diff options
| author | Rahul T R <r-ravikumar@ti.com> | 2022-05-05 14:37:09 +0530 |
|---|---|---|
| committer | Vignesh Raghavendra <vigneshr@ti.com> | 2022-05-05 22:45:16 +0530 |
| commit | 7d4686fc3c2ad9bfd1eaf3c54515d6469e542578 (patch) | |
| tree | 5d6fca43ff260492d5acf698b9db74f350609bae /arch/arm64/boot/dts/ti | |
| parent | d4f3c8a169ab82b91ba1e10a495e900477a75cf5 (diff) | |
| download | linux-7d4686fc3c2ad9bfd1eaf3c54515d6469e542578.tar.bz2 | |
arm64: dts: ti: k3-j721e-sk: Enable HDMI
Add node for dvi bridge and the endpoint nodes to
describe connection from
DSS => TI TFP410 DPI-to-DVI Bridge => HDMI connector.
Also add the required pinmux for HDMI hotplug and
powerdown
Signed-off-by: Rahul T R <r-ravikumar@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Link: https://lore.kernel.org/r/20220505090709.9252-3-r-ravikumar@ti.com
Diffstat (limited to 'arch/arm64/boot/dts/ti')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 80 |
1 files changed, 79 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts index 07b1e40fbc47..80358cba6954 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts @@ -225,6 +225,59 @@ }; }; }; + + hdmi-connector { + compatible = "hdmi-connector"; + label = "hdmi"; + type = "a"; + + pinctrl-names = "default"; + pinctrl-0 = <&hdmi_hpd_pins_default>; + + ddc-i2c-bus = <&main_i2c1>; + + /* HDMI_HPD */ + hpd-gpios = <&main_gpio1 0 GPIO_ACTIVE_HIGH>; + + port { + hdmi_connector_in: endpoint { + remote-endpoint = <&tfp410_out>; + }; + }; + }; + + dvi-bridge { + compatible = "ti,tfp410"; + + pinctrl-names = "default"; + pinctrl-0 = <&hdmi_pdn_pins_default>; + + powerdown-gpios = <&main_gpio0 127 GPIO_ACTIVE_LOW>; + ti,deskew = <0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + tfp410_in: endpoint { + remote-endpoint = <&dpi1_out>; + pclk-sample = <1>; + }; + }; + + port@1 { + reg = <1>; + + tfp410_out: endpoint { + remote-endpoint = + <&hdmi_connector_in>; + }; + }; + }; + }; }; &main_pmx0 { @@ -329,6 +382,18 @@ >; }; + hdmi_hpd_pins_default: hdmi-hpd-pins-default { + pinctrl-single,pins = < + J721E_IOPAD(0x204, PIN_INPUT, 7) /* (AD5) UART1_RTSn.GPIO1_0 */ + >; + }; + + hdmi_pdn_pins_default: hdmi-pdn-pins-default { + pinctrl-single,pins = < + J721E_IOPAD(0x200, PIN_INPUT, 7) /* (AC4) UART1_CTSn.GPIO0_127 */ + >; + }; + /* Reset for M.2 E Key slot on PCIe0 */ ekey_reset_pins_default: ekey-reset-pns-pins-default { pinctrl-single,pins = < @@ -733,11 +798,24 @@ }; &dss_ports { - port { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dpi0_out: endpoint { remote-endpoint = <&dp0_in>; }; }; + + port@1 { + reg = <1>; + + dpi1_out: endpoint { + remote-endpoint = <&tfp410_in>; + }; + }; }; &dp0_ports { |