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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb 
 kernel/arch/arm/boot/dts/at91-ariag25.dts
....@@ -1,10 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * at91-ariag25.dts - Device Tree file for Acme Systems Aria G25 (AT91SAM9G25 based)
34  *
45  * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>,
56  *                    Robert Nelson <robertcnelson@gmail.com>
6
- *
7
- * Licensed under GPLv2 or later.
87  */
98 /dts-v1/;
109 #include "at91sam9g25.dtsi"
....@@ -15,11 +14,6 @@
1514 		     "atmel,at91sam9x5", "atmel,at91sam9";
1615 
1716 	aliases {
18
-		serial0 = &dbgu;
19
-		serial1 = &usart0;
20
-		serial2 = &usart1;
21
-		serial3 = &usart2;
22
-		serial4 = &usart3;
2317 		serial5 = &uart0;
2418 		serial6 = &uart1;
2519 	};
....@@ -28,7 +22,7 @@
2822 		bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
2923 	};
3024 
31
-	memory {
25
+	memory@20000000 {
3226 		/* 128 MB, change this for 256 MB revision */
3327 		reg = <0x20000000 0x8000000>;
3428 	};
....@@ -40,132 +34,6 @@
4034 
4135 		main_xtal {
4236 			clock-frequency = <12000000>;
43
-		};
44
-	};
45
-
46
-	ahb {
47
-		apb {
48
-			mmc0: mmc@f0008000 {
49
-				/* N.B. Aria has no SD card detect (CD), assumed present */
50
-
51
-				pinctrl-0 = <
52
-					&pinctrl_mmc0_slot0_clk_cmd_dat0
53
-					&pinctrl_mmc0_slot0_dat1_3>;
54
-				status = "okay";
55
-				slot@0 {
56
-					reg = <0>;
57
-					bus-width = <4>;
58
-				};
59
-			};
60
-
61
-			tcb0: timer@f8008000 {
62
-				timer@0 {
63
-					compatible = "atmel,tcb-timer";
64
-					reg = <0>;
65
-				};
66
-
67
-				timer@1 {
68
-					compatible = "atmel,tcb-timer";
69
-					reg = <1>;
70
-				};
71
-			};
72
-
73
-			i2c0: i2c@f8010000 {
74
-				status = "okay";
75
-			};
76
-
77
-			i2c1: i2c@f8014000 {
78
-				status = "okay";
79
-			};
80
-
81
-			/* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */
82
-
83
-			usart0: serial@f801c000 {
84
-				pinctrl-0 = <&pinctrl_usart0
85
-					     &pinctrl_usart0_rts
86
-					     &pinctrl_usart0_cts>;
87
-				status = "okay";
88
-			};
89
-
90
-			usart1: serial@f8020000 {
91
-				pinctrl-0 = <&pinctrl_usart1
92
-					     /* &pinctrl_usart1_rts */
93
-					     /* &pinctrl_usart1_cts */
94
-					    >;
95
-				status = "okay";
96
-			};
97
-
98
-			usart2: serial@f8024000 {
99
-				/* cannot activate RTS2+CTS2, clash with
100
-				 * ethernet on PB0 and PB1 */
101
-				pinctrl-0 = <&pinctrl_usart2>;
102
-				status = "okay";
103
-			};
104
-
105
-			usart3: serial@f8028000 {
106
-				compatible = "atmel,at91sam9260-usart";
107
-				reg = <0xf8028000 0x200>;
108
-				interrupts = <8 4 5>;
109
-				pinctrl-names = "default";
110
-				pinctrl-0 = <&pinctrl_usart3
111
-					     /* &pinctrl_usart3_rts */
112
-					     /* &pinctrl_usart3_cts */
113
-					    >;
114
-				status = "okay";
115
-			};
116
-
117
-			macb0: ethernet@f802c000 {
118
-				phy-mode = "rmii";
119
-				/*
120
-				 * following can be overwritten by bootloader:
121
-				 * for example u-boot 'ftd set' command
122
-				 */
123
-				local-mac-address = [00 00 00 00 00 00];
124
-				status = "okay";
125
-			};
126
-
127
-			/*
128
-			 * UART0/1 pins are marked as GPIO on
129
-			 * Aria documentation.
