So far it used plain GPIO but we can use PWM for brightness control. While at that use function and color (it's a single color LED) and enable the pattern led trigger to make it more useful. Guido Günther (3): arm64: defconfig: Enable pattern LED trigger arm64: dts: librem5-devkit: Make LED use PWM arm64: dts: librem5-devkit: Use function and color rather than label .../dts/freescale/imx8mq-librem5-devkit.dts | 22 ++++++++++++------- arch/arm64/configs/defconfig | 1 + 2 files changed, 15 insertions(+), 8 deletions(-) -- 2.35.1