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dts: atmel: add spi node for arduino due

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Add SPI0 node and associated pincontrols in Arduino Due device tree.

Signed-off-by: Eve Redero <eve.redero@gmail.com>
This commit is contained in:
Eve Redero 2025-02-25 22:32:04 +01:00 • committed by Benjamin Cabé
commit 97ee3e8894
3 changed files with 35 additions and 0 deletions
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8
boards/arduino/due/arduino_due-pinctrl.dtsi
View file

@ -53,6 +53,14 @@
}; };
}; };
spi0_default: spi0_default {
group1 {
pinmux = <PA25A_SPI0_MISO>,
<PA26A_SPI0_MOSI>,
<PA27A_SPI0_SPCK>;
};
};
pwm0_default: pwm0_default { pwm0_default: pwm0_default {
group1 { group1 {
pinmux = <PC4B_PWM_PWML1>, pinmux = <PC4B_PWM_PWML1>,

7
boards/arduino/due/arduino_due.dts
View file

@ -58,6 +58,13 @@
pinctrl-names = "default"; pinctrl-names = "default";
}; };
&spi0 {
status = "okay";
pinctrl-0 = <&spi0_default>;
pinctrl-names = "default";
cs-gpios = <&pioa 28 GPIO_ACTIVE_LOW>;
};
&uart { &uart {
status = "okay"; status = "okay";
current-speed = <115200>; current-speed = <115200>;

20
dts/arm/atmel/sam3x.dtsi
View file

@ -50,6 +50,26 @@
reg = <0x20070000 0x18000>; reg = <0x20070000 0x18000>;
}; };
spi0: spi@40008000 {
compatible = "atmel,sam-spi";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x40008000 0x4000>;
interrupts = <24 0>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 24>;
status = "disabled";
};
spi1: spi@4000c000 {
compatible = "atmel,sam-spi";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x4000c000 0x4000>;
interrupts = <25 0>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 25>;
status = "disabled";
};
/* Only used for HWINFO device ID */ /* Only used for HWINFO device ID */
eefc: flash-controller@400e0a00 { eefc: flash-controller@400e0a00 {
compatible = "atmel,sam-flash-controller"; compatible = "atmel,sam-flash-controller";