summaryrefslogtreecommitdiff
path: root/arch/arm
diff options
context:
space:
mode:
authorOtavio Salvador <otavio@ossystems.com.br>2020-03-13 14:42:45 -0300
committerKever Yang <kever.yang@rock-chips.com>2020-03-26 22:58:46 +0800
commitaf84b3327ad269ffefcd66ddff2f5dea5eff38f8 (patch)
tree280021857fc9c45769577959fa0ab0adb77c38eb /arch/arm
parent23cb61761b137f088ef8625a1c4e7d9af2cbd296 (diff)
ARM: dts: Activate pullups in the console pins on rv1108-elgin-r1
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@ossystems.com.br> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/dts/rv1108-elgin-r1.dts11
1 files changed, 11 insertions, 0 deletions
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>;
+ };
+ };
+};