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From: "Jonathan Neuschäfer" <j.ne@posteo.net>
To: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Cc: "Srinivas Kandagatla" <srinivas.kandagatla@linaro.org>,
	linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org,
	"Ash Logan" <ash@heyquark.com>,
	"Jonathan Neuschäfer" <j.ne@posteo.net>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Michael Ellerman" <mpe@ellerman.id.au>,
	"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
	"Paul Mackerras" <paulus@samba.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/4] powerpc: wii.dts: Expose the OTP on this platform
Date: Sat, 26 Jun 2021 23:34:01 +0000	[thread overview]
Message-ID: <YNe5aW55SrXFGKFV@latitude> (raw)
In-Reply-To: <20210519095044.4109-4-linkmauve@linkmauve.fr>

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On Wed, May 19, 2021 at 11:50:43AM +0200, Emmanuel Gil Peyrot wrote:
> This can be used by the newly-added nintendo-otp nvmem module.
> 
> Signed-off-by: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
> ---
>  arch/powerpc/boot/dts/wii.dts | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/powerpc/boot/dts/wii.dts b/arch/powerpc/boot/dts/wii.dts
> index aaa381da1906..7837c4a3f09c 100644
> --- a/arch/powerpc/boot/dts/wii.dts
> +++ b/arch/powerpc/boot/dts/wii.dts
> @@ -219,6 +219,11 @@ control@d800100 {
>  			reg = <0x0d800100 0x300>;
>  		};
>  
> +		otp@d8001ec {
> +			compatible = "nintendo,hollywood-otp";
> +			reg = <0x0d8001ec 0x8>;

The OTP registers overlap with the previous node, control@d800100.
Not sure what's the best way to structure the devicetree in this case,
maybe something roughly like the following (untested, unverified):

	control@d800100 {
		compatible = "nintendo,hollywood-control", "simple-mfd";
		reg = <0x0d800100 0x300>;
		ranges;

		otp@d8001ec {
			compatible = "nintendo,hollywood-otp";
			reg = <0x0d8001ec 0x8>;
		};
	};



Thanks,
Jonathan Neuschäfer

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  reply	other threads:[~2021-06-26 23:34 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-19  9:50 [PATCH v2 0/4] nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP Emmanuel Gil Peyrot
2021-05-19  9:50 ` [PATCH v2 1/4] " Emmanuel Gil Peyrot
2021-06-26 23:24   ` Jonathan Neuschäfer
2021-05-19  9:50 ` [PATCH v2 2/4] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support Emmanuel Gil Peyrot
2021-05-21  1:37   ` Rob Herring
2021-06-26 21:27   ` Jonathan Neuschäfer
2021-05-19  9:50 ` [PATCH v2 3/4] powerpc: wii.dts: Expose the OTP on this platform Emmanuel Gil Peyrot
2021-06-26 23:34   ` Jonathan Neuschäfer [this message]
2021-07-01 19:56     ` Emmanuel Gil Peyrot
2021-07-02  8:56       ` Jonathan Neuschäfer
2021-07-03 15:53         ` Segher Boessenkool
2021-05-19  9:50 ` [PATCH v2 4/4] powerpc: wii_defconfig: Enable OTP by default Emmanuel Gil Peyrot
2021-06-26 23:38   ` Jonathan Neuschäfer
2021-07-01 22:57 ` [PATCH v3 0/5] nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP Emmanuel Gil Peyrot
2021-07-01 22:57   ` [PATCH v3 1/5] " Emmanuel Gil Peyrot
2021-07-01 22:57   ` [PATCH v3 2/5] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support Emmanuel Gil Peyrot
2021-07-14 22:51     ` Rob Herring
2021-07-01 22:57   ` [PATCH v3 3/5] powerpc: wii.dts: Reduce the size of the control area Emmanuel Gil Peyrot
2021-07-01 22:57   ` [PATCH v3 4/5] powerpc: wii.dts: Expose the OTP on this platform Emmanuel Gil Peyrot
2021-07-01 22:57   ` [PATCH v3 5/5] powerpc: wii_defconfig: Enable OTP by default Emmanuel Gil Peyrot
2021-08-01  7:38   ` [PATCH v4 0/5] nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP Emmanuel Gil Peyrot
2021-08-01  7:38     ` [PATCH v4 1/5] " Emmanuel Gil Peyrot
2021-08-01  7:38     ` [PATCH v4 2/5] dt-bindings: nintendo-otp: Document the Wii and Wii U OTP support Emmanuel Gil Peyrot
2021-08-06 21:07       ` Rob Herring
2021-08-01  7:38     ` [PATCH v4 3/5] powerpc: wii.dts: Reduce the size of the control area Emmanuel Gil Peyrot
2021-08-01  7:38     ` [PATCH v4 4/5] powerpc: wii.dts: Expose the OTP on this platform Emmanuel Gil Peyrot
2021-08-01  7:38     ` [PATCH v4 5/5] powerpc: wii_defconfig: Enable OTP by default Emmanuel Gil Peyrot
2021-08-10 10:57     ` [PATCH v4 0/5] nvmem: nintendo-otp: Add new driver for the Wii and Wii U OTP Srinivas Kandagatla

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