Add dp PHY dt-bindings. Changeds in v2: - Add dp PHY dt-bindings. https://patchwork.kernel.org/project/linux-mediatek/patch/ 20240403040517.3279-1-liankun.yang@xxxxxxxxxxxx/ Signed-off-by: Liankun Yang <liankun.yang@xxxxxxxxxxxx> --- .../display/mediatek/mediatek.phy-dp.yaml | 45 +++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek.phy-dp.yaml diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek.phy-dp.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek.phy-dp.yaml index 000000000000..476bc329363f --- /dev/null +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek.phy-dp.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/mediatek/mediatek,phy-dp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek Display Port Controller + +maintainers: + - Mac shen <mac.shen@xxxxxxxxxxxx> + - Liankun yang <Liankun.yang@xxxxxxxxxxxx> + +description: | + Special settings need to be configured by MediaTek DP based on the actual + hardware situation. For example, when using a certain brand's docking + station for display projection, garbage may appear. Adjusting the specific + ssc value can resolve this issue. + +properties: + status: disabled + description: | + Since the DP driver has already registered the DP PHY device + through mtk_dp_register_phy(), so the status is disabled. + + dp-ssc-setting: + - ssc-delta-hbr + description: Specific values are set based on the actual HW situation. + +required: + - status + - dp-ssc-setting + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + + phy-dp@1c600000 { + status = "disabled"; + dp-ssc-setting { + ssc-delta-hbr = <0x01fe>; + } + }; + }; -- 2.18.0