130
-			 * Change to "okay" if you need additional serial ports
131
-			 */
132
-			uart0: serial@f8040000 {
133
-				status = "disabled";
134
-			};
135
-
136
-			uart1: serial@f8044000 {
137
-				status = "disabled";
138
-			};
139
-
140
-			adc0: adc@f804c000 {
141
-				status = "okay";
142
-				atmel,adc-channels-used = <0xf>;
143
-			};
144
-
145
-			dbgu: serial@fffff200 {
146
-				status = "okay";
147
-			};
148
-
149
-			pinctrl@fffff400 {
150
-				w1_0 {
151
-					pinctrl_w1_0: w1_0-0 {
152
-						atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */
153
-					};
154
-				};
155
-			};
156
-
157
-			rtc@fffffeb0 {
158
-				status = "okay";
159
-			};
160
-		};
161
-
162
-		usb0: ohci@600000 {
163
-			status = "okay";
164
-			num-ports = <3>;
165
-		};
166
-
167
-		usb1: ehci@700000 {
168
-			status = "okay";
16937 		};
17038 	};
17139 
....@@ -188,3 +56,128 @@
18856 		pinctrl-0 = <&pinctrl_w1_0>;
18957 	};
19058 };
59
+
60
+&adc0 {
61
+	status = "okay";
62
+	atmel,adc-channels-used = <0xf>;
63
+};
64
+
65
+&dbgu {
66
+	status = "okay";
67
+};
68
+
69
+&i2c0 {
70
+	status = "okay";
71
+};
72
+
73
+&i2c1 {
74
+	status = "okay";
75
+};
76
+
77
+/* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */
78
+
79
+&macb0 {
80
+	phy-mode = "rmii";
81
+	/*
82
+	 * following can be overwritten by bootloader:
83
+	 * for example u-boot 'ftd set' command
84
+	 */
85
+	local-mac-address = [00 00 00 00 00 00];
86
+	status = "okay";
87
+};
88
+
89
+
90
+&mmc0 {
91
+	/* N.B. Aria has no SD card detect (CD), assumed present */
92
+
93
+	pinctrl-0 = <
94
+		&pinctrl_mmc0_slot0_clk_cmd_dat0
95
+		&pinctrl_mmc0_slot0_dat1_3>;
96
+	pinctrl-names = "default";
97
+	status = "okay";
98
+
99
+	slot@0 {
100
+		reg = <0>;
101
+		bus-width = <4>;
102
+	};
103
+};
104
+
105
+&pinctrl {
106
+	w1_0 {
107
+		pinctrl_w1_0: w1_0-0 {
108
+			atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */
109
+		};
110
+	};
111
+};
112
+
113
+&rtc {
114
+	status = "okay";
115
+};
116
+
117
+&tcb0 {
118
+	timer@0 {
119
+		compatible = "atmel,tcb-timer";
120
+		reg = <0>;
121
+	};
122
+
123
+	timer@1 {
124
+		compatible = "atmel,tcb-timer";
125
+		reg = <1>;
126
+	};
127
+};
128
+
129
+/*
130
+ * UART0/1 pins are marked as GPIO on
131
+ * Aria documentation.
132
+ * Change to "okay" if you need additional serial ports
133
+ */
134
+&uart0 {
135
+	status = "disabled";
136
+};
137
+
138
+&uart1 {
139
+	status = "disabled";
140
+};
141
+
142
+&usart0 {
143
+	pinctrl-0 = <&pinctrl_usart0
144
+		     &pinctrl_usart0_rts
145
+		     &pinctrl_usart0_cts>;
146
+	status = "okay";
147
+};
148
+
149
+&usart1 {
150
+	pinctrl-0 = <&pinctrl_usart1
151
+		     /* &pinctrl_usart1_rts */
152
+		     /* &pinctrl_usart1_cts */
153
+		    >;
154
+	status = "okay";
155
+};
156
+
157
+&usart2 {
158
+	/* cannot activate RTS2+CTS2, clash with
159
+	 * ethernet on PB0 and PB1 */
160
+	pinctrl-0 = <&pinctrl_usart2>;
161
+	status = "okay";
162
+};
163
+
164
+&usart3 {
165
+	compatible = "atmel,at91sam9260-usart";
166
+	reg = <0xf8028000 0x200>;
167
+	interrupts = <8 4 5>;
168
+	pinctrl-names = "default";
169
+	pinctrl-0 = <&pinctrl_usart3
170
+		     /* &pinctrl_usart3_rts */
171
+		     /* &pinctrl_usart3_cts */
172
+		    >;
173
+	status = "okay";
174
+};
175
+
176
+&usb0 {
177
+	status = "okay";
178
+	num-ports = <3>;
179
+};
180
+
181
+&usb1 {
182
+	status = "okay";
183
+};