add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
..
..
@@ -1,7 +1,7 @@
1
1
 // SPDX-License-Identifier: GPL-2.0
2
2
 /dts-v1/;
3
3
 #include "bcm2836.dtsi"
4
-#include "bcm2835-rpi.dtsi"
4
+#include "bcm2836-rpi.dtsi"
5
5
 #include "bcm283x-rpi-smsc9514.dtsi"
6
6
 #include "bcm283x-rpi-usb-host.dtsi"
7
7
 
..
..
@@ -9,16 +9,17 @@
9
9
 	compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
10
10
 	model = "Raspberry Pi 2 Model B";
11
11
 
12
-	memory {
12
+	memory@0 {
13
+		device_type = "memory";
13
14
 		reg = <0 0x40000000>;
14
15
 	};
15
16
 
16
17
 	leds {
17
-		act {
18
+		led-act {
18
19
 			gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
19
20
 		};
20
21
 
21
-		pwr {
22
+		led-pwr {
22
23
 			label = "PWR";
23
24
 			gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
24
25
 			default-state = "keep";
..
..
@@ -28,6 +29,72 @@
28
29
 };
29
30
 
30
31
 &gpio {
32
+	/*
33
+	 * Taken from rpi_SCH_2b_1p2_reduced.pdf and
34
+	 * the official GPU firmware DT blob.
35
+	 *
36
+	 * Legend:
37
+	 * "NC" = not connected (no rail from the SoC)
38
+	 * "FOO" = GPIO line named "FOO" on the schematic
39
+	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
40
+	 */
41
+	gpio-line-names = "ID_SDA",
42
+			  "ID_SCL",
43
+			  "SDA1",
44
+			  "SCL1",
45
+			  "GPIO_GCLK",
46
+			  "GPIO5",
47
+			  "GPIO6",
48
+			  "SPI_CE1_N",
49
+			  "SPI_CE0_N",
50
+			  "SPI_MISO",
51
+			  "SPI_MOSI",
52
+			  "SPI_SCLK",
53
+			  "GPIO12",
54
+			  "GPIO13",
55
+			  /* Serial port */
56
+			  "TXD0",
57
+			  "RXD0",
58
+			  "GPIO16",
59
+			  "GPIO17",
60
+			  "GPIO18",
61
+			  "GPIO19",
62
+			  "GPIO20",
63
+			  "GPIO21",
64
+			  "GPIO22",
65
+			  "GPIO23",
66
+			  "GPIO24",
67
+			  "GPIO25",
68
+			  "GPIO26",
69
+			  "GPIO27",
70
+			  "SDA0",
71
+			  "SCL0",
72
+			  "", /* GPIO30 */
73
+			  "LAN_RUN",
74
+			  "CAM_GPIO1",
75
+			  "", /* GPIO33 */
76
+			  "", /* GPIO34 */
77
+			  "PWR_LOW_N",
78
+			  "", /* GPIO36 */
79
+			  "", /* GPIO37 */
80
+			  "USB_LIMIT",
81
+			  "", /* GPIO39 */
82
+			  "PWM0_OUT",
83
+			  "CAM_GPIO0",
84
+			  "SMPS_SCL",
85
+			  "SMPS_SDA",
86
+			  "ETHCLK",
87
+			  "PWM1_OUT",
88
+			  "HDMI_HPD_N",
89
+			  "STATUS_LED",
90
+			  /* Used by SD Card */
91
+			  "SD_CLK_R",
92
+			  "SD_CMD_R",
93
+			  "SD_DATA0_R",
94
+			  "SD_DATA1_R",
95
+			  "SD_DATA2_R",
96
+			  "SD_DATA3_R";
97
+
31
98
 	pinctrl-0 = <&gpioout &alt0 &i2s_alt0>;
32
99
 
33
100
 	/* I2S interface */
..
..
@@ -39,6 +106,8 @@
39
106
 
40
107
 &hdmi {
41
108
 	hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
109
+	power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
110
+	status = "okay";
42
111
 };
43
112
 
44
113
 &pwm {
..
..
@@ -47,6 +116,13 @@
47
116
 	status = "okay";
48
117
 };
49
118
 
119
+&sdhost {
120
+	pinctrl-names = "default";
121
+	pinctrl-0 = <&sdhost_gpio48>;
122
+	bus-width = <4>;
123
+	status = "okay";
124
+};
125
+
50
126
 &uart0 {
51
127
 	pinctrl-names = "default";
52
128
 	pinctrl-0 = <&uart0_gpio14>;