From: Sudeep Holla <sudeep.holla-5wv7dgnIgG8@public.gmane.org>
To: Mark Rutland <Mark.Rutland-5wv7dgnIgG8@public.gmane.org>
Cc: "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Sudeep Holla <Sudeep.Holla-5wv7dgnIgG8@public.gmane.org>,
Liviu Dudau <Liviu.Dudau-5wv7dgnIgG8@public.gmane.org>,
Punit Agrawal <Punit.Agrawal-5wv7dgnIgG8@public.gmane.org>,
"Jon Medhurst (Tixy)"
<tixy-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Lorenzo Pieralisi
<Lorenzo.Pieralisi-5wv7dgnIgG8@public.gmane.org>,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>,
Kevin Hilman <khilman-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Jassi Brar
<jassisinghbrar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v5 1/8] Documentation: add DT binding for ARM System Control and Power Interface(SCPI) protocol
Date: Tue, 28 Jul 2015 11:22:20 +0100 [thread overview]
Message-ID: <55B757DC.7020509@arm.com> (raw)
In-Reply-To: <1437649828-14540-2-git-send-email-sudeep.holla-5wv7dgnIgG8@public.gmane.org>
Hi Mark,
On 23/07/15 12:10, Sudeep Holla wrote:
> This patch adds devicetree binding for System Control and Power
> Interface (SCPI) Message Protocol used between the Application Cores(AP)
> and the System Control Processor(SCP). The MHU peripheral provides a
> mechanism for inter-processor communication between SCP's M3 processor
> and AP.
>
> SCP offers control and management of the core/cluster power states,
> various power domain DVFS including the core/cluster, certain system
> clocks configuration, thermal sensors and many others.
>
> Signed-off-by: Sudeep Holla <sudeep.holla-5wv7dgnIgG8@public.gmane.org>
> Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
> Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Can you review or provide ACK if this looks good ?
[..]
> diff --git a/Documentation/devicetree/bindings/arm/arm,scpi.txt b/Documentation/devicetree/bindings/arm/arm,scpi.txt
> new file mode 100644
> index 000000000000..e21cce646561
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/arm,scpi.txt
> @@ -0,0 +1,151 @@
[..]
> +cpu@0 {
> + ...
> + reg = <0 0>;
> + clocks = <&scpi_dvfs 0>;
> +};
> +
> +hdlcd@7ff60000 {
> + ...
> + reg = <0 0x7ff60000 0 0x1000>;
> + clocks = <&scpi_clk 4>;
> +};
> +
> +In the above example, the #clock-cells is set to 1 as required.
> +scpi_dvfs has 3 output clocks namely: vbig, vlittle and vgpu with 0, 1
I noticed this just after sending it out, fixed now to match the names
in the example correctly.
Regards,
Sudeep
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WARNING: multiple messages have this Message-ID (diff)
From: Sudeep Holla <sudeep.holla@arm.com>
To: Mark Rutland <Mark.Rutland@arm.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Sudeep Holla <Sudeep.Holla@arm.com>,
Liviu Dudau <Liviu.Dudau@arm.com>,
Punit Agrawal <Punit.Agrawal@arm.com>,
"Jon Medhurst (Tixy)" <tixy@linaro.org>,
Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>,
Kevin Hilman <khilman@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Jassi Brar <jassisinghbrar@gmail.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH v5 1/8] Documentation: add DT binding for ARM System Control and Power Interface(SCPI) protocol
Date: Tue, 28 Jul 2015 11:22:20 +0100 [thread overview]
Message-ID: <55B757DC.7020509@arm.com> (raw)
In-Reply-To: <1437649828-14540-2-git-send-email-sudeep.holla@arm.com>
Hi Mark,
On 23/07/15 12:10, Sudeep Holla wrote:
> This patch adds devicetree binding for System Control and Power
> Interface (SCPI) Message Protocol used between the Application Cores(AP)
> and the System Control Processor(SCP). The MHU peripheral provides a
> mechanism for inter-processor communication between SCP's M3 processor
> and AP.
