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Thu, 28 May 2026 08:35:31 -0500 From: Swamil Jain To: , , , , , , CC: , , , , , , Subject: [PATCH v2] arm64: dts: ti: k3-am62l: Add HDMI & DSI support Date: Thu, 28 May 2026 19:05:29 +0530 Message-ID: <20260528133529.3476499-1-s-jain1@ti.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS2PEPF000061C3:EE_|MW5PR10MB5875:EE_ X-MS-Office365-Filtering-Correlation-Id: a67da298-d654-446a-05e9-08debcbe1721 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|376014|36860700016|3023799007|56012099006|6133799003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:198.47.21.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:flwvzet201.ext.ti.com;PTR:ErrorRetry;CAT:NONE;SFS:(13230040)(1800799024)(82310400026)(376014)(36860700016)(3023799007)(56012099006)(6133799003)(18002099003);DIR:OUT;SFP:1101; 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The DSS uses parallel DPI interface with pinctrl configuration to drive an external SiI9022 HDMI bridge. DSI and DPHY nodes are added but remain disabled, as the AM62L shares a single video port for DPI and DSI output. DSI functionality can be enabled via overlays when required. [1]: https://www.ti.com/product/AM62L Signed-off-by: Devarsh Thakkar Signed-off-by: Swamil Jain --- Changelog: v1->v2: - Update the commit message to elaborate more about the patch. - Add dpi-pinctrl configuration. - Update the interrupt routing index for HDMI interrupt line Link to v1: https://lore.kernel.org/all/20260513210942.692269-1-s-jain1@ti.com/ --- arch/arm64/boot/dts/ti/k3-am62l-main.dtsi | 47 +++++++++++ arch/arm64/boot/dts/ti/k3-am62l3-evm.dts | 95 +++++++++++++++++++++++ 2 files changed, 142 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62l-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62l-main.dtsi index 80615ca1e01a..1d255c9138db 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62l-main.dtsi @@ -584,4 +584,51 @@ scmi_shmem: sram@0 { bootph-all; }; }; + + dss: dss@30200000 { + compatible = "ti,am62l-dss"; + reg = <0x00 0x30200000 0x00 0x1000>, /* common */ + <0x00 0x30202000 0x00 0x1000>, /* vidl1 */ + <0x00 0x30207000 0x00 0x1000>, /* ovr1 */ + <0x00 0x3020a000 0x00 0x1000>, /* vp1 */ + <0x00 0x30201000 0x00 0x1000>; /* common1 */ + reg-names = "common", "vidl1", "ovr1", "vp1", "common1"; + power-domains = <&scmi_pds 39>; + clocks = <&scmi_clk 162>, + <&scmi_clk 161>; + clock-names = "fck", "vp1"; + interrupts = ; + status = "disabled"; + + dss_ports: ports { + #address-cells = <1>; + #size-cells = <0>; + }; + }; + + dphy_tx0: phy@301c0000 { + compatible = "ti,j721e-dphy"; + reg = <0x0 0x301c0000 0x0 0x1000>; + clocks = <&scmi_clk 348>, <&scmi_clk 343>; + clock-names = "psm", "pll_ref"; + #phy-cells = <0>; + power-domains = <&scmi_pds 86>; + assigned-clocks = <&scmi_clk 343>; + assigned-clock-parents = <&scmi_clk 341>; + assigned-clock-rates = <25000000>; + status = "disabled"; + }; + + dsi0: dsi@30500000 { + compatible = "ti,j721e-dsi"; + reg = <0x0 0x30500000 0x0 0x100000>, <0x0 0x30270000 0x0 0x100>; + clocks = <&scmi_clk 155>, <&scmi_clk 158>; + clock-names = "dsi_p_clk", "dsi_sys_clk"; + power-domains = <&scmi_pds 38>; + interrupt-parent = <&gic500>; + interrupts = ; + phys = <&dphy_tx0>; + phy-names = "dphy"; + status = "disabled"; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts index a1af4571a815..9b04fa6d2cba 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts @@ -119,6 +119,18 @@ vcc_1v8: regulator-3 { regulator-always-on; regulator-boot-on; }; + + hdmi0: