ARM: dts: stm32: Drop nWP GPIO hog on DHSOM
The nWP GPIO hog was used to unlock the SPI NOR write protect when U-Boot
used to operate the SPI NOR in 1-1-1 mode. Now that the SPI NOR is operated
in 1-1-4 mode, the hog has adverse effects and causes transfer corruption,
since the hogged pin is also the IO2 pin. Remove the hogs.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
diff --git a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
index 11bc247..71b0486 100644
--- a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
@@ -50,15 +50,6 @@
};
};
-&gpiof {
- snor-nwp {
- gpio-hog;
- gpios = <7 0>;
- output-high;
- line-name = "spi-nor-nwp";
- };
-};
-
&i2c4 {
u-boot,dm-pre-reloc;
};
diff --git a/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
index 9d3db20..502cd95 100644
--- a/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
@@ -25,15 +25,6 @@
u-boot,dm-spl;
};
-&gpiof {
- snor-nwp {
- gpio-hog;
- gpios = <7 0>;
- output-high;
- line-name = "spi-nor-nwp";
- };
-};
-
&i2c4 {
u-boot,dm-pre-reloc;
};