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Date:	Thu, 12 Nov 2015 09:05:43 +0900
From:	"Kim, Milo" <milo.kim@...com>
To:	Lee Jones <lee.jones@...aro.org>
CC:	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND 01/16] Documentation: dt-bindings: mfd: add TI LMU
 device binding information

Thanks for all your comments. I'll create the 2nd patch-set in few weeks.

Best regards,
Milo

On 11/11/2015 6:49 PM, Lee Jones wrote:
> On Mon, 02 Nov 2015, Milo Kim wrote:
>
>> This patch describes overall binding for TI LMU MFD devices.
>>
>> Cc: devicetree@...r.kernel.org
>> Cc: Lee Jones <lee.jones@...aro.org>
>> Cc: linux-kernel@...r.kernel.org
>> Signed-off-by: Milo Kim <milo.kim@...com>
>> ---
>>   Documentation/devicetree/bindings/mfd/ti-lmu.txt | 282 +++++++++++++++++++++++
>>   1 file changed, 282 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/mfd/ti-lmu.txt
>>
>> diff --git a/Documentation/devicetree/bindings/mfd/ti-lmu.txt b/Documentation/devicetree/bindings/mfd/ti-lmu.txt
>> new file mode 100644
>> index 0000000..7ccf07e
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/mfd/ti-lmu.txt
>> @@ -0,0 +1,282 @@
>> +TI LMU(Lighting Management Unit) device tree bindings
>
> ' ' here -^
>
>> +TI LMU driver supports lighting devices belows.
>
> s/belows./below:/
>
>> +   Name              Child nodes
>> +  ------      -------------------------
>> +  LM3532       Backlight
>> +  LM3631       Backlight and regulator
>> +  LM3632       Backlight and regulator
>> +  LM3633       Backlight, LED and HWMON
>> +  LM3695       Backlight
>> +  LM3697       Backlight and HWMON
>> +
>> +Required properties:
>> +  - compatible: Should be one of lists below.
>
> s/ lists below./:/
>
>> +                "ti,lm3532"
>> +                "ti,lm3631"
>> +                "ti,lm3632"
>> +                "ti,lm3633"
>> +                "ti,lm3695"
>> +                "ti,lm3697"
>> +  - reg: I2C slave address.
>> +         0x11 is LM3632
>> +         0x29 is LM3631
>> +         0x36 is LM3633, LM3697
>> +         0x38 is LM3532
>> +         0x63 is LM3695
>
> s/is/for/
>
>> +Optional properties:
>> +  - enable-gpios: A GPIO specifier for hardware enable pin.
>> +
>> +Required node:
>> +  - backlight: All LMU devices have backlight child nodes.
>> +               For the properties, please refer to [1].
>> +
>> +Optional nodes:
>> +  - hwmon: Hardware fault monitoring driver for LM3633 and LM3697.
>> +           For the property, please refer to [2].
>> +  - leds: LED properties for LM3633. Please refer to [3].
>> +  - regulators: Regulator properties for LM3631 and LM3632.
>> +          Please refer to [4].
>> +
>> +[1] Documentation/devicetree/bindings/video/backlight/ti-lmu-backlight.txt
>> +[2] Documentation/devicetree/bindings/hwm/ti-lmu-hwmon.txt
>> +[3] Documentation/devicetree/bindings/leds/leds-lm3633.txt
>> +[4] Documentation/devicetree/bindings/regulator/lm363x-regulator.txt
>
> s/Documentation/devicetree/bindings/../
>
>> +Examples:
>
> These aren't examples, they're actual DT entries.
>
> Please trim them down to just one, fully enabled node, only to be used
> as an 'example'.
>
>> +LM3532 has a backlight device. External GPIO is used for enabling LM3532.
>> +
>> +lm3532@38 {
>> +	compatible = "ti,lm3532";
>> +	reg = <0x38>;
>> +
>> +	enable-gpios = <&pioC 2 GPIO_ACTIVE_HIGH>;
>> +
>> +	backlight {
>> +		compatible = "ti,lm3532-backlight";
>> +
>> +		lcd {
>> +			hvled1-used;
>> +			hvled2-used;
>> +			hvled3-used;
>> +
>> +			ramp-up-msec = <30>;
>> +			ramp-down-msec = <0>;
>> +
>> +			backlight-max-microamp = <5000>;
>> +		};
>> +	};
>> +};
>> +
>> +LM3631 has 5 regulators with one backlight device.
>> +
>> +lm3631@29 {
>> +	compatible = "ti,lm3631";
>> +	reg = <0x29>;
>> +
>> +	regulators {
>> +		compatible = "ti,lm363x-regulator";
>> +
>> +		vboost {
>> +			regulator-name = "lcd_boost";
>> +			regulator-min-microvolt = <4500000>;
>> +			regulator-max-microvolt = <6350000>;
>> +			regulator-always-on;
>> +		};
>> +
>> +		vcont {
>> +			regulator-name = "lcd_vcont";
>> +			regulator-min-microvolt = <1800000>;
>> +			regulator-max-microvolt = <3300000>;
