From: Dan Murphy <dmurphy@ti.com> To: robh+dt@kernel.org, jacek.anaszewski@gmail.com, pavel@ucw.cz Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, lee.jones@linaro.org, linux-omap@vger.kernel.org, linux-leds@vger.kernel.org, Dan Murphy <dmurphy@ti.com> Subject: [RFC PATCH 4/9] dt-bindings: leds: Add bindings for lm3697 driver Date: Wed, 26 Sep 2018 08:09:16 -0500 [thread overview] Message-ID: <20180926130921.12329-5-dmurphy@ti.com> (raw) In-Reply-To: <20180926130921.12329-1-dmurphy@ti.com> Add the device tree bindings for the lm3697 LED driver for backlighting and display. Signed-off-by: Dan Murphy <dmurphy@ti.com> --- .../devicetree/bindings/leds/leds-lm3697.txt | 98 +++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-lm3697.txt diff --git a/Documentation/devicetree/bindings/leds/leds-lm3697.txt b/Documentation/devicetree/bindings/leds/leds-lm3697.txt new file mode 100644 index 000000000000..4bb2ed51025b --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lm3697.txt @@ -0,0 +1,98 @@ +* Texas Instruments - LM3697 Highly Efficient White LED Driver + +The LM3697 11-bit LED driver provides high- +performance backlight dimming for 1, 2, or 3 series +LED strings while delivering up to 90% efficiency. + +This device is suitable for display and keypad Lighting + +Required properties: + - compatible: + "ti,lm3697" + - reg : I2C slave address + - #address-cells : 1 + - #size-cells : 0 + +Optional properties: + - enable-gpios : GPIO pin to enable/disable the device + - vled-supply : LED supply + +Required child properties: + - reg : 0 - LED is Controlled by bank A + 1 - LED is Controlled by bank B + - led-sources : Indicates which HVLED string is associated to which + control bank. Each element in the array is associated + with a specific HVLED string. Element 0 is HVLED1, + element 1 is HVLED2 and element 2 HVLED3. + Additional information is contained + in Documentation/devicetree/bindings/leds/common.txt + 0 - HVLED is not active in this control bank + 1 - HVLED string is controlled by this control bank + +Optional child properties: + - runtime-ramp-up-msec: Current ramping from one brightness level to + the a higher brightness level. + Range from 2048 us - 117.44 s + - runtime-ramp-down-msec: Current ramping from one brightness level to + the a lower brightness level. + Range from 2048 us - 117.44 s + - label : see Documentation/devicetree/bindings/leds/common.txt + - linux,default-trigger : + see Documentation/devicetree/bindings/leds/common.txt + +Example: + +HVLED string 1 and 3 are controlled by control bank A and HVLED 2 string is +controlled by control bank B. + +led-controller@36 { + compatible = "ti,lm3697"; + reg = <0x36>; + #address-cells = <1>; + #size-cells = <0>; + + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + vled-supply = <&vbatt>; + + led@0 { + reg = <0>; + led-sources = <1 0 1>; + runtime-ramp-up-msec = <5000>; + runtime-ramp-down-msec = <1000>; + label = "white:first_backlight_cluster"; + linux,default-trigger = "backlight"; + }; + + led@1 { + reg = <1>; + led-sources = <0 1 0>; + runtime-ramp-up-msec = <500>; + runtime-ramp-down-msec = <1000>; + label = "white:second_backlight_cluster"; + linux,default-trigger = "backlight"; + }; +} + +All HVLED strings controlled by control bank A + +led-controller@36 { + compatible = "ti,lm3697"; + reg = <0x36>; + #address-cells = <1>; + #size-cells = <0>; + + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + vled-supply = <&vbatt>; + + led@0 { + reg = <0>; + led-sources = <1 1 1>; + runtime-ramp-up-msec = <500>; + runtime-ramp-down-msec = <1000>; + label = "white:backlight_cluster"; + linux,default-trigger = "backlight"; + }; +} + +For more product information please see the link below: +http://www.ti.com/lit/ds/symlink/lm3697.pdf -- 2.19.0
WARNING: multiple messages have this Message-ID (diff)
From: Dan Murphy <dmurphy@ti.com> To: <robh+dt@kernel.org>, <jacek.anaszewski@gmail.com>, <pavel@ucw.cz> Cc: <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <lee.jones@linaro.org>, <linux-omap@vger.kernel.org>, <linux-leds@vger.kernel.org>, Dan Murphy <dmurphy@ti.com> Subject: [RFC PATCH 4/9] dt-bindings: leds: Add bindings for lm3697 driver Date: Wed, 26 Sep 2018 08:09:16 -0500 [thread overview] Message-ID: <20180926130921.12329-5-dmurphy@ti.com> (raw) In-Reply-To: <20180926130921.12329-1-dmurphy@ti.com> Add the device tree bindings for the lm3697 LED driver for backlighting and display. Signed-off-by: Dan Murphy <dmurphy@ti.com> --- .../devicetree/bindings/leds/leds-lm3697.txt | 98 +++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-lm3697.txt diff --git a/Documentation/devicetree/bindings/leds/leds-lm3697.txt