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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH v2 5/6] aiodev: Add TEMPMON driver
Date: Tue, 10 May 2016 08:02:55 +0200	[thread overview]
Message-ID: <20160510060255.GV19714@pengutronix.de> (raw)
In-Reply-To: <1462543770-4619-6-git-send-email-andrew.smirnov@gmail.com>

On Fri, May 06, 2016 at 07:09:29AM -0700, Andrey Smirnov wrote:
> Port TEMPMON driver from U-Boot
> 
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> ---
>  arch/arm/dts/imx6qdl.dtsi    |  14 +++
>  arch/arm/dts/imx6sx.dtsi     |  14 +++
>  drivers/aiodev/Kconfig       |   8 ++
>  drivers/aiodev/Makefile      |   1 +
>  drivers/aiodev/imx_thermal.c | 239 +++++++++++++++++++++++++++++++++++++++++++
>  5 files changed, 276 insertions(+)
>  create mode 100644 drivers/aiodev/imx_thermal.c
> 
> diff --git a/arch/arm/dts/imx6qdl.dtsi b/arch/arm/dts/imx6qdl.dtsi
> index 828be9c..0deafbc 100644
> --- a/arch/arm/dts/imx6qdl.dtsi
> +++ b/arch/arm/dts/imx6qdl.dtsi
> @@ -8,3 +8,17 @@
>  		ipu0 = &ipu1;
>  	};
>  };
> +
> +&ocotp {
> +	#address-cells = <1>;
> +	#size-cells = <1>;
> +
> +	analog1: ocotp_ana1@34 {

@38?

> +		reg = <0x38 0x4>;
> +	};
> +};
> +
> +&tempmon {
> +	nvmem-cells = <&analog1>;
> +	nvmem-cell-names = "ocotp-ana1";
> +};

Why not use the existing binding? The nvmem binding may be better, but I
think we should not introduce new bindings without need.

> +	node = of_parse_phandle(dev->device_node, "fsl,tempmon", 0);
> +	if (!node) {
> +		ret = -EINVAL;
> +		dev_err(dev, "Failed to parse fsl,tempmon\n");
> +		goto free_calibration_data;
> +	}
> +
> +	anatop = of_find_device_by_node(node);
> +	if (!anatop) {
> +		ret = -EINVAL;
> +		dev_err(dev, "No device corresponds to fsl,tempmon\n");
> +		goto free_calibration_data;
> +	}

syscon_base_lookup_by_phandle() instead of
of_parse_phandle()/of_find_device_by_node()?

Sascha

-- 
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  reply	other threads:[~2016-05-10  6:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-06 14:09 [PATCH v2 0/6] AIODEV subsystem Andrey Smirnov
2016-05-06 14:09 ` [PATCH v2 1/6] drivers: add nvmem framework from kernel Andrey Smirnov
2016-05-06 14:09 ` [PATCH v2 2/6] ocotp: Register OCOTP with 'nvmem' Andrey Smirnov
2016-05-06 14:09 ` [PATCH v2 3/6] drivers: Introduce AIODEV subsystem Andrey Smirnov
2016-05-06 14:09 ` [PATCH v2 4/6] commands: Add 'hwmon' command Andrey Smirnov
2016-05-06 14:09 ` [PATCH v2 5/6] aiodev: Add TEMPMON driver Andrey Smirnov
2016-05-10  6:02   ` Sascha Hauer [this message]
2016-05-13 15:44     ` Andrey Smirnov
2016-05-06 14:09 ` [PATCH v2 6/6] aiodev: Add basic LM75 temperature driver Andrey Smirnov

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