diff options
| author | Marek Vasut | 2020-04-27 12:26:43 +0200 |
|---|---|---|
| committer | Patrick Delaunay | 2020-05-14 09:02:12 +0200 |
| commit | 1e444bdc986aa56f9aaff01e1b57ed34d6ce8667 (patch) | |
| tree | 15e66e23cd2f5a3ff6339895863f9ae6470a7b41 | |
| parent | 8d055b020aa8679d8033649d69655f299569720f (diff) | |
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>
| -rw-r--r-- | arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi | 9 | ||||
| -rw-r--r-- | configs/stm32mp15_dhcom_basic_defconfig | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi index e59da53502c..75d75266e85 100644 --- a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi +++ b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi @@ -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; }; diff --git a/configs/stm32mp15_dhcom_basic_defconfig b/configs/stm32mp15_dhcom_basic_defconfig index 76382340735..c1c83eb4fc3 100644 --- a/configs/stm32mp15_dhcom_basic_defconfig +++ b/configs/stm32mp15_dhcom_basic_defconfig @@ -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 |