diff options
| author | Marek Vasut <marex@denx.de> | 2020-05-26 04:30:20 +0200 |
|---|---|---|
| committer | Patrick Delaunay <patrick.delaunay@st.com> | 2020-05-28 08:52:04 +0200 |
| commit | 8b4101d0f9a48a8491043049ed6c7de7d75c63ee (patch) | |
| tree | a4b130b575ca90983c73f096e05fe70bcedc258d | |
| parent | 3f662a67966daacb5e838e64041181e88f9651ab (diff) | |
ARM: stm32: Hog GPIO PF7 high on DHCOR 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>
| -rw-r--r-- | arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi | 9 | ||||
| -rw-r--r-- | configs/stm32mp15_dhcor_basic_defconfig | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi index ef730a83220..bd4c2adc358 100644 --- a/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi +++ b/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi @@ -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; }; diff --git a/configs/stm32mp15_dhcor_basic_defconfig b/configs/stm32mp15_dhcor_basic_defconfig index 7163d0ad1b0..249646c4494 100644 --- a/configs/stm32mp15_dhcor_basic_defconfig +++ b/configs/stm32mp15_dhcor_basic_defconfig @@ -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 |