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2020-09-26leds: lm36274: use struct led_init_data when registeringMarek Behún
By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Previously if the `label` DT property was not present, the code composed name for the LED in the form "parent_name::" For backwards compatibility we therefore set init_data->default_label = ":"; so that the LED will not get a different name if `label` property is not present, nor are `color` and `function`. Signed-off-by: Marek Behún <marek.behun@nic.cz> Tested-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: lm36274: don't iterate through children since there is only oneMarek Behún
Do not use device_for_each_child_node. Since this driver works only with once child node present, use device_get_next_child_node instead. This also saves one level of indentation. Signed-off-by: Marek Behún <marek.behun@nic.cz> Reviewed-by: Dan Murphy <dmurphy@ti.com> Tested-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: lm36274: cosmetic: rename lm36274_data to chipMarek Behún
Rename this variable so that it is easier to read and easier to write in 80 columns. Also rename variable of this type in lm36274_brightness_set from led to chip, to be consistent. Signed-off-by: Marek Behún <marek.behun@nic.cz> Tested-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: Add driver for Acer Iconia Tab A500Dmitry Osipenko
Acer Iconia Tab A500 is an Android tablet device which has two LEDs embedded into the Power Button. Orange LED indicates "battery charging" status and white LED indicates "wake-up/charge-done" status. The new LED driver provides control over both LEDs to userspace. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: pca9532 - simplify the return expression of pca9532_removeLiu Shixin
Simplify the return expression. Signed-off-by: Liu Shixin <liushixin2@huawei.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: use struct led_init_data when registeringMarek Behún
By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: remove unneeded variableMarek Behún
No need to use variable found, we can determine whether the mode was found by comparing iterator variable to its limit. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: register LED immediately after parsing DT propertiesMarek Behún
Register each LED immediately after parsing OF properties. This simplifies the driver. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: cosmetic change: use helper variableMarek Behún
Use helper variable dev instead of always writing &pdev->dev. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: cosmetic changeMarek Behún
Return directly instead of setting result and breaking. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: cosmetic variable renameMarek Behún
Rename variable led_dat to led in various functions. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: cosmetic structure renameMarek Behún
Rename structures: ns2_led -> ns2_led_of_one ns2_led_data -> ns2_led. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: use devres API for getting GPIO descriptorsMarek Behún
This drivers leaks GPIO descriptors on driver removal. Use devres API function devm_gpiod_get_from_of_node instead of gpiod_get_from_of_node to avoid this. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Not-for-stable Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: move parsing of one LED into separate functionMarek Behún
Move parsing of DT properties of one LED into separate function. This saves indentation level and is nicer to read. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: support OF probing only, forget platdataMarek Behún
Move forward from platform data to device tree only. Since commit c7896490dd1a ("leds: ns2: Absorb platform data") the platform data structure is absorbed into the driver, because nothing else in the source tree uses it. Since nobody complained and all usage of this driver is via device tree, change the code to work with device tree only. As Linus Walleij wrote, the device tree should be the preferred way forward anyway. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: alloc simple array instead of struct ns2_led_privMarek Behún
Since .remove method is not needed now that we use devres, there is no need to remember the number of LEDs in struct ns2_led_priv. Alloc simple array of ns2_led_data structs. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ns2: use devres LED registering functionMarek Behún
By using devres version of LED registering function we can remove the .remove method from this driver. The probe method also gets simpler. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Simon Guinot <simon.guinot@sequanux.org> Cc: Simon Guinot <sguinot@lacie.com> Cc: Vincent Donnefort <vdonnefort@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: is31fl32xx: use struct led_init_data when registeringMarek Behún
By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: H. Nikolaus Schaller <hns@goldelico.com> Cc: David Rivshin <drivshin@allworx.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: pm8058: cosmetic change: no need to return in if guardMarek Behún
We can return the last ret value. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: pm8058: cosmetic change: use helper variableMarek Behún
Use helper variable dev instead of always writing &pdev->dev. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: pm8058: use struct led_init_data when registeringMarek Behún
By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: mt6323: cosmetic change: use helper variableMarek Behún
Use helper variable dev instead of always writing &pdev->dev. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Sean Wang <sean.wang@mediatek.com> Cc: John Crispin <john@phrozen.org> Cc: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: mt6323: use struct led_init_data when registeringMarek Behún
