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Message-ID: <1532517111.6124.38.camel@toradex.com>
Date:   Wed, 25 Jul 2018 11:11:52 +0000
From:   Marcel Ziswiler <marcel.ziswiler@...adex.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
CC:     "jonathanh@...dia.com" <jonathanh@...dia.com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "thierry.reding@...il.com" <thierry.reding@...il.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>
Subject: Re: [PATCH 22/28] ARM: tegra: apalis_t30: add i2c-thermtrip

On Sun, 2018-07-22 at 18:49 +0200, Marcel Ziswiler wrote:
> From: Marcel Ziswiler <marcel.ziswiler@...adex.com>
> 
> Add i2c-thermtrip which would set the DEV_OFF bit in the DCDC control
> register of the TPS65911 PMIC.
> 
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler@...adex.com>
> 
> ---
> 
>  arch/arm/boot/dts/tegra30-apalis.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/tegra30-apalis.dtsi
> b/arch/arm/boot/dts/tegra30-apalis.dtsi
> index 4e8ea1a8d9ec..f8caf3f07fff 100644
> --- a/arch/arm/boot/dts/tegra30-apalis.dtsi
> +++ b/arch/arm/boot/dts/tegra30-apalis.dtsi
> @@ -1055,6 +1055,14 @@
>  		nvidia,core-pwr-off-time = <0>;
>  		nvidia,core-power-req-active-high;
>  		nvidia,sys-clock-req-active-high;
> +
> +		/* Set DEV_OFF bit in DCDC control register of
> TPS65911 PMIC */
> +		i2c-thermtrip {
> +			nvidia,i2c-controller-id = <4>;
> +			nvidia,bus-addr = <0x2d>;
> +			nvidia,reg-addr = <0x3e>;

When running some more tests I just realized that the reg-addr should
really be 0x3f instead. Will change this in a v2.

> +			nvidia,reg-data = <0x1>;
> +		};
>  	};
>  
>  	ahub@...80000 {

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