Hi Scott, Eduardo indicated that "calibration" property should add "fsl" prefix. I updated the patch. Any other comments? If not I will send V3 soon. Thanks. --- Best Regards, Hongtao > -----Original Message----- > From: Jia Hongtao [mailto:hongtao.jia@xxxxxxxxxxxxx] > Sent: Wednesday, April 15, 2015 4:18 PM > To: Wood Scott-B07421 > Cc: linuxppc-dev@xxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; > robh+dt@xxxxxxxxxx; rui.zhang@xxxxxxxxx; Jia Hongtao-B38951 > Subject: [PATCH V2] QorIQ/TMU: add TMU node to device tree for QorIQ > T104x > > This is Thermal Monitoring Unit for QorIQ platform. > > Signed-off-by: Jia Hongtao <hongtao.jia@xxxxxxxxxxxxx> > --- > Changes from V1: > * Provide more details on compatible and calibration properties. > > .../devicetree/bindings/thermal/qoriq-thermal.txt | 68 > ++++++++++++++++++ > arch/powerpc/boot/dts/fsl/qoriq-tmu-t104xsi.dtsi | 82 > ++++++++++++++++++++++ > arch/powerpc/boot/dts/fsl/t1040si-post.dtsi | 1 + > 3 files changed, 151 insertions(+) > create mode 100644 Documentation/devicetree/bindings/thermal/qoriq- > thermal.txt > create mode 100644 arch/powerpc/boot/dts/fsl/qoriq-tmu-t104xsi.dtsi > > diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt > b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt > new file mode 100644 > index 0000000..48e7fff > --- /dev/null > +++ b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt > @@ -0,0 +1,68 @@ > +* 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. > +- calibration : Calibration table for TMU. This is required to determine > + what a specific sensor reading translates to in degrees Celsius. > + There are four calibration config 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>; > + calibration = <0x00000000 0x0000000f > + 0x00000001 0x00000017 > + 0x00000002 0x0000001e > + 0x00000003 0x00000026 > + 0x00000004 0x0000002e > + 0x00000005 0x00000035 > + 0x00000006 0x0000003d > + 0x00000007 0x00000044 > + 0x00000008 0x0000004c > + 0x00000009 0x00000053 > + 0x0000000a 0x0000005b > + 0x0000000b 0x00000062 > + > + 0x00010000 0x00000011 > + 0x00010001 0x00000019 > + 0x00010002 0x00000021 > + 0x00010003 0x0000002a > + 0x00010004 0x00000032 > + 0x00010005 0x0000003a > + 0x00010006 0x00000042 > + 0x00010007 0x0000004b > + 0x00010008 0x00000053 > + 0x00010009 0x0000005b > + 0x0001000a 0x00000063 > + > + 0x00020000 0x00000012 > + 0x00020001 0x0000001b > + 0x00020002 0x00000024 > + 0x00020003 0x0000002c > + 0x00020004 0x00000035 > + 0x00020005 0x0000003d > + 0x00020006 0x00000046 > + 0x00020007 0x0000004e > + 0x00020008 0x00000057 > + > + 0x00030000 0x00000009 > + 0x00030001 0x00000011 > + 0x00030002 0x00000019 > + 0x00030003 0x00000021 > + 0x00030004 0x00000029 > + 0x00030005 0x00000031 > + 0x00030006 0x00000039 > + 0x00030007 0x00000041>; > +}; > diff --git a/arch/powerpc/boot/dts/fsl/qoriq-tmu-t104xsi.dtsi > b/arch/powerpc/boot/dts/fsl/qoriq-tmu-t104xsi.dtsi > new file mode 100644 > index 0000000..d85c77d > --- /dev/null > +++ b/arch/powerpc/boot/dts/fsl/qoriq-tmu-t104xsi.dtsi > @@ -0,0 +1,82 @@ > +/* > + * QorIQ TMU device tree stub [ controller @ offset 0xf0000 ] > + * > + * Copyright 2015 Freescale Semiconductor Inc. > + * > + * Redistribution and use in source and binary forms, with or without > + * modification, are permitted provided that the following conditions > are met: > + * * Redistributions of source code must retain the above copyright > + * notice, this list of conditions and the following disclaimer. > + * * Redistributions in binary form must reproduce the above > copyright > + * notice, this list of conditions and the following disclaimer in > the > + * documentation and/or other materials provided with the > distribution. > + * * Neither the name of Freescale Semiconductor nor the > + * names of its contributors may be used to endorse or promote > products > + * derived from this software without specific prior written > permission. > + * > + * > + * ALTERNATIVELY, this software may be distributed under the terms of > the > + * GNU General Public License ("GPL") as published by the Free Software > + * Foundation, either version 2 of that License or (at your option) any > + * later version. > + * > + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND > ANY > + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE > IMPLIED > + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE > ARE > + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR > ANY > + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL > DAMAGES > + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR > SERVICES; > + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER > CAUSED AND > + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR > TORT > + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE > OF THIS > + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. > + */ > + > +tmu@f0000 { > + compatible = "fsl,qoriq-tmu"; > + reg = <0xf0000 0x1000>; > + interrupts = <18 2 0 0>; > + calibration = <0x00000000 0x0000000f > + 0x00000001 0x00000017 > + 0x00000002 0x0000001e > + 0x00000003 0x00000026 > + 0x00000004 0x0000002e > + 0x00000005 0x00000035 > + 0x00000006 0x0000003d > + 0x00000007 0x00000044 > + 0x00000008 0x0000004c > + 0x00000009 0x00000053 > + 0x0000000a 0x0000005b > + 0x0000000b 0x00000062 > + > + 0x00010000 0x00000011 > + 0x00010001 0x00000019 > + 0x00010002 0x00000021 > + 0x00010003 0x0000002a > + 0x00010004 0x00000032 > + 0x00010005 0x0000003a > + 0x00010006 0x00000042 > + 0x00010007 0x0000004b > + 0x00010008 0x00000053 > + 0x00010009 0x0000005b > + 0x0001000a 0x00000063 > + > + 0x00020000 0x00000012 > + 0x00020001 0x0000001b > + 0x00020002 0x00000024 > + 0x00020003 0x0000002c > + 0x00020004 0x00000035 > + 0x00020005 0x0000003d > + 0x00020006 0x00000046 > + 0x00020007 0x0000004e > + 0x00020008 0x00000057 > + > + 0x00030000 0x00000009 > + 0x00030001 0x00000011 > + 0x00030002 0x00000019 > + 0x00030003 0x00000021 > + 0x00030004 0x00000029 > + 0x00030005 0x00000031 > + 0x00030006 0x00000039 > + 0x00030007 0x00000041>; > +}; > diff --git a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi > b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi > index 15ae462..bb9f792 100644 > --- a/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi > +++ b/arch/powerpc/boot/dts/fsl/t1040si-post.dtsi > @@ -345,6 +345,7 @@ > reg = <0xea000 0x4000>; > }; > > +/include/ "qoriq-tmu-t104xsi.dtsi" > /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
