rockchip: puma-rk3399: add button support

The Haikou Devkit exposes 4 buttons over GPIO so let's enable their
support so their status can be queried from the `button` command from
the CLI.

Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/configs/puma-rk3399_defconfig b/configs/puma-rk3399_defconfig
index 5319239f9891e74c2553202a92608dde40b0135c..bc9a79107e040783333ee78d397bb2503591da9f 100644 (file)
--- a/configs/puma-rk3399_defconfig
+++ b/configs/puma-rk3399_defconfig
@@ -56,6 +56,8 @@ CONFIG_ENV_SPI_MAX_HZ=50000000
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_SYS_MMC_ENV_DEV=1
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_BUTTON=y
+CONFIG_BUTTON_GPIO=y
 CONFIG_GPIO_HOG=y
 CONFIG_SPL_GPIO_HOG=y
 CONFIG_ROCKCHIP_GPIO=y