1* Samsung HDMI CEC driver 2 3The HDMI CEC module is present is Samsung SoCs and its purpose is to 4handle communication between HDMI connected devices over the CEC bus. 5 6Required properties: 7 - compatible : value should be following 8 "samsung,s5p-cec" 9 10 - reg : Physical base address of the IP registers and length of memory 11 mapped region. 12 13 - interrupts : HDMI CEC interrupt number to the CPU. 14 - clocks : from common clock binding: handle to HDMI CEC clock. 15 - clock-names : from common clock binding: must contain "hdmicec", 16 corresponding to entry in the clocks property. 17 - samsung,syscon-phandle - phandle to the PMU system controller 18 - hdmi-phandle - phandle to the HDMI controller, see also cec.txt. 19 20Optional: 21 - needs-hpd : if present the CEC support is only available when the HPD 22 is high. See cec.txt for more details. 23 24Example: 25 26hdmicec: cec@100b0000 { 27 compatible = "samsung,s5p-cec"; 28 reg = <0x100B0000 0x200>; 29 interrupts = <0 114 0>; 30 clocks = <&clock CLK_HDMI_CEC>; 31 clock-names = "hdmicec"; 32 samsung,syscon-phandle = <&pmu_system_controller>; 33 hdmi-phandle = <&hdmi>; 34 pinctrl-names = "default"; 35 pinctrl-0 = <&hdmi_cec>; 36}; 37