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 <thar...@gateworks.com>
---
arch/arm/dts/imx8mm-venice-gw7901-u-boot.dtsi | 14 ++++++++++++++
arch/arm/dts/imx8mm-venice-gw7901.dts | 4 +++-
2 files changed, 17 insertions(+), 1 deletion(-)
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;
diff --git a/arch/arm/dts/imx8mm-venice-gw7901.dts
b/arch/arm/dts/imx8mm-venice-gw7901.dts
index 826627bd4503..ec8d80b76aee 100644
--- a/arch/arm/dts/imx8mm-venice-gw7901.dts
+++ b/arch/arm/dts/imx8mm-venice-gw7901.dts
@@ -303,7 +303,7 @@
&gpio4 {
gpio-line-names = "", "", "", "",
- "", "", "uart3_rs232#", "uart3_rs422#",
+ "dig1_ctl", "dig2_ctl", "uart3_rs232#", "uart3_rs422#",
"uart3_rs485#", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "uart4_rs485#", "", "sim1det#", "sim2det#", "";
@@ -820,6 +820,8 @@
pinctrl_hog: hoggrp {
fsl,pins = <
+ MX8MM_IOMUXC_SAI1_RXD2_GPIO4_IO4 0x40000041 /*
DIG1_CTL */
+ MX8MM_IOMUXC_SAI1_RXD3_GPIO4_IO5 0x40000041 /*
DIG2_CTL */
MX8MM_IOMUXC_SPDIF_TX_GPIO5_IO3 0x40000041 /*
DIG2_OUT */
MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4 0x40000041 /*
DIG2_IN */
MX8MM_IOMUXC_GPIO1_IO06_GPIO1_IO6 0x40000041 /*
DIG1_IN */
--
2.25.1
