ARM: dts: imx6sl-tolino-shine2hd: add second uart

There is another uart next to the console uart used by vendor uboot and kernel, enable it and document its location. Signed-off-by: Andreas Kemnade <[email protected]> Signed-off-by: Shawn Guo <[email protected]>
fracktal · Jan 18, 2021 · b34af2e · b34af2e
1 parent 4dec146
commit b34af2e
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts b/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts
@@ -340,7 +340,6 @@
 			MX6SL_PAD_KEY_ROW7__GPIO4_IO07		0x79
 			MX6SL_PAD_ECSPI2_MOSI__GPIO4_IO13	0x79
 			MX6SL_PAD_KEY_COL5__GPIO4_IO02		0x79
-			MX6SL_PAD_KEY_ROW6__GPIO4_IO05		0x79
 		>;
 	};
 
@@ -400,6 +399,13 @@
 		>;
 	};
 
+	pinctrl_uart4: uart4grp {
+		fsl,pins = <
+			MX6SL_PAD_KEY_ROW6__UART4_TX_DATA 0x1b0b1
+			MX6SL_PAD_KEY_COL6__UART4_RX_DATA 0x1b0b1
+		>;
+	};
+
 	pinctrl_usbotg1: usbotg1grp {
 		fsl,pins = <
 			MX6SL_PAD_EPDC_PWRCOM__USB_OTG1_ID 0x17059
@@ -549,6 +555,13 @@
 	status = "okay";
 };
 
+&uart4 {
+	/* TP198, next to J4, SMD pads */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart4>;
+	status = "okay";
+};
+
 &usdhc2 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
 	pinctrl-0 = <&pinctrl_usdhc2>;