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arm: dts: imx8mm-venice-gw7903: add dig1_ctl and dig2_ctl gpios

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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>
This commit is contained in:
Tim Harvey 2022-09-09 15:58:42 -07:00 • committed by Stefano Babic
parent 880d5688f1
commit 6fe5df86fb
2 changed files with 17 additions and 1 deletions
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14
arch/arm/dts/imx8mm-venice-gw7903-u-boot.dtsi
View file

@ -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;

4
arch/arm/dts/imx8mm-venice-gw7903.dts
View file

@ -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# */