ARM: dts: imx: e60k02: 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 · 3ad6be9 · 3ad6be9
1 parent 035a3e1
commit 3ad6be9
Show file tree

Hide file tree

Showing 3 changed files with 30 additions and 2 deletions.
diff --git a/arch/arm/boot/dts/e60k02.dtsi b/arch/arm/boot/dts/e60k02.dtsi
@@ -278,6 +278,12 @@
 };
 
 &uart1 {
+	/* J4, through-hole */
+	status = "okay";
+};
+
+&uart4 {
+	/* TP198, next to J4, SMD pads */
 	status = "okay";
 };
 

diff --git a/arch/arm/boot/dts/imx6sl-tolino-shine3.dts b/arch/arm/boot/dts/imx6sl-tolino-shine3.dts
@@ -94,7 +94,6 @@
 			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
 		>;
 	};
 
@@ -160,6 +159,13 @@
 		>;
 	};
 
+	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
@@ -300,6 +306,11 @@
 	pinctrl-0 = <&pinctrl_uart1>;
 };
 
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart4>;
+};
+
 &usdhc2 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
 	pinctrl-0 = <&pinctrl_usdhc2>;

diff --git a/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts b/arch/arm/boot/dts/imx6sll-kobo-clarahd.dts
@@ -104,7 +104,6 @@
 			MX6SLL_PAD_KEY_ROW7__GPIO4_IO07		0x79
 			MX6SLL_PAD_ECSPI2_MOSI__GPIO4_IO13	0x79
 			MX6SLL_PAD_KEY_COL5__GPIO4_IO02		0x79
-			MX6SLL_PAD_KEY_ROW6__GPIO4_IO05		0x79
 		>;
 	};
 
@@ -170,6 +169,13 @@
 		>;
 	};
 
+	pinctrl_uart4: uart4grp {
+		fsl,pins = <
+			MX6SLL_PAD_KEY_ROW6__UART4_DCE_TX 0x1b0b1
+			MX6SLL_PAD_KEY_COL6__UART4_DCE_RX 0x1b0b1
+		>;
+	};
+
 	pinctrl_usbotg1: usbotg1grp {
 		fsl,pins = <
 			MX6SLL_PAD_EPDC_PWR_COM__USB_OTG1_ID 0x17059
@@ -302,6 +308,11 @@
 	pinctrl-0 = <&pinctrl_uart1>;
 };
 
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart4>;
+};
+
 &usdhc2 {
 	pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
 	pinctrl-0 = <&pinctrl_usdhc2>;