From: Neil Armstrong <narmstrong@baylibre.com>
To: Rob Herring <robh@kernel.org>
Cc: khilman@baylibre.com, carlo@caione.org,
linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v3 1/3] dt-bindings: arm: amlogic: Add SoC information bindings
Date: Fri, 23 Jun 2017 10:22:24 +0200 [thread overview]
Message-ID: <c62ace5a-f977-6f07-2e02-e20aac94bcb9@baylibre.com> (raw)
In-Reply-To: <20170622212449.wsck475jxabawqsv@rob-hp-laptop>
On 06/22/2017 11:24 PM, Rob Herring wrote:
> On Wed, Jun 14, 2017 at 02:05:44PM +0200, Neil Armstrong wrote:
>> Add bindings for the SoC information register of the Amlogic SoCs.
>>
>> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
>> ---
>> Documentation/devicetree/bindings/arm/amlogic.txt | 29 +++++++++++++++++++++++
>> 1 file changed, 29 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt
>> index 5c01e65..a6d8754 100644
>> --- a/Documentation/devicetree/bindings/arm/amlogic.txt
>> +++ b/Documentation/devicetree/bindings/arm/amlogic.txt
>> @@ -60,3 +60,32 @@ Board compatible values (alphabetically, grouped by SoC):
>> - "amlogic,q201" (Meson gxm s912)
>> - "kingnovel,r-box-pro" (Meson gxm S912)
>> - "nexbox,a1" (Meson gxm s912)
>> +
>> +Amlogic Meson Firmware registers Interface
>> +------------------------------------------
>> +
>> +The Meson SoCs have a register bank with status and data shared with the
>> +secure firmware.
>> +
>> +Required properties:
>> + - compatible: For Meson GX SoCs, must be "amlogic,meson-gx-ao-secure", "syscon"
>> +
>> +Properties should indentify components of this register interface :
>> +
>> +Meson GX SoC Information
>> +------------------------
>> +A firmware register encodes the SoC type, package and revision information on
>> +the Meson GX SoCs.
>> +If present, the following property should be added :
>> +
>> +Optional properties:
>> + - has-chip-id: If present, the interface gives the current SoC version.
>
> amlogic,has-chip-id
OK, thanks I'll send a v3.1 with this small change.
Neil
>
> With that,
>
> Acked-by: Rob Herring <robh@kernel.org>
>
>> +
>> +Example
>> +-------
>> +
>> +ao-secure@140 {
>> + compatible = "amlogic,meson-gx-ao-secure", "syscon";
>> + reg = <0x0 0x140 0x0 0x140>;
>> + has-chip-id;
>> +};
>> --
>> 1.9.1
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe devicetree" in
>> the body of a message to majordomo@vger.kernel.org
>> More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2017-06-23 8:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-14 12:05 [PATCH v3 0/3] soc: amlogic: Add Amlogic SoC Information driver Neil Armstrong
2017-06-14 12:05 ` [PATCH v3 1/3] dt-bindings: arm: amlogic: Add SoC information bindings Neil Armstrong
2017-06-22 21:24 ` Rob Herring
2017-06-23 8:22 ` Neil Armstrong [this message]
2017-06-14 12:05 ` [PATCH v3 2/3] ARM64: dts: meson-gx: Add SoC info register Neil Armstrong
2017-06-14 12:05 ` [PATCH v3 3/3] soc: Add Amlogic SoC Information driver Neil Armstrong
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