diff mbox series

[v4,4/6] thermal: tsens: Add support for SDM845

Message ID 43e3ae530334efab3fa0151430879f03731e9daa.1530533998.git.amit.kucheria@linaro.org
State Changes Requested, archived
Headers show
Series thermal: tsens: Refactoring for TSENSv2 IP | expand

Commit Message

Amit Kucheria July 2, 2018, 12:44 p.m. UTC
SDM845 uses v2.4.0 of the TSENS IP block but the get_temp() function
appears to be identical across v2.x.y in code seen so far. We use the
generic get_temp() function.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
---
 Documentation/devicetree/bindings/thermal/qcom-tsens.txt | 2 ++
 drivers/thermal/qcom/tsens-v2.c                          | 6 +++++-
 drivers/thermal/qcom/tsens.c                             | 6 ++++++
 drivers/thermal/qcom/tsens.h                             | 5 ++++-
 4 files changed, 17 insertions(+), 2 deletions(-)

Comments

Bjorn Andersson July 2, 2018, 6:51 p.m. UTC | #1
On Mon 02 Jul 05:44 PDT 2018, Amit Kucheria wrote:

> SDM845 uses v2.4.0 of the TSENS IP block but the get_temp() function
> appears to be identical across v2.x.y in code seen so far. We use the
> generic get_temp() function.
> 

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Regards,
Bjorn

> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
> ---
>  Documentation/devicetree/bindings/thermal/qcom-tsens.txt | 2 ++
>  drivers/thermal/qcom/tsens-v2.c                          | 6 +++++-
>  drivers/thermal/qcom/tsens.c                             | 6 ++++++
>  drivers/thermal/qcom/tsens.h                             | 5 ++++-
>  4 files changed, 17 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> index 06195e8..075182e 100644
> --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> @@ -5,6 +5,8 @@ Required properties:
>   - "qcom,msm8916-tsens" : For 8916 Family of SoCs
>   - "qcom,msm8974-tsens" : For 8974 Family of SoCs
>   - "qcom,msm8996-tsens" : For 8996 Family of SoCs
> + - "qcom,tsens-v2.4.0"  : For SDM845 Family of SoCs
> + - "qcom,tsens-v2"      : Generic fallback binding for any Soc using 2.x.y version of the tsens IP
>  
>  - reg: Address range of the thermal registers
>  - #thermal-sensor-cells : Should be 1. See ./thermal.txt for a description.
> diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c
> index 2eca7ff..1871945 100644
> --- a/drivers/thermal/qcom/tsens-v2.c
> +++ b/drivers/thermal/qcom/tsens-v2.c
> @@ -69,8 +69,12 @@ static const struct tsens_ops ops_generic_v2 = {
>  	.get_temp	= get_temp_tsens_v2,
>  };
>  
> +const struct tsens_data data_tsens_v2 = {
> +	.ops            = &ops_generic_v2,
> +};
> +
> +/* Kept around for backward compatibility with old msm8996.dtsi */
>  const struct tsens_data data_8996 = {
>  	.num_sensors	= 13,
>  	.ops		= &ops_generic_v2,
>  };
> -
> diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
> index 3440166c..992ed17 100644
> --- a/drivers/thermal/qcom/tsens.c
> +++ b/drivers/thermal/qcom/tsens.c
> @@ -72,6 +72,12 @@ static const struct of_device_id tsens_table[] = {
>  	}, {
>  		.compatible = "qcom,msm8996-tsens",
>  		.data = &data_8996,
> +	}, {
> +		.compatible = "qcom,tsens-v2.4.0",
> +		.data = &data_tsens_v2,
> +	}, {
> +		.compatible = "qcom,tsens-v2",
> +		.data = &data_tsens_v2,
>  	},
>  	{}
>  };
> diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
> index dc56e1e..69212cb 100644
> --- a/drivers/thermal/qcom/tsens.h
> +++ b/drivers/thermal/qcom/tsens.h
> @@ -87,6 +87,9 @@ void compute_intercept_slope(struct tsens_device *, u32 *, u32 *, u32);
>  int init_common(struct tsens_device *);
>  int get_temp_common(struct tsens_device *, int, int *);
>  
> -extern const struct tsens_data data_8916, data_8974, data_8960, data_8996;
> +/* TSENS v1 targets */
> +extern const struct tsens_data data_8916, data_8974, data_8960;
> +/* TSENS v2 targets */
> +extern const struct tsens_data data_8996, data_tsens_v2;
>  
>  #endif /* __QCOM_TSENS_H__ */
> -- 
> 2.7.4
> 
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Rob Herring July 3, 2018, 4:26 p.m. UTC | #2
On Mon, Jul 02, 2018 at 06:14:07PM +0530, Amit Kucheria wrote:
> SDM845 uses v2.4.0 of the TSENS IP block but the get_temp() function
> appears to be identical across v2.x.y in code seen so far. We use the
> generic get_temp() function.
> 
> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
> ---
>  Documentation/devicetree/bindings/thermal/qcom-tsens.txt | 2 ++
>  drivers/thermal/qcom/tsens-v2.c                          | 6 +++++-
>  drivers/thermal/qcom/tsens.c                             | 6 ++++++
>  drivers/thermal/qcom/tsens.h                             | 5 ++++-
>  4 files changed, 17 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> index 06195e8..075182e 100644
> --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> @@ -5,6 +5,8 @@ Required properties:
>   - "qcom,msm8916-tsens" : For 8916 Family of SoCs
>   - "qcom,msm8974-tsens" : For 8974 Family of SoCs
>   - "qcom,msm8996-tsens" : For 8996 Family of SoCs
> + - "qcom,tsens-v2.4.0"  : For SDM845 Family of SoCs
> + - "qcom,tsens-v2"      : Generic fallback binding for any Soc using 2.x.y version of the tsens IP