>
> SCP offers control and management of the core/cluster power states,
> various power domain DVFS including the core/cluster, certain system
> clocks configuration, thermal sensors and many others.
>
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
Can you review or provide ACK if this looks good ?
[..]
> diff --git a/Documentation/devicetree/bindings/arm/arm,scpi.txt b/Documentation/devicetree/bindings/arm/arm,scpi.txt
> new file mode 100644
> index 000000000000..e21cce646561
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/arm,scpi.txt
> @@ -0,0 +1,151 @@
[..]
> +cpu@0 {
> + ...
> + reg = <0 0>;
> + clocks = <&scpi_dvfs 0>;
> +};
> +
> +hdlcd@7ff60000 {
> + ...
> + reg = <0 0x7ff60000 0 0x1000>;
> + clocks = <&scpi_clk 4>;
> +};
> +
> +In the above example, the #clock-cells is set to 1 as required.
> +scpi_dvfs has 3 output clocks namely: vbig, vlittle and vgpu with 0, 1
I noticed this just after sending it out, fixed now to match the names
in the example correctly.
Regards,
Sudeep
next prev parent reply other threads:[~2015-07-28 10:22 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-23 11:10 [PATCH v5 0/8] ARM64: juno: add SCPI mailbox protocol, clock and CPUFreq support Sudeep Holla
[not found] ` <1437649828-14540-1-git-send-email-sudeep.holla-5wv7dgnIgG8@public.gmane.org>
2015-07-23 11:10 ` [PATCH v5 1/8] Documentation: add DT binding for ARM System Control and Power Interface(SCPI) protocol Sudeep Holla
2015-07-23 11:10 ` Sudeep Holla
[not found] ` <1437649828-14540-2-git-send-email-sudeep.holla-5wv7dgnIgG8@public.gmane.org>
2015-07-28 10:22 ` Sudeep Holla [this message]
2015-07-28 10:22 ` Sudeep Holla
2015-07-31 16:00 ` Mark Rutland
2015-07-31 16:07 ` Sudeep Holla
2015-07-31 16:07 ` Sudeep Holla
2015-07-23 11:10 ` [PATCH v5 2/8] firmware: add support " Sudeep Holla
2015-07-29 8:05 ` Jassi Brar
2015-07-29 8:38 ` Sudeep Holla
2015-07-29 11:19 ` Jassi Brar
2015-07-29 12:50 ` Sudeep Holla
2015-07-30 17:56 ` Jassi Brar
2015-07-31 9:21 ` Sudeep Holla
2015-07-31 9:40 ` Sudeep Holla
2015-07-31 10:38 ` Jassi Brar
2015-07-31 10:43 ` Sudeep Holla
2015-07-31 13:08 ` Sudeep Holla
2015-07-31 13:45 ` Jassi Brar
2015-08-05 10:57 ` Sudeep Holla
2015-07-23 11:10 ` [PATCH v5 3/8] clk: add support for clocks provided by SCP(System Control Processor) Sudeep Holla
2015-07-28 10:21 ` Sudeep Holla
2015-07-29 17:37 ` Stephen Boyd
2015-07-30 9:12 ` Sudeep Holla
2015-07-31 6:26 ` Stephen Boyd
2015-07-23 11:10 ` [PATCH v5 4/8] clk: scpi: add support for cpufreq virtual device Sudeep Holla
2015-07-23 11:10 ` [PATCH v5 5/8] cpufreq: arm_big_little: add SCPI interface driver Sudeep Holla
2015-07-28 10:20 ` Sudeep Holla
2015-07-23 11:10 ` [PATCH v5 6/8] arm64: dts: add SRAM, MHU mailbox and SCPI support on Juno Sudeep Holla
2015-07-23 11:10 ` [PATCH v5 7/8] arm64: dts: add CPU topology " Sudeep Holla
2015-07-23 11:10 ` [PATCH v5 8/8] arm64: dts: add clock support for all the cpus Sudeep Holla
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