RE: [PATCH V2] QorIQ/TMU: add TMU node to device tree for QorIQ T104x
From: Hongtao Jia <hidden>
Date: 2015-05-26 06:33:16
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
quoted hunk
-----Original Message----- From: Jia Hongtao [mailto:hongtao.jia@freescale.com] Sent: Wednesday, April 15, 2015 4:18 PM To: Wood Scott-B07421 Cc: linuxppc-dev@lists.ozlabs.org; devicetree@vger.kernel.org; robh+dt@kernel.org; rui.zhang@intel.com; Jia Hongtao-B38951 Subject: [PATCH V2] QorIQ/TMU: add TMU node to device tree for QorIQ T104x =20 This is Thermal Monitoring Unit for QorIQ platform. =20 Signed-off-by: Jia Hongtao <redacted> --- Changes from V1: * Provide more details on compatible and calibration properties. =20 .../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 =20diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txtb/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 deviceis + 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 =3D "fsl,qoriq-tmu"; + reg =3D <0xf0000 0x1000>; + interrupts =3D <18 2 0 0>; + calibration =3D <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.dtsib/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 conditionsare 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 =3D "fsl,qoriq-tmu"; + reg =3D <0xf0000 0x1000>; + interrupts =3D <18 2 0 0>; + calibration =3D <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.dtsib/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 =3D <0xea000 0x4000>; };=20 +/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