You need to show what are valid combinations of compatibles. Does v2 
apply to 8996? One valid combination per line.

Rob
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Amit Kucheria July 4, 2018, 5:26 p.m. UTC | #3
On Tue, Jul 3, 2018 at 9:56 PM, Rob Herring <robh@kernel.org> wrote:
> On Mon, Jul 02, 2018 at 06:14:07PM +0530, Amit Kucheria wrote:
>> SDM845 uses v2.4.0 of the TSENS IP block but the get_temp() function
>> appears to be identical across v2.x.y in code seen so far. We use the
>> generic get_temp() function.
>>
>> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
>> ---
>>  Documentation/devicetree/bindings/thermal/qcom-tsens.txt | 2 ++
>>  drivers/thermal/qcom/tsens-v2.c                          | 6 +++++-
>>  drivers/thermal/qcom/tsens.c                             | 6 ++++++
>>  drivers/thermal/qcom/tsens.h                             | 5 ++++-
>>  4 files changed, 17 insertions(+), 2 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
>> index 06195e8..075182e 100644
>> --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
>> +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
>> @@ -5,6 +5,8 @@ Required properties:
>>   - "qcom,msm8916-tsens" : For 8916 Family of SoCs
>>   - "qcom,msm8974-tsens" : For 8974 Family of SoCs
>>   - "qcom,msm8996-tsens" : For 8996 Family of SoCs
>> + - "qcom,tsens-v2.4.0"  : For SDM845 Family of SoCs
>> + - "qcom,tsens-v2"      : Generic fallback binding for any Soc using 2.x.y version of the tsens IP
>
> You need to show what are valid combinations of compatibles. Does v2
> apply to 8996? One valid combination per line.

I've restructured qcom-tsens.txt to look like this:

-----%<-------

* QCOM SoC Temperature Sensor (TSENS)

Required properties:
- compatible: must be one of the following:
    - "qcom,msm8916-tsens" (MSM8916)
    - "qcom,msm8974-tsens" (MSM8974)
    - "qcom,msm8996-tsens" (MSM8996)
    - "qcom,tsens-<ip_version>", "qcom,tsens-v2" (TSENS IP version and a
       generic v2 property as fallback except for MSM8996)

  Examples with ip_version are:
    - "qcom,tsens-v2.4.0", "qcom,tsens-v2" (SDM845)
    - "qcom,tsens-v2.2.1", "qcom,tsens-v2" (MSM8998)

-----%<-------

8996 would end up being something like this if needed, though we're
stuck with "qcom,msm8996-tsens":
"qcom,msm8996-tsens", "qcom,tsens-v2.1.0", "qcom,tsens-v2" (MSM8996)

If this looks good, I'll respin the patches.

