diff options
Diffstat (limited to 'kernel/Documentation/devicetree/bindings/video/backlight')
7 files changed, 0 insertions, 202 deletions
diff --git a/kernel/Documentation/devicetree/bindings/video/backlight/88pm860x.txt b/kernel/Documentation/devicetree/bindings/video/backlight/88pm860x.txt deleted file mode 100644 index 261df2799..000000000 --- a/kernel/Documentation/devicetree/bindings/video/backlight/88pm860x.txt +++ /dev/null @@ -1,15 +0,0 @@ -88pm860x-backlight bindings - -Optional properties: - - marvell,88pm860x-iset: Current supplies on backlight device. - - marvell,88pm860x-pwm: PWM frequency on backlight device. - -Example: - - backlights { - backlight-0 { - marvell,88pm860x-iset = <4>; - marvell,88pm860x-pwm = <3>; - }; - backlight-2 { - }; diff --git a/kernel/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt b/kernel/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt deleted file mode 100644 index 321be6640..000000000 --- a/kernel/Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt +++ /dev/null @@ -1,16 +0,0 @@ -gpio-backlight bindings - -Required properties: - - compatible: "gpio-backlight" - - gpios: describes the gpio that is used for enabling/disabling the backlight. - refer to bindings/gpio/gpio.txt for more details. - -Optional properties: - - default-on: enable the backlight at boot. - -Example: - backlight { - compatible = "gpio-backlight"; - gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>; - default-on; - }; diff --git a/kernel/Documentation/devicetree/bindings/video/backlight/lp855x.txt b/kernel/Documentation/devicetree/bindings/video/backlight/lp855x.txt deleted file mode 100644 index 0a3ecbc3a..000000000 --- a/kernel/Documentation/devicetree/bindings/video/backlight/lp855x.txt +++ /dev/null @@ -1,70 +0,0 @@ -lp855x bindings - -Required properties: - - compatible: "ti,lp8550", "ti,lp8551", "ti,lp8552", "ti,lp8553", - "ti,lp8555", "ti,lp8556", "ti,lp8557" - - reg: I2C slave address (u8) - - dev-ctrl: Value of DEVICE CONTROL register (u8). It depends on the device. - -Optional properties: - - bl-name: Backlight device name (string) - - init-brt: Initial value of backlight brightness (u8) - - pwm-period: PWM period value. Set only PWM input mode used (u32) - - rom-addr: Register address of ROM area to be updated (u8) - - rom-val: Register value to be updated (u8) - - power-supply: Regulator which controls the 3V rail - -Example: - - /* LP8555 */ - backlight@2c { - compatible = "ti,lp8555"; - reg = <0x2c>; - - dev-ctrl = /bits/ 8 <0x00>; - pwm-period = <10000>; - - /* 4V OV, 4 output LED0 string enabled */ - rom_14h { - rom-addr = /bits/ 8 <0x14>; - rom-val = /bits/ 8 <0xcf>; - }; - - /* Heavy smoothing, 24ms ramp time step */ - rom_15h { - rom-addr = /bits/ 8 <0x15>; - rom-val = /bits/ 8 <0xc7>; - }; - - /* 4 output LED1 string enabled */ - rom_19h { - rom-addr = /bits/ 8 <0x19>; - rom-val = /bits/ 8 <0x0f>; - }; - }; - - /* LP8556 */ - backlight@2c { - compatible = "ti,lp8556"; - reg = <0x2c>; - - bl-name = "lcd-bl"; - dev-ctrl = /bits/ 8 <0x85>; - init-brt = /bits/ 8 <0x10>; - }; - - /* LP8557 */ - backlight@2c { - compatible = "ti,lp8557"; - reg = <0x2c>; - power-supply = <&backlight_vdd>; - - dev-ctrl = /bits/ 8 <0x41>; - init-brt = /bits/ 8 <0x0a>; - - /* 4V OV, 4 output LED string enabled */ - rom_14h { - rom-addr = /bits/ 8 <0x14>; - rom-val = /bits/ 8 <0xcf>; - }; - }; diff --git a/kernel/Documentation/devicetree/bindings/video/backlight/max8925-backlight.txt b/kernel/Documentation/devicetree/bindings/video/backlight/max8925-backlight.txt deleted file mode 100644 index b4cffdaa4..000000000 --- a/kernel/Documentation/devicetree/bindings/video/backlight/max8925-backlight.txt +++ /dev/null @@ -1,10 +0,0 @@ -88pm860x-backlight bindings - -Optional properties: - - maxim,max8925-dual-string: whether support dual string - -Example: - - backlights { - maxim,max8925-dual-string = <0>; - }; diff --git a/kernel/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt b/kernel/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt deleted file mode 100644 index 764db86d4..000000000 --- a/kernel/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt +++ /dev/null @@ -1,35 +0,0 @@ -pwm-backlight bindings - -Required properties: - - compatible: "pwm-backlight" - - pwms: OF device-tree PWM specification (see PWM binding[0]) - - brightness-levels: Array of distinct brightness levels. Typically these - are in the range from 0 to 255, but any range starting at 0 will do. - The actual brightness level (PWM duty cycle) will be interpolated - from these values. 0 means a 0% duty cycle (darkest/off), while the - last value in the array represents a 100% duty cycle (brightest). - - default-brightness-level: the default brightness level (index into the - array defined by the "brightness-levels" property) - - power-supply: regulator for supply voltage - -Optional properties: - - pwm-names: a list of names for the PWM devices specified in the - "pwms" property (see PWM binding[0]) - - enable-gpios: contains a single GPIO specifier for the GPIO which enables - and disables the backlight (see GPIO binding[1]) - -[0]: Documentation/devicetree/bindings/pwm/pwm.txt -[1]: Documentation/devicetree/bindings/gpio/gpio.txt - -Example: - - backlight { - compatible = "pwm-backlight"; - pwms = <&pwm 0 5000000>; - - brightness-levels = <0 4 8 16 32 64 128 255>; - default-brightness-level = <6>; - - power-supply = <&vdd_bl_reg>; - enable-gpios = <&gpio 58 0>; - }; diff --git a/kernel/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt b/kernel/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt deleted file mode 100644 index 8bf2940f5..000000000 --- a/kernel/Documentation/devicetree/bindings/video/backlight/sky81452-backlight.txt +++ /dev/null @@ -1,29 +0,0 @@ -SKY81452-backlight bindings - -Required properties: -- compatible : Must be "skyworks,sky81452-backlight" - -Optional properties: -- name : Name of backlight device. Default is 'lcd-backlight'. -- gpios : GPIO to use to EN pin. - See Documentation/devicetree/bindings/gpio/gpio.txt -- led-sources : List of enabled channels from 0 to 5. - See Documentation/devicetree/bindings/leds/common.txt -- skyworks,ignore-pwm : Ignore both PWM input -- skyworks,dpwm-mode : Enable DPWM dimming mode, otherwise Analog dimming. -- skyworks,phase-shift : Enable phase shift mode -- skyworks,short-detection-threshold-volt - : It should be one of 4, 5, 6 and 7V. -- skyworks,current-limit-mA - : It should be 2300mA or 2750mA. - -Example: - - backlight { - compatible = "skyworks,sky81452-backlight"; - name = "pwm-backlight"; - led-sources = <0 1 2 5>; - skyworks,ignore-pwm; - skyworks,phase-shift; - skyworks,current-limit-mA = <2300>; - }; diff --git a/kernel/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt b/kernel/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt deleted file mode 100644 index 5fb9279ac..000000000 --- a/kernel/Documentation/devicetree/bindings/video/backlight/tps65217-backlight.txt +++ /dev/null @@ -1,27 +0,0 @@ -TPS65217 family of regulators - -The TPS65217 chip contains a boost converter and current sinks which can be -used to drive LEDs for use as backlights. - -Required properties: -- compatible: "ti,tps65217" -- reg: I2C slave address -- backlight: node for specifying WLED1 and WLED2 lines in TPS65217 -- isel: selection bit, valid values: 1 for ISEL1 (low-level) and 2 for ISEL2 (high-level) -- fdim: PWM dimming frequency, valid values: 100, 200, 500, 1000 -- default-brightness: valid values: 0-100 - -Each regulator is defined using the standard binding for regulators. - -Example: - - tps: tps@24 { - reg = <0x24>; - compatible = "ti,tps65217"; - backlight { - isel = <1>; /* 1 - ISET1, 2 ISET2 */ - fdim = <100>; /* TPS65217_BL_FDIM_100HZ */ - default-brightness = <50>; - }; - }; - |