44 lines
1.6 KiB
Plaintext
44 lines
1.6 KiB
Plaintext
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Device-Tree bindings for drm hdmi driver
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Required properties:
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- compatible: value should be one among the following:
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1) "samsung,exynos5-hdmi" <DEPRECATED>
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2) "samsung,exynos4210-hdmi"
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3) "samsung,exynos4212-hdmi"
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4) "samsung,exynos5420-hdmi"
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- reg: physical base address of the hdmi and length of memory mapped
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region.
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- interrupts: interrupt number to the cpu.
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- hpd-gpio: following information about the hotplug gpio pin.
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a) phandle of the gpio controller node.
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b) pin number within the gpio controller.
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c) optional flags and pull up/down.
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- clocks: list of clock IDs from SoC clock driver.
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a) hdmi: Gate of HDMI IP bus clock.
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b) sclk_hdmi: Gate of HDMI special clock.
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c) sclk_pixel: Pixel special clock, one of the two possible inputs of
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HDMI clock mux.
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d) sclk_hdmiphy: HDMI PHY clock output, one of two possible inputs of
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HDMI clock mux.
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e) mout_hdmi: It is required by the driver to switch between the 2
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parents i.e. sclk_pixel and sclk_hdmiphy. If hdmiphy is stable
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after configuration, parent is set to sclk_hdmiphy else
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sclk_pixel.
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- clock-names: aliases as per driver requirements for above clock IDs:
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"hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi".
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- ddc: phandle to the hdmi ddc node
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- phy: phandle to the hdmi phy node
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- samsung,syscon-phandle: phandle for system controller node for PMU.
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Example:
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hdmi {
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compatible = "samsung,exynos4212-hdmi";
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reg = <0x14530000 0x100000>;
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interrupts = <0 95 0>;
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hpd-gpio = <&gpx3 7 1>;
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ddc = <&hdmi_ddc_node>;
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phy = <&hdmi_phy_node>;
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samsung,syscon-phandle = <&pmu_system_controller>;
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};
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