ARM: dts: imx7ulp: remove bias-pull-up

i.MX7ULP pinctrl don't support bias-pull-up property. So remove it to fix
below CHECK_DTBS warnings:
  arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dtb: pinctrl@40ac0000 (fsl,imx7ulp-iomuxc1): lpuart4grp: 'bias-pull-up' does not match any of the regexes: '^pinctrl-[0-9]+$'

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts b/arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts
index eff51e113db4f947b7532e2e1fca538da6d74f6c..88d7dc005fa0ea1d91fa561c0c3e4963c1459481 100644 (file)
--- a/arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts
@@ -92,7 +92,6 @@
                        IMX7ULP_PAD_PTC3__LPUART4_RX    0x3
                        IMX7ULP_PAD_PTC2__LPUART4_TX    0x3
                >;
-               bias-pull-up;
        };
 
        pinctrl_pwm0: pwm0grp {