Regards,
Amit
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Rob Herring July 5, 2018, 8:37 p.m. UTC | #4
On Wed, Jul 04, 2018 at 10:56:26PM +0530, Amit Kucheria wrote:
> On Tue, Jul 3, 2018 at 9:56 PM, Rob Herring <robh@kernel.org> wrote:
> > On Mon, Jul 02, 2018 at 06:14:07PM +0530, Amit Kucheria wrote:
> >> SDM845 uses v2.4.0 of the TSENS IP block but the get_temp() function
> >> appears to be identical across v2.x.y in code seen so far. We use the
> >> generic get_temp() function.
> >>
> >> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
> >> ---
> >>  Documentation/devicetree/bindings/thermal/qcom-tsens.txt | 2 ++
> >>  drivers/thermal/qcom/tsens-v2.c                          | 6 +++++-
> >>  drivers/thermal/qcom/tsens.c                             | 6 ++++++
> >>  drivers/thermal/qcom/tsens.h                             | 5 ++++-
> >>  4 files changed, 17 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> >> index 06195e8..075182e 100644
> >> --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> >> +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> >> @@ -5,6 +5,8 @@ Required properties:
> >>   - "qcom,msm8916-tsens" : For 8916 Family of SoCs
> >>   - "qcom,msm8974-tsens" : For 8974 Family of SoCs
> >>   - "qcom,msm8996-tsens" : For 8996 Family of SoCs
> >> + - "qcom,tsens-v2.4.0"  : For SDM845 Family of SoCs
> >> + - "qcom,tsens-v2"      : Generic fallback binding for any Soc using 2.x.y version of the tsens IP
> >
> > You need to show what are valid combinations of compatibles. Does v2
> > apply to 8996? One valid combination per line.
> 
> I've restructured qcom-tsens.txt to look like this:
> 
> -----%<-------
> 
> * QCOM SoC Temperature Sensor (TSENS)
> 
> Required properties:
> - compatible: must be one of the following:
>     - "qcom,msm8916-tsens" (MSM8916)
>     - "qcom,msm8974-tsens" (MSM8974)
>     - "qcom,msm8996-tsens" (MSM8996)
>     - "qcom,tsens-<ip_version>", "qcom,tsens-v2" (TSENS IP version and a
>        generic v2 property as fallback except for MSM8996)
> 
>   Examples with ip_version are:
>     - "qcom,tsens-v2.4.0", "qcom,tsens-v2" (SDM845)
>     - "qcom,tsens-v2.2.1", "qcom,tsens-v2" (MSM8998)
> 
> -----%<-------
> 
> 8996 would end up being something like this if needed, though we're
> stuck with "qcom,msm8996-tsens":
> "qcom,msm8996-tsens", "qcom,tsens-v2.1.0", "qcom,tsens-v2" (MSM8996)

3 versions here for 3 SoCs. I'm not getting that convinced version 
numbers really are better. I would assume that other QCom IP blocks 
have versions too, but pretty much *every* *other* binding uses SoC names. 
Why is this one special? The other problem with versions is the mapping 
of versions to SoCs most likely can't be validated outside of QCom 
unless there's a version register.

So, sorry to go in circles, but can you go back to qcom,<soc>-tsens. You 
can keep qcom,tsens-v2 as a fallback.

Yes, it's annoying to have to update bindings for new SoCs. But it's 
trivial one line patches. Look at Renesas bindings. Maybe adding new 
ones will be scriptable once we move to json-schema binding docs.

