The Beacon Embedded imx8mm development kit has a DSI to HDMI bridge chip. The bridge supports stereo audio and hot-plugging. Signed-off-by: Adam Ford <aford173@xxxxxxxxx> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mm-beacon-kit.dts index 74a7b0cc10c2..66d68ce98ca4 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-kit.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-kit.dts @@ -16,4 +16,135 @@ / { chosen { stdout-path = &uart2; }; + + connector { + compatible = "hdmi-connector"; + type = "a"; + + port { + hdmi_connector_in: endpoint { + remote-endpoint = <&adv7535_out>; + }; + }; + }; + + reg_hdmi: regulator-hdmi-dvdd { + compatible = "regulator-fixed"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_reg_hdmi>; + regulator-name = "hdmi_pwr_en"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>; + enable-active-high; + startup-delay-us = <70000>; + regulator-always-on; + }; + + sound-hdmi { + compatible = "simple-audio-card"; + simple-audio-card,name = "sound-hdmi"; + simple-audio-card,format = "i2s"; + + simple-audio-card,cpu { + sound-dai = <&sai5 0>; + system-clock-direction-out; + }; + + simple-audio-card,codec { + sound-dai = <&adv_bridge>; + }; + }; +}; + +&i2c2 { + adv_bridge: hdmi@3d { + compatible = "adi,adv7535"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_hdmi_bridge>; + reg = <0x3d>, <0x3c>, <0x3e>, <0x3f>; + reg-names = "main", "cec", "edid", "packet"; + adi,dsi-lanes = <4>; + avdd-supply = <®_hdmi>; + a2vdd-supply = <®_hdmi>; + dvdd-supply = <®_hdmi>; + pvdd-supply = <®_hdmi>; + v1p2-supply = <®_hdmi>; + v3p3-supply = <®_hdmi>; + interrupt-parent = <&gpio1>; + interrupts = <9 IRQ_TYPE_LEVEL_LOW>; + #sound-dai-cells = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + adv7535_in: endpoint { + remote-endpoint = <&dsi_out>; + }; + }; + + port@1 { + reg = <1>; + + adv7535_out: endpoint { + remote-endpoint = <&hdmi_connector_in>; + }; + }; + }; + }; +}; + +&lcdif { + status = "okay"; +}; + +&mipi_dsi { + samsung,esc-clock-frequency = <20000000>; + status = "okay"; + + ports { + port@1 { + reg = <1>; + + dsi_out: endpoint { + remote-endpoint = <&adv7535_in>; + }; + }; + }; +}; + +&sai5 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sai5>; + assigned-clocks = <&clk IMX8MM_CLK_SAI5>; + assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>; + assigned-clock-rates = <24576000>; + #sound-dai-cells = <0>; + status = "okay"; +}; + +&iomuxc { + pinctrl_hdmi_bridge: hdmibridgegrp { + fsl,pins = < + MX8MM_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x19 + >; + }; + + pinctrl_reg_hdmi: reghdmigrp { + fsl,pins = < + MX8MM_IOMUXC_SD1_STROBE_GPIO2_IO11 0x16 + >; + }; + + pinctrl_sai5: sai5grp { + fsl,pins = < + MX8MM_IOMUXC_SAI5_RXD3_SAI5_TX_DATA0 0xd6 + MX8MM_IOMUXC_SAI5_RXD2_SAI5_TX_BCLK 0xd6 + MX8MM_IOMUXC_SAI5_RXD1_SAI5_TX_SYNC 0xd6 + >; + }; }; -- 2.39.2