ARM64: dts: pico-8m: add uart4 support

TechNexion · Jun 1, 2018 · a2a72a0 · a2a72a0
1 parent 437bacf
commit a2a72a0
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/arch/arm64/boot/dts/freescale/pico-8m.dts b/arch/arm64/boot/dts/freescale/pico-8m.dts
@@ -224,6 +224,15 @@
 			>;
 		};
 
+		pinctrl_uart4: uart4grp {
+			fsl,pins = <
+				MX8MQ_IOMUXC_ECSPI2_MOSI_UART4_DCE_TX		0x49
+				MX8MQ_IOMUXC_ECSPI2_SCLK_UART4_DCE_RX		0x49
+				MX8MQ_IOMUXC_ECSPI2_MISO_UART4_DCE_CTS_B	0x49
+				MX8MQ_IOMUXC_ECSPI2_SS0_UART4_DCE_RTS_B		0x49
+			>;
+		};
+
 		pinctrl_usdhc1: usdhc1grp {
 			fsl,pins = <
 				MX8MQ_IOMUXC_SD1_CLK_USDHC1_CLK			0x83
@@ -636,6 +645,15 @@
 	status = "okay";
 };
 
+&uart4 { /* 2nd console, CLIX connector */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart4>;
+	assigned-clocks = <&clk IMX8MQ_CLK_UART4_SRC>;
+	assigned-clock-parents = <&clk IMX8MQ_CLK_25M>;
+	fsl,uart-has-rtscts;
+	status = "okay";
+};
+
 &usdhc1 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc1>;