[PATCH 1/3] staging: imx-drm: document internal HDMI I2C master controller DT binding
From: Vladimir Zapolskiy <hidden>
Date: 2014-11-15 17:49:17
Also in:
linux-devicetree, linux-i2c, linux-media
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2014-12-02 · Re: [PATCH 1/3] staging: imx-drm: document internal HDMI I2C master controller DT binding · Wolfram Sang <hidden>
- 2014-12-02 · Re: [PATCH 1/3] staging: imx-drm: document internal HDMI I2C master controller DT binding · Vladimir Zapolskiy <hidden>
- 2014-12-02 · Re: [PATCH 1/3] staging: imx-drm: document internal HDMI I2C master controller DT binding · Andy Yan <hidden>
- 2014-12-01 · Re: [PATCH 1/3] staging: imx-drm: document internal HDMI I2C master controller DT binding · Philipp Zabel <hidden>
- 2014-12-01 · Re: [PATCH 1/3] staging: imx-drm: document internal HDMI I2C master controller DT binding · Vladimir Zapolskiy <hidden>
Provide information about how to bind internal iMX6Q/DL HDMI DDC I2C master controller. The property is set as optional one, because iMX6 HDMI DDC bus may be represented by one of general purpose I2C busses found on SoC. Signed-off-by: Vladimir Zapolskiy <redacted> Cc: Wolfram Sang <redacted> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Shawn Guo <redacted> Cc: devicetree at vger.kernel.org Cc: linux-media at vger.kernel.org Cc: linux-arm-kernel at lists.infradead.org Cc: linux-i2c at vger.kernel.org --- Documentation/devicetree/bindings/staging/imx-drm/hdmi.txt | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/staging/imx-drm/hdmi.txt b/Documentation/devicetree/bindings/staging/imx-drm/hdmi.txt
index 1b756cf..43c8924 100644
--- a/Documentation/devicetree/bindings/staging/imx-drm/hdmi.txt
+++ b/Documentation/devicetree/bindings/staging/imx-drm/hdmi.txt@@ -10,6 +10,8 @@ Required properties: - #address-cells : should be <1> - #size-cells : should be <0> - compatible : should be "fsl,imx6q-hdmi" or "fsl,imx6dl-hdmi". + If internal HDMI DDC I2C master controller is supposed to be used, + then "simple-bus" should be added to compatible value. - gpr : should be <&gpr>. The phandle points to the iomuxc-gpr region containing the HDMI multiplexer control register.
@@ -22,6 +24,7 @@ Required properties: Optional properties: - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing + - ddc: internal HDMI DDC I2C master controller example:
@@ -32,7 +35,7 @@ example: hdmi: hdmi at 0120000 { #address-cells = <1>; #size-cells = <0>; - compatible = "fsl,imx6q-hdmi"; + compatible = "fsl,imx6q-hdmi", "simple-bus"; reg = <0x00120000 0x9000>; interrupts = <0 115 0x04>; gpr = <&gpr>;
@@ -40,6 +43,11 @@ example: clock-names = "iahb", "isfr"; ddc-i2c-bus = <&i2c2>; + hdmi_ddc: ddc { + compatible = "fsl,imx6q-hdmi-ddc"; + status = "disabled"; + }; + port at 0 { reg = <0>;
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1.7.10.4