diff mbox series

[2/4] ARM: dts: imx6sl-tolino-shine2hd: add second uart

Message ID 20210112231549.29957-3-andreas@kemnade.info (mailing list archive)
State New, archived
Headers show
Series ARM: dts: imx: uart improvements for ebookreaders | expand

Commit Message

Andreas Kemnade Jan. 12, 2021, 11:15 p.m. UTC 
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 <andreas@kemnade.info>
---
 arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts b/arch/arm/boot/dts/imx6sl-tolino-shine2hd.dts
index e17c75c360f2..6ea5f918d059 100644
--- 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>;