From 6fe5df86fb2f87fc5b7876e26e2e3e17b217d8e6 Mon Sep 17 00:00:00 2001
From: Tim Harvey <tharvey@gateworks.com>
Date: Fri, 9 Sep 2022 15:58:42 -0700
Subject: [PATCH] arm: dts: imx8mm-venice-gw7903: add dig1_ctl and dig2_ctl
gpios
The GW7903 revision B adds two additional GPIO's to control the
direction of the 2 isolated digital I/O circuits.
Define them as:
- dig1_ctl
- dig2_ctl
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
arch/arm/dts/imx8mm-venice-gw7903-u-boot.dtsi | 14 ++++++++++++++
arch/arm/dts/imx8mm-venice-gw7903.dts | 4 +++-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/imx8mm-venice-gw7903-u-boot.dtsi b/arch/arm/dts/imx8mm-venice-gw7903-u-boot.dtsi
index 896e5d4edd..ff9b12a834 100644
--- a/arch/arm/dts/imx8mm-venice-gw7903-u-boot.dtsi
+++ b/arch/arm/dts/imx8mm-venice-gw7903-u-boot.dtsi
@@ -43,6 +43,20 @@
line-name = "dig2_out#";
};
+ dig2ctl {
+ gpio-hog;
+ output-low;
+ gpios = <2 GPIO_ACTIVE_HIGH>;
+ line-name = "dig2_ctl";
+ };
+
+ dig1ctl {
+ gpio-hog;
+ output-low;
+ gpios = <6 GPIO_ACTIVE_HIGH>;
+ line-name = "dig1_ctl";
+ };
+
dig1out {
gpio-hog;
output-high;
diff --git a/arch/arm/dts/imx8mm-venice-gw7903.dts b/arch/arm/dts/imx8mm-venice-gw7903.dts
index a7dae9bd4c..1b69ac0e12 100644
--- a/arch/arm/dts/imx8mm-venice-gw7903.dts
+++ b/arch/arm/dts/imx8mm-venice-gw7903.dts
@@ -250,7 +250,7 @@
};
&gpio2 {
- gpio-line-names = "dig2_in", "dig2_out#", "", "", "", "", "", "",
+ gpio-line-names = "dig2_in", "dig2_out#", "dig2_ctl", "", "", "", "dig1_ctl", "",
"dig1_out#", "dig1_in", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "";
@@ -630,6 +630,8 @@
MX8MM_IOMUXC_GPIO1_IO12_GPIO1_IO12 0x40000041 /* RS232# */
MX8MM_IOMUXC_SD1_DATA7_GPIO2_IO9 0x40000041 /* DIG1_IN */
MX8MM_IOMUXC_SD1_DATA6_GPIO2_IO8 0x40000041 /* DIG1_OUT */
+ MX8MM_IOMUXC_SD1_DATA4_GPIO2_IO6 0x40000041 /* DIG1_CTL */
+ MX8MM_IOMUXC_SD1_DATA0_GPIO2_IO2 0x40000041 /* DIG2_CTL */
MX8MM_IOMUXC_SD1_CLK_GPIO2_IO0 0x40000041 /* DIG2_IN */
MX8MM_IOMUXC_SD1_CMD_GPIO2_IO1 0x40000041 /* DIG2_OUT */
MX8MM_IOMUXC_ECSPI1_MOSI_GPIO5_IO7 0x40000041 /* SIM1DET# */
--
2.39.5