Add MIPI DSI and the associated PHY node to support DSI panels.
Individual board device tree should enable the nodes as needed.

Signed-off-by: Fei Shao <fshao@chromium.org>
---

 arch/arm64/boot/dts/mediatek/mt8188.dtsi | 26 ++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8188.dtsi b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
index 9431f3c5c228..ff639418bebe 100644
--- a/arch/arm64/boot/dts/mediatek/mt8188.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8188.dtsi
@@ -1837,6 +1837,16 @@ pcieport: pcie-phy@0 {
 			};
 		};
 
+		mipi_tx_phy: dsi-phy@11c80000 {
+			compatible = "mediatek,mt8188-mipi-tx", "mediatek,mt8183-mipi-tx";
+			reg = <0 0x11c80000 0 0x1000>;
+			clocks = <&clk26m>;
+			clock-output-names = "mipi_tx0_pll";
+			#clock-cells = <0>;
+			#phy-cells = <0>;
+			status = "disabled";
+		};
+
 		i2c1: i2c@11e00000 {
 			compatible = "mediatek,mt8188-i2c";
 			reg = <0 0x11e00000 0 0x1000>,
@@ -2222,10 +2232,26 @@ larb19: smi@1a010000 {
 			mediatek,smi = <&vdo_smi_common>;
 		};
 
+		disp_dsi: dsi@1c008000 {
+			compatible = "mediatek,mt8188-dsi";
+			reg = <0 0x1c008000 0 0x1000>;
+			clocks = <&vdosys0 CLK_VDO0_DSI0>,
+				 <&vdosys0 CLK_VDO0_DSI0_DSI>,
+				 <&mipi_tx_phy>;
+			clock-names = "engine", "digital", "hs";
+			interrupts = <GIC_SPI 644 IRQ_TYPE_LEVEL_HIGH 0>;
+			phys = <&mipi_tx_phy>;
+			phy-names = "dphy";
+			power-domains = <&spm MT8188_POWER_DOMAIN_VDOSYS0>;
+			resets = <&vdosys0 MT8188_VDO0_RST_DSI0>;
+			status = "disabled";
+		};
+
 		vdosys0: syscon@1c01d000 {
 			compatible = "mediatek,mt8188-vdosys0", "syscon";
 			reg = <0 0x1c01d000 0 0x1000>;
 			#clock-cells = <1>;
+			#reset-cells = <1>;
 			mboxes = <&gce0 0 CMDQ_THR_PRIO_4>;
 			mediatek,gce-client-reg = <&gce0 SUBSYS_1c01XXXX 0xd000 0x1000>;
 		};
-- 
2.46.1.824.gd892dcdcdd-goog