From: Neil Armstrong <narmstrong@baylibre.com>
To: Hans Verkuil <hverkuil@xs4all.nl>, linux-media@vger.kernel.org
Cc: linux-amlogic@lists.infradead.org,
Hans Verkuil <hans.verkuil@cisco.com>,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: display: dw_hdmi.txt
Date: Mon, 19 Mar 2018 14:11:09 +0100 [thread overview]
Message-ID: <1ed321a1-cdfd-6e86-bb8d-4ca8ffeb6369@baylibre.com> (raw)
In-Reply-To: <20180319114345.29837-2-hverkuil@xs4all.nl>
On 19/03/2018 12:43, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@cisco.com>
>
> Some boards have both a DesignWare and their own CEC controller.
> The CEC pin is only hooked up to their own CEC controller and not
> to the DW controller.
>
> Add the cec-disable property to disable the DW CEC controller.
>
> This particular situation happens on Amlogic boards that have their
> own meson CEC controller.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
> ---
> Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
> index 33bf981fbe33..4a13f4858bc0 100644
> --- a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
> +++ b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
> @@ -27,6 +27,9 @@ responsible for defining whether each property is required or optional.
> - "isfr" is the internal register configuration clock (mandatory).
> - "cec" is the HDMI CEC controller main clock (optional).
>
> +- cec-disable: Do not use the DWC CEC controller since the CEC line is not
> + hooked up even though the CEC DWC IP is present.
> +
> - ports: The connectivity of the DWC HDMI TX with the rest of the system is
> expressed in using ports as specified in the device graph bindings defined
> in Documentation/devicetree/bindings/graph.txt. The numbering of the ports
>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
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WARNING: multiple messages have this Message-ID (diff)
From: Neil Armstrong <narmstrong@baylibre.com>
To: Hans Verkuil <hverkuil@xs4all.nl>, linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org,
linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org,
Hans Verkuil <hans.verkuil@cisco.com>
Subject: Re: [PATCH 1/3] dt-bindings: display: dw_hdmi.txt
Date: Mon, 19 Mar 2018 14:11:09 +0100 [thread overview]
Message-ID: <1ed321a1-cdfd-6e86-bb8d-4ca8ffeb6369@baylibre.com> (raw)
In-Reply-To: <20180319114345.29837-2-hverkuil@xs4all.nl>
On 19/03/2018 12:43, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@cisco.com>
>
> Some boards have both a DesignWare and their own CEC controller.
> The CEC pin is only hooked up to their own CEC controller and not
> to the DW controller.
>
> Add the cec-disable property to disable the DW CEC controller.
>
> This particular situation happens on Amlogic boards that have their
> own meson CEC controller.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
> ---
> Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
> index 33bf981fbe33..4a13f4858bc0 100644
> --- a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
> +++ b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
> @@ -27,6 +27,9 @@ responsible for defining whether each property is required or optional.
> - "isfr" is the internal register configuration clock (mandatory).
> - "cec" is the HDMI CEC controller main clock (optional).
>
> +- cec-disable: Do not use the DWC CEC controller since the CEC line is not
> + hooked up even though the CEC DWC IP is present.
> +
> - ports: The connectivity of the DWC HDMI TX with the rest of the system is
> expressed in using ports as specified in the device graph bindings defined
> in Documentation/devicetree/bindings/graph.txt. The numbering of the ports
>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
WARNING: multiple messages have this Message-ID (diff)
From: narmstrong@baylibre.com (Neil Armstrong)
To: linus-amlogic@lists.infradead.org
Subject: [PATCH 1/3] dt-bindings: display: dw_hdmi.txt
Date: Mon, 19 Mar 2018 14:11:09 +0100 [thread overview]
Message-ID: <1ed321a1-cdfd-6e86-bb8d-4ca8ffeb6369@baylibre.com> (raw)
In-Reply-To: <20180319114345.29837-2-hverkuil@xs4all.nl>
On 19/03/2018 12:43, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@cisco.com>
>
> Some boards have both a DesignWare and their own CEC controller.
> The CEC pin is only hooked up to their own CEC controller and not
> to the DW controller.
>
> Add the cec-disable property to disable the DW CEC controller.
>
> This particular situation happens on Amlogic boards that have their
> own meson CEC controller.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
> ---
> Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
> index 33bf981fbe33..4a13f4858bc0 100644
> --- a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
> +++ b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt
> @@ -27,6 +27,9 @@ responsible for defining whether each property is required or optional.
> - "isfr" is the internal register configuration clock (mandatory).
> - "cec" is the HDMI CEC controller main clock (optional).
>
> +- cec-disable: Do not use the DWC CEC controller since the CEC line is not
> + hooked up even though the CEC DWC IP is present.
> +
> - ports: The connectivity of the DWC HDMI TX with the rest of the system is
> expressed in using ports as specified in the device graph bindings defined
> in Documentation/devicetree/bindings/graph.txt. The numbering of the ports
>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
next prev parent reply other threads:[~2018-03-19 13:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-19 11:43 [PATCH 0/3] dw-hdmi: add property to disable CEC Hans Verkuil
2018-03-19 11:43 ` Hans Verkuil
2018-03-19 11:43 ` Hans Verkuil
2018-03-19 11:43 ` [PATCH 1/3] dt-bindings: display: dw_hdmi.txt Hans Verkuil
2018-03-19 11:43 ` Hans Verkuil
2018-03-19 11:43 ` Hans Verkuil
2018-03-19 11:46 ` Fabio Estevam
2018-03-19 11:46 ` Fabio Estevam
2018-03-19 11:46 ` Fabio Estevam
2018-03-19 11:48 ` Hans Verkuil
2018-03-19 11:48 ` Hans Verkuil
2018-03-19 11:48 ` Hans Verkuil
2018-03-19 13:11 ` Neil Armstrong [this message]
2018-03-19 13:11 ` Neil Armstrong
2018-03-19 13:11 ` Neil Armstrong
2018-03-19 11:43 ` [PATCH 2/3] drm: bridge: dw-hdmi: check the cec-disable property Hans Verkuil
2018-03-19 11:43 ` Hans Verkuil
2018-03-19 11:43 ` Hans Verkuil
2018-03-19 13:11 ` Neil Armstrong
2018-03-19 13:11 ` Neil Armstrong
2018-03-19 13:11 ` Neil Armstrong
2018-03-19 11:43 ` [PATCH 3/3] arm64: dts: meson-gxl-s905x-libretech-cc: add cec-disable Hans Verkuil
2018-03-19 11:43 ` Hans Verkuil
2018-03-19 11:43 ` Hans Verkuil
2018-03-19 13:11 ` Neil Armstrong
2018-03-19 13:11 ` Neil Armstrong
2018-03-19 13:11 ` Neil Armstrong
2018-03-19 13:10 ` [PATCH 0/3] dw-hdmi: add property to disable CEC Neil Armstrong
2018-03-19 13:10 ` Neil Armstrong
2018-03-19 13:10 ` Neil Armstrong
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