Enable GPIO button command support and map the common VOL- button label to the existing fastboot command.
Golden uses a different label for the same KEY_VOLUMEDOWN button. Normalize it in the U-Boot overlay so the environment works for all target boards. Link: https://lore.kernel.org/linux-arm-kernel/20260818-ux500-dts-golden-voldown-label-v1-1-3edd581b0...@kernel.org/ Signed-off-by: Linus Walleij <[email protected]> --- arch/arm/dts/ste-ux500-samsung-golden-u-boot.dtsi | 4 ++++ configs/stemmy_defconfig | 3 +++ include/configs/stemmy.h | 4 +++- 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/arm/dts/ste-ux500-samsung-golden-u-boot.dtsi b/arch/arm/dts/ste-ux500-samsung-golden-u-boot.dtsi index 647b3f73c413..34fc58ec1538 100644 --- a/arch/arm/dts/ste-ux500-samsung-golden-u-boot.dtsi +++ b/arch/arm/dts/ste-ux500-samsung-golden-u-boot.dtsi @@ -9,3 +9,7 @@ &panel_reg_3v0 { regulator-name = "panel-fixed-supply-3v0"; }; + +&{/gpio-keys/volume-down} { + label = "VOL-"; +}; diff --git a/configs/stemmy_defconfig b/configs/stemmy_defconfig index c253780df2ef..2bc395a2682e 100644 --- a/configs/stemmy_defconfig +++ b/configs/stemmy_defconfig @@ -15,6 +15,9 @@ CONFIG_DEFAULT_DEVICE_TREE="st/ste-ux500-samsung-janice" CONFIG_OF_UPSTREAM=y CONFIG_SYS_BOOTM_LEN=0x4000000 CONFIG_SYS_LOAD_ADDR=0x100000 +CONFIG_BUTTON=y +CONFIG_BUTTON_GPIO=y +CONFIG_BUTTON_CMD=y CONFIG_BOOTSTD_FULL=y CONFIG_OF_BOARD_SETUP=y CONFIG_USE_BOOTCOMMAND=y diff --git a/include/configs/stemmy.h b/include/configs/stemmy.h index e58ddd752cd3..08fa3dfd5b75 100644 --- a/include/configs/stemmy.h +++ b/include/configs/stemmy.h @@ -36,7 +36,9 @@ "fastboot_partition_alias_userdata=DATAFS\0" #define BOOTCMD_ENV \ - "fastbootcmd=echo '*** FASTBOOT MODE ***'; fastboot usb 0\0" + "fastbootcmd=echo '*** FASTBOOT MODE ***'; fastboot usb 0\0" \ + "button_cmd_0_name=VOL-\0" \ + "button_cmd_0=run fastbootcmd\0" #define CFG_EXTRA_ENV_SETTINGS \ BOOT_ENV \ -- 2.55.0
