diff options
| author | Hongtao Jia <hongtao.jia@freescale.com> | 2015-11-24 14:52:44 +0800 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-12-23 22:21:10 -0600 |
| commit | 2330770797afa822652b541d81a17f0e04bcf598 (patch) | |
| tree | 826776dae7b895a5daba5f4b990a7d6d90988c33 /Documentation/devicetree/bindings/thermal | |
| parent | 479f6a7fc64722d82e24db15b2d6ae7f2882377a (diff) | |
dt-bindings: Add QorIQ TMU thermal bindings
Add bindings documentation for TMU (Thermal Monitoring Unit) on QorIQ
platform.
Signed-off-by: Jia Hongtao <hongtao.jia@freescale.com>
Reviewed-by: Scott Wood <scottwood@freescale.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'Documentation/devicetree/bindings/thermal')
| -rw-r--r-- | Documentation/devicetree/bindings/thermal/qoriq-thermal.txt | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt new file mode 100644 index 000000000000..66223d561972 --- /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 : The values to be programmed into TTRnCR, as specified by + the SoC reference manual. The first cell is TTR0CR, the second is + TTR1CR, etc. +- fsl,tmu-calibration : A list of cell pairs containing temperature + calibration data, as specified by the SoC reference manual. + The first cell of each pair is the value to be written to TTCFGR, + and the second is the value to be written to TSCFGR. + +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>; +}; |