From: Rob Herring <robh@kernel.org>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: ohad@wizery.com, devicetree@vger.kernel.org,
bjorn.andersson@linaro.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, robh+dt@kernel.org,
linux-remoteproc@vger.kernel.org
Subject: Re: [PATCH v2 2/5] dt-bindings: Amlogic: add the documentation for the SECBUS2 registers
Date: Mon, 11 Jan 2021 16:24:04 -0600 [thread overview]
Message-ID: <20210111222404.GA3166382@robh.at.kernel.org> (raw)
In-Reply-To: <20210102205904.2691120-3-martin.blumenstingl@googlemail.com>
On Sat, 02 Jan 2021 21:59:01 +0100, Martin Blumenstingl wrote:
> The Meson8/Meson8b/Meson8m2 SoCs have a register bank called SECBUS2 which
> contains registers for various IP blocks such as pin-controller bits for
> the BSD_EN and TEST_N GPIOs as well as some AO ARC core control bits.
> The registers can be accessed directly when not running in "secure mode".
> When "secure mode" is enabled then these registers have to be accessed
> through secure monitor calls.
>
> So far these SoCs are always known to boot in "non-secure mode".
> Add a binding documentation using syscon (as these registers are shared
> across different IPs) for the SECBUS2 registers.
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> ---
> .../arm/amlogic/amlogic,meson-mx-secbus2.yaml | 42 +++++++++++++++++++
> 1 file changed, 42 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-mx-secbus2.yaml
>
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2021-01-11 22:25 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-02 20:58 [PATCH v2 0/5] Amlogic Meson Always-On ARC remote-processor support Martin Blumenstingl
2021-01-02 20:59 ` [PATCH v2 1/5] dt-bindings: sram: Add compatible strings for the Meson AO ARC SRAM Martin Blumenstingl
2021-01-11 22:23 ` Rob Herring
2021-01-02 20:59 ` [PATCH v2 2/5] dt-bindings: Amlogic: add the documentation for the SECBUS2 registers Martin Blumenstingl
2021-01-11 22:24 ` Rob Herring [this message]
2021-01-02 20:59 ` [PATCH v2 3/5] dt-bindings: remoteproc: Add the documentation for Meson AO ARC rproc Martin Blumenstingl
2021-01-11 22:25 ` Rob Herring
2021-01-02 20:59 ` [PATCH v2 4/5] remoteproc: meson-mx-ao-arc: Add a driver for the AO ARC remote procesor Martin Blumenstingl
2021-01-12 23:43 ` Mathieu Poirier
2021-01-16 21:01 ` Martin Blumenstingl
2021-01-02 20:59 ` [PATCH v2 5/5] ARM: dts: meson: add the AO ARC remote processor Martin Blumenstingl
2021-01-12 14:46 ` Neil Armstrong
2021-01-25 17:51 ` [PATCH v2 0/5] Amlogic Meson Always-On ARC remote-processor support Kevin Hilman
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