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diff --git a/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.txt b/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.txt deleted file mode 100644 index 3a50a7862cf3..000000000000 --- a/Documentation/devicetree/bindings/display/amlogic,meson-dw-hdmi.txt +++ /dev/null @@ -1,119 +0,0 @@ -Amlogic specific extensions to the Synopsys Designware HDMI Controller -====================================================================== - -The Amlogic Meson Synopsys Designware Integration is composed of : -- A Synopsys DesignWare HDMI Controller IP -- A TOP control block controlling the Clocks and PHY -- A custom HDMI PHY in order to convert video to TMDS signal - ___________________________________ -| HDMI TOP |<= HPD -|___________________________________| -| | | -| Synopsys HDMI | HDMI PHY |=> TMDS -| Controller |________________| -|___________________________________|<=> DDC - -The HDMI TOP block only supports HPD sensing. -The Synopsys HDMI Controller interrupt is routed through the -TOP Block interrupt. -Communication to the TOP Block and the Synopsys HDMI Controller is done -via a pair of dedicated addr+read/write registers. -The HDMI PHY is configured by registers in the HHI register block. - -Pixel data arrives in 4:4:4 format from the VENC block and the VPU HDMI mux -selects either the ENCI encoder for the 576i or 480i formats or the ENCP -encoder for all the other formats including interlaced HD formats. - -The VENC uses a DVI encoder on top of the ENCI or ENCP encoders to generate -DVI timings for the HDMI controller. - -Amlogic Meson GXBB, GXL and GXM SoCs families embeds the Synopsys DesignWare -HDMI TX IP version 2.01a with HDCP and I2C & S/PDIF -audio source interfaces. - -Required properties: -- compatible: value should be different for each SoC family as : - - GXBB (S905) : "amlogic,meson-gxbb-dw-hdmi" - - GXL (S905X, S905D) : "amlogic,meson-gxl-dw-hdmi" - - GXM (S912) : "amlogic,meson-gxm-dw-hdmi" - followed by the common "amlogic,meson-gx-dw-hdmi" - - G12A (S905X2, S905Y2, S905D2) : "amlogic,meson-g12a-dw-hdmi" -- reg: Physical base address and length of the controller's registers. -- interrupts: The HDMI interrupt number -- clocks, clock-names : must have the phandles to the HDMI iahb and isfr clocks, - and the Amlogic Meson venci clocks as described in - Documentation/devicetree/bindings/clock/clock-bindings.txt, - the clocks are soc specific, the clock-names should be "iahb", "isfr", "venci" -- resets, resets-names: must have the phandles to the HDMI apb, glue and phy - resets as described in : - Documentation/devicetree/bindings/reset/reset.txt, - the reset-names should be "hdmitx_apb", "hdmitx", "hdmitx_phy" - -Optional properties: -- hdmi-supply: Optional phandle to an external 5V regulator to power the HDMI - logic, as described in the file ../regulator/regulator.txt - -Required nodes: - -The connections to the HDMI ports are modeled using the OF graph -bindings specified in Documentation/devicetree/bindings/graph.txt. - -The following table lists for each supported model the port number -corresponding to each HDMI output and input. - - Port 0 Port 1 ------------------------------------------ - S905 (GXBB) VENC Input TMDS Output - S905X (GXL) VENC Input TMDS Output - S905D (GXL) VENC Input TMDS Output - S912 (GXM) VENC Input TMDS Output - S905X2 (G12A) VENC Input TMDS Output - S905Y2 (G12A) VENC Input TMDS Output - S905D2 (G12A) VENC Input TMDS Output - -Example: - -hdmi-connector { - compatible = "hdmi-connector"; - type = "a"; - - port { - hdmi_connector_in: endpoint { - remote-endpoint = <&hdmi_tx_tmds_out>; - }; - }; -}; - -hdmi_tx: hdmi-tx@c883a000 { - compatible = "amlogic,meson-gxbb-dw-hdmi", "amlogic,meson-gx-dw-hdmi"; - reg = <0x0 0xc883a000 0x0 0x1c>; - interrupts = <GIC_SPI 57 IRQ_TYPE_EDGE_RISING>; - resets = <&reset RESET_HDMITX_CAPB3>, - <&reset RESET_HDMI_SYSTEM_RESET>, - <&reset RESET_HDMI_TX>; - reset-names = "hdmitx_apb", "hdmitx", "hdmitx_phy"; - clocks = <&clkc CLKID_HDMI_PCLK>, - <&clkc CLKID_CLK81>, - <&clkc CLKID_GCLK_VENCI_INT0>; - clock-names = "isfr", "iahb", "venci"; - #address-cells = <1>; - #size-cells = <0>; - - /* VPU VENC Input */ - hdmi_tx_venc_port: port@0 { - reg = <0>; - - hdmi_tx_in: endpoint { - remote-endpoint = <&hdmi_tx_out>; - }; - }; - - /* TMDS Output */ - hdmi_tx_tmds_port: port@1 { - reg = <1>; - - hdmi_tx_tmds_out: endpoint { - remote-endpoint = <&hdmi_connector_in>; - }; - }; -}; |