Hi Scott, Patch updated to V3, please help to review. Thanks. --- Best Regards, Hongtao > -----Original Message----- > From: Jia Hongtao [mailto:hongtao.jia@xxxxxxxxxxxxx] > Sent: Thursday, June 11, 2015 3:53 PM > To: Wood Scott-B07421 > Cc: linuxppc-dev@xxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; > robh+dt@xxxxxxxxxx; edubezval@xxxxxxxxx; Jia Hongtao-B38951 > Subject: [PATCH V3] QorIQ/TMU: add TMU node to device tree for QorIQ > T1040 > > This is Thermal Monitoring Unit for QorIQ platform. > > Signed-off-by: Jia Hongtao <hongtao.jia@xxxxxxxxxxxxx> > --- > Changes of V3: > * Put TMU node directly into t1040si-post.dtsi file. > * Add "fsl,tmu-range" property. > * Change "calibration" property to "fsl,tmu-calibration". > * Update the calibration data. > > Changes of V2: > * Provide more details on compatible and calibration properties. > > .../devicetree/bindings/thermal/qoriq-thermal.txt | 63 > ++++++++++++++++++++++ > arch/powerpc/boot/dts/fsl/t1040si-post.dtsi | 42 +++++++++++++++ > 2 files changed, 105 insertions(+) > create mode 100644 Documentation/devicetree/bindings/thermal/qoriq- > thermal.txt > > diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt > b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt > new file mode 100644 > index 0000000..2bc9cb3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt > @@ -0,0 +1,63 @@ > +* Thermal Monitoring Unit (TMU) on Freescale QorIQ SoCs > + > +Required properties: > +- compatible : Must include "fsl,qoriq-tmu". The version of the device > is > + determined by the TMU IP Block Revision Register (IPBRR0) at > + offset 0x0BF8. > + Table of correspondences between IPBRR0 values and example chips: > + Value Device > + ---------- ----- > + 0x01900102 T1040 > +- reg : Address range of TMU registers. > +- interrupts : Contains the interrupt for TMU. > +- fsl,tmu-range : Temperature range for TMU. Including the starting > + temperature and number of calibration points for each range. > +- fsl,tmu-calibration : Calibration table for TMU. This is required to > + determine what a specific sensor reading translates to in degrees > + Celsius. There are four calibration ranges, for each range we need > + a couple of calibration data formatted like <TTCFGR, TSCFGR>. > + Freescale provides the data required. > + > +Example: > + > +tmu@f0000 { > + compatible = "fsl,qoriq-tmu"; > + reg = <0xf0000 0x1000>; > + interrupts = <18 2 0 0>; > + fsl,tmu-range = <0x000a0000 0x00090026 0x0008004a 0x0001006a>; > + fsl,tmu-calibration = <0x00000000 0x00000025 > + 0x00000001 0x00000028 > + 0x00000002 0x0000002d > + 0x00000003 0x00000031 > + 0x00000004 0x00000036 > + 0x00000005 0x0000003a > + 0x00000006 0x00000040 > + 0x00000007 0x00000044 > + 0x00000008 0x0000004a > + 0x00000009 0x0000004f > + 0x0000000a 0x00000054 > + > + 0x00010000 0x0000000d > + 0x00010001 0x00000013 > + 0x00010002 0x00000019 > + 0x00010003 0x0000001f > + 0x00010004 0x00000025 > + 0x00010005 0x0000002d > + 0x00010006 0x00000033 > + 0x00010007 0x00000043 > + 0x00010008 0x0000004b > + 0x00010009 0x00000053 > + > + 0x00020000 0x00000010 > + 0x00020001 0x00000017 > + 0x00020002 0x0000001f > + 0x00020003 0x00000029 > + 0x00020004 0x00000031 > + 0x00020005 0x0000003c > + 0x00020006 0x00000042 > + 0x00020007 0x0000004d > + 0x00020008 0x00000056 > + > + 0x00030000 0x00000012 > + 0x00030001 0x0000001d>; > +}; > diff --git a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi > b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi > index 5cc01be..6d9ca4d 100644 > --- a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi > +++ b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi > @@ -407,6 +407,48 @@ > reg = <0xea000 0x4000>; > }; > > + tmu@f0000 { > + compatible = "fsl,qoriq-tmu"; > + reg = <0xf0000 0x1000>; > + interrupts = <18 2 0 0>; > + fsl,tmu-range = <0x000a0000 0x00090026 0x0008004a 0x0001006a>; > + fsl,tmu-calibration = <0x00000000 0x00000025 > + 0x00000001 0x00000028 > + 0x00000002 0x0000002d > + 0x00000003 0x00000031 > + 0x00000004 0x00000036 > + 0x00000005 0x0000003a > + 0x00000006 0x00000040 > + 0x00000007 0x00000044 > + 0x00000008 0x0000004a > + 0x00000009 0x0000004f > + 0x0000000a 0x00000054 > + > + 0x00010000 0x0000000d > + 0x00010001 0x00000013 > + 0x00010002 0x00000019 > + 0x00010003 0x0000001f > + 0x00010004 0x00000025 > + 0x00010005 0x0000002d > + 0x00010006 0x00000033 > + 0x00010007 0x00000043 > + 0x00010008 0x0000004b > + 0x00010009 0x00000053 > + > + 0x00020000 0x00000010 > + 0x00020001 0x00000017 > + 0x00020002 0x0000001f > + 0x00020003 0x00000029 > + 0x00020004 0x00000031 > + 0x00020005 0x0000003c > + 0x00020006 0x00000042 > + 0x00020007 0x0000004d > + 0x00020008 0x00000056 > + > + 0x00030000 0x00000012 > + 0x00030001 0x0000001d>; > + }; > + > /include/ "elo3-dma-0.dtsi" > /include/ "elo3-dma-1.dtsi" > /include/ "qoriq-espi-0.dtsi" > -- > 2.1.0.27.g96db324 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
