[PATCH v10 1/4] dt-bindings: media: Document Synopsys DesignWare HDMI RX
From: Jose Abreu <hidden>
Date: 2017-12-11 17:42:07
Also in:
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
Document the bindings for the Synopsys DesignWare HDMI RX. Signed-off-by: Jose Abreu <joabreu-HKixBCOQz3hWk0Htik3J/w@public.gmane.org> Acked-by: Rob Herring <redacted> (v8) Cc: Joao Pinto <jpinto-HKixBCOQz3hWk0Htik3J/w@public.gmane.org> Cc: Rob Herring <redacted> Cc: Mark Rutland <redacted> Cc: Mauro Carvalho Chehab <redacted> Cc: Hans Verkuil <redacted> Cc: Sylwester Nawrocki <redacted> Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- Changes from v7: - Remove SoC specific bindings (Rob) Changes from v6: - Document which properties are required/optional (Sylwester) - Drop compatible string for SoC (Sylwester) - Reword edid-phandle property (Sylwester) - Typo fixes (Sylwester) Changes from v4: - Use "cfg" instead of "cfg-clk" (Rob) - Change node names (Rob) Changes from v3: - Document the new DT bindings suggested by Sylwester Changes from v2: - Document edid-phandle property --- .../devicetree/bindings/media/snps,dw-hdmi-rx.txt | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.txt
diff --git a/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.txt b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.txt
new file mode 100644
index 0000000..1dc09c6
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.txt@@ -0,0 +1,58 @@ +Synopsys DesignWare HDMI RX Decoder +=================================== + +This document defines device tree properties for the Synopsys DesignWare HDMI +RX Decoder (DWC HDMI RX). + +The properties bellow belong to the Synopsys DesignWare HDMI RX Decoder node. + +Required properties: + +- compatible: Shall be "snps,dw-hdmi-rx". +- reg: Memory mapped base address and length of the DWC HDMI RX registers. +- interrupts: Reference to the DWC HDMI RX interrupt and the HDMI 5V sense +interrupt. +- clocks: Reference to the config clock. +- clock-names: Shall be "cfg". +- #address-cells: Shall be 1. +- #size-cells: Shall be 0. + +Optional properties: + +- edid-phandle: Reference to the EDID handler block; if this property is not +specified it is assumed that EDID is handled by device described by parent +node of the HDMI RX node. You should not specify this property if your HDMI RX +controller does not have CEC. + +You also have to create a subnode for the PHY device. PHY node properties are +as follows. + +Required properties: + +- compatible: Shall be "snps,dw-hdmi-phy-e405". +- reg: Shall be the JTAG address of the PHY. +- clocks: Reference to the config clock. +- clock-names: Shall be "cfg". + +Example: + +hdmi_rx: hdmi-rx@0 { + compatible = "snps,dw-hdmi-rx"; + reg = <0x0 0x10000>; + interrupts = <1 2>; + edid-phandle = <&dw_hdmi_edid>; + + clocks = <&dw_hdmi_refclk>; + clock-names = "cfg"; + + #address-cells = <1>; + #size-cells = <0>; + + hdmi-phy@fc { + compatible = "snps,dw-hdmi-phy-e405"; + reg = <0xfc>; + + clocks = <&dw_hdmi_refclk>; + clock-names = "cfg"; + }; +};
--
1.9.1
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