The GW7902 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 896e5d4edde3..ff9b12a83408 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 a7dae9bd4c11..1b69ac0e12b0 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# */