[RESEND PATCH v2 2/2] arm64: dts: mediatek: mt8183-pumpkin: add HDMI support

Pin-yen Lin
2024-08-19T12:07:55Z

From: Fabien Parent <fparent@baylibre.com>

The MT8183 Pumpkin board has a micro-HDMI connector. HDMI support is
provided by an IT66121 DPI <-> HDMI bridge.

This commit enables DPI and add the node for the IT66121 bridge.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Pin-yen Lin <treapking@chromium.org>

---

(no changes since v1)

.../boot/dts/mediatek/mt8183-pumpkin.dts | 121 ++++++++++++++++++
1 file changed, 121 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
index 1aa668c3ccf9..ecc237355b56 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-pumpkin.dts
@@ -63,6 +63,18 @@ thermistor {
pulldown-ohm = <0>;
io-channels = <&auxadc 0>;
};
+
+ connector {
+ compatible = "hdmi-connector";
+ label = "hdmi";
+ type = "d";
+
+ port {
+ hdmi_connector_in: endpoint {
+ remote-endpoint = <&hdmi_connector_out>;
+ };
+ };
+ };
};

&auxadc {
@@ -120,6 +132,41 @@ &i2c6 {
pinctrl-0 = <&i2c6_pins>;
status = "okay";
clock-frequency = <100000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ it66121hdmitx: hdmitx@4c {
+ compatible = "ite,it66121";
+ pinctrl-names = "default";
+ pinctrl-0 = <&ite_pins>;
+ vcn33-supply = <&mt6358_vcn33_wifi_reg>;
+ vcn18-supply = <&mt6358_vcn18_reg>;
+ vrf12-supply = <&mt6358_vrf12_reg>;
+ reset-gpios = <&pio 160 GPIO_ACTIVE_LOW>;
+ interrupt-parent = <&pio>;
+ interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
+ reg = <0x4c>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ it66121_in: endpoint {
+ bus-width = <12>;
+ remote-endpoint = <&dpi_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ hdmi_connector_out: endpoint {
+ remote-endpoint = <&hdmi_connector_in>;
+ };
+ };
+ };
+ };
};

&keyboard {
@@ -362,6 +409,67 @@ pins_clk {
input-enable;
};
};
+
+ ite_pins: ite-pins {
+ pins-irq {
+ pinmux = <PINMUX_GPIO4__FUNC_GPIO4>;
+ input-enable;
+ bias-pull-up;
+ };
+
+ pins-rst {
+ pinmux = <PINMUX_GPIO160__FUNC_GPIO160>;
+ output-high;
+ };
+ };
+
+ dpi_func_pins: dpi-func-pins {
+ pins-dpi {
+ pinmux = <PINMUX_GPIO12__FUNC_I2S5_BCK>,
+ <PINMUX_GPIO46__FUNC_I2S5_LRCK>,
+ <PINMUX_GPIO47__FUNC_I2S5_DO>,
+ <PINMUX_GPIO13__FUNC_DBPI_D0>,
+ <PINMUX_GPIO14__FUNC_DBPI_D1>,
+ <PINMUX_GPIO15__FUNC_DBPI_D2>,
+ <PINMUX_GPIO16__FUNC_DBPI_D3>,
+ <PINMUX_GPIO17__FUNC_DBPI_D4>,
+ <PINMUX_GPIO18__FUNC_DBPI_D5>,
+ <PINMUX_GPIO19__FUNC_DBPI_D6>,
+ <PINMUX_GPIO20__FUNC_DBPI_D7>,
+ <PINMUX_GPIO21__FUNC_DBPI_D8>,
+ <PINMUX_GPIO22__FUNC_DBPI_D9>,
+ <PINMUX_GPIO23__FUNC_DBPI_D10>,
+ <PINMUX_GPIO24__FUNC_DBPI_D11>,
+ <PINMUX_GPIO25__FUNC_DBPI_HSYNC>,
+ <PINMUX_GPIO26__FUNC_DBPI_VSYNC>,
+ <PINMUX_GPIO27__FUNC_DBPI_DE>,
+ <PINMUX_GPIO28__FUNC_DBPI_CK>;
+ };
+ };
+
+ dpi_idle_pins: dpi-idle-pins {
+ pins-idle {
+ pinmux = <PINMUX_GPIO12__FUNC_GPIO12>,
+ <PINMUX_GPIO46__FUNC_GPIO46>,
+ <PINMUX_GPIO47__FUNC_GPIO47>,
+ <PINMUX_GPIO13__FUNC_GPIO13>,
+ <PINMUX_GPIO14__FUNC_GPIO14>,
+ <PINMUX_GPIO15__FUNC_GPIO15>,
+ <PINMUX_GPIO16__FUNC_GPIO16>,
+ <PINMUX_GPIO17__FUNC_GPIO17>,
+ <PINMUX_GPIO18__FUNC_GPIO18>,
+ <PINMUX_GPIO19__FUNC_GPIO19>,
+ <PINMUX_GPIO20__FUNC_GPIO20>,
+ <PINMUX_GPIO21__FUNC_GPIO21>,
+ <PINMUX_GPIO22__FUNC_GPIO22>,
+ <PINMUX_GPIO23__FUNC_GPIO23>,
+ <PINMUX_GPIO24__FUNC_GPIO24>,
+ <PINMUX_GPIO25__FUNC_GPIO25>,
+ <PINMUX_GPIO26__FUNC_GPIO26>,
+ <PINMUX_GPIO27__FUNC_GPIO27>,
+ <PINMUX_GPIO28__FUNC_GPIO28>;
+ };
+ };
};

&pmic {
@@ -415,3 +523,16 @@ &scp {
&dsi0 {
status = "disabled";
};
+
+&dpi0 {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&dpi_func_pins>;
+ pinctrl-1 = <&dpi_idle_pins>;
+ status = "okay";
+
+ port {
+ dpi_out: endpoint {
+ remote-endpoint = <&it66121_in>;
+ };
+ };
+};
--
2.46.0.184.g6999bdac58-goog