[PATCH V7 5/6] arm64: dts: imx8mp: add HDMI display pipeline

From: Adam Ford <aford173@gmail.com>
To: linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org
Cc: aford@beaconembedded.com, Lucas Stach <l.stach@pengutronix.de>,
	Adam Ford <aford173@gmail.com>, Marek Vasut <marex@denx.de>,
	Luca Ceresoli <luca.ceresoli@bootlin.com>,
	Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	devicetree@vger.kernel.org, imx@lists.linux.dev,
	linux-kernel@vger.kernel.org
Subject: [PATCH V7 5/6] arm64: dts: imx8mp: add HDMI display pipeline
Date: Tue, 27 Feb 2024 16:04:39 -0600	[thread overview]
Message-ID: <20240227220444.77566-6-aford173@gmail.com> (raw)
In-Reply-To: <20240227220444.77566-1-aford173@gmail.com>

From: Lucas Stach <l.stach@pengutronix.de>

This adds the DT nodes for all the peripherals that make up the
HDMI display pipeline.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Adam Ford <aford173@gmail.com>
Tested-by: Marek Vasut <marex@denx.de>
Tested-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
---
V7:  Make PVI node disabled by default to avoid EPROBE_DEFER

V6:  Make LCDIF3 disabled by default

V5:  No change

V3:  Re-ordered the HDMI parts to properly come after irqstree_hdmi
     inside AIPS4.  Change size of LCDIF3 and PVI to match TRM sizes
     of 4KB.

V2:  I took this from Lucas' original submission with the following:
     Removed extra clock from HDMI-TX since it is now part of the
     power domain
     Added interrupt-parent to PVI
     Changed the name of the HDMI tranmitter to fsl,imx8mp-hdmi-tx
     Added ports to HDMI-tx
---
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 96 +++++++++++++++++++++++
 1 file changed, 96 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 18bfa7d9aa7f..e3510fef6030 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1940,6 +1940,102 @@ irqsteer_hdmi: interrupt-controller@32fc2000 {
 				clock-names = "ipg";
 				power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_IRQSTEER>;
 			};
+
+			hdmi_pvi: display-bridge@32fc4000 {
+				compatible = "fsl,imx8mp-hdmi-pvi";
+				reg = <0x32fc4000 0x1000>;
+				interrupt-parent = <&irqsteer_hdmi>;
+				interrupts = <12>;
+				power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_PVI>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+						pvi_from_lcdif3: endpoint {
+							remote-endpoint = <&lcdif3_to_pvi>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+						pvi_to_hdmi_tx: endpoint {
+							remote-endpoint = <&hdmi_tx_from_pvi>;
+						};
+					};
+				};
+			};
+
+			lcdif3: display-controller@32fc6000 {
+				compatible = "fsl,imx8mp-lcdif";
+				reg = <0x32fc6000 0x1000>;
+				interrupt-parent = <&irqsteer_hdmi>;
+				interrupts = <8>;
+				clocks = <&hdmi_tx_phy>,
+					 <&clk IMX8MP_CLK_HDMI_APB>,
+					 <&clk IMX8MP_CLK_HDMI_ROOT>;
+				clock-names = "pix", "axi", "disp_axi";
+				power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_LCDIF>;
+				status = "disabled";
+
+				port {
+					lcdif3_to_pvi: endpoint {
+						remote-endpoint = <&pvi_from_lcdif3>;
+					};
+				};
+			};
+
+			hdmi_tx: hdmi@32fd8000 {
+				compatible = "fsl,imx8mp-hdmi-tx";
+				reg = <0x32fd8000 0x7eff>;
+				interrupt-parent = <&irqsteer_hdmi>;
+				interrupts = <0>;
+				clocks = <&clk IMX8MP_CLK_HDMI_APB>,
+					 <&clk IMX8MP_CLK_HDMI_REF_266M>,
+					 <&clk IMX8MP_CLK_32K>,
+					 <&hdmi_tx_phy>;
+				clock-names = "iahb", "isfr", "cec", "pix";
+				assigned-clocks = <&clk IMX8MP_CLK_HDMI_REF_266M>;
+				assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_266M>;
+				power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_HDMI_TX>;
+				reg-io-width = <1>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						hdmi_tx_from_pvi: endpoint {
+							remote-endpoint = <&pvi_to_hdmi_tx>;
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+						/* Point endpoint to the HDMI connector */
+					};
+				};
+			};
+
+			hdmi_tx_phy: phy@32fdff00 {
+				compatible = "fsl,imx8mp-hdmi-phy";
+				reg = <0x32fdff00 0x100>;
+				clocks = <&clk IMX8MP_CLK_HDMI_APB>,
+					 <&clk IMX8MP_CLK_HDMI_24M>;
+				clock-names = "apb", "ref";
+				assigned-clocks = <&clk IMX8MP_CLK_HDMI_24M>;
+				assigned-clock-parents = <&clk IMX8MP_CLK_24M>;
+				power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_HDMI_TX_PHY>;
+				#clock-cells = <0>;
+				#phy-cells = <0>;
+				status = "disabled";
+			};
 		};
 
 		pcie: pcie@33800000 {
-- 
2.43.0