Rob
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Amit Kucheria July 6, 2018, 5:13 a.m. UTC | #5
On Fri, Jul 6, 2018 at 2:07 AM Rob Herring <robh@kernel.org> wrote:
>
> On Wed, Jul 04, 2018 at 10:56:26PM +0530, Amit Kucheria wrote:
> > On Tue, Jul 3, 2018 at 9:56 PM, Rob Herring <robh@kernel.org> wrote:
> > > On Mon, Jul 02, 2018 at 06:14:07PM +0530, Amit Kucheria wrote:
> > >> SDM845 uses v2.4.0 of the TSENS IP block but the get_temp() function
> > >> appears to be identical across v2.x.y in code seen so far. We use the
> > >> generic get_temp() function.
> > >>
> > >> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
> > >> ---
> > >>  Documentation/devicetree/bindings/thermal/qcom-tsens.txt | 2 ++
> > >>  drivers/thermal/qcom/tsens-v2.c                          | 6 +++++-
> > >>  drivers/thermal/qcom/tsens.c                             | 6 ++++++
> > >>  drivers/thermal/qcom/tsens.h                             | 5 ++++-
> > >>  4 files changed, 17 insertions(+), 2 deletions(-)
> > >>
> > >> diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> > >> index 06195e8..075182e 100644
> > >> --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> > >> +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> > >> @@ -5,6 +5,8 @@ Required properties:
> > >>   - "qcom,msm8916-tsens" : For 8916 Family of SoCs
> > >>   - "qcom,msm8974-tsens" : For 8974 Family of SoCs
> > >>   - "qcom,msm8996-tsens" : For 8996 Family of SoCs
> > >> + - "qcom,tsens-v2.4.0"  : For SDM845 Family of SoCs
> > >> + - "qcom,tsens-v2"      : Generic fallback binding for any Soc using 2.x.y version of the tsens IP
> > >
> > > You need to show what are valid combinations of compatibles. Does v2
> > > apply to 8996? One valid combination per line.
> >
> > I've restructured qcom-tsens.txt to look like this:
> >
> > -----%<-------
> >
> > * QCOM SoC Temperature Sensor (TSENS)
> >
> > Required properties:
> > - compatible: must be one of the following:
> >     - "qcom,msm8916-tsens" (MSM8916)
> >     - "qcom,msm8974-tsens" (MSM8974)
> >     - "qcom,msm8996-tsens" (MSM8996)
> >     - "qcom,tsens-<ip_version>", "qcom,tsens-v2" (TSENS IP version and a
> >        generic v2 property as fallback except for MSM8996)
> >
> >   Examples with ip_version are:
> >     - "qcom,tsens-v2.4.0", "qcom,tsens-v2" (SDM845)
> >     - "qcom,tsens-v2.2.1", "qcom,tsens-v2" (MSM8998)
> >
> > -----%<-------
> >
> > 8996 would end up being something like this if needed, though we're
> > stuck with "qcom,msm8996-tsens":
> > "qcom,msm8996-tsens", "qcom,tsens-v2.1.0", "qcom,tsens-v2" (MSM8996)
>
> 3 versions here for 3 SoCs. I'm not getting that convinced version
> numbers really are better. I would assume that other QCom IP blocks

Yeah, it is a bit unfortunate that the 3-4 SoCs we're focusing on
getting supported upstream have different versions of the TSENS IP.
The other goal of this work was to make the upstream driver
feature-complete so we can make a case to switch to it in the
downstream trees, even on platforms that aren't being active
upstreamed. They'll still need to keep around those SoC-specific
one-liner patches in the downstream trees.

> have versions too, but pretty much *every* *other* binding uses SoC names.
> Why is this one special?

I'm not an expert on all QC IPs, but this one _seems_ to be reused a
lot more than others.

> The other problem with versions is the mapping
> of versions to SoCs most likely can't be validated outside of QCom
> unless there's a version register.

There is in fact a HW version register that I was hoping to add
support for later.

> So, sorry to go in circles, but can you go back to qcom,<soc>-tsens. You
> can keep qcom,tsens-v2 as a fallback.

OK.

> Yes, it's annoying to have to update bindings for new SoCs. But it's
> trivial one line patches. Look at Renesas bindings. Maybe adding new
> ones will be scriptable once we move to json-schema binding docs.

I did look at the Renesas RCar bindings when restructuring the
documentation. They seem to have settled upon a 3-level fallback:
"soc-specific", "generic-no TZ", "generic-TZ". But
drivers/thermal/rcar_thermal.c seems to be compatible with only one
soc-specific property (thermal-r8a77995) and all other SoCs seem to be
just relying the fallbacks.

