69 lines
2.6 KiB
Plaintext
69 lines
2.6 KiB
Plaintext
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* Qualcomm HDMI Tx
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Required properties:
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- cell-index: hdmi tx controller index
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- compatible: must be "qcom,hdmi-tx"
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- reg: offset and length of the register regions(s) for the device.
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- reg-names: a list of strings that map in order to the list of regs.
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- hpd-gdsc-supply: phandle to the mdss gdsc regulator device tree node.
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- hpd-5v-supply: phandle to the 5V regulator device tree node.
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- core-vdda-supply: phandle to the HDMI vdda regulator device tree node.
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- core-vcc-supply: phandle to the HDMI vcc regulator device tree node.
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- qcom,hdmi-tx-supply-names: a list of strings that map in order
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to the list of supplies.
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- qcom,hdmi-tx-min-voltage-level: specifies minimum voltage level
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of supply(ies) mentioned above.
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- qcom,hdmi-tx-max-voltage-level: specifies maximum voltage level
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of supply(ies) mentioned above.
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- qcom,hdmi-tx-peak-current: specifies the peak current that will be
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drawn from the supply(ies) mentioned above.
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- qcom,hdmi-tx-cec: gpio for Consumer Electronics Control (cec) line.
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- qcom,hdmi-tx-ddc-clk: gpio for Display Data Channel (ddc) clock line.
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- qcom,hdmi-tx-ddc-data: gpio for ddc data line.
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- qcom,hdmi-tx-hpd: gpio required for HDMI hot-plug detect.
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Optional properties:
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- qcom,hdmi-tx-mux-sel: gpio required to toggle HDMI output between
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docking station, type A, and liquid device, type D, ports. Required
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property for liquid devices.
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- qcom,hdmi-tx-mux-en: gpio required to enable mux for HDMI output
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on liquid devices. Required property for liquid devices.
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[Optional child nodes]: These nodes are for devices which are
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dependent on HDMI Tx controller. If HDMI Tx controller is disabled then
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these devices will be disabled as well. Ex. HDMI Audio Codec device.
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- qcom,msm-hdmi-audio-rx: Node for HDMI audio codec.
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Required properties:
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- compatible : "msm-hdmi-audio-codec-rx";
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Example:
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mdss_hdmi_tx: qcom,hdmi_tx@fd922100 {
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cell-index = <0>;
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compatible = "qcom,hdmi-tx";
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reg = <0xfd922100 0x35C>,
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<0xfd922500 0x7C>,
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<0xfc4b8000 0x60F0>;
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reg-names = "core_physical", "phy_physical", "qfprom_physical";
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hpd-gdsc-supply = <&gdsc_mdss>;
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hpd-5v-supply = <&pm8941_mvs2>;
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core-vdda-supply = <&pm8941_l12>;
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core-vcc-supply = <&pm8941_s3>;
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qcom,hdmi-tx-supply-names = "hpd-gdsc", "hpd-5v", "core-vdda", "core-vcc";
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qcom,hdmi-tx-min-voltage-level = <0 0 1800000 1800000>;
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qcom,hdmi-tx-max-voltage-level = <0 0 1800000 1800000>;
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qcom,hdmi-tx-peak-current = <0 0 1800000 0>;
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qcom,hdmi-tx-cec = <&msmgpio 31 0>;
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qcom,hdmi-tx-ddc-clk = <&msmgpio 32 0>;
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qcom,hdmi-tx-ddc-data = <&msmgpio 33 0>;
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qcom,hdmi-tx-hpd = <&msmgpio 34 0>;
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qcom,msm-hdmi-audio-rx {
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compatible = "qcom,msm-hdmi-audio-codec-rx";
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};
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};
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