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.w...@rock-chips.com>
Reviewed-by: Dmitry Torokhov <dmitry.torok...@gmail.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@ff280000 {
> + 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@ff500000 {
> 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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