Anyways, I'll respin.

Thanks.

Regards,
Amit
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Rob Herring July 6, 2018, 5:47 p.m. UTC | #6
On Thu, Jul 5, 2018 at 11:13 PM Amit Kucheria <amit.kucheria@linaro.org> wrote:
>
> On Fri, Jul 6, 2018 at 2:07 AM Rob Herring <robh@kernel.org> wrote:
> >
> > On Wed, Jul 04, 2018 at 10:56:26PM +0530, Amit Kucheria wrote:
> > > On Tue, Jul 3, 2018 at 9:56 PM, Rob Herring <robh@kernel.org> wrote:
> > > > On Mon, Jul 02, 2018 at 06:14:07PM +0530, Amit Kucheria wrote:
> > > >> SDM845 uses v2.4.0 of the TSENS IP block but the get_temp() function
> > > >> appears to be identical across v2.x.y in code seen so far. We use the
> > > >> generic get_temp() function.
> > > >>
> > > >> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
> > > >> ---
> > > >>  Documentation/devicetree/bindings/thermal/qcom-tsens.txt | 2 ++
> > > >>  drivers/thermal/qcom/tsens-v2.c                          | 6 +++++-
> > > >>  drivers/thermal/qcom/tsens.c                             | 6 ++++++
> > > >>  drivers/thermal/qcom/tsens.h                             | 5 ++++-
> > > >>  4 files changed, 17 insertions(+), 2 deletions(-)
> > > >>
> > > >> diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> > > >> index 06195e8..075182e 100644
> > > >> --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> > > >> +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
> > > >> @@ -5,6 +5,8 @@ Required properties:
> > > >>   - "qcom,msm8916-tsens" : For 8916 Family of SoCs
> > > >>   - "qcom,msm8974-tsens" : For 8974 Family of SoCs
> > > >>   - "qcom,msm8996-tsens" : For 8996 Family of SoCs
> > > >> + - "qcom,tsens-v2.4.0"  : For SDM845 Family of SoCs
> > > >> + - "qcom,tsens-v2"      : Generic fallback binding for any Soc using 2.x.y version of the tsens IP
> > > >
> > > > You need to show what are valid combinations of compatibles. Does v2
> > > > apply to 8996? One valid combination per line.
> > >
> > > I've restructured qcom-tsens.txt to look like this:
> > >
> > > -----%<-------
> > >
> > > * QCOM SoC Temperature Sensor (TSENS)
> > >
> > > Required properties:
> > > - compatible: must be one of the following:
> > >     - "qcom,msm8916-tsens" (MSM8916)
> > >     - "qcom,msm8974-tsens" (MSM8974)
> > >     - "qcom,msm8996-tsens" (MSM8996)
> > >     - "qcom,tsens-<ip_version>", "qcom,tsens-v2" (TSENS IP version and a
> > >        generic v2 property as fallback except for MSM8996)
> > >
> > >   Examples with ip_version are:
> > >     - "qcom,tsens-v2.4.0", "qcom,tsens-v2" (SDM845)
> > >     - "qcom,tsens-v2.2.1", "qcom,tsens-v2" (MSM8998)
> > >
> > > -----%<-------
> > >
> > > 8996 would end up being something like this if needed, though we're
> > > stuck with "qcom,msm8996-tsens":
> > > "qcom,msm8996-tsens", "qcom,tsens-v2.1.0", "qcom,tsens-v2" (MSM8996)
> >
> > 3 versions here for 3 SoCs. I'm not getting that convinced version
> > numbers really are better. I would assume that other QCom IP blocks
>
> Yeah, it is a bit unfortunate that the 3-4 SoCs we're focusing on
> getting supported upstream have different versions of the TSENS IP.
> The other goal of this work was to make the upstream driver
> feature-complete so we can make a case to switch to it in the
> downstream trees, even on platforms that aren't being active
> upstreamed. They'll still need to keep around those SoC-specific
> one-liner patches in the downstream trees.