>> +		};
>> +
>> +		voref {
>> +			regulator-name = "lcd_voref";
>> +			regulator-min-microvolt = <4000000>;
>> +			regulator-max-microvolt = <6000000>;
>> +		};
>> +
>> +		vpos {
>> +			regulator-name = "lcd_vpos";
>> +			regulator-min-microvolt = <4000000>;
>> +			regulator-max-microvolt = <6000000>;
>> +			regulator-boot-on;
>> +		};
>> +
>> +		vneg {
>> +			regulator-name = "lcd_vneg";
>> +			regulator-min-microvolt = <4000000>;
>> +			regulator-max-microvolt = <6000000>;
>> +			regulator-boot-on;
>> +		};
>> +	};
>> +
>> +	backlight {
>> +		compatible = "ti,lm3631-backlight";
>> +
>> +		lcd {
>> +			backlight-name = "lcd_bl";
>> +			hvled1-used;
>> +			hvled2-used;
>> +
>> +			ramp-up-msec = <300>;
>> +		};
>> +	};
>> +};
>> +
>> +LM3632 has 3 regulators with one backlight device. External GPIO is
>> +used for enabling LM3632.
>> +
>> +lm3632@11 {
>> +	compatible = "ti,lm3632";
>> +	reg = <0x11>;
>> +
>> +	enable-gpios = <&pioC 2 GPIO_ACTIVE_HIGH>;
>> +
>> +	regulators {
>> +		compatible = "ti,lm363x-regulator";
>> +
>> +		ti,lcm-en1-gpio = <&pioC 0 GPIO_ACTIVE_HIGH>;
>> +		ti,lcm-en2-gpio = <&pioC 1 GPIO_ACTIVE_HIGH>;
>> +
>> +		vboost {
>> +			regulator-name = "lcd_boost";
>> +			regulator-min-microvolt = <4500000>;
>> +			regulator-max-microvolt = <6400000>;
>> +			regulator-always-on;
>> +		};
>> +
>> +		vpos {
>> +			regulator-name = "lcd_vpos";
>> +			regulator-min-microvolt = <4000000>;
>> +			regulator-max-microvolt = <6000000>;
>> +		};
>> +
>> +		vneg {
>> +			regulator-name = "lcd_vneg";
>> +			regulator-min-microvolt = <4000000>;
>> +			regulator-max-microvolt = <6000000>;
>> +		};
>> +	};
>> +
>> +	backlight {
>> +		compatible = "ti,lm3632-backlight";
>> +
>> +		lcd {
>> +			backlight-name = "lcd";
>> +			hvled1-used;
>> +			hvled2-used;
>> +		};
>> +	};
>> +};
>> +
>> +LM3633 has multiple backlight channels, LED channels and hardware fault
>> +monitoring driver. External GPIO is used for enabling LM3633.
>> +
>> +lm3633@36 {
>> +	compatible = "ti,lm3633";
>> +	reg = <0x36>;
>> +
>> +	enable-gpios = <&pioC 2 GPIO_ACTIVE_HIGH>;
>> +
>> +	backlight {
>> +		compatible = "ti,lm3633-backlight";
>> +
>> +		pwms = <&pwm0 0 10000 0>; /* pwm number, period, polarity */
>> +		pwm-names = "lmu-backlight";
>> +
>> +		main {
>> +			backlight-name = "main_lcd";
>> +			hvled2-used;
>> +			hvled3-used;
>> +			backlight-max-microamp = <20000>;
>> +
>> +			ramp-up-msec = <500>;
>> +			ramp-down-msec = <500>;
>> +		};
>> +
>> +		front {
>> +			backlight-name = "front_lcd";
>> +			hvled1-used;
>> +
>> +			ramp-up-msec = <1000>;
>> +			ramp-down-msec = <0>;
>> +
>> +			pwm-period = <10000>;
>> +		};
>> +	};
>> +
>> +	leds {
>> +		compatible = "ti,lm3633-leds";
>> +
>> +		chan2 {
>> +			channel-name = "status";
>> +			lvled2-used;
>> +			led-max-microamp = <6000>;
>> +		};
>> +
>> +		chan456 {
>> +			channel-name = "rgb";
>> +			lvled4-used;
>> +			lvled5-used;
>> +			lvled6-used;
>> +		};
>> +	};
>> +
>> +	hwmon {
>> +		compatible = "ti,lm3633-hwmon";
>> +	};
>> +};
>> +
>> +LM3695 is single backlight device.
>> +
>> +lm3695@63 {
>> +	compatible = "ti,lm3695";
>> +	reg = <0x63>;
>> +
>> +	backlight {
>> +		compatible = "ti,lm3695-backlight";
>> +
>> +		lcd {
>> +			hvled1-used;
>> +			hvled2-used;
>> +			backlight-max-microamp = <20000>;
>> +		};
>> +	};
>> +};
>> +
>> +LM3697 has one backlight device and hardware fault monitoring driver.
>> +External GPIO is used for enabling LM3697.
>> +
>> +lm3697@36 {
>> +	compatible = "ti,lm3697";
>> +	reg = <0x36>;
>> +
>> +	enable-gpios = <&pioC 2 GPIO_ACTIVE_HIGH>;
>> +
>> +	backlight {
>> +		compatible = "ti,lm3697-backlight";
>> +
>> +		pwms = <&pwm0 0 10000 0>; /* pwm number, period, polarity */
>> +		pwm-names = "lmu-backlight";
>> +
>> +		lcd {
>> +			backlight-name = "bl";
>> +			hvled1-used;
>> +			hvled2-used;
>> +			hvled3-used;
>> +			backlight-max-microamp = <20000>;
>> +
>> +			ramp-up-msec = <500>;
>> +			ramp-down-msec = <500>;
>> +			pwm-period = <10000>;
>> +		};
>> +	};
>> +
>> +	hwmon {
>> +		compatible = "ti,lm3697-hwmon";
>> +	};
>> +};
>
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