This adds the support of Temperature Monitor (TMON) driver for Broadcom bcm281xx SoCs to the DT node. This also adds the thermal framework device-tree binding such that TMON driver can be used within the thermal framework.
Signed-off-by: Wendy Ng <[email protected]> Reviewed-by: Markus Mayer <[email protected]> Reviewed-by: Christian Daudt <[email protected]> Reviewed-by: Matt Porter <[email protected]> Reviewed-by: Tim Kryger <[email protected]> --- arch/arm/boot/dts/bcm11351-brt.dts | 4 ++++ arch/arm/boot/dts/bcm11351.dtsi | 29 +++++++++++++++++++++++++++++ arch/arm/boot/dts/bcm28155-ap.dts | 4 ++++ 3 files changed, 37 insertions(+) diff --git a/arch/arm/boot/dts/bcm11351-brt.dts b/arch/arm/boot/dts/bcm11351-brt.dts index 5a269c7..c24fd12 100644 --- a/arch/arm/boot/dts/bcm11351-brt.dts +++ b/arch/arm/boot/dts/bcm11351-brt.dts @@ -43,6 +43,10 @@ status = "okay"; }; + tmon: tmon@34008000 { + status = "okay"; + }; + usbotg@3f120000 { status = "okay"; }; diff --git a/arch/arm/boot/dts/bcm11351.dtsi b/arch/arm/boot/dts/bcm11351.dtsi index 29987e2..0f17beb 100644 --- a/arch/arm/boot/dts/bcm11351.dtsi +++ b/arch/arm/boot/dts/bcm11351.dtsi @@ -13,6 +13,7 @@ #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/thermal/thermal.h> #include "skeleton.dtsi" @@ -25,6 +26,24 @@ bootargs = "console=ttyS0,115200n8"; }; + thermal-zones { + cpu_thermal: cpu_thermal { + polling-delay-passive = <250>; /* msec */ + polling-delay = <1000>; /* msec */ + + /* sensor */ + thermal-sensors = <&tmon>; + + trips { + cpu_crit: cpu_crit { + temperature = <105000>; /* mCelsius */ + hysteresis = <2000>; /* mCelsius */ + type = THERMAL_TRIP_CRITICAL; + }; + }; + }; + }; + gic: interrupt-controller@3ff00100 { compatible = "arm,cortex-a9-gic"; #interrupt-cells = <3>; @@ -285,6 +304,15 @@ }; }; + tmon: tmon@34008000 { + compatible = "brcm,bcm11351-tmon", "brcm,kona-tmon"; + reg = <0x34008000 0x0024>; + clocks = <&tmon_1m_clk>; + interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>; + #thermal-sensor-cells = <0>; + status = "disabled"; + }; + usbotg: usbotg@3f120000 { compatible = "snps,dwc2"; reg = <0x3f120000 0x10000>; @@ -305,4 +333,5 @@ compatible = "brcm,kona-usb2"; status = "disabled"; }; + }; diff --git a/arch/arm/boot/dts/bcm28155-ap.dts b/arch/arm/boot/dts/bcm28155-ap.dts index 02ebaaf..7151c25 100644 --- a/arch/arm/boot/dts/bcm28155-ap.dts +++ b/arch/arm/boot/dts/bcm28155-ap.dts @@ -63,6 +63,10 @@ status = "okay"; }; + tmon: tmon@34008000 { + status = "okay"; + }; + usbotg@3f120000 { status = "okay"; }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
