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Message-ID: <20160111094607.GQ14104@x1>
Date: Mon, 11 Jan 2016 09:46:07 +0000
From: Lee Jones <lee.jones@...aro.org>
To: Milo Kim <milo.kim@...com>
Cc: robh+dt@...nel.org, j.anaszewski@...sung.com, broonie@...nel.org,
devicetree@...r.kernel.org, linux-leds@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/9] Documentation: dt-bindings: mfd: add TI LMU
device binding information
On Thu, 26 Nov 2015, Milo Kim wrote:
> This patch describes overall binding for TI LMU MFD devices.
>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: devicetree@...r.kernel.org
> Cc: Lee Jones <lee.jones@...aro.org>
> Cc: Jacek Anaszewski <j.anaszewski@...sung.com>
> Cc: Mark Brown <broonie@...nel.org>
> Cc: linux-leds@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Milo Kim <milo.kim@...com>
> ---
> Documentation/devicetree/bindings/mfd/ti-lmu.txt | 243 +++++++++++++++++++++++
> 1 file changed, 243 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/ti-lmu.txt
Acked-by: Lee Jones <lee.jones@...aro.org>
> diff --git a/Documentation/devicetree/bindings/mfd/ti-lmu.txt b/Documentation/devicetree/bindings/mfd/ti-lmu.txt
> new file mode 100644
> index 0000000..c885cf8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/ti-lmu.txt
> @@ -0,0 +1,243 @@
> +TI LMU (Lighting Management Unit) device tree bindings
> +
> +TI LMU driver supports lighting devices below.
> +
> + Name Child nodes
> + ------ ---------------------------------
> + LM3532 Backlight
> + LM3631 Backlight and regulator
> + LM3632 Backlight and regulator
> + LM3633 Backlight, LED and fault monitor
> + LM3695 Backlight
> + LM3697 Backlight and fault monitor
> +
> +Required properties:
> + - compatible: Should be one of:
> + "ti,lm3532"
> + "ti,lm3631"
> + "ti,lm3632"
> + "ti,lm3633"
> + "ti,lm3695"
> + "ti,lm3697"
> + - reg: I2C slave address.
> + 0x11 for LM3632
> + 0x29 for LM3631
> + 0x36 for LM3633, LM3697
> + 0x38 for LM3532
> + 0x63 for LM3695
> +
> +Optional property:
> + - 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:
> + - fault-monitor: Hardware fault monitoring driver for LM3633 and LM3697.
> + Required properties:
> + - compatible: Should be one of:
> + "ti,lm3633-fault-monitor"
> + "ti,lm3697-fault-monitor"
> + - leds: LED properties for LM3633. Please refer to [2].
> + - regulators: Regulator properties for LM3631 and LM3632.
> + Please refer to [3].
> +
> +[1] ../leds/backlight/ti-lmu-backlight.txt
> +[2] ../leds/leds-lm3633.txt
> +[3] ../regulator/lm363x-regulator.txt
> +
> +lm3532@38 {
> + compatible = "ti,lm3532";
> + reg = <0x38>;
> +
> + enable-gpios = <&pioC 2 GPIO_ACTIVE_HIGH>;
> +
> + backlight {
> + compatible = "ti,lm3532-backlight";
> +
> + lcd {
> + led-sources = <0 1 2>;
> + ramp-up-msec = <30>;
> + ramp-down-msec = <0>;
> + };
> + };
> +};
> +
> +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_bl {
> + led-sources = <0 1>;
> + ramp-up-msec = <300>;
> + };
> + };
> +};
> +
> +lm3632@11 {
> + compatible = "ti,lm3632";
> + reg = <0x11>;
> +
> + enable-gpios = <&pioC 2 GPIO_ACTIVE_HIGH>; /* PC2 */
> +
> + regulators {
> + compatible = "ti,lm363x-regulator";
> +
> + ti,lcm-en1-gpio = <&pioC 0 GPIO_ACTIVE_HIGH>; /* PC0 */
> + ti,lcm-en2-gpio = <&pioC 1 GPIO_ACTIVE_HIGH>; /* PC1 */
> +
> + 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";
> +
> + pwms = <&pwm0 0 10000 0>; /* pwm number, period, polarity */
> + pwm-names = "lmu-backlight";
> +
> + lcd {
> + led-sources = <0 1>;
> + pwm-period = <10000>;
> + };
> + };
> +};
> +
> +lm3633@36 {
> + compatible = "ti,lm3633";
> + reg = <0x36>;
> +
> + enable-gpios = <&pioC 2 GPIO_ACTIVE_HIGH>;
> +
> + backlight {
> + compatible = "ti,lm3633-backlight";
> +
> + main {
> + label = "main_lcd";
> + led-sources = <1 2>;
> + ramp-up-msec = <500>;
> + ramp-down-msec = <500>;
> + };
> +
> + front {
> + label = "front_lcd";
> + led-sources = <0>;
> + ramp-up-msec = <1000>;
> + ramp-down-msec = <0>;
> + };
> + };
> +
> + leds {
> + compatible = "ti,lm3633-leds";
> +
> + chan1 {
> + label = "status";
> + led-sources = <1>;
> + led-max-microamp = <6000>;
> + };
> +
> + chan345 {
> + label = "rgb";
> + led-sources = <3 4 5>;
> + led-max-microamp = <10000>;
> + };
> + };
> +
> + fault-monitor {
> + compatible = "ti,lm3633-fault-monitor";
> + };
> +};
> +
> +lm3695@63 {
> + compatible = "ti,lm3695";
> + reg = <0x63>;
> +
> + enable-gpios = <&pioC 2 GPIO_ACTIVE_HIGH>;
> +
> + backlight {
> + compatible = "ti,lm3695-backlight";
> +
> + lcd {
> + label = "bl";
> + led-sources = <0 1>;
> + };
> + };
> +};
> +
> +lm3697@36 {
> + compatible = "ti,lm3697";
> + reg = <0x36>;
> +
> + enable-gpios = <&pioC 2 GPIO_ACTIVE_HIGH>;
> +
> + backlight {
> + compatible = "ti,lm3697-backlight";
> +
> + lcd {
> + led-sources = <0 1 2>;
> + ramp-up-msec = <200>;
> + ramp-down-msec = <200>;
> + };
> + };
> +
> + fault-monitor {
> + compatible = "ti,lm3697-fault-monitor";
> + };
> +};
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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