -> USBH_P/N */
69158 	usb@c5008000 {
70159 		status = "okay";
71160 	};
72161 
73162 	usb-phy@c5008000 {
74163 		status = "okay";
164
+		vbus-supply = <&reg_usbh_vbus>;
75165 	};
76166 
77
-	sdhci@c8000600 {
167
+	/* SPI4: Colibri SSP */
168
+	spi@7000da00 {
169
+		status = "okay";
170
+		spi-max-frequency = <25000000>;
171
+	};
172
+
173
+	/* SD/MMC */
174
+	mmc@c8000600 {
78175 		status = "okay";
79176 		bus-width = <4>;
80
-		vmmc-supply = <&vcc_sd_reg>;
81
-		vqmmc-supply = <&vcc_sd_reg>;
177
+		cd-gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>; /* MMCD */
178
+		no-1-8-v;
82179 	};
83180 
84
-	regulators {
85
-		regulator@0 {
86
-			compatible = "regulator-fixed";
87
-			reg = <0>;
88
-			regulator-name = "usb_host_vbus";
89
-			regulator-min-microvolt = <5000000>;
90
-			regulator-max-microvolt = <5000000>;
91
-			regulator-boot-on;
92
-			regulator-always-on;
93
-			gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_HIGH>;
94
-		};
181
+	backlight: backlight {
182
+		compatible = "pwm-backlight";
183
+		brightness-levels = <255 128 64 32 16 8 4 0>;
184
+		default-brightness-level = <6>;
185
+		/* BL_ON */
186
+		enable-gpios = <&gpio TEGRA_GPIO(T, 4) GPIO_ACTIVE_HIGH>;
187
+		power-supply = <&reg_3v3>;
188
+		pwms = <&pwm 0 5000000>; /* PWM<A> */
189
+	};
95190 
96
-		vcc_sd_reg: regulator@1 {
97
-			compatible = "regulator-fixed";
98
-			reg = <1>;
99
-			regulator-name = "vcc_sd";
100
-			regulator-min-microvolt = <3300000>;
101
-			regulator-max-microvolt = <3300000>;
102
-			regulator-boot-on;
103
-			regulator-always-on;
191
+	gpio-keys {
192
+		compatible = "gpio-keys";
193
+
194
+		wakeup {
195
+			label = "SODIMM pin 45 wakeup";
196
+			gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
197
+			linux,code = <KEY_WAKEUP>;
198
+			debounce-interval = <10>;
199
+			wakeup-source;
104200 		};
105201 	};
202
+
203
+	panel: panel {
204
+		/*
205
+		 * edt,et057090dhu: EDT 5.7" LCD TFT
206
+		 * edt,et070080dh6: EDT 7.0" LCD TFT
207
+		 */
208
+		compatible = "edt,et057090dhu";
209
+		backlight = <&backlight>;
210
+		power-supply = <&reg_3v3>;
211
+	};
212
+
213
+	reg_3v3: regulator-3v3 {
214
+		compatible = "regulator-fixed";
215
+		regulator-name = "3.3V";
216
+		regulator-min-microvolt = <3300000>;
217
+		regulator-max-microvolt = <3300000>;
218
+	};
219
+
220
+	reg_5v0: regulator-5v0 {
221
+		compatible = "regulator-fixed";
222
+		regulator-name = "5V";
223
+		regulator-min-microvolt = <5000000>;
224
+		regulator-max-microvolt = <5000000>;
225
+	};
226
+
227
+	reg_usbc_vbus: regulator-usbc-vbus {
228
+		compatible = "regulator-fixed";
229
+		regulator-name = "VCC_USB2";
230
+		regulator-min-microvolt = <5000000>;
231
+		regulator-max-microvolt = <5000000>;
232
+		vin-supply = <&reg_5v0>;
233
+	};
234
+
235
+	/* USBH_PEN resp. USB_P_EN */
236
+	reg_usbh_vbus: regulator-usbh-vbus {
237
+		compatible = "regulator-fixed";
238
+		regulator-name = "VCC_USB1";
239
+		regulator-min-microvolt = <5000000>;
240
+		regulator-max-microvolt = <5000000>;
241
+		gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_LOW>;
242
+		vin-supply = <&reg_5v0>;
243
+	};
106244 };