diff options
Diffstat (limited to 'arch/arm/dts/stm32f429-disco.dts')
| -rw-r--r-- | arch/arm/dts/stm32f429-disco.dts | 99 |
1 files changed, 96 insertions, 3 deletions
diff --git a/arch/arm/dts/stm32f429-disco.dts b/arch/arm/dts/stm32f429-disco.dts index 3a83ef5f60..42477c8d3f 100644 --- a/arch/arm/dts/stm32f429-disco.dts +++ b/arch/arm/dts/stm32f429-disco.dts @@ -7,6 +7,8 @@ #include "stm32f429.dtsi" #include "stm32f429-pinctrl.dtsi" #include <dt-bindings/input/input.h> +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/gpio/gpio.h> / { model = "STMicroelectronics STM32F429i-DISCO board"; @@ -17,7 +19,7 @@ stdout-path = "serial0:115200n8"; }; - memory { + memory@90000000 { device_type = "memory"; reg = <0x90000000 0x800000>; }; @@ -28,10 +30,10 @@ leds { compatible = "gpio-leds"; - red { + led-red { gpios = <&gpiog 14 0>; }; - green { + led-green { gpios = <&gpiog 13 0>; linux,default-trigger = "heartbeat"; }; @@ -66,12 +68,103 @@ status = "okay"; }; +&i2c3 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c3_pins>; + clock-frequency = <100000>; + status = "okay"; + + stmpe811@41 { + compatible = "st,stmpe811"; + reg = <0x41>; + interrupts = <15 IRQ_TYPE_EDGE_FALLING>; + interrupt-parent = <&gpioa>; + /* 3.25 MHz ADC clock speed */ + st,adc-freq = <1>; + /* 12-bit ADC */ + st,mod-12b = <1>; + /* internal ADC reference */ + st,ref-sel = <0>; + /* ADC converstion time: 80 clocks */ + st,sample-time = <4>; + + stmpe_touchscreen { + compatible = "st,stmpe-ts"; + /* 8 sample average control */ + st,ave-ctrl = <3>; + /* 7 length fractional part in z */ + st,fraction-z = <7>; + /* + * 50 mA typical 80 mA max touchscreen drivers + * current limit value + */ + st,i-drive = <1>; + /* 1 ms panel driver settling time */ + st,settling = <3>; + /* 5 ms touch detect interrupt delay */ + st,touch-det-delay = <5>; + }; + + stmpe_adc { + compatible = "st,stmpe-adc"; + /* forbid to use ADC channels 3-0 (touch) */ + st,norequest-mask = <0x0F>; + }; + }; +}; + +<dc { + status = "okay"; + pinctrl-0 = <<dc_pins_b>; + pinctrl-names = "default"; + + port { + ltdc_out_rgb: endpoint { + remote-endpoint = <&panel_in_rgb>; + }; + }; +}; + &rtc { assigned-clocks = <&rcc 1 CLK_RTC>; assigned-clock-parents = <&rcc 1 CLK_LSI>; status = "okay"; }; +&spi5 { + status = "okay"; + pinctrl-0 = <&spi5_pins>; + pinctrl-names = "default"; + #address-cells = <1>; + #size-cells = <0>; + cs-gpios = <&gpioc 1 GPIO_ACTIVE_LOW>, <&gpioc 2 GPIO_ACTIVE_LOW>; + + l3gd20: l3gd20@0 { + compatible = "st,l3gd20-gyro"; + spi-max-frequency = <10000000>; + st,drdy-int-pin = <2>; + interrupt-parent = <&gpioa>; + interrupts = <1 IRQ_TYPE_EDGE_RISING>, + <2 IRQ_TYPE_EDGE_RISING>; + reg = <0>; + status = "okay"; + }; + + display: display@1{ + /* Connect panel-ilitek-9341 to ltdc */ + compatible = "st,sf-tc240t-9370-t"; + reg = <1>; + spi-3wire; + spi-max-frequency = <10000000>; + dc-gpios = <&gpiod 13 0>; + port { + panel_in_rgb: endpoint { + remote-endpoint = <<dc_out_rgb>; + }; + }; + }; +}; + &usart1 { pinctrl-0 = <&usart1_pins_a>; pinctrl-names = "default"; |