Hi Marek
On 10/23/21 8:33 PM, Marek Vasut wrote:
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
arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi | 9 --------- arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi | 9 --------- 2 files changed, 18 deletions(-)
diff --git a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi index 11bc247065b..71b0486f02a 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 9d3db208769..502cd95da05 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; };
Reviewed-by: Patrice Chotard patrice.chotard@foss.st.com
Thanks Patrice