Why? They can just use the "v2" fallback (which was sufficient for
your original version). That's not my recommendation, but what do I
care for downstream. Only upstream needs the specific strings to
appease the annoying DT maintainers.

Plus, if it's not upstream, it doesn't exist. :)

> > have versions too, but pretty much *every* *other* binding uses SoC names.
> > Why is this one special?
>
> I'm not an expert on all QC IPs, but this one _seems_ to be reused a
> lot more than others.
>
> > The other problem with versions is the mapping
> > of versions to SoCs most likely can't be validated outside of QCom
> > unless there's a version register.
>
> There is in fact a HW version register that I was hoping to add
> support for later.

Yes, you should rely on that as much as possible. But I have seen h/w
designers forget to update revision registers or there can be
integration differences even if the IP version is the same.

> > So, sorry to go in circles, but can you go back to qcom,<soc>-tsens. You
> > can keep qcom,tsens-v2 as a fallback.
>
> OK.
>
> > Yes, it's annoying to have to update bindings for new SoCs. But it's
> > trivial one line patches. Look at Renesas bindings. Maybe adding new
> > ones will be scriptable once we move to json-schema binding docs.
>
> I did look at the Renesas RCar bindings when restructuring the
> documentation. They seem to have settled upon a 3-level fallback:
> "soc-specific", "generic-no TZ", "generic-TZ". But
> drivers/thermal/rcar_thermal.c seems to be compatible with only one
> soc-specific property (thermal-r8a77995) and all other SoCs seem to be
> just relying the fallbacks.
>
> Anyways, I'll respin.
>
> Thanks.
>
> Regards,
> Amit
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diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
index 06195e8..075182e 100644
--- a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
+++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt
@@ -5,6 +5,8 @@  Required properties:
  - "qcom,msm8916-tsens" : For 8916 Family of SoCs
  - "qcom,msm8974-tsens" : For 8974 Family of SoCs
  - "qcom,msm8996-tsens" : For 8996 Family of SoCs
+ - "qcom,tsens-v2.4.0"  : For SDM845 Family of SoCs
+ - "qcom,tsens-v2"      : Generic fallback binding for any Soc using 2.x.y version of the tsens IP
 
 - reg: Address range of the thermal registers
 - #thermal-sensor-cells : Should be 1. See ./thermal.txt for a description.
diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c
index 2eca7ff..1871945 100644
--- a/drivers/thermal/qcom/tsens-v2.c
+++ b/drivers/thermal/qcom/tsens-v2.c
@@ -69,8 +69,12 @@  static const struct tsens_ops ops_generic_v2 = {
 	.get_temp	= get_temp_tsens_v2,
 };
 
+const struct tsens_data data_tsens_v2 = {
+	.ops            = &ops_generic_v2,
+};
+
+/* Kept around for backward compatibility with old msm8996.dtsi */
 const struct tsens_data data_8996 = {
 	.num_sensors	= 13,
 	.ops		= &ops_generic_v2,
 };
-
diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 3440166c..992ed17 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -72,6 +72,12 @@  static const struct of_device_id tsens_table[] = {
 	}, {
 		.compatible = "qcom,msm8996-tsens",
 		.data = &data_8996,
+	}, {
+		.compatible = "qcom,tsens-v2.4.0",
+		.data = &data_tsens_v2,
+	}, {
+		.compatible = "qcom,tsens-v2",
+		.data = &data_tsens_v2,
 	},
 	{}
 };
diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
index dc56e1e..69212cb 100644
--- a/drivers/thermal/qcom/tsens.h
+++ b/drivers/thermal/qcom/tsens.h
@@ -87,6 +87,9 @@  void compute_intercept_slope(struct tsens_device *, u32 *, u32 *, u32);
 int init_common(struct tsens_device *);
 int get_temp_common(struct tsens_device *, int, int *);
 
-extern const struct tsens_data data_8916, data_8974, data_8960, data_8996;
+/* TSENS v1 targets */
+extern const struct tsens_data data_8916, data_8974, data_8960;
+/* TSENS v2 targets */
+extern const struct tsens_data data_8996, data_tsens_v2;
 
 #endif /* __QCOM_TSENS_H__ */