| Message ID | 20181011165123.32198-5-dmurphy@ti.com |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
| Series | TI LMU common Framework | expand |
On Thu, Oct 11, 2018 at 11:51:18AM -0500, Dan Murphy wrote: > Add the device tree bindings for the lm3697 > LED driver for backlighting and display. Bindings are for h/w, not drivers... > > 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 >
Rob Thanks for the review. On 10/12/2018 11:27 AM, Rob Herring wrote: > On Thu, Oct 11, 2018 at 11:51:18AM -0500, Dan Murphy wrote: >> Add the device tree bindings for the lm3697 >> LED driver for backlighting and display. > > Bindings are for h/w, not drivers... > ACK Dan >> >> 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 >>
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
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