boards: ti: lp_em_cc2340r5: Add I2C support

Enable I2C for TI lp_em_cc2340r5. Signed-off-by: Stoyan Bogdanov <[email protected]>
zephyrproject-rtos · Jan 24, 2025 · c5f2267 · c5f2267
1 parent dfc3415
commit c5f2267
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diff --git a/boards/ti/lp_em_cc2340r5/lp_em_cc2340r5-pinctrl.dtsi b/boards/ti/lp_em_cc2340r5/lp_em_cc2340r5-pinctrl.dtsi
@@ -18,4 +18,18 @@
 		bias-disable;
 		input-enable;
 	};
+
+	/* I2C0 */
+	i2c0_scl_default: i2c0_scl_default {
+		pinmux = <24 DIO24_I2C0_SCL>;
+		bias-pull-up;
+		drive-open-drain;
+		input-enable;
+	};
+	i2c0_sda_default: i2c0_sda_default {
+		pinmux = <0 DIO0_I2C0_SDA>;
+		bias-pull-up;
+		drive-open-drain;
+		input-enable;
+	};
 };
diff --git a/boards/ti/lp_em_cc2340r5/lp_em_cc2340r5.dts b/boards/ti/lp_em_cc2340r5/lp_em_cc2340r5.dts
@@ -73,3 +73,11 @@
 	pinctrl-0 = <&uart0_rx_default &uart0_tx_default>;
 	pinctrl-names = "default";
 };
+
+&i2c0 {
+	status = "okay";
+	pinctrl-0 = <&i2c0_scl_default
+		     &i2c0_sda_default>;
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+};