| Message ID | 1464937059-19349-1-git-send-email-hongtao.jia@nxp.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
On Fri, Jun 03, 2016 at 02:57:33PM +0800, Jia Hongtao wrote: > For different types of SoC the sensor id and endianness may vary. > "#thermal-sensor-cells" is used to provide sensor id information. > "little-endian" property is to tell the endianness of TMU. > > Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com> > --- > .../devicetree/bindings/thermal/qoriq-thermal.txt | 19 +++++++++++++------ > 1 file changed, 13 insertions(+), 6 deletions(-) > > diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt > index 66223d5..8eeef80 100644 > --- a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt > +++ b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt > @@ -1,22 +1,28 @@ > * Thermal Monitoring Unit (TMU) on Freescale QorIQ SoCs > > Required properties: > -- compatible : Must include "fsl,qoriq-tmu". The version of the device is > +- compatible: Must include "fsl,qoriq-tmu". The version of the device is Please split functional changes from formatting changes. This one seems pretty pointless. > determined by the TMU IP Block Revision Register (IPBRR0) at > offset 0x0BF8. > - Table of correspondences between IPBRR0 values and example chips: > + 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 > +- 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 > +- 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. > +- #thermal-sensor-cells: Must be 1. The sensor specifier is the monitoring > + site ID, and represents the "n" in TRITSRn and TRATSRn. > + > +Optional property: > +- little-endian: If present, the TMU registers are little endian. If absent, > + the default is big endian. > > Example: > > @@ -60,4 +66,5 @@ tmu@f0000 { > > 0x00030000 0x00000012 > 0x00030001 0x0000001d>; > + #thermal-sensor-cells = <1>; > }; > -- > 2.1.0.27.g96db324 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt index 66223d5..8eeef80 100644 --- a/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt +++ b/Documentation/devicetree/bindings/thermal/qoriq-thermal.txt @@ -1,22 +1,28 @@ * Thermal Monitoring Unit (TMU) on Freescale QorIQ SoCs Required properties: -- compatible : Must include "fsl,qoriq-tmu". The version of the device is +- 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: + 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 +- 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 +- 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. +- #thermal-sensor-cells: Must be 1. The sensor specifier is the monitoring + site ID, and represents the "n" in TRITSRn and TRATSRn. + +Optional property: +- little-endian: If present, the TMU registers are little endian. If absent, + the default is big endian. Example: @@ -60,4 +66,5 @@ tmu@f0000 { 0x00030000 0x00000012 0x00030001 0x0000001d>; + #thermal-sensor-cells = <1>; };
For different types of SoC the sensor id and endianness may vary. "#thermal-sensor-cells" is used to provide sensor id information. "little-endian" property is to tell the endianness of TMU. Signed-off-by: Jia Hongtao <hongtao.jia@nxp.com> --- .../devicetree/bindings/thermal/qoriq-thermal.txt | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-)