linux-kernel - Re: [PATCH v14 4/5] ARM: dts: add main Thermal info to rk3288

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Message-ID: <20141028002555.GH7594@dtor-ws>
Date:	Mon, 27 Oct 2014 17:25:55 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Caesar Wang <caesar.wang@...k-chips.com>
Cc:	heiko@...ech.de, rui.zhang@...el.com, edubezval@...il.com,
	zyf@...k-chips.com, dianders@...omium.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	cf@...k-chips.com, dbasehore@...omium.org, huangtao@...k-chips.com,
	cjf@...k-chips.com, zhengsq@...k-chips.com
Subject: Re: [PATCH v14 4/5] ARM: dts: add main Thermal info to rk3288

On Mon, Oct 27, 2014 at 10:39:47AM +0800, Caesar Wang wrote:
> This patch is depend on rk3288-thermal.dtsi,or
> it will compile error.
> 
> If for some reason we are unable to shut it down
> in orderly fashion (kernel is stuck holding a lock or
> similar), then hardware TSHUT will reset it.
> 
> If the temperature over a period of time High,over 125C
> the resulting TSHUT gave CRU module,let it reset
> the entire chip,or via GPIO give PMIC.
> 
> Signed-off-by: Caesar Wang <caesar.wang@...k-chips.com>

Reviewed-by: Dmitry Torokhov <dmitry.torokhov@...il.com>

> ---
>  arch/arm/boot/dts/rk3288.dtsi | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
> index cb18bb4..85855a6 100644
> --- a/arch/arm/boot/dts/rk3288.dtsi
> +++ b/arch/arm/boot/dts/rk3288.dtsi
> @@ -15,6 +15,7 @@
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/pinctrl/rockchip.h>
>  #include <dt-bindings/clock/rk3288-cru.h>
> +#include <dt-bindings/thermal/thermal.h>
>  #include "skeleton.dtsi"
>  
>  / {
> @@ -66,6 +67,7 @@
>  				 216000  900000
>  				 126000  900000
>  			>;
> +			#cooling-cells = <2>; /* min followed by max */
>  			clock-latency = <40000>;
>  			clocks = <&cru ARMCLK>;
>  		};
> @@ -346,6 +348,23 @@
>  		status = "disabled";
>  	};
>  
> +	thermal-zones {
> +		#include "rk3288-thermal.dtsi"
> +	};
> +
> +	tsadc: tsadc@...80000 {
> +		compatible = "rockchip,rk3288-tsadc";
> +		reg = <0xff280000 0x100>;
> +		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
> +		clock-names = "tsadc", "apb_pclk";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&otp_out>;
> +		#thermal-sensor-cells = <1>;
> +		hw-shut-temp = <125000>;
> +		status = "disabled";
> +	};
> +
>  	usb_host0_ehci: usb@...00000 {
>  		compatible = "generic-ehci";
>  		reg = <0xff500000 0x100>;
> @@ -965,6 +984,12 @@
>  			};
>  		};
>  
> +		tsadc {
> +			otp_out: otp-out {
> +				rockchip,pins = <0 10 RK_FUNC_1 &pcfg_pull_none>;
> +			};
> +		};
> +
>  		pwm0 {
>  			pwm0_pin: pwm0-pin {
>  				rockchip,pins = <7 0 RK_FUNC_1 &pcfg_pull_none>;
> -- 
> 1.9.1
> 
> 

-- 
Dmitry
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