The GW7901 has GPIO's to configure the direction of its isolated digital I/O signals. Add the GPIO pinmux, line names, and hog configuration.

Signed-off-by: Tim Harvey tharvey@gateworks.com --- arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+)

diff --git a/arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi b/arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi index e68030e7b22c..9fa21942c0c6 100644 --- a/arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi +++ b/arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi @@ -43,6 +43,20 @@ };

&gpio4 { + dig1ctl { + gpio-hog; + output-low; + gpios = <4 GPIO_ACTIVE_HIGH>; + line-name = "dig1_ctl"; + }; + + dig2ctl { + gpio-hog; + output-low; + gpios = <5 GPIO_ACTIVE_HIGH>; + line-name = "dig2_ctl"; + }; + uart3_rs232 { gpio-hog; output-high;