add led

hc

2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/arch/arm/boot/dts/stm32f429-disco.dts
..
..
@@ -49,6 +49,8 @@
49
49
 #include "stm32f429.dtsi"
50
50
 #include "stm32f429-pinctrl.dtsi"
51
51
 #include <dt-bindings/input/input.h>
52
+#include <dt-bindings/interrupt-controller/irq.h>
53
+#include <dt-bindings/gpio/gpio.h>
52
54
 
53
55
 / {
54
56
 	model = "STMicroelectronics STM32F429i-DISCO board";
..
..
@@ -59,7 +61,8 @@
59
61
 		stdout-path = "serial0:115200n8";
60
62
 	};
61
63
 
62
-	memory {
64
+	memory@90000000 {
65
+		device_type = "memory";
63
66
 		reg = <0x90000000 0x800000>;
64
67
 	};
65
68
 
..
..
@@ -69,10 +72,10 @@
69
72
 
70
73
 	leds {
71
74
 		compatible = "gpio-leds";
72
-		red {
75
+		led-red {
73
76
 			gpios = <&gpiog 14 0>;
74
77
 		};
75
-		green {
78
+		led-green {
76
79
 			gpios = <&gpiog 13 0>;
77
80
 			linux,default-trigger = "heartbeat";
78
81
 		};
..
..
@@ -105,12 +108,103 @@
105
108
 	status = "okay";
106
109
 };
107
110
 
111
+&i2c3 {
112
+	pinctrl-names = "default";
113
+	pinctrl-0 = <&i2c3_pins>;
114
+	clock-frequency = <100000>;
115
+	status = "okay";
116
+
117
+	stmpe811@41 {
118
+		compatible = "st,stmpe811";
119
+		reg = <0x41>;
120
+		interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
121
+		interrupt-parent = <&gpioa>;
122
+		/* 3.25 MHz ADC clock speed */
123
+		st,adc-freq = <1>;
124
+		/* 12-bit ADC */
125
+		st,mod-12b = <1>;
126
+		/* internal ADC reference */
127
+		st,ref-sel = <0>;
128
+		/* ADC converstion time: 80 clocks */
129
+		st,sample-time = <4>;
130
+
131
+		stmpe_touchscreen {
132
+			compatible = "st,stmpe-ts";
133
+			/* 8 sample average control */
134
+			st,ave-ctrl = <3>;
135
+			/* 7 length fractional part in z */
136
+			st,fraction-z = <7>;
137
+			/*
138
+			 * 50 mA typical 80 mA max touchscreen drivers
139
+			 * current limit value
140
+			 */
141
+			st,i-drive = <1>;
142
+			/* 1 ms panel driver settling time */
143
+			st,settling = <3>;
144
+			/* 5 ms touch detect interrupt delay */
145
+			st,touch-det-delay = <5>;
146
+		};
147
+
148
+		stmpe_adc {
149
+			compatible = "st,stmpe-adc";
150
+			/* forbid to use ADC channels 3-0 (touch) */
151
+			st,norequest-mask = <0x0F>;
152
+		};
153
+	};
154
+};
155
+
156
+&ltdc {
157
+	status = "okay";
158
+	pinctrl-0 = <&ltdc_pins_b>;
159
+	pinctrl-names = "default";
160
+
161
+	port {
162
+		ltdc_out_rgb: endpoint {
163
+			remote-endpoint = <&panel_in_rgb>;
164
+		};
165
+	};
166
+};
167
+
108
168
 &rtc {
109
169
 	assigned-clocks = <&rcc 1 CLK_RTC>;
110
170
 	assigned-clock-parents = <&rcc 1 CLK_LSI>;
111
171
 	status = "okay";
112
172
 };
113
173
 
174
+&spi5 {
175
+	status = "okay";
176
+	pinctrl-0 = <&spi5_pins>;
177
+	pinctrl-names = "default";
178
+	#address-cells = <1>;
179
+	#size-cells = <0>;
180
+	cs-gpios = <&gpioc 1 GPIO_ACTIVE_LOW>, <&gpioc 2 GPIO_ACTIVE_LOW>;
181
+
182
+	l3gd20: l3gd20@0 {
183
+		compatible = "st,l3gd20-gyro";
184
+		spi-max-frequency = <10000000>;
185
+		st,drdy-int-pin = <2>;
186
+		interrupt-parent = <&gpioa>;
187
+		interrupts = <1 IRQ_TYPE_EDGE_RISING>,
188
+				<2 IRQ_TYPE_EDGE_RISING>;
189
+		reg = <0>;
190
+		status = "okay";
191
+	};
192
+
193
+	display: display@1{
194
+		/* Connect panel-ilitek-9341 to ltdc */
195
+		compatible = "st,sf-tc240t-9370-t", "ilitek,ili9341";
196
+		reg = <1>;
197
+		spi-3wire;
198
+		spi-max-frequency = <10000000>;
199
+		dc-gpios = <&gpiod 13 0>;
200
+		port {
201
+			panel_in_rgb: endpoint {
202
+			remote-endpoint = <&ltdc_out_rgb>;
203
+			};
204
+		};
205
+	};
206
+};
207
+
114
208
 &usart1 {
115
209
 	pinctrl-0 = <&usart1_pins_a>;
116
210
 	pinctrl-names = "default";