linux-kernel - [PATCH 1/7] arm64: dts: ti: k3-j784s4-j742s2-main-common: add DSI & DSI PHY

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Message-ID: <20250411105155.303657-2-j-choudhary@ti.com>
Date: Fri, 11 Apr 2025 16:21:49 +0530
From: Jayesh Choudhary <j-choudhary@...com>
To: <nm@...com>, <vigneshr@...com>, <u-kumar1@...com>, <devarsht@...com>,
        <linux-kernel@...r.kernel.org>
CC: <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <kristo@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <j-choudhary@...com>
Subject: [PATCH 1/7] arm64: dts: ti: k3-j784s4-j742s2-main-common: add DSI & DSI PHY

Add DT nodes for DPI to DSI Bridge and DSI Phy.
The DSI bridge is Cadence DSI and the PHY is a
Cadence DPHY with TI wrapper.

Signed-off-by: Jayesh Choudhary <j-choudhary@...com>
---
 .../dts/ti/k3-j784s4-j742s2-main-common.dtsi  | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
index 1944616ab357..2f8df2e0332e 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-main-common.dtsi
@@ -2512,6 +2512,43 @@ watchdog18: watchdog@...0000 {
 		status = "reserved";
 	};
 
+	dphy_tx0: phy@...0000 {
+		compatible = "ti,j721e-dphy";
+		reg = <0x0 0x04480000 0x0 0x1000>;
+		clocks = <&k3_clks 402 20>, <&k3_clks 402 3>;
+		clock-names = "psm", "pll_ref";
+		#phy-cells = <0>;
+		power-domains = <&k3_pds 402 TI_SCI_PD_EXCLUSIVE>;
+		assigned-clocks = <&k3_clks 402 3>;
+		assigned-clock-parents = <&k3_clks 402 4>;
+		assigned-clock-rates = <19200000>;
+		status = "disabled";
+	};
+
+	dsi0: dsi@...0000 {
+		compatible = "ti,j721e-dsi";
+		reg = <0x0 0x04800000 0x0 0x100000>, <0x0 0x04710000 0x0 0x100>;
+		clocks = <&k3_clks 215 2>, <&k3_clks 215 5>;
+		clock-names = "dsi_p_clk", "dsi_sys_clk";
+		power-domains = <&k3_pds 215 TI_SCI_PD_EXCLUSIVE>;
+		interrupt-parent = <&gic500>;
+		interrupts = <GIC_SPI 600 IRQ_TYPE_LEVEL_HIGH>;
+		phys = <&dphy_tx0>;
+		phy-names = "dphy";
+		status = "disabled";
+
+		dsi0_ports: ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				reg = <0>;
+			};
+			port@1 {
+				reg = <1>;
+			};
+		};
+	};
+
 	mhdp: bridge@...0000 {
 		compatible = "ti,j721e-mhdp8546";
 		reg = <0x0 0xa000000 0x0 0x30a00>,
-- 
2.34.1