From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/media/s5p-cec.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/s5p-cec.txt (limited to 'Documentation/devicetree/bindings/media/s5p-cec.txt') diff --git a/Documentation/devicetree/bindings/media/s5p-cec.txt b/Documentation/devicetree/bindings/media/s5p-cec.txt new file mode 100644 index 000000000..e847291d4 --- /dev/null +++ b/Documentation/devicetree/bindings/media/s5p-cec.txt @@ -0,0 +1,36 @@ +* Samsung HDMI CEC driver + +The HDMI CEC module is present is Samsung SoCs and its purpose is to +handle communication between HDMI connected devices over the CEC bus. + +Required properties: + - compatible : value should be following + "samsung,s5p-cec" + + - reg : Physical base address of the IP registers and length of memory + mapped region. + + - interrupts : HDMI CEC interrupt number to the CPU. + - clocks : from common clock binding: handle to HDMI CEC clock. + - clock-names : from common clock binding: must contain "hdmicec", + corresponding to entry in the clocks property. + - samsung,syscon-phandle - phandle to the PMU system controller + - hdmi-phandle - phandle to the HDMI controller, see also cec.txt. + +Optional: + - needs-hpd : if present the CEC support is only available when the HPD + is high. See cec.txt for more details. + +Example: + +hdmicec: cec@100b0000 { + compatible = "samsung,s5p-cec"; + reg = <0x100B0000 0x200>; + interrupts = <0 114 0>; + clocks = <&clock CLK_HDMI_CEC>; + clock-names = "hdmicec"; + samsung,syscon-phandle = <&pmu_system_controller>; + hdmi-phandle = <&hdmi>; + pinctrl-names = "default"; + pinctrl-0 = <&hdmi_cec>; +}; -- cgit v1.2.3