diff options
| author | Marek Vasut <[email protected]> | 2020-04-27 12:26:43 +0200 |
|---|---|---|
| committer | Patrick Delaunay <[email protected]> | 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 <[email protected]>
Cc: Patrick Delaunay <[email protected]>
Cc: Patrice Chotard <[email protected]>
Reviewed-by: Patrick Delaunay <[email protected]>
| -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 |