From a180b4f7e5dd99fd566110e92dc6642ff369fa9e Mon Sep 17 00:00:00 2001 From: Max Krummenacher Date: Wed, 25 Nov 2020 14:59:43 +0100 Subject: arm64: dts: imx8mp-verdin: prepare for dsi to hdmi adapter Prepare the nodes for the DSI to HDMI Adapter overlay. Signed-off-by: Max Krummenacher --- arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi index 8982867a2633..ceb288720939 100755 --- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi @@ -451,6 +451,14 @@ }; }; +/* Verdin I2C_2_DSI */ +&i2c2 { + clock-frequency = <10000>; + pinctrl-names = "default", "gpio"; + pinctrl-0 = <&pinctrl_i2c2>; + pinctrl-1 = <&pinctrl_i2c2_gpio>; +}; + /* Verdin I2C_4_CSI */ &i2c3 { clock-frequency = <400000>; @@ -502,6 +510,20 @@ status = "disabled"; }; + hdmi_lontium_lt8912: hdmi@48 { + compatible = "lontium,lt8912"; + ddc-i2c-bus = <&i2c2>; + /* Verdin MEZ_DSI_1_INT HPD (SODIMM 17) shared with MEZ_GPIO_1 (SODIMM 206) */ + hpd-gpios = <&gpio4 25 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mez_dsi_1_int_hpd>, <&pinctrl_mez_gpio1>, + <&pinctrl_mez_gpio2>; + reg = <0x48>; + /* Verdin MEZ_GPIO_2 (SODIMM 208) */ + reset-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; + status = "disabled"; + }; + /* EEPROM on display adapter (MIPI DSI Display Adapter) */ eeprom_display_adapter: eeprom@50 { compatible = "st,24c02"; -- cgit v1.2.3