To make it easier to read the device tree, let's add constants for the rockchip,reset-mode property values that are currently only applicable to RK806 PMIC. Signed-off-by: Quentin Schulz <quentin.schulz@cherry.de> [dt-maintainers did not consider this part of the binding, so we're keeping the header in the devicetree directory] Link: https://lore.kernel.org/r/20250627-rk8xx-rst-fun-v4-3-ce05d041b45f@cherry.de Signed-off-by: Heiko Stuebner <heiko@sntech.de> [ upstream commit: 304be20e65ca08fc2e9cb58eb939a0054d8a8b81 ] (cherry picked from commit 0e417bfcbc385c127c7f5ea01df6289aed8325c2) Reviewed-by: Kever Yang <kever.yang@rock-chips.com>