[PATCH v2 2/2] dt-bindings: media: Add Amlogic Meson AO-CEC bindings
From: Neil Armstrong <hidden>
Date: 2017-07-10 08:02:19
Also in:
linux-amlogic, linux-arm-kernel, linux-media, lkml
Subsystem:
media input infrastructure (v4l/dvb), open firmware and flattened device tree bindings, the rest · Maintainers:
Mauro Carvalho Chehab, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
The Amlogic SoCs embeds a standalone CEC Controller, this patch adds this device bindings. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Neil Armstrong <redacted> --- .../devicetree/bindings/media/meson-ao-cec.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/meson-ao-cec.txt
diff --git a/Documentation/devicetree/bindings/media/meson-ao-cec.txt b/Documentation/devicetree/bindings/media/meson-ao-cec.txt
new file mode 100644
index 0000000..8671bdb
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/meson-ao-cec.txt@@ -0,0 +1,28 @@ +* Amlogic Meson AO-CEC driver + +The Amlogic Meson AO-CEC module is present is Amlogic SoCs and its purpose is +to handle communication between HDMI connected devices over the CEC bus. + +Required properties: + - compatible : value should be following + "amlogic,meson-gx-ao-cec" + + - reg : Physical base address of the IP registers and length of memory + mapped region. + + - interrupts : AO-CEC interrupt number to the CPU. + - clocks : from common clock binding: handle to AO-CEC clock. + - clock-names : from common clock binding: must contain "core", + corresponding to entry in the clocks property. + - hdmi-phandle: phandle to the HDMI controller + +Example: + +cec_AO: cec@100 { + compatible = "amlogic,meson-gx-ao-cec"; + reg = <0x0 0x00100 0x0 0x14>; + interrupts = <GIC_SPI 199 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkc_AO CLKID_AO_CEC_32K>; + clock-names = "core"; + hdmi-phandle = <&hdmi_tx>; +};
--
1.9.1