b/Documentation/devicetree/bindings/leds/leds-lm3697.txt new file mode 100644 index 000000000000..4bb2ed51025b --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lm3697.txt @@ -0,0 +1,98 @@ +* Texas Instruments - LM3697 Highly Efficient White LED Driver + +The LM3697 11-bit LED driver provides high- +performance backlight dimming for 1, 2, or 3 series +LED strings while delivering up to 90% efficiency. + +This device is suitable for display and keypad Lighting + +Required properties: + - compatible: + "ti,lm3697" + - reg : I2C slave address + - #address-cells : 1 + - #size-cells : 0 + +Optional properties: + - enable-gpios : GPIO pin to enable/disable the device + - vled-supply : LED supply + +Required child properties: + - reg : 0 - LED is Controlled by bank A + 1 - LED is Controlled by bank B + - led-sources : Indicates which HVLED string is associated to which + control bank. Each element in the array is associated + with a specific HVLED string. Element 0 is HVLED1, + element 1 is HVLED2 and element 2 HVLED3. + Additional information is contained + in Documentation/devicetree/bindings/leds/common.txt + 0 - HVLED is not active in this control bank + 1 - HVLED string is controlled by this control bank + +Optional child properties: + - runtime-ramp-up-msec: Current ramping from one brightness level to + the a higher brightness level. + Range from 2048 us - 117.44 s + - runtime-ramp-down-msec: Current ramping from one brightness level to + the a lower brightness level. + Range from 2048 us - 117.44 s + - label : see Documentation/devicetree/bindings/leds/common.txt + - linux,default-trigger : + see Documentation/devicetree/bindings/leds/common.txt + +Example: + +HVLED string 1 and 3 are controlled by control bank A and HVLED 2 string is +controlled by control bank B. + +led-controller@36 { + compatible = "ti,lm3697"; + reg = <0x36>; + #address-cells = <1>; + #size-cells = <0>; + + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + vled-supply = <&vbatt>; + + led@0 { + reg = <0>; + led-sources = <1 0 1>; + runtime-ramp-up-msec = <5000>; + runtime-ramp-down-msec = <1000>; + label = "white:first_backlight_cluster"; + linux,default-trigger = "backlight"; + }; + + led@1 { + reg = <1>; + led-sources = <0 1 0>; + runtime-ramp-up-msec = <500>; + runtime-ramp-down-msec = <1000>; + label = "white:second_backlight_cluster"; + linux,default-trigger = "backlight"; + }; +} + +All HVLED strings controlled by control bank A + +led-controller@36 { + compatible = "ti,lm3697"; + reg = <0x36>; + #address-cells = <1>; + #size-cells = <0>; + + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + vled-supply = <&vbatt>; + + led@0 { + reg = <0>; + led-sources = <1 1 1>; + runtime-ramp-up-msec = <500>; + runtime-ramp-down-msec = <1000>; + label = "white:backlight_cluster"; + linux,default-trigger = "backlight"; + }; +} + +For more product information please see the link below: +http://www.ti.com/lit/ds/symlink/lm3697.pdf -- 2.19.0
next prev parent reply other threads:[~2018-09-26 13:09 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-09-26 13:09 [RFC PATCH 0/9] TI LMU and Dedicated LED drivers Dan Murphy 2018-09-26 13:09 ` Dan Murphy 2018-09-26 13:09 ` [RFC PATCH 1/9] leds: add TI LMU backlight driver Dan Murphy 2018-09-26 13:09 ` Dan Murphy 2018-09-26 15:01 ` Tony Lindgren 2018-09-26 15:30 ` Dan Murphy 2018-09-26 15:30 ` Dan Murphy 2018-09-26 13:09 ` [RFC PATCH 2/9] dt-bindings: ti-lmu: Remove LM3697 Dan Murphy 2018-09-26 13:09 ` Dan Murphy 2018-09-26 13:09 ` [RFC PATCH 3/9] mfd: ti-lmu: Remove support for LM3697 Dan Murphy 2018-09-26 13:09 ` Dan Murphy 2018-09-26 13:09 ` Dan Murphy [this message] 2018-09-26 13:09 ` [RFC PATCH 4/9] dt-bindings: leds: Add bindings for lm3697 driver Dan Murphy 2018-09-26 13:09 ` [RFC PATCH 5/9] leds: lm3697: Introduce the " Dan Murphy 2018-09-26 13:09 ` Dan Murphy 2018-09-26 13:09 ` [RFC PATCH 6/9] dt-bindings: leds: Add support for the LM3633 Dan Murphy 2018-09-26 13:09 ` Dan Murphy 2018-09-26 13:09 ` [RFC PATCH 7/9] leds: lm3633: Introduce the lm3633 driver Dan Murphy 2018-09-26 13:09 ` Dan Murphy 2018-09-26 22:36 ` Pavel Machek 2018-09-27 12:04 ` Dan Murphy 2018-09-27 12:04 ` Dan Murphy 2018-09-27 21:47 ` Pavel Machek 2018-09-28 16:48 ` Dan Murphy 2018-09-28 16:48 ` Dan Murphy 2018-09-26 13:09 ` [RFC PATCH 8/9] dt-bindings: leds: Add the LM3632 LED dt binding Dan Murphy 2018-09-26 13:09 ` Dan Murphy 2018-09-26 13:09 ` [RFC PATCH 9/9] leds: lm3632: Introduce the TI LM3632 driver Dan Murphy 2018-09-26 13:09 ` Dan Murphy 2018-10-07 13:46 ` Pavel Machek 2018-10-08 12:23 ` Dan Murphy 2018-10-08 12:23 ` Dan Murphy
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