[RFC 0/3] thermal: broadcom: complete and extend to NSP

[RFC 0/3] thermal: broadcom: complete and extend to NSP

[Jon Mason]

This patch series is intended to complete the implementation submitted
in http://www.spinics.net/lists/devicetree/msg168813.html
It lacked the Kconfig select options and DT bindings for BCM5301X.
Also, it did not allow for NSP to be selected.  This series addresses
that.

I'm sending this as an RFC, as that series has not been included (or
reviewed) yet.  If Rafal wants to include these in a v2 of his series,
then I am agreeable with that.


Jon Mason (3):
  thermal: broadcom: Allow for NSP to use ns-thermal driver
  ARM: dts: NSP: Add Thermal Support
  ARM: dts: BCM5301X: Add Thermal Support

 arch/arm/boot/dts/bcm-nsp.dtsi   | 15 +++++++++++++++
 arch/arm/boot/dts/bcm5301x.dtsi  | 15 +++++++++++++++
 arch/arm/mach-bcm/Kconfig        |  2 ++
 drivers/thermal/broadcom/Kconfig |  2 +-
 4 files changed, 33 insertions(+), 1 deletion(-)

-- 
2.7.4

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[RFC 1/3] thermal: broadcom: Allow for NSP to use ns-thermal driver

[Jon Mason]

Change the iProc Kconfig to select THERMAL and THERMAL_OF, which allows
the ns-thermal driver to be selected via menuconfig.  Also, change the
ns-thermal driver to work on any iProc based SoC.

Signed-off-by: Jon Mason <jon.mason-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
---
 arch/arm/mach-bcm/Kconfig        | 2 ++
 drivers/thermal/broadcom/Kconfig | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index f9389c5..b96840a 100644
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -19,6 +19,8 @@ config ARCH_BCM_IPROC
 	select GPIOLIB
 	select ARM_AMBA
 	select PINCTRL
+	select THERMAL
+	select THERMAL_OF
 	help
 	  This enables support for systems based on Broadcom IPROC architected SoCs.
 	  The IPROC complex contains one or more ARM CPUs along with common
diff --git a/drivers/thermal/broadcom/Kconfig b/drivers/thermal/broadcom/Kconfig
index 08457a4..39b92a1 100644
--- a/drivers/thermal/broadcom/Kconfig
+++ b/drivers/thermal/broadcom/Kconfig
@@ -1,6 +1,6 @@
 config BCM_NS_THERMAL
 	tristate "Northstar thermal driver"
-	depends on ARCH_BCM_5301X || COMPILE_TEST
+	depends on ARCH_BCM_IPROC || COMPILE_TEST
 	help
 	  Northstar's DMU (Device Management Unit) block contains a thermal
 	  sensor that allows checking CPU temperature. This driver provides
-- 
2.7.4

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[RFC 2/3] ARM: dts: NSP: Add Thermal Support

[Jon Mason]

Add thermal support via the ns-thermal driver and create a single
thermal zone for the entire SoC.

Signed-off-by: Jon Mason <jon.mason-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
---
 arch/arm/boot/dts/bcm-nsp.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
index 37076a2..89eb470 100644
--- a/arch/arm/boot/dts/bcm-nsp.dtsi
+++ b/arch/arm/boot/dts/bcm-nsp.dtsi
@@ -398,6 +398,12 @@
 			      <0x3f408 0x04>;
 		};
 
+		pvtmon: thermal@3f2c0 {
+			compatible = "brcm,ns-thermal";
+			reg = <0x3f2c0 0x10>;
+			#thermal-sensor-cells = <0>;
+		};
+
 		sata_phy: sata_phy@40100 {
 			compatible = "brcm,iproc-nsp-sata-phy";
 			reg = <0x40100 0x340>;
@@ -548,4 +554,13 @@
 			brcm,pcie-msi-inten;
 		};
 	};
+
+	thermal-zones {
+		soc {
+			polling-delay-passive = <100>; /* milliseconds */
+			polling-delay = <5000>; /* milliseconds */
+
+			thermal-sensors = <&pvtmon>;
+		};
+	};
 };
-- 
2.7.4

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[RFC 3/3] ARM: dts: BCM5301X: Add Thermal Support

[Jon Mason]

Add thermal support via the ns-thermal driver and create a single
thermal zone for the entire SoC.

Signed-off-by: Jon Mason <jon.mason@broadcom.com>
---
 arch/arm/boot/dts/bcm5301x.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
index ceca664..ba4bcef 100644
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -351,6 +351,12 @@
 				     "sata2";
 	};
 
+	pvtmon: thermal@1800c2c0 {
+		compatible = "brcm,ns-thermal";
+		reg = <0x1800c2c0 0x10>;
+		#thermal-sensor-cells = <0>;
+	};
+
 	srab: srab@18007000 {
 		compatible = "brcm,bcm5301x-srab";
 		reg = <0x18007000 0x1000>;
@@ -414,4 +420,13 @@
 			status = "disabled";
 		};
 	};
+
+	thermal-zones {
+		soc {
+			polling-delay-passive = <100>; /* milliseconds */
+			polling-delay = <5000>; /* milliseconds */
+
+			thermal-sensors = <&pvtmon>;
+		};
+	};
 };
-- 
2.7.4

Re: [RFC 0/3] thermal: broadcom: complete and extend to NSP

[Rafał Miłecki]

On 23 March 2017 at 20:18, Jon Mason <jon.mason-dY08KVG/lbpWk0Htik3J/w@public.gmane.org> wrote:
> This patch series is intended to complete the implementation submitted
> in http://www.spinics.net/lists/devicetree/msg168813.html
> It lacked the Kconfig select options and DT bindings for BCM5301X.
> Also, it did not allow for NSP to be selected.  This series addresses
> that.
>
> I'm sending this as an RFC, as that series has not been included (or
> reviewed) yet.  If Rafal wants to include these in a v2 of his series,
> then I am agreeable with that.

This sounds great, but I think dts changes should go through separated
(Florian's) tree. So my plan is to combine my patch with your 1/3.

Does it sound OK to you?
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Re: [RFC 0/3] thermal: broadcom: complete and extend to NSP

[Jon Mason]

On Thu, Mar 23, 2017 at 08:21:57PM +0100, Rafał Miłecki wrote:
> On 23 March 2017 at 20:18, Jon Mason <jon.mason@broadcom.com> wrote:
> > This patch series is intended to complete the implementation submitted
> > in http://www.spinics.net/lists/devicetree/msg168813.html
> > It lacked the Kconfig select options and DT bindings for BCM5301X.
> > Also, it did not allow for NSP to be selected.  This series addresses
> > that.
> >
> > I'm sending this as an RFC, as that series has not been included (or
> > reviewed) yet.  If Rafal wants to include these in a v2 of his series,
> > then I am agreeable with that.
> 
> This sounds great, but I think dts changes should go through separated
> (Florian's) tree. So my plan is to combine my patch with your 1/3.
> 
> Does it sound OK to you?

Sounds great.  I can send that as a follow-on, after your patch series
is accepted.

Thanks,
Jon

BTW, I mean to show the console output in my 0/3 email.  For NSP, it
is
# cat /sys/class/thermal/thermal_zone0/temp
46036