117 lines
4.7 KiB
Plaintext
117 lines
4.7 KiB
Plaintext
* 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,supply-names: a list of strings that map in order
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to the list of supplies.
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- qcom,min-voltage-level: specifies minimum voltage (uV) level
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of supply(ies) mentioned above.
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- qcom,max-voltage-level: specifies maximum voltage (uV) level
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of supply(ies) mentioned above.
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- qcom,enable-load: specifies the current (uA) that will be
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drawn from the enabled supply(ies) mentioned above.
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- qcom,disable-load: specifies the current (uA) that will be
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drawn from the disabled 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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Optional properties:
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- hpd-5v-en-supply: phandle to the 5V boost enable regulator device tree node.
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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-ddc-mux-sel: gpio for ddc mux select.
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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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- qcom,hdmi-tx-mux-lpm: gpio required for hdmi mux configuration
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selection on liquid devices. Required property for liquid devices.
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- qcom,conditional-power-on: Enables HPD conditionally on MTP targets.
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Required property for MTP devices which are reworked to expose HDMI port.
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- qcom,hdmi-tx-hpd: gpio required for HDMI hot-plug detect. Required on
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platforms where companion chip is not used.
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- pinctrl-names: a list of strings that map to the pinctrl states.
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- pinctrl-0: list of phandles, each pointing at a pin configuration node.
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...
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- pinctrl-n: list of phandles, each pointing at a pin configuration node.
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- qcom,conti-splash-enabled: Enables the hdmi continuous splash screen feature.
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HDMI interface will remain powered on from LK to kernel with continuous
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display of bootup logo.
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- qcom,pluggable: boolean to enable hotplug feature.
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- qcom,display-id: A string indicates the display ID for the controller.
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The possible values are:
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- "primary"
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- "secondary"
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- "tertiary"
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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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<0xfe2a0000 0xFFF>;
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reg-names = "core_physical", "phy_physical", "qfprom_physical",
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"hdcp_physical";
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hpd-gdsc-supply = <&gdsc_mdss>;
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hpd-5v-supply = <&pm8941_mvs2>;
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hpd-5v-en-supply = <&hdmi_vreg>;
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core-vdda-supply = <&pm8941_l12>;
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core-vcc-supply = <&pm8941_s3>;
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qcom,supply-names = "hpd-gdsc", "hpd-5v", "hpd-5v-en", "core-vdda", "core-vcc";
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qcom,min-voltage-level = <0 0 0 1800000 1800000>;
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qcom,max-voltage-level = <0 0 0 1800000 1800000>;
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qcom,enable-load = <0 0 0 1800000 0>;
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qcom,disable-load = <0 0 0 0 0>;
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qcom,hdmi-tx-ddc-mux-sel = <&pma8084_gpios 6 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,hdmi-tx-mux-lpm = <&msmgpio 27 0>;
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qcom,hdmi-tx-mux-en = <&msmgpio 83 0>;
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qcom,hdmi-tx-mux-sel = <&msmgpio 85 0>;
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qcom,conditional-power-on;
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qcom,pluggable;
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qcom,display-id = "secondary";
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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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pinctrl-names = "hdmi_hpd_active", "hdmi_ddc_active",
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"hdmi_cec_active", "hdmi_active",
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"hdmi_sleep";
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pinctrl-0 = <&mdss_hdmi_hpd_active &mdss_hdmi_ddc_suspend
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&mdss_hdmi_cec_suspend>;
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pinctrl-1 = <&mdss_hdmi_hpd_active &mdss_hdmi_ddc_active
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&mdss_hdmi_cec_suspend>;
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pinctrl-2 = <&mdss_hdmi_hpd_active &mdss_hdmi_cec_active
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&mdss_hdmi_ddc_suspend>;
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pinctrl-3 = <&mdss_hdmi_hpd_active &mdss_hdmi_ddc_active
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&mdss_hdmi_cec_active>;
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pinctrl-4 = <&mdss_hdmi_hpd_suspend &mdss_hdmi_ddc_suspend
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&mdss_hdmi_cec_suspend>;
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};
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