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boards: renesas: ek_ra6m4: added mikrobus node labels

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Added mikrobus_serial, mikrobus_i2c, mikrobus_spi and mikrobus_header
node labels to EK-RA6M4 device tree board definition, allowing compatible
shield boards to be used.

Signed-off-by: Ian Morris <ian.d.morris@outlook.com>
This commit is contained in:
Ian Morris 2025-02-20 16:51:02 -08:00 • committed by Benjamin Cabé
commit 22d4161cc0
2 changed files with 61 additions and 0 deletions
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8
boards/renesas/ek_ra6m4/ek_ra6m4-pinctrl.dtsi
View file

@ -12,6 +12,14 @@
};
};
sci7_default: sci7_default {
group1 {
/* tx rx */
psels = <RA_PSEL(RA_PSEL_SCI_7, 6, 13)>,
<RA_PSEL(RA_PSEL_SCI_7, 6, 14)>;
};
};
iic1_default: iic1_default {
group1 {
/* SCL1 SDA1 */

53
boards/renesas/ek_ra6m4/ek_ra6m4.dts
View file

@ -41,6 +41,29 @@
};
};
mikrobus_header: mikrobus-connector {
compatible = "mikro-bus";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map = <0 0 &ioport0 0 0>, /* AN */
<1 0 &ioport1 15 0>, /* RST */
<2 0 &ioport2 5 0>, /* CS */
<3 0 &ioport2 4 0>, /* SCK */
<4 0 &ioport2 2 0>, /* MISO */
<5 0 &ioport2 3 0>, /* MOSI */
/* +3.3V */
/* GND */
<6 0 &ioport4 8 0>, /* PWM */
<7 0 &ioport4 9 0>, /* INT */
<8 0 &ioport6 14 0>, /* RX */
<9 0 &ioport6 13 0>, /* TX */
<10 0 &ioport5 12 0>, /* SCL */
<11 0 &ioport5 11 0>; /* SDA */
/* +5V */
/* GND */
};
buttons {
compatible = "gpio-keys";
button0: s1 {
@ -72,6 +95,16 @@
};
};
&sci7 {
pinctrl-0 = <&sci7_default>;
pinctrl-names = "default";
status = "okay";
uart7: uart {
current-speed = <115200>;
status = "okay";
};
};
&iic1 {
status = "okay";
#address-cells = <1>;
@ -93,10 +126,26 @@
status = "okay";
};
&ioport1 {
status = "okay";
};
&ioport2 {
status = "okay";
};
&ioport4 {
status = "okay";
};
&ioport5 {
status = "okay";
};
&ioport6 {
status = "okay";
};
&xtal {
clock-frequency = <DT_FREQ_M(24)>;
mosel = <0>;
@ -190,3 +239,7 @@
status = "okay";
};
};
mikrobus_serial: &uart7 {};
mikrobus_i2c: &iic1 {};
mikrobus_spi: &spi0 {};