By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Since init_data is passed with fwnode handle, we do not need to set the of_node member of the newly created LED classdev. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Sean Wang <sean.wang@mediatek.com> Cc: John Crispin <john@phrozen.org> Cc: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: max77650: use struct led_init_data when registeringMarek Behún
By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Previously if the `label` DT property was not present, the code composed name for the LED in the form "max77650::" For backwards compatibility we therefore set init_data->default_label = ":"; so that the LED will not get a different name if `label` property is not present. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: lm3697: cosmetic change: use helper variable, reverse christmas treeMarek Behún
Use helper variable dev instead of always writing &client->dev, or &priv->client->dev, or even &led->priv->client->dev. With one more line moved reverse christmas tree is also achieved. Signed-off-by: Marek Behún <marek.behun@nic.cz> Reviewed-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: lm3697: use struct led_init_data when registeringMarek Behún
By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Previously if the `label` DT property was not present, the code composed name for the LED in the form "parent_name::" For backwards compatibility we therefore set init_data->default_label = ":"; so that the LED will not get a different name if `label` property is not present. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: bcm6328, bcm6358: use struct led_init_data when registeringMarek Behún
By using struct led_init_data when registering we do not need to parse `label` DT property. Moreover `label` is deprecated and if it is not present but `color` and `function` are, LED core will compose a name from these properties instead. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Álvaro Fernández Rojas <noltari@gmail.com> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Jaedon Shin <jaedon.shin@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: bcm6328, bcm6358: use devres LED registering functionMarek Behún
These two drivers do not provide remove method and use devres for allocation of other resources, yet they use led_classdev_register instead of the devres variant, devm_led_classdev_register. Fix this. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Álvaro Fernández Rojas <noltari@gmail.com> Cc: Kevin Cernekee <cernekee@gmail.com> Cc: Jaedon Shin <jaedon.shin@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> Cc: stable@kernel.org
2020-09-26leds: various: fix OF node leaksMarek Behún
Fix OF node leaks by calling of_node_put in for_each_available_child_of_node when the cycle breaks or returns. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Nikita Travkin <nikitos.tr@gmail.com> Cc: Milo Kim <milo.kim@ti.com> Cc: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> Not-for-stable: untested, theoretical, insignificant leaks
2020-09-26leds: various: use only available OF childrenMarek Behún
Various drivers count and iterate over OF children nodes via of_get_child_count and for_each_child_of_node. Instead they should use of_get_available_child_count and for_each_available_child_of_node, so that if a given node has the `status` property set to `disabled`, the child will be ignored. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Andrey Utkin <andrey_utkin@fastmail.com> Cc: Baolin Wang <baolin.wang7@gmail.com> Cc: Baolin Wang <baolin.wang@linaro.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Christian Mauderer <oss@c-mauderer.de> Cc: Chunyan Zhang <zhang.lyra@gmail.com> Cc: Dan Murphy <dmurphy@ti.com> Cc: David Rivshin <drivshin@allworx.com> Cc: Haojian Zhuang <haojian.zhuang@marvell.com> Cc: H. Nikolaus Schaller <hns@goldelico.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Milo Kim <milo.kim@ti.com> Cc: NeilBrown <neilb@suse.de> Cc: Nikita Travkin <nikitos.tr@gmail.com> Cc: Orson Zhai <orsonzhai@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Philippe Retornaz <philippe.retornaz@epfl.ch> Cc: Riku Voipio <riku.voipio@iki.fi> Cc: Simon Guinot <sguinot@lacie.com> Cc: Simon Shields <simon@lineageos.org> Cc: Vasant Hegde <hegdevasant@linux.vnet.ibm.com> Cc: Xiaotong Lu <xiaotong.lu@spreadtrum.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: lt3593: do not rewrite .of_node of new LED device to wrong valueMarek Behún
The devm_led_classdev_register_ext is given init_data with fwnode set, so the LED core sets .of_node of the new LED classdev correctly. Do not rewrite this value to parent of_node. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Daniel Mack <daniel@caiaq.de> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: various: use dev_of_node(dev) instead of dev->of_nodeMarek Behún
The dev_of_node function should be preferred. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Orson Zhai <orsonzhai@gmail.com> Cc: Baolin Wang <baolin.wang7@gmail.com> Cc: Chunyan Zhang <zhang.lyra@gmail.com> Cc: Sean Wang <sean.wang@mediatek.com> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Riku Voipio <riku.voipio@iki.fi> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: various: use device_get_match_dataMarek Behún
Simply use device_get_match_data instead of matching against the match table again. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: H. Nikolaus Schaller <hns@goldelico.com> Cc: David Rivshin <drivshin@allworx.com> Cc: Sebastian Reichel <sre@kernel.org> Cc: Christian Mauderer <oss@c-mauderer.de> Cc: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: ip30: compile if COMPILE_TEST=yMarek Behún
This driver can be compiled on other platforms with small change if COMPILE_TEST=y. Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Pavel Machek <pavel@ucw.cz> Cc: Dan Murphy <dmurphy@ti.com> Cc: Thomas Bogendoerfer <tbogendoerfer@suse.de> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: various: compile if COMPILE_TEST=yMarek Behún
These drivers can be compiled without modification when COMPILE_TEST=y: cobalt-qube, cobalt-raq, netxbig, ns2 and s3c24xx Signed-off-by: Marek Behún <marek.behun@nic.cz> Cc: Pavel Machek <pavel@ucw.cz> Cc: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-26leds: pwm: Allow automatic labels for DT based devicesAlexander Dahl
