[PATCH v1 2/4] arm64: dts: mediatek: mt8390-genio-common: Add Display on DSI0
AngeloGioacchino Del Regno
angelogioacchino.delregno at collabora.com
Thu Feb 20 03:09:46 PST 2025
Configure the DSI0 display pipeline and add regulator, pinctrl
and display node to enable the Startek KD070FHFID078 panel found
on the MediaTek Genio 510 and Genio 700 EVKs.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
.../dts/mediatek/mt8390-genio-common.dtsi | 145 +++++++++++++++++-
1 file changed, 137 insertions(+), 8 deletions(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
index 83828baa887b..0191776e037c 100644
--- a/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8390-genio-common.dtsi
@@ -21,6 +21,7 @@
/ {
aliases {
+ dsi0 = &disp_dsi0;
ethernet0 = ð
i2c0 = &i2c0;
i2c1 = &i2c1;
@@ -34,6 +35,15 @@ aliases {
serial0 = &uart0;
};
+ backlight_lcm1: backlight-lcm1 {
+ compatible = "pwm-backlight";
+ brightness-levels = <0 1023>;
+ default-brightness-level = <576>;
+ num-interpolated-steps = <1023>;
+ power-supply = <®_vsys>;
+ pwms = <&disp_pwm1 0 500000>;
+ };
+
chosen {
stdout-path = "serial0:921600n8";
};
@@ -218,6 +228,28 @@ usb_p2_vbus: regulator-9 {
regulator-max-microvolt = <5000000>;
enable-active-high;
};
+
+ lcm1_iovcc: regulator-vio18-lcm1 {
+ compatible = "regulator-fixed";
+ regulator-name = "vio18_lcm1";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ enable-active-high;
+ gpio = <&pio 111 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&dsi0_vreg_en_pins>;
+ vin-supply = <®_vsys>;
+ };
+
+ lcm1_vddp: regulator-vsys-lcm1 {
+ compatible = "regulator-fixed";
+ regulator-name = "vsys_lcm1";
+ regulator-min-microvolt = <4200000>;
+ regulator-max-microvolt = <4200000>;
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <®_vsys>;
+ };
};
&adsp {
@@ -230,6 +262,67 @@ &afe {
status = "okay";
};
+&disp_dsi0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ panel at 0 {
+ compatible = "startek,kd070fhfid078", "himax,hx8279";
+ reg = <0>;
+ backlight = <&backlight_lcm1>;
+ enable-gpios = <&pio 45 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&pio 25 GPIO_ACTIVE_HIGH>;
+ iovcc-supply = <&lcm1_iovcc>;
+ vdd-supply = <&lcm1_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 at 0 {
+ reg = <0>;
+ dsi0_in: endpoint {
+ remote-endpoint = <&dither0_out>;
+ };
+ };
+
+ port at 1 {
+ reg = <1>;
+ dsi0_out: endpoint {
+ remote-endpoint = <&dsi_panel_in>;
+ };
+ };
+ };
+};
+
+&disp_pwm1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&disp_pwm1_pins>;
+ status = "okay";
+};
+
+&dither0_in {
+ remote-endpoint = <&postmask0_out>;
+};
+
+&dither0_out {
+ remote-endpoint = <&dsi0_in>;
+};
+
+&gamma0_out {
+ remote-endpoint = <&postmask0_in>;
+};
+
&gpu {
mali-supply = <&mt6359_vproc2_buck_reg>;
status = "okay";
@@ -381,6 +474,10 @@ &mfg1 {
domain-supply = <&mt6359_vsram_others_ldo_reg>;
};
+&mipi_tx_config0 {
+ status = "okay";
+};
+
&mmc0 {
status = "okay";
pinctrl-names = "default", "state_uhs";
@@ -490,6 +587,10 @@ &mt6359codec {
mediatek,mic-type-1 = <3>; /* DCC */
};
+&ovl0_in {
+ remote-endpoint = <&vdosys0_ep_main>;
+};
+
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pcie_pins_default>;
@@ -528,6 +629,12 @@ pins-cmd-dat {
};
};
+ disp_pwm1_pins: disp-pwm1-pins {
+ pins-pwm {
+ pinmux = <PINMUX_GPIO30__FUNC_O_DISP_PWM1>;
+ };
+ };
+
dptx_pins: dptx-pins {
pins-cmd-dat {
pinmux = <PINMUX_GPIO46__FUNC_I0_DP_TX_HPD>;
@@ -848,20 +955,22 @@ pins-dat1 {
};
};
- panel_default_pins: panel-default-pins {
- pins-dcdc {
- pinmux = <PINMUX_GPIO45__FUNC_B_GPIO45>;
- output-low;
- };
-
- pins-en {
+ dsi0_vreg_en_pins: dsi0-vreg-en-pins {
+ pins-pwr-en {
pinmux = <PINMUX_GPIO111__FUNC_B_GPIO111>;
output-low;
};
+ };
+ panel_default_pins: panel-default-pins {
pins-rst {
pinmux = <PINMUX_GPIO25__FUNC_B_GPIO25>;
- output-high;
+ output-low;
+ };
+
+ pins-en {
+ pinmux = <PINMUX_GPIO45__FUNC_B_GPIO45>;
+ output-low;
};
};
@@ -1039,6 +1148,14 @@ power-key {
};
};
+&postmask0_in {
+ remote-endpoint = <&gamma0_out>;
+};
+
+&postmask0_out {
+ remote-endpoint = <&dither0_in>;
+};
+
&scp {
memory-region = <&scp_mem>;
status = "okay";
@@ -1091,6 +1208,18 @@ &uart2 {
status = "okay";
};
+&vdosys0 {
+ port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ vdosys0_ep_main: endpoint at 0 {
+ reg = <0>;
+ remote-endpoint = <&ovl0_in>;
+ };
+ };
+};
+
&u3phy0 {
status = "okay";
};
--
2.48.1
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