diff options
Diffstat (limited to 'Documentation/devicetree/bindings/video')
6 files changed, 136 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/video/atmel,lcdc.txt b/Documentation/devicetree/bindings/video/atmel,lcdc.txt new file mode 100644 index 000000000000..1ec175eddca8 --- /dev/null +++ b/Documentation/devicetree/bindings/video/atmel,lcdc.txt @@ -0,0 +1,75 @@ +Atmel LCDC Framebuffer +----------------------------------------------------- + +Required properties: +- compatible : + "atmel,at91sam9261-lcdc" , + "atmel,at91sam9263-lcdc" , + "atmel,at91sam9g10-lcdc" , + "atmel,at91sam9g45-lcdc" , + "atmel,at91sam9g45es-lcdc" , + "atmel,at91sam9rl-lcdc" , + "atmel,at32ap-lcdc" +- reg : Should contain 1 register ranges(address and length) +- interrupts : framebuffer controller interrupt +- display: a phandle pointing to the display node + +Required nodes: +- display: a display node is required to initialize the lcd panel + This should be in the board dts. +- default-mode: a videomode within the display with timing parameters + as specified below. + +Example: + + fb0: fb@0x00500000 { + compatible = "atmel,at91sam9g45-lcdc"; + reg = <0x00500000 0x1000>; + interrupts = <23 3 0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_fb>; + display = <&display0>; + status = "okay"; + #address-cells = <1>; + #size-cells = <1>; + + }; + +Atmel LCDC Display +----------------------------------------------------- +Required properties (as per of_videomode_helper): + + - atmel,dmacon: dma controler configuration + - atmel,lcdcon2: lcd controler configuration + - atmel,guard-time: lcd guard time (Delay in frame periods) + - bits-per-pixel: lcd panel bit-depth. + +Optional properties (as per of_videomode_helper): + - atmel,lcdcon-backlight: enable backlight + - atmel,lcd-wiring-mode: lcd wiring mode "RGB" or "BRG" + - atmel,power-control-gpio: gpio to power on or off the LCD (as many as needed) + +Example: + display0: display { + bits-per-pixel = <32>; + atmel,lcdcon-backlight; + atmel,dmacon = <0x1>; + atmel,lcdcon2 = <0x80008002>; + atmel,guard-time = <9>; + atmel,lcd-wiring-mode = <1>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <9000000>; + hactive = <480>; + vactive = <272>; + hback-porch = <1>; + hfront-porch = <1>; + vback-porch = <40>; + vfront-porch = <1>; + hsync-len = <45>; + vsync-len = <1>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/video/backlight/lp855x.txt b/Documentation/devicetree/bindings/video/backlight/lp855x.txt index 1482103d288f..96e83a56048e 100644 --- a/Documentation/devicetree/bindings/video/backlight/lp855x.txt +++ b/Documentation/devicetree/bindings/video/backlight/lp855x.txt @@ -2,7 +2,7 @@ lp855x bindings Required properties: - compatible: "ti,lp8550", "ti,lp8551", "ti,lp8552", "ti,lp8553", - "ti,lp8556", "ti,lp8557" + "ti,lp8555", "ti,lp8556", "ti,lp8557" - reg: I2C slave address (u8) - dev-ctrl: Value of DEVICE CONTROL register (u8). It depends on the device. @@ -15,6 +15,33 @@ Optional properties: 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"; diff --git a/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt b/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt index 1e4fc727f3b1..764db86d441a 100644 --- a/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt +++ b/Documentation/devicetree/bindings/video/backlight/pwm-backlight.txt @@ -10,12 +10,16 @@ Required properties: 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: @@ -25,4 +29,7 @@ Example: 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/Documentation/devicetree/bindings/video/exynos_dp.txt b/Documentation/devicetree/bindings/video/exynos_dp.txt index 84f10c16cb38..3289d76a21d0 100644 --- a/Documentation/devicetree/bindings/video/exynos_dp.txt +++ b/Documentation/devicetree/bindings/video/exynos_dp.txt @@ -6,10 +6,10 @@ We use two nodes: -dptx-phy node(defined inside dp-controller node) For the DP-PHY initialization, we use the dptx-phy node. -Required properties for dptx-phy: - -reg: +Required properties for dptx-phy: deprecated, use phys and phy-names + -reg: deprecated Base address of DP PHY register. - -samsung,enable-mask: + -samsung,enable-mask: deprecated The bit-mask used to enable/disable DP PHY. For the Panel initialization, we read data from dp-controller node. @@ -27,6 +27,10 @@ Required properties for dp-controller: from common clock binding: Shall be "dp". -interrupt-parent: phandle to Interrupt combiner node. + -phys: + from general PHY binding: the phandle for the PHY device. + -phy-names: + from general PHY binding: Should be "dp". -samsung,color-space: input video data format. COLOR_RGB = 0, COLOR_YCBCR422 = 1, COLOR_YCBCR444 = 2 @@ -68,11 +72,8 @@ SOC specific portion: clocks = <&clock 342>; clock-names = "dp"; - dptx-phy { - reg = <0x10040720>; - samsung,enable-mask = <1>; - }; - + phys = <&dp_phy>; + phy-names = "dp"; }; Board Specific portion: diff --git a/Documentation/devicetree/bindings/video/exynos_hdmi.txt b/Documentation/devicetree/bindings/video/exynos_hdmi.txt index 323983be3c30..50decf8e1b90 100644 --- a/Documentation/devicetree/bindings/video/exynos_hdmi.txt +++ b/Documentation/devicetree/bindings/video/exynos_hdmi.txt @@ -12,7 +12,19 @@ Required properties: a) phandle of the gpio controller node. b) pin number within the gpio controller. c) optional flags and pull up/down. - +- clocks: list of clock IDs from SoC clock driver. + a) hdmi: Gate of HDMI IP bus clock. + b) sclk_hdmi: Gate of HDMI special clock. + c) sclk_pixel: Pixel special clock, one of the two possible inputs of + HDMI clock mux. + d) sclk_hdmiphy: HDMI PHY clock output, one of two possible inputs of + HDMI clock mux. + e) mout_hdmi: It is required by the driver to switch between the 2 + parents i.e. sclk_pixel and sclk_hdmiphy. If hdmiphy is stable + after configuration, parent is set to sclk_hdmiphy else + sclk_pixel. +- clock-names: aliases as per driver requirements for above clock IDs: + "hdmi", "sclk_hdmi", "sclk_pixel", "sclk_hdmiphy" and "mout_hdmi". Example: hdmi { diff --git a/Documentation/devicetree/bindings/video/exynos_mixer.txt b/Documentation/devicetree/bindings/video/exynos_mixer.txt index 3334b0a8e343..7bfde9c9d658 100644 --- a/Documentation/devicetree/bindings/video/exynos_mixer.txt +++ b/Documentation/devicetree/bindings/video/exynos_mixer.txt @@ -10,6 +10,10 @@ Required properties: - reg: physical base address of the mixer and length of memory mapped region. - interrupts: interrupt number to the cpu. +- clocks: list of clock IDs from SoC clock driver. + a) mixer: Gate of Mixer IP bus clock. + b) sclk