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Some targets (eg: msm8994) use the pinctrl framework to configure interface pins. This change adds support for initialization and pinctrl active/sleep state control for the HDMI driver. Signed-off-by: Stephane Viau <sviau@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
55 lines
1.6 KiB
Plaintext
55 lines
1.6 KiB
Plaintext
Qualcomm adreno/snapdragon hdmi output
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Required properties:
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- compatible: one of the following
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* "qcom,hdmi-tx-8084"
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* "qcom,hdmi-tx-8074"
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* "qcom,hdmi-tx-8660"
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* "qcom,hdmi-tx-8960"
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- reg: Physical base address and length of the controller's registers
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- reg-names: "core_physical"
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- interrupts: The interrupt signal from the hdmi block.
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- clocks: device clocks
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See ../clocks/clock-bindings.txt for details.
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- qcom,hdmi-tx-ddc-clk-gpio: ddc clk pin
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- qcom,hdmi-tx-ddc-data-gpio: ddc data pin
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- qcom,hdmi-tx-hpd-gpio: hpd pin
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- core-vdda-supply: phandle to supply regulator
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- hdmi-mux-supply: phandle to mux regulator
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Optional properties:
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- qcom,hdmi-tx-mux-en-gpio: hdmi mux enable pin
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- qcom,hdmi-tx-mux-sel-gpio: hdmi mux select pin
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- pinctrl-names: the pin control state names; should contain "default"
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- pinctrl-0: the default pinctrl state (active)
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- pinctrl-1: the "sleep" pinctrl state
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Example:
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/ {
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...
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hdmi: qcom,hdmi-tx-8960@4a00000 {
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compatible = "qcom,hdmi-tx-8960";
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reg-names = "core_physical";
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reg = <0x04a00000 0x1000>;
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interrupts = <GIC_SPI 79 0>;
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clock-names =
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"core_clk",
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"master_iface_clk",
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"slave_iface_clk";
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clocks =
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<&mmcc HDMI_APP_CLK>,
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<&mmcc HDMI_M_AHB_CLK>,
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<&mmcc HDMI_S_AHB_CLK>;
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qcom,hdmi-tx-ddc-clk = <&msmgpio 70 GPIO_ACTIVE_HIGH>;
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qcom,hdmi-tx-ddc-data = <&msmgpio 71 GPIO_ACTIVE_HIGH>;
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qcom,hdmi-tx-hpd = <&msmgpio 72 GPIO_ACTIVE_HIGH>;
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core-vdda-supply = <&pm8921_hdmi_mvs>;
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hdmi-mux-supply = <&ext_3p3v>;
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&hpd_active &ddc_active &cec_active>;
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pinctrl-1 = <&hpd_suspend &ddc_suspend &cec_suspend>;
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};
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};
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