Messages in this thread | | | Subject | Re: [PATCH 2/2] hwmon: (lm70) Add support for TI TMP122/124 | From | Guenter Roeck <> | Date | Sat, 21 Jan 2017 12:25:21 -0800 |
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On 01/21/2017 11:20 AM, Florian Fainelli wrote: > Add support for Texas Instruments TMP122/124 which are nearly identical to > their TMP121/123 except that they also support programmable temperature > thresholds. > > Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Applied to -next.
Any plans to add support for the thresholds ?
Thanks, Guenter
> --- > Documentation/devicetree/bindings/hwmon/lm70.txt | 1 + > Documentation/hwmon/lm70 | 8 ++++++-- > drivers/hwmon/lm70.c | 9 ++++++++- > 3 files changed, 15 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/hwmon/lm70.txt b/Documentation/devicetree/bindings/hwmon/lm70.txt > index e7fd921aa4f1..ea417a0d32af 100644 > --- a/Documentation/devicetree/bindings/hwmon/lm70.txt > +++ b/Documentation/devicetree/bindings/hwmon/lm70.txt > @@ -4,6 +4,7 @@ Required properties: > - compatible: one of > "ti,lm70" > "ti,tmp121" > + "ti,tmp122" > "ti,lm71" > "ti,lm74" > > diff --git a/Documentation/hwmon/lm70 b/Documentation/hwmon/lm70 > index 1bb2db440671..c3a1f2ea017d 100644 > --- a/Documentation/hwmon/lm70 > +++ b/Documentation/hwmon/lm70 > @@ -6,6 +6,8 @@ Supported chips: > Datasheet: http://www.national.com/pf/LM/LM70.html > * Texas Instruments TMP121/TMP123 > Information: http://focus.ti.com/docs/prod/folders/print/tmp121.html > + * Texas Instruments TMP122/TMP124 > + Information: http://www.ti.com/product/tmp122 > * National Semiconductor LM71 > Datasheet: http://www.ti.com/product/LM71 > * National Semiconductor LM74 > @@ -35,8 +37,10 @@ As a real (in-tree) example of this "SPI protocol driver" interfacing > with a "SPI master controller driver", see drivers/spi/spi_lm70llp.c > and its associated documentation. > > -The LM74 and TMP121/TMP123 are very similar; main difference is 13-bit > -temperature data (0.0625 degrees celsius resolution). > +The LM74 and TMP121/TMP122/TMP123/TMP124 are very similar; main difference is > +13-bit temperature data (0.0625 degrees celsius resolution). > + > +The TMP122/TMP124 also feature configurable temperature thresholds. > > The LM71 is also very similar; main difference is 14-bit temperature > data (0.03125 degrees celsius resolution). > diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c > index 52c5cdd00448..543556dc563b 100644 > --- a/drivers/hwmon/lm70.c > +++ b/drivers/hwmon/lm70.c > @@ -46,6 +46,7 @@ > #define LM70_CHIP_TMP121 1 /* TI TMP121/TMP123 */ > #define LM70_CHIP_LM71 2 /* NS LM71 */ > #define LM70_CHIP_LM74 3 /* NS LM74 */ > +#define LM70_CHIP_TMP122 4 /* TI TMP122/TMP124 */ > > struct lm70 { > struct spi_device *spi; > @@ -92,7 +93,7 @@ static ssize_t temp1_input_show(struct device *dev, > * Celsius. > * So it's equivalent to multiplying by 0.25 * 1000 = 250. > * > - * LM74 and TMP121/TMP123: > + * LM74 and TMP121/TMP122/TMP123/TMP124: > * 13 bits of 2's complement data, discard LSB 3 bits, > * resolution 0.0625 degrees celsius. > * > @@ -106,6 +107,7 @@ static ssize_t temp1_input_show(struct device *dev, > break; > > case LM70_CHIP_TMP121: > + case LM70_CHIP_TMP122: > case LM70_CHIP_LM74: > val = ((int)raw / 8) * 625 / 10; > break; > @@ -143,6 +145,10 @@ static const struct of_device_id lm70_of_ids[] = { > .data = (void *) LM70_CHIP_TMP121, > }, > { > + .compatible = "ti,tmp122", > + .data = (void *) LM70_CHIP_TMP122, > + }, > + { > .compatible = "ti,lm71", > .data = (void *) LM70_CHIP_LM71, > }, > @@ -191,6 +197,7 @@ static int lm70_probe(struct spi_device *spi) > static const struct spi_device_id lm70_ids[] = { > { "lm70", LM70_CHIP_LM70 }, > { "tmp121", LM70_CHIP_TMP121 }, > + { "tmp122", LM70_CHIP_TMP122 }, > { "lm71", LM70_CHIP_LM71 }, > { "lm74", LM70_CHIP_LM74 }, > { }, >
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