If LEDs are configured through device tree and the property 'label' is omitted, the label is supposed to be generated from the properties 'function' and 'color' if present. While this works fine for e.g. the 'leds-gpio' driver, it did not for 'leds-pwm'. The reason is, you get this label naming magic only if you add a LED device through 'devm_led_classdev_register_ext()' and pass a pointer to the current device tree node. For the following node from dts the LED appeared as 'led-5' in sysfs before and as 'red:debug' after this change. pwm_leds { compatible = "pwm-leds"; led-5 { function = LED_FUNCTION_DEBUG; color = <LED_COLOR_ID_RED>; pwms = <&pwm0 2 10000000 0>; max-brightness = <127>; linux,default-trigger = "heartbeat"; panic-indicator; }; }; Signed-off-by: Alexander Dahl <post@lespocky.de> Cc: Marek Behún <marek.behun@nic.cz> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-09leds: tlc591xx: Simplify with dev_err_probe()Krzysztof Kozlowski
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and also it prints the error value. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-09leds: sgm3140: Simplify with dev_err_probe()Krzysztof Kozlowski
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and also it prints the error value. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-09leds: pwm: Simplify with dev_err_probe()Krzysztof Kozlowski
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and also it prints the error value. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-09leds: lm3692x: Simplify with dev_err_probe()Krzysztof Kozlowski
Common pattern of handling deferred probe can be simplified with dev_err_probe(). Less code and also it prints the error value. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-09DT: leds: Add an optional property named 'shutdown-gpios'Grant Feng
The chip enters hardware shutdown when the SDB pin is pulled low. The chip releases hardware shutdown when the SDB pin is pulled high. Signed-off-by: Grant Feng <von81@163.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-09leds: is31fl319x: Add shutdown pin and generate a 5ms low pulse when startupGrant Feng
generate a 5ms low pulse on shutdown pin when startup, then the chip becomes more stable in the complex EM environment. Signed-off-by: Grant Feng <von81@163.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-09-09dt: bindings: lp55xx: Updte yaml examples with new color IDDan Murphy
Update the binding examples for the color ID to LED_COLOR_ID_RGB Signed-off-by: Dan Murphy <dmurphy@ti.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-08-17leds: lp50xx: Add the LP50XX family of the RGB LED driverDan Murphy
Introduce the LP5036/30/24/18/12/9 RGB LED driver. The difference in these parts are the number of LED outputs where the: LP5036 can control 36 LEDs LP5030 can control 30 LEDs LP5024 can control 24 LEDs LP5018 can control 18 LEDs LP5012 can control 12 LEDs LP5009 can control 9 LEDs The device has the ability to group LED outputs into control banks so that multiple LED banks can be controlled with the same mixing and brightness. Or the LED outputs can also be controlled independently. Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Signed-off-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-08-17dt: bindings: lp50xx: Introduce the lp50xx family of RGB driversDan Murphy
Introduce the bindings for the Texas Instruments LP5036, LP5030, LP5024, LP5018, LP5012 and LP5009 RGB LED device driver. The LP5036/30/24/18/12/9 can control RGB LEDs individually or as part of a control bank group. These devices have the ability to adjust the mixing control for the RGB LEDs to obtain different colors independent of the overall brightness of the LED grouping. Datasheet: http://www.ti.com/lit/ds/symlink/lp5012.pdf http://www.ti.com/lit/ds/symlink/lp5024.pdf http://www.ti.com/lit/ds/symlink/lp5036.pdf Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-08-17leds: LP55XX_COMMON needs to depend on LEDS_CLASSRandy Dunlap
With these kernel configs: CONFIG_LEDS_CLASS=m # CONFIG_LEDS_CLASS_MULTICOLOR is not set CONFIG_LEDS_LP55XX_COMMON=y CONFIG_LEDS_LP5521=m CONFIG_LEDS_LP5562=m leds-lp55xx-common.c has a build error because it is builtin and calls an interface that is built as a loadable module (due to LEDS_CLASS=m). By making LEDS_LP55XX_COMMON depend on LEDS_CLASS, this config combination cannot happen, thus preventing the build error. ld: drivers/leds/leds-lp55xx-common.o: in function `lp55xx_register_leds': leds-lp55xx-common.c:(.text+0xc5f): undefined reference to `devm_led_classdev_register_ext' Fixes: 33b3a561f417 ("leds: support new LP8501 device - another LP55xx common") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Dan Murphy <dmurphy@ti.com> Cc: Milo Kim <milo.kim@ti.com> Cc: linux-leds@vger.kernel.org Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-08-17leds: pca955x: Add an IBM software implementation of the PCA9552 chipEddie James
IBM created an implementation of the PCA9552 on a PIC16F microcontroller. The I2C device addresses are different from the hardware PCA9552, so add a new compatible string and associated platform data to be able to probe this device. Signed-off-by: Eddie James <eajames@linux.ibm.com> Reviewed-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-08-17dt-bindings: leds: pca955x: Add IBM implementation compatible stringEddie James
IBM created an implementation of the PCA9552 on a PIC16F microcontroller. Document the new compatible string for this device. Signed-off-by: Eddie James <eajames@linux.ibm.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-08-17leds: sgm3140: fix led->LED for consistencyPavel Machek
Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-08-17leds: we don't want people to use LED subsystem for vibrationsPavel Machek
Remove notes about vibrations, as that is better done using input subsystem. Signed-off-by: Pavel Machek <pavel@ucw.cz>