This board has a Startek KD070FHFID078 MIPI-DSI panel on the DSI0 connector, so add and configure the pipeline connecting VDOSYS0 components to DSI0, with the needed pinctrl and display nodes in devicetree. Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@xxxxxxxxxxxxx> --- I've tested this patch on a Mediatek Genio 1200 EVK P1V2 board, with a kernel based on linux-next (tag: next-20250224) plus the following patchsets: - MediaTek MT8195/MT8395 Display Controller Graph [1] - Add driver for Himax HX8279 DriverIC panels [2] [1] https://lore.kernel.org/all/20250213112008.56394-1-angelogioacchino.delregno@xxxxxxxxxxxxx/ [2] https://lore.kernel.org/all/20250218143952.84261-1-angelogioacchino.delregno@xxxxxxxxxxxxx/ --- .../boot/dts/mediatek/mt8395-genio-1200-evk.dts | 125 +++++++++++++++++++-- 1 file changed, 118 insertions(+), 7 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts b/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts index 5950194c9ccb2520d826c4d26f6dc0958a5a17fa..2679727bcf07d6b7d5e8aae5b717c2f31bad7947 100644 --- a/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts +++ b/arch/arm64/boot/dts/mediatek/mt8395-genio-1200-evk.dts @@ -91,13 +91,12 @@ apu_mem: memory@62000000 { }; }; - backlight_lcd0: backlight-lcd0 { + backlight_lcm0: backlight-lcm0 { compatible = "pwm-backlight"; - pwms = <&disp_pwm0 0 500000>; - enable-gpios = <&pio 47 GPIO_ACTIVE_HIGH>; brightness-levels = <0 1023>; - num-interpolated-steps = <1023>; default-brightness-level = <576>; + num-interpolated-steps = <1023>; + pwms = <&disp_pwm0 0 500000>; }; backlight_lcd1: backlight-lcd1 { @@ -150,6 +149,24 @@ button-volume-up { }; }; + lcm0_iovcc: regulator-vio18-lcm0 { + compatible = "regulator-fixed"; + regulator-name = "vio18_lcm0"; + enable-active-high; + gpio = <&pio 47 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&dsi0_vreg_en_pins>; + vin-supply = <&mt6360_ldo2>; + }; + + lcm0_vddp: regulator-vsys-lcm0 { + compatible = "regulator-fixed"; + regulator-name = "vsys_lcm0"; + regulator-always-on; + regulator-boot-on; + vin-supply = <&mt6360_ldo1>; + }; + wifi_fixed_3v3: regulator-2 { compatible = "regulator-fixed"; regulator-name = "wifi_3v3"; @@ -163,14 +180,65 @@ wifi_fixed_3v3: regulator-2 { &disp_pwm0 { pinctrl-names = "default"; - pinctrl-0 = <&pwm0_default_pins>; + pinctrl-0 = <&disp_pwm0_pins>; status = "okay"; }; +&dither0_in { + remote-endpoint = <&gamma0_out>; +}; + +&dither0_out { + remote-endpoint = <&dsi0_in>; +}; + &dmic_codec { wakeup-delay-ms = <200>; }; +&dsi0 { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + panel@0 { + compatible = "startek,kd070fhfid078", "himax,hx8279"; + reg = <0>; + backlight = <&backlight_lcm0>; + enable-gpios = <&pio 48 GPIO_ACTIVE_HIGH>; + reset-gpios = <&pio 108 GPIO_ACTIVE_HIGH>; + iovcc-supply = <&lcm0_iovcc>; + vdd-supply = <&lcm0_vddp>; + pinctrl-names = "default"; + pinctrl-0 = <&panel_default_pins>; + + port { + dsi_panel_in: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + }; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsi0_in: endpoint { + remote-endpoint = <&dither0_out>; + }; + }; + + port@1 { + reg = <1>; + dsi0_out: endpoint { + remote-endpoint = <&dsi_panel_in>; + }; + }; + }; +}; + ð { phy-mode ="rgmii-rxid"; phy-handle = <ð_phy0>; @@ -194,6 +262,10 @@ eth_phy0: ethernet-phy@1 { }; }; +&gamma0_out { + remote-endpoint = <&dither0_in>; +}; + &gpu { mali-supply = <&mt6315_7_vbuck1>; status = "okay"; @@ -346,6 +418,10 @@ &mfg1 { domain-supply = <&mt6359_vsram_others_ldo_reg>; }; +&mipi_tx0 { + status = "okay"; +}; + &mmc0 { status = "okay"; pinctrl-names = "default", "state_uhs"; @@ -428,6 +504,10 @@ &mt6359codec { mediatek,mic-type-2 = <1>; /* ACC */ }; +&ovl0_in { + remote-endpoint = <&vdosys0_ep_main>; +}; + &pcie0 { pinctrl-names = "default", "idle"; pinctrl-0 = <&pcie0_default_pins>; @@ -705,6 +785,25 @@ pins { }; }; + dsi0_vreg_en_pins: dsi0-vreg-en-pins { + pins-pwr-en { + pinmux = <PINMUX_GPIO47__FUNC_GPIO47>; + output-low; + }; + }; + + panel_default_pins: panel-default-pins { + pins-rst { + pinmux = <PINMUX_GPIO108__FUNC_GPIO108>; + output-high; + }; + + pins-en { + pinmux = <PINMUX_GPIO48__FUNC_GPIO48>; + output-low; + }; + }; + pcie0_default_pins: pcie0-default-pins { pins { pinmux = <PINMUX_GPIO19__FUNC_WAKEN>, @@ -731,8 +830,8 @@ pins { }; }; - pwm0_default_pins: pwm0-default-pins { - pins-cmd-dat { + disp_pwm0_pins: disp-pwm0-pins { + pins-disp-pwm { pinmux = <PINMUX_GPIO97__FUNC_DISP_PWM0>; }; }; @@ -912,6 +1011,18 @@ &ssusb3 { status = "okay"; }; +&vdosys0 { + port { + #address-cells = <1>; + #size-cells = <0>; + + vdosys0_ep_main: endpoint@0 { + reg = <0>; + remote-endpoint = <&ovl0_in>; + }; + }; +}; + &xhci0 { status = "okay"; }; --- base-commit: 907011b922144e5818f97d7c5a8d9a3c95a336b1 change-id: 20250220-mt8395-genio-1200-evk-enable-dsi-panel-e078ec2adaec prerequisite-message-id: <20250213112008.56394-1-angelogioacchino.delregno@xxxxxxxxxxxxx> prerequisite-patch-id: dd6662f92d7c58415b7e6ae2c576705457a1d4e2 prerequisite-patch-id: a86d97f71944c3c7a59376b02bda0901a33ee462 prerequisite-patch-id: 144478e815c29b03a11e4618bdd537d3576fcb59 prerequisite-message-id: <20250218143952.84261-1-angelogioacchino.delregno@xxxxxxxxxxxxx> prerequisite-patch-id: 72961446cc5b827faac095c2d11121d045f93398 prerequisite-patch-id: 8c71dca8b54f1619d13aea34dca06c357abe8511 Best regards, -- Louis-Alexis Eyraud <louisalexis.eyraud@xxxxxxxxxxxxx>
