Re: [PATCH 15/26] ARM: tegra: colibri_t30: add i2c-thermtrip

Marcel Ziswiler
2018-07-25T11:14:38Z

On Mon, 2018-07-23 at 14:36 +0200, Marcel Ziswiler wrote:
> From: Marcel Ziswiler <marcel.ziswiler@toradex.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@toradex.com>
>
> ---
>
> arch/arm/boot/dts/tegra30-colibri.dtsi | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm/boot/dts/tegra30-colibri.dtsi
> b/arch/arm/boot/dts/tegra30-colibri.dtsi
> index 8266e42e1630..6608243e1d55 100644
> --- a/arch/arm/boot/dts/tegra30-colibri.dtsi
> +++ b/arch/arm/boot/dts/tegra30-colibri.dtsi
> @@ -902,6 +902,14 @@
> 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@70080000 {