From: Rob Herring <robh@kernel•org>
To: Stefan Wahren <wahrenst@gmx•net>
Cc: Mark Rutland <mark.rutland@arm•com>,
devicetree@vger•kernel.org,
Amit Kucheria <amit.kucheria@verdurent•com>,
Florian Fainelli <f.fainelli@gmail•com>,
linux-pm@vger•kernel.org,
Catalin Marinas <catalin.marinas@arm•com>,
Daniel Lezcano <daniel.lezcano@linaro•org>,
Eduardo Valentin <edubezval@gmail•com>,
Eric Anholt <eric@anholt•net>,
bcm-kernel-feedback-list@broadcom•com,
Markus Mayer <mmayer@broadcom•com>,
Zhang Rui <rui.zhang@intel•com>, Chen-Yu Tsai <wens@kernel•org>,
Will Deacon <will@kernel•org>,
linux-arm-kernel@lists•infradead.org
Subject: Re: [PATCH 1/4] dt-bindings: Add BCM2711 thermal
Date: Tue, 5 Nov 2019 22:21:07 -0600 [thread overview]
Message-ID: <20191106042107.GA27699@bogus> (raw)
In-Reply-To: <1572615749-9524-2-git-send-email-wahrenst@gmx.net>
On Fri, Nov 01, 2019 at 02:42:26PM +0100, Stefan Wahren wrote:
> Since the BCM2711 doesn't have a AVS TMON block, the thermal information
> must be retrieved from the AVS ring oscillator block. So add a new
> suitable binding.
Anything else in that block?
>
> Signed-off-by: Stefan Wahren <wahrenst@gmx•net>
> ---
> .../bindings/thermal/brcm,bcm2711-thermal.txt | 39 ++++++++++++++++++++++
> 1 file changed, 39 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/thermal/brcm,bcm2711-thermal.txt
>
> diff --git a/Documentation/devicetree/bindings/thermal/brcm,bcm2711-thermal.txt b/Documentation/devicetree/bindings/thermal/brcm,bcm2711-thermal.txt
> new file mode 100644
> index 0000000..5531d3f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/thermal/brcm,bcm2711-thermal.txt
> @@ -0,0 +1,39 @@
> +Binding for Thermal Sensor driver for BCM2711 SoCs.
> +
> +Required properties:
> +- compatible: must be: "brcm,bcm2711-thermal"
If the block is called 'AVS ring oscillator', then the compatible name
should mirror that.
> +- reg: Address range of the thermal registers.
> +- clocks: Phandle of the clock used by the thermal sensor.
> +- #thermal-sensor-cells: should be 0 (see thermal.txt)
> +
> +Example:
> +
> +thermal-zones {
> + cpu_thermal: cpu-thermal {
> + polling-delay-passive = <0>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&thermal>;
> +
> + trips {
> + cpu-crit {
> + temperature = <80000>;
> + hysteresis = <0>;
> + type = "critical";
> + };
> + };
> +
> + coefficients = <(-487) 410040>;
> +
> + cooling-maps {
> + };
> + };
> +};
> +
> +thermal@7d5d2200 {
> + compatible = "brcm,bcm2711-thermal";
> + reg = <0x7d5d2200 0x4>;
> + clocks = <&clocks BCM2835_CLOCK_TSENS>;
> + #thermal-sensor-cells = <0>;
> +};
> +
> --
> 2.7.4
>
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next prev parent reply other threads:[~2019-11-06 4:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-01 13:42 [PATCH 0/4] ARM: Enable thermal support for Raspberry Pi 4 Stefan Wahren
2019-11-01 13:42 ` [PATCH 1/4] dt-bindings: Add BCM2711 thermal Stefan Wahren
2019-11-06 4:21 ` Rob Herring [this message]
2019-11-06 4:41 ` Florian Fainelli
2019-11-07 19:26 ` Stefan Wahren
2019-11-01 13:42 ` [PATCH 2/4] thermal: Add BCM2711 thermal driver Stefan Wahren
2019-11-01 13:42 ` [PATCH 3/4] ARM: dts: bcm2711: Enable thermal Stefan Wahren
2019-11-01 13:42 ` [PATCH 4/4] ARM: configs: Build BCM2711 thermal as module Stefan Wahren
2019-11-02 20:08 ` [PATCH 0/4] ARM: Enable thermal support for Raspberry Pi 4 Florian Fainelli
2019-11-03 8:43 ` Stefan Wahren
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