diff options
author | Francesco Dolcini <francesco.dolcini@toradex.com> | 2023-04-19 19:31:47 +0200 |
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committer | Francesco Dolcini <francesco.dolcini@toradex.com> | 2023-05-02 09:19:44 +0200 |
commit | 5bbfe45b8f774650ba5c980b45022cb901acac01 (patch) | |
tree | 62a3fee779952176eac2dd85e55a51426adb938a /overlays/verdin-am62_dsi-to-hdmi_overlay.dts | |
parent | 8ced014de66e250ca337b4e5b4d29ba4d5173497 (diff) |
verdin-am62: add DSI to HDMI overlay
Add Verdin DSI to HDMI adapter overlay.
Related-to: ELB-5026
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Diffstat (limited to 'overlays/verdin-am62_dsi-to-hdmi_overlay.dts')
-rw-r--r-- | overlays/verdin-am62_dsi-to-hdmi_overlay.dts | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/overlays/verdin-am62_dsi-to-hdmi_overlay.dts b/overlays/verdin-am62_dsi-to-hdmi_overlay.dts new file mode 100644 index 0000000..365b26c --- /dev/null +++ b/overlays/verdin-am62_dsi-to-hdmi_overlay.dts @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright 2023 Toradex + */ + +// Verdin DSI to HDMI Adapter orderable at Toradex. + +/dts-v1/; +/plugin/; + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/irq.h> + +/ { + compatible = "toradex,verdin-am62"; +}; + +&{/} { + hdmi_connector: hdmi-connector { + compatible = "hdmi-connector"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm3_dsi_gpio>; + ddc-i2c-bus = <&main_i2c2>; + /* Verdin PWM_3_DSI (SODIMM 19) */ + hpd-gpios = <&main_gpio1 17 GPIO_ACTIVE_HIGH>; + label = "hdmi"; + type = "a"; + + port { + hdmi_connector_in: endpoint { + remote-endpoint = <<8912_1_out>; + }; + }; + }; + +}; + +&dsi_bridge { + status = "okay"; +}; + +&dsi_bridge_ports { + #address-cells = <1>; + #size-cells = <0>; + + port@1 { + reg = <1>; + + mipi_dsi_bridge1_out: endpoint { + remote-endpoint = <<8912_1_in>; + }; + }; +}; + +&dss { + status = "okay"; +}; + +/* Verdin I2C_1 */ +&main_i2c1 { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + hdmi_lontium_lt8912: hdmi@48 { + compatible = "lontium,lt8912b"; + reg = <0x48>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_dsi1_bkl_en>; + /* Verdin GPIO_9_DSI (LT8912 INT, SODIMM 17, unused) */ + /* Verdin GPIO_10_DSI (SODIMM 21) */ + reset-gpios = <&main_gpio0 30 GPIO_ACTIVE_LOW>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + lt8912_1_in: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&mipi_dsi_bridge1_out>; + }; + }; + + port@1 { + reg = <1>; + + lt8912_1_out: endpoint { + remote-endpoint = <&hdmi_connector_in>; + }; + }; + }; + }; +}; + +/* Verdin I2C_2_DSI */ +&main_i2c2 { + status = "okay"; +}; + +/* Verdin PWM_3_DSI */ +&epwm1 { + /* Verdin PWM_3_DSI (SODIMM 19) is used as HDMI HPD / GPIO, disable to avoid conflicts */ + status = "disabled"; +}; |