2023-10-13 01:41:36

by Adam Ford

Subject: [PATCH] arm64: dts: imx8mp-beacon-kit: Enable DSI to HDMI Bridge

The baseboard of the Beacon i.MX8M Plus development kit has
an ADV7535 DSI to HDMI bridge capable of stereo sound.

Signed-off-by: Adam Ford <[email protected]>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
index 0bea0798d2db..feae77e03835 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
@@ -94,6 +94,17 @@ button-3 {
};
};

+ bridge-connector {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_con: endpoint {
+ remote-endpoint = <&adv7535_out>;
+ };
+ };
+ };
+
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
@@ -153,6 +164,21 @@ reg_usb1_host_vbus: regulator-usb1-vbus {
enable-active-high;
};

+ sound-adv7535 {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "sound-adv7535";
+ simple-audio-card,format = "i2s";
+
+ simple-audio-card,cpu {
+ sound-dai = <&sai5>;
+ system-clock-direction-out;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&adv_bridge>;
+ };
+ };
+
sound-dmic {
compatible = "simple-audio-card";
simple-audio-card,name = "sound-pdm";
@@ -274,6 +300,35 @@ pca6416_3: gpio@20 {
#interrupt-cells = <2>;
};

+ adv_bridge: hdmi@3d {
+ compatible = "adi,adv7535";
+ reg = <0x3d>, <0x3c>, <0x3e>, <0x3f>;
+ reg-names = "main", "cec", "edid", "packet";
+ adi,dsi-lanes = <4>;
+ #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_con>;
+ };
+ };
+ };
+ };
+
pcieclk: clock-generator@68 {
compatible = "renesas,9fgv0241";
reg = <0x68>;
@@ -398,6 +453,10 @@ hd3ss3220_out_ep: endpoint {
};
};

+&lcdif1 {
+ status = "okay";
+};
+
&micfil {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pdm>;
@@ -407,6 +466,21 @@ &micfil {
status = "okay";
};

+&mipi_dsi {
+ samsung,esc-clock-frequency = <10000000>;
+ status = "okay";
+
+ ports {
+ port@1 {
+ reg = <1>;
+
+ dsi_out: endpoint {
+ remote-endpoint = <&adv7535_in>;
+ };
+ };
+ };
+};
+
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pcie>;
@@ -433,6 +507,16 @@ &sai3 {
status = "okay";
};

+&sai5 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai5>;
+ assigned-clocks = <&clk IMX8MP_CLK_SAI5>;
+ assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL1_OUT>;
+ assigned-clock-rates = <12288000>;
+ fsl,sai-mclk-direction-output;
+ status = "okay";
+};
+
&snvs_pwrkey {
status = "okay";
};
@@ -612,6 +696,14 @@ MX8MP_IOMUXC_SAI3_MCLK__AUDIOMIX_SAI3_MCLK 0xd6
>;
};

+ pinctrl_sai5: sai5grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_SAI5_TX_DATA00 0xd6
+ MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_SAI5_TX_BCLK 0xd6
+ MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_SAI5_TX_SYNC 0xd6
+ >;
+ };
+
pinctrl_tpm: tpmgrp {
fsl,pins = <
MX8MP_IOMUXC_SAI1_RXFS__GPIO4_IO00 0x19 /* Reset */
--
2.40.1

2023-11-27 01:54:00

by Shawn Guo

Subject: Re: [PATCH] arm64: dts: imx8mp-beacon-kit: Enable DSI to HDMI Bridge

On Thu, Oct 12, 2023 at 08:41:17PM -0500, Adam Ford wrote:
> The baseboard of the Beacon i.MX8M Plus development kit has
> an ADV7535 DSI to HDMI bridge capable of stereo sound.
>
> Signed-off-by: Adam Ford <[email protected]>

Applied, thanks!