[PATCH 1/4] ARM: dts: Activate pullups in the console pins on rv1108-elgin-r1

[Otavio Salvador]

In order to make the console pins more robust to noise, activate
the pullups and increase its drive strength.

Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
---

 arch/arm/dts/rv1108-elgin-r1.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/dts/rv1108-elgin-r1.dts b/arch/arm/dts/rv1108-elgin-r1.dts
index 32b95940b0..83e8b31838 100644
--- a/arch/arm/dts/rv1108-elgin-r1.dts
+++ b/arch/arm/dts/rv1108-elgin-r1.dts
@@ -40,9 +40,20 @@
 };
 
 &uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2m0_xfer_pullup>;
 	status = "okay";
 };
 
 &usb20_otg {
 	status = "okay";
 };
+
+&pinctrl {
+	uart2m0 {
+		uart2m0_xfer_pullup: uart2m0-xfer-pullup {
+			rockchip,pins = <2 RK_PD2 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
+					<2 RK_PD1 RK_FUNC_1 &pcfg_pull_up_drv_8ma>;
+		};
+	};
+};
-- 
2.25.1