Il 25/04/23 10:24, Chen-Yu Tsai ha scritto:
On Mon, Apr 24, 2023 at 7:25 PM AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> wrote:Add the required nodes to enable the DisplayPort interface, connected to the Embedded DisplayPort port, where we have an internal display. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx> --- .../boot/dts/mediatek/mt8195-cherry.dtsi | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi index 4229f4f7dc2f..adbda4dccdd5 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi @@ -47,6 +47,18 @@ memory@40000000 { reg = <0 0x40000000 0 0x80000000>; }; + pp3300_disp_x: regulator-pp3300-disp-x { + compatible = "regulator-fixed"; + regulator-name = "pp3300_disp_x"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + enable-active-high; + gpio = <&pio 55 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&panel_fixed_pins>; + regulator-always-on;I think you missed my comment on v1 about this regulator's supplier and enable delay.
Sorry, it wasn't my intention to ignore that. Will check that out and push a v3 asap.
ChenYu+ }; + /* system wide LDO 3.3V power rail */ pp3300_z5: regulator-pp3300-ldo-z5 { compatible = "regulator-fixed"; @@ -288,6 +300,20 @@ port@1 { reg = <1>; edp_out: endpoint { data-lanes = <0 1 2 3>; + remote-endpoint = <&panel_in>; + }; + }; + }; + + aux-bus { + panel { + compatible = "edp-panel"; + power-supply = <&pp3300_disp_x>; + backlight = <&backlight_lcd0>; + port { + panel_in: endpoint { + remote-endpoint = <&edp_out>; + }; }; }; }; @@ -927,6 +953,12 @@ pins-cs { }; }; + panel_fixed_pins: panel-pwr-default-pins { + pins-vreg-en { + pinmux = <PINMUX_GPIO55__FUNC_GPIO55>; + }; + }; + pio_default: pio-default-pins { pins-wifi-enable { pinmux = <PINMUX_GPIO58__FUNC_GPIO58>; -- 2.40.0
