leandrof/u-boot
1
0
Fork 1
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ARM: stm32: Hog GPIO PF7 high on DHCOR to unlock SPI NOR nWP

Browse Source 
The SPI NOR nWP line is connected to GPIO PF7 on the SoM,
pull the GPIO line high by default to clear SPI NOR WP.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Marek Vasut 2020-05-26 04:30:20 +02:00 committed by Patrick Delaunay
parent 3f662a6796
commit 8b4101d0f9
2 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
View File

@ -21,6 +21,15 @@
};
};
&gpiof {
snor-nwp {
gpio-hog;
gpios = <7 0>;
output-high;
line-name = "spi-nor-nwp";
};
};
&i2c4 {
u-boot,dm-pre-reloc;
};

1
configs/stm32mp15_dhcor_basic_defconfig
View File

@ -71,6 +71,7 @@ CONFIG_SPL_BLOCK_CACHE=y
CONFIG_DFU_MMC=y
CONFIG_DFU_RAM=y
CONFIG_DFU_VIRT=y
CONFIG_GPIO_HOG=y
CONFIG_DM_HWSPINLOCK=y
CONFIG_HWSPINLOCK_STM32=y
CONFIG_DM_I2C=y