connector-hdmi { + compatible = "hdmi-connector"; + label = "hdmi"; + type = "a"; + + port { + hdmi_connector_in: endpoint { + remote-endpoint = <&sii9022_out>; + }; + }; + }; }; &gpio0 { @@ -192,6 +204,38 @@ exp2: gpio@23 { bootph-all; }; + sii9022: bridge-hdmi@3b { + compatible = "sil,sii9022"; + reg = <0x3b>; + interrupt-parent = <&exp1>; + interrupts = <20 IRQ_TYPE_EDGE_FALLING>; + #sound-dai-cells = <0>; + sil,i2s-data-lanes = < 0 >; + pinctrl-names = "default"; + pinctrl-0 = <&dpi_pins_default>; + bootph-all; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + sii9022_in: endpoint { + remote-endpoint = <&dpi_out>; + }; + }; + + port@1 { + reg = <1>; + + sii9022_out: endpoint { + remote-endpoint = <&hdmi_connector_in>; + }; + }; + }; + }; }; &i2c2 { @@ -221,6 +265,41 @@ usb_con_hs: endpoint { }; &pmx0 { + dpi_pins_default: dpi-default-pins { + pinctrl-single,pins = < + AM62LX_IOPAD(0x00e4, PIN_OUTPUT, 1) /* (L20) GPMC0_CSn0.VOUT0_VSYNC */ + AM62LX_IOPAD(0x00dc, PIN_OUTPUT, 1) /* (N21) GPMC0_WPn.VOUT0_HSYNC */ + AM62LX_IOPAD(0x00e8, PIN_OUTPUT, 1) /* (L19) GPMC0_CSn1.VOUT0_PCLK */ + AM62LX_IOPAD(0x00e0, PIN_OUTPUT, 1) /* (M21) GPMC0_DIR.VOUT0_DE */ + AM62LX_IOPAD(0x0078, PIN_OUTPUT, 1) /* (L22) GPMC0_AD0.VOUT0_DATA0 */ + AM62LX_IOPAD(0x007c, PIN_OUTPUT, 1) /* (L23) GPMC0_AD1.VOUT0_DATA1 */ + AM62LX_IOPAD(0x0080, PIN_OUTPUT, 1) /* (K22) GPMC0_AD2.VOUT0_DATA2 */ + AM62LX_IOPAD(0x0084, PIN_OUTPUT, 1) /* (J23) GPMC0_AD3.VOUT0_DATA3 */ + AM62LX_IOPAD(0x0088, PIN_OUTPUT, 1) /* (K23) GPMC0_AD4.VOUT0_DATA4 */ + AM62LX_IOPAD(0x008c, PIN_OUTPUT, 1) /* (H22) GPMC0_AD5.VOUT0_DATA5 */ + AM62LX_IOPAD(0x0090, PIN_OUTPUT, 1) /* (H23) GPMC0_AD6.VOUT0_DATA6 */ + AM62LX_IOPAD(0x0094, PIN_OUTPUT, 1) /* (J22) GPMC0_AD7.VOUT0_DATA7 */ + AM62LX_IOPAD(0x0098, PIN_OUTPUT, 1) /* (H19) GPMC0_AD8.VOUT0_DATA8 */ + AM62LX_IOPAD(0x009c, PIN_OUTPUT, 1) /* (H20) GPMC0_AD9.VOUT0_DATA9 */ + AM62LX_IOPAD(0x00a0, PIN_OUTPUT, 1) /* (H21) GPMC0_AD10.VOUT0_DATA10 */ + AM62LX_IOPAD(0x00a4, PIN_OUTPUT, 1) /* (H18) GPMC0_AD11.VOUT0_DATA11 */ + AM62LX_IOPAD(0x00a8, PIN_OUTPUT, 1) /* (G23) GPMC0_AD12.VOUT0_DATA12 */ + AM62LX_IOPAD(0x00ac, PIN_OUTPUT, 1) /* (G22) GPMC0_AD13.VOUT0_DATA13 */ + AM62LX_IOPAD(0x00b0, PIN_OUTPUT, 1) /* (F22) GPMC0_AD14.VOUT0_DATA14 */ + AM62LX_IOPAD(0x00b4, PIN_OUTPUT, 1) /* (F23) GPMC0_AD15.VOUT0_DATA15 */ + AM62LX_IOPAD(0x00b8, PIN_OUTPUT, 1) /* (L21) GPMC0_CLK.VOUT0_DATA16 */ + AM62LX_IOPAD(0x00c0, PIN_OUTPUT, 1) /* (N19) GPMC0_ADVn_ALE.VOUT0_DATA17 */ + AM62LX_IOPAD(0x00c4, PIN_OUTPUT, 1) /* (N20) GPMC0_OEn_REn.VOUT0_DATA18 */ + AM62LX_IOPAD(0x00c8, PIN_OUTPUT, 1) /* (M19) GPMC0_WEn.VOUT0_DATA19 */ + AM62LX_IOPAD(0x00cc, PIN_OUTPUT, 1) /* (P23) GPMC0_BE0n_CLE.VOUT0_DATA20 */ + AM62LX_IOPAD(0x00d0, PIN_OUTPUT, 1) /* (P22) GPMC0_BE1n.VOUT0_DATA21 */ + AM62LX_IOPAD(0x00d4, PIN_OUTPUT, 1) /* (N23) GPMC0_WAIT0.VOUT0_DATA22 */ + AM62LX_IOPAD(0x00d8, PIN_OUTPUT, 1) /* (N22) GPMC0_WAIT1.VOUT0_DATA23 */ + AM62LX_IOPAD(0x00ec, PIN_OUTPUT, 5) /* (M23) GPMC0_CSn2.VOUT0_EXTPCLKIN */ + >; + bootph-all; + }; + gpio0_ioexp_intr_pins_default: gpio0-ioexp-intr-default-pins { pinctrl-single,pins = < AM62LX_IOPAD(0x01b0, PIN_INPUT, 7) /* (B12) SPI0_D1.GPIO0_91 */ @@ -375,6 +454,22 @@ &usb1 { pinctrl-0 = <&usb1_default_pins>; }; +&dss { + status = "okay"; + bootph-all; +}; + +&dss_ports { + /* VP1: DPI Output */ + port@0 { + reg = <0>; + + dpi_out: endpoint { + remote-endpoint = <&sii9022_in>; + }; + }; +}; + &wkup_uart0 { pinctrl-0 = <&wkup_uart0_pins_default>; pinctrl-names = "default";