From 396ca2fc736b0b3c6f738408e9a3e82d86b62d49 Mon Sep 17 00:00:00 2001 From: Aradhya Bhatia Date: Thu, 1 Feb 2024 18:24:51 +0530 Subject: [PATCH] arm64: dts: ti: k3-am62a7-sk: Add HDMI support The DSS outputs DPI signals via its second video port (VP2). The DPI output from DSS is 24 bits (RGB888) and is forwarded to an HDMI transmitter (SIL9022) on the board. Add pinmux info for DSS DPI output. Add DT nodes for SIL9022 HDMI transmitter (TX), and the HDMI connector on the AM62A7-SK platforms. Additionally, connect the output of DSS (VP2) with input of the HDMI TX, and the output of HDMI TX to the input of the HDMI connector. Signed-off-by: Aradhya Bhatia Link: https://lore.kernel.org/r/20240201125452.1920623-3-a-bhatia1@ti.com Signed-off-by: Vignesh Raghavendra --- arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 92 +++++++++++++++++++++++++ 1 file changed, 92 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index 7b71425862958..c9eb2a9aef39f 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts @@ -132,6 +132,18 @@ clock-frequency = <12288000>; }; + hdmi0: connector-hdmi { + compatible = "hdmi-connector"; + label = "hdmi"; + type = "a"; + + port { + hdmi_connector_in: endpoint { + remote-endpoint = <&sii9022_out>; + }; + }; + }; + codec_audio: sound { compatible = "simple-audio-card"; simple-audio-card,name = "AM62Ax-SKEVM"; @@ -181,6 +193,39 @@ }; &main_pmx0 { + main_dss0_pins_default: main-dss0-default-pins { + pinctrl-single,pins = < + AM62AX_IOPAD(0x100, PIN_OUTPUT, 0) /* (V17) VOUT0_VSYNC */ + AM62AX_IOPAD(0x0f8, PIN_OUTPUT, 0) /* (T18) VOUT0_HSYNC */ + AM62AX_IOPAD(0x104, PIN_OUTPUT, 0) /* (AA22) VOUT0_PCLK */ + AM62AX_IOPAD(0x0fc, PIN_OUTPUT, 0) /* (U17) VOUT0_DE */ + AM62AX_IOPAD(0x0b8, PIN_OUTPUT, 0) /* (U22) VOUT0_DATA0 */ + AM62AX_IOPAD(0x0bc, PIN_OUTPUT, 0) /* (U21) VOUT0_DATA1 */ + AM62AX_IOPAD(0x0c0, PIN_OUTPUT, 0) /* (U20) VOUT0_DATA2 */ + AM62AX_IOPAD(0x0c4, PIN_OUTPUT, 0) /* (U19) VOUT0_DATA3 */ + AM62AX_IOPAD(0x0c8, PIN_OUTPUT, 0) /* (T19) VOUT0_DATA4 */ + AM62AX_IOPAD(0x0cc, PIN_OUTPUT, 0) /* (U18) VOUT0_DATA5 */ + AM62AX_IOPAD(0x0d0, PIN_OUTPUT, 0) /* (V22) VOUT0_DATA6 */ + AM62AX_IOPAD(0x0d4, PIN_OUTPUT, 0) /* (V21) VOUT0_DATA7 */ + AM62AX_IOPAD(0x0d8, PIN_OUTPUT, 0) /* (V19) VOUT0_DATA8 */ + AM62AX_IOPAD(0x0dc, PIN_OUTPUT, 0) /* (V18) VOUT0_DATA9 */ + AM62AX_IOPAD(0x0e0, PIN_OUTPUT, 0) /* (W22) VOUT0_DATA10 */ + AM62AX_IOPAD(0x0e4, PIN_OUTPUT, 0) /* (W21) VOUT0_DATA11 */ + AM62AX_IOPAD(0x0e8, PIN_OUTPUT, 0) /* (W20) VOUT0_DATA12 */ + AM62AX_IOPAD(0x0ec, PIN_OUTPUT, 0) /* (W19) VOUT0_DATA13 */ + AM62AX_IOPAD(0x0f0, PIN_OUTPUT, 0) /* (Y21) VOUT0_DATA14 */ + AM62AX_IOPAD(0x0f4, PIN_OUTPUT, 0) /* (Y22) VOUT0_DATA15 */ + AM62AX_IOPAD(0x05c, PIN_OUTPUT, 1) /* (P22) GPMC0_AD8.VOUT0_DATA16 */ + AM62AX_IOPAD(0x060, PIN_OUTPUT, 1) /* (R19) GPMC0_AD9.VOUT0_DATA17 */ + AM62AX_IOPAD(0x064, PIN_OUTPUT, 1) /* (R20) GPMC0_AD10.VOUT0_DATA18 */ + AM62AX_IOPAD(0x068, PIN_OUTPUT, 1) /* (R22) GPMC0_AD11.VOUT0_DATA19 */ + AM62AX_IOPAD(0x06c, PIN_OUTPUT, 1) /* (T22) GPMC0_AD12.VOUT0_DATA20 */ + AM62AX_IOPAD(0x070, PIN_OUTPUT, 1) /* (R21) GPMC0_AD13.VOUT0_DATA21 */ + AM62AX_IOPAD(0x074, PIN_OUTPUT, 1) /* (T20) GPMC0_AD14.VOUT0_DATA22 */ + AM62AX_IOPAD(0x078, PIN_OUTPUT, 1) /* (T21) GPMC0_AD15.VOUT0_DATA23 */ + >; + }; + main_uart0_pins_default: main-uart0-default-pins { pinctrl-single,pins = < AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (E14) UART0_RXD */ @@ -466,6 +511,36 @@ "CSI_EN", "AUTO_100M_1000M_CONFIG", "CSI_VLDO_SEL", "SoC_WLAN_SDIO_RST"; }; + + sii9022: bridge-hdmi@3b { + compatible = "sil,sii9022"; + reg = <0x3b>; + interrupt-parent = <&exp1>; + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; + #sound-dai-cells = <0>; + sil,i2s-data-lanes = < 0 >; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + sii9022_in: endpoint { + remote-endpoint = <&dpi1_out>; + }; + }; + + port@1 { + reg = <1>; + + sii9022_out: endpoint { + remote-endpoint = <&hdmi_connector_in>; + }; + }; + }; + }; }; &main_i2c2 { @@ -583,3 +658,20 @@ tx-num-evt = <32>; rx-num-evt = <32>; }; + +&dss { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&main_dss0_pins_default>; +}; + +&dss_ports { + /* VP2: DPI Output */ + port@1 { + reg = <1>; + + dpi1_out: endpoint { + remote-endpoint = <&sii9022_in>; + }; + }; +}; -- 2.30.2