From: Rob Herring <robh@kernel.org>
To: Maxime Ripard <maxime@cerno.tech>
Cc: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
Eric Anholt <eric@anholt.net>,
devicetree@vger.kernel.org,
Florian Fainelli <f.fainelli@gmail.com>,
Tim Gover <tim.gover@raspberrypi.com>,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Wolfram Sang <wsa@the-dreams.de>,
Kamal Dasu <kdasu.kdev@gmail.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-i2c@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com,
linux-rpi-kernel@lists.infradead.org,
Phil Elwell <phil@raspberrypi.com>,
linux-arm-kernel@lists.infradead.org,
Maxime Ripard <maxime@cerno.tech>
Subject: Re: [PATCH 02/89] dt-bindings: i2c: brcmstb: Add BCM2711 BSC/AUTO-I2C binding
Date: Tue, 25 Feb 2020 12:15:00 -0600 [thread overview]
Message-ID: <20200225181500.GA538@bogus> (raw)
In-Reply-To: <9e427ff22fa40b7146b44aee6468559499deb1f1.1582533919.git-series.maxime@cerno.tech>
On Mon, 24 Feb 2020 10:06:04 +0100, Maxime Ripard wrote:
> The HDMI blocks in the BCM2771 have an i2c controller to retrieve the
> EDID. This block is split into two parts, the BSC and the AUTO_I2C,
> lying in two separate register areas.
>
> The AUTO_I2C block has a mailbox-like interface and will take away the
> BSC control from the CPU if enabled. However, the BSC is the actually
> the same controller than the one supported by the brcmstb driver, and
> the AUTO_I2C doesn't really bring any immediate benefit.
>
> We can model it in the DT as a single device with two register range,
> which will allow us to use or or the other in the driver without
> changing anything in the DT.
>
> Cc: Kamal Dasu <kdasu.kdev@gmail.com>
> Cc: Florian Fainelli <f.fainelli@gmail.com>
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: bcm-kernel-feedback-list@broadcom.com
> Cc: linux-i2c@vger.kernel.org
> Cc: devicetree@vger.kernel.org
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
> ---
> Documentation/devicetree/bindings/i2c/brcm,brcmstb-i2c.yaml | 40 ++++++-
> 1 file changed, 39 insertions(+), 1 deletion(-)
>
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2020-02-25 18:15 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.6c896ace9a5a7840e9cec008b553cbb004ca1f91.1582533919.git-series.maxime@cerno.tech>
2020-02-24 9:06 ` [PATCH 01/89] dt-bindings: i2c: brcmstb: Convert the BRCMSTB binding to a schema Maxime Ripard
2020-02-24 17:40 ` Florian Fainelli
2020-02-25 18:14 ` Rob Herring
2020-03-10 10:07 ` Wolfram Sang
2020-03-10 10:07 ` Wolfram Sang
2020-02-24 9:06 ` [PATCH 02/89] dt-bindings: i2c: brcmstb: Add BCM2711 BSC/AUTO-I2C binding Maxime Ripard
2020-02-24 17:48 ` Florian Fainelli
2020-02-25 18:15 ` Rob Herring [this message]
2020-03-10 10:07 ` Wolfram Sang
2020-02-24 9:06 ` [PATCH 06/89] dt-bindings: clock: Add a binding for the RPi Firmware clocks Maxime Ripard
2020-02-25 18:16 ` Rob Herring
2020-03-12 23:14 ` Stephen Boyd
2020-02-24 9:06 ` [PATCH 26/89] dt-bindings: clock: Add BCM2711 DVP binding Maxime Ripard
2020-02-25 18:17 ` Rob Herring
2020-02-24 9:06 ` [PATCH 27/89] clk: bcm: Add BCM2711 DVP driver Maxime Ripard
2020-03-13 1:00 ` Stephen Boyd
2020-03-23 10:56 ` Maxime Ripard
2020-03-25 2:20 ` Stephen Boyd
2020-02-24 9:06 ` [PATCH 29/89] dt-bindings: display: Convert VC4 bindings to schemas Maxime Ripard
2020-02-24 18:41 ` Rob Herring
2020-02-25 11:54 ` Maxime Ripard
2020-02-25 14:02 ` Rob Herring
2020-02-24 9:06 ` [PATCH 30/89] dt-bindings: display: vc4: dpi: Add missing clock-names property Maxime Ripard
2020-02-25 18:17 ` Rob Herring
2020-02-24 9:06 ` [PATCH 31/89] dt-bindings: display: vc4: dsi: Add missing clock properties Maxime Ripard
2020-02-25 18:18 ` Rob Herring
2020-02-24 9:06 ` [PATCH 32/89] dt-bindings: display: vc4: hdmi: Add missing clock-names property Maxime Ripard
2020-02-25 18:18 ` Rob Herring
2020-02-24 9:06 ` [PATCH 33/89] dt-bindings: display: vc4: Document BCM2711 VC5 Maxime Ripard
2020-02-25 18:18 ` Rob Herring
2020-02-24 9:07 ` [PATCH 59/89] dt-bindings: display: vc4: pv: Add BCM2711 pixel valves Maxime Ripard
2020-02-25 18:19 ` Rob Herring
2020-02-24 9:07 ` [PATCH 88/89] dt-bindings: display: vc4: hdmi: Add BCM2711 HDMI controllers bindings Maxime Ripard
2020-02-25 18:24 ` Rob Herring
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