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

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 2020-04-27 12:26:43 +02:00 committed by Patrick Delaunay
parent 8d055b020a
commit 1e444bdc98
2 changed files with 10 additions and 0 deletions

View File

@ -49,6 +49,15 @@
};
};
&gpiof {
snor-nwp {
gpio-hog;
gpios = <7 0>;
output-high;
line-name = "spi-nor-nwp";
};
};
&i2c4 {
u-boot,dm-pre-reloc;
};

View File

@ -74,6 +74,7 @@ CONFIG_DFU_MMC=y
CONFIG_DFU_RAM=y
CONFIG_DFU_VIRT=y
CONFIG_SET_DFU_ALT_INFO=y
CONFIG_GPIO_HOG=y
CONFIG_DM_HWSPINLOCK=y
CONFIG_HWSPINLOCK_STM32=y
CONFIG_DM_I2C=y