boards: renesas: ek_ra6m4: added mikrobus node labels
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>
diff --git a/boards/renesas/ek_ra6m4/ek_ra6m4-pinctrl.dtsi b/boards/renesas/ek_ra6m4/ek_ra6m4-pinctrl.dtsi
index 86e7a25..081e3a7 100644
--- a/boards/renesas/ek_ra6m4/ek_ra6m4-pinctrl.dtsi
+++ b/boards/renesas/ek_ra6m4/ek_ra6m4-pinctrl.dtsi
@@ -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 */
diff --git a/boards/renesas/ek_ra6m4/ek_ra6m4.dts b/boards/renesas/ek_ra6m4/ek_ra6m4.dts
index 3eda814..e23f6d9 100644
--- a/boards/renesas/ek_ra6m4/ek_ra6m4.dts
+++ b/boards/renesas/ek_ra6m4/ek_ra6m4.dts
@@ -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 {};