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From: Rob Herring <robh@kernel.org>
To: Jolly Shah <jolly.shah@xilinx.com>
Cc: ard.biesheuvel@linaro.org, mingo@kernel.org,
	gregkh@linuxfoundation.org, matt@codeblueprint.co.uk,
	sudeep.holla@arm.com, hkallweit1@gmail.com,
	keescook@chromium.org, dmitry.torokhov@gmail.com,
	michal.simek@xilinx.com, mark.rutland@arm.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	Jolly Shah <jollys@xilinx.com>, Rajan Vaja <rajanv@xilinx.com>
Subject: Re: [PATCH v3 1/4] dt-bindings: firmware: Add bindings for ZynqMP firmware
Date: Tue, 30 Jan 2018 11:08:18 -0600	[thread overview]
Message-ID: <20180130170818.tz4hoqvyekrl7uio@rob-hp-laptop> (raw)
In-Reply-To: <1516836074-4149-2-git-send-email-jollys@xilinx.com>

On Wed, Jan 24, 2018 at 03:21:11PM -0800, Jolly Shah wrote:
> Add documentation to describe Xilinx ZynqMP firmware driver
> bindings. Firmware driver provides an interface to firmware
> APIs. Interface APIs can be used by any driver to communicate
> to PMUFW (Platform Management Unit).
> 
> Signed-off-by: Jolly Shah <jollys@xilinx.com>
> Signed-off-by: Rajan Vaja <rajanv@xilinx.com>
> ---
>  .../bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt    | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
> 
> diff --git a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
> new file mode 100644
> index 0000000..a7aaf56
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.txt
> @@ -0,0 +1,16 @@
> +Xilinx Zynq MPSoC Firmware Device Tree Bindings
> +
> +The zynqmp-firmware node describes the interface to platform firmware.

Please define this a is child of /firmware.

Also, some brief summary of what functions the firmware provides would 
be nice.

> +
> +Required properties:
> + - compatible:	Must contain:  "xlnx,zynqmp-firmware"
> + - method:	The method of calling the PM-API firmware layer.
> +		Permitted values are:
> +		 - "smc" : To be used in configurations without a hypervisor
> +		 - "hvc" : To be used when hypervisor is present

Do you really need to support hvc?

> +
> +Examples:
> +	zynqmp_firmware: zynqmp-firmware {
> +		compatible = "xlnx,zynqmp-firmware";
> +		method = "smc";
> +	};
> -- 
> 2.7.4
> 

  reply	other threads:[~2018-01-30 17:08 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-24 23:21 [PATCH v3 0/4] drivers: firmware: xilinx: Add firmware driver support Jolly Shah
     [not found] ` <1516836074-4149-1-git-send-email-jollys-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
2018-01-24 23:21   ` [PATCH v3 1/4] dt-bindings: firmware: Add bindings for ZynqMP firmware Jolly Shah
2018-01-30 17:08     ` Rob Herring [this message]
2018-01-31 18:03       ` Jolly Shah
2018-02-01 15:11         ` Rob Herring
2018-01-31 18:03     ` Mark Rutland
     [not found]       ` <20180131180354.mqf4gvvprdtycbn5-agMKViyK24J5pKCnmE3YQBJ8xKzm50AiAL8bYrjMMd8@public.gmane.org>
2018-02-01  1:04         ` Jolly Shah
     [not found]           ` <CY1PR0201MB076454E915A6E6947A39F04BB8FA0-w5HSbVcoX6AJQdFqRSmStRrHTHEw16jenBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2018-02-01 10:27             ` Mark Rutland
2018-02-02 19:50               ` Jolly Shah
2018-01-24 23:21 ` [PATCH v3 2/4] drivers: firmware: xilinx: Add ZynqMP firmware driver Jolly Shah
     [not found]   ` <1516836074-4149-3-git-send-email-jollys-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
2018-01-30  5:05     ` Shubhrajyoti Datta
2018-01-31 19:46       ` Jolly Shah
2018-01-31 18:20     ` Mark Rutland
     [not found]       ` <20180131182012.oshjmvahetaizlbu-agMKViyK24J5pKCnmE3YQBJ8xKzm50AiAL8bYrjMMd8@public.gmane.org>
2018-02-01  1:23         ` Jolly Shah
     [not found]           ` <CY1PR0201MB0764D88D409A35B8379323B4B8FA0-w5HSbVcoX6AJQdFqRSmStRrHTHEw16jenBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2018-02-01 10:33             ` Mark Rutland
     [not found]               ` <20180201103321.fftn37mgzbk6oltl-agMKViyK24J5pKCnmE3YQBJ8xKzm50AiAL8bYrjMMd8@public.gmane.org>
2018-02-01 23:54                 ` Jolly Shah
2018-01-24 23:21 ` [PATCH v3 3/4] drivers: firmware: xilinx: Add sysfs interface Jolly Shah
2018-01-24 23:21 ` [PATCH v3 4/4] drivers: firmware: xilinx: Add debugfs interface Jolly Shah
2018-01-25  9:30   ` Greg KH
     [not found]     ` <20180125093057.GA1936-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2018-01-31 19:48       ` Jolly Shah

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