Re: [PATCH 1/4] ARM: dts: Activate pullups in the console pins on rv1108-elgin-r1【请注意，邮件由u-boot-bounces@lists.denx.de代发】

[Kever Yang]

Hi Otavio,


On 2020/3/14 上午1:42, Otavio Salvador wrote:

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

Signed-off-by: Otavio Salvador <ota...@ossystems.com.br>

Reviewed-by: Kever Yang <kever.y...@rock-chips.com>

Thanks,
- Kever

---

  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>;
+               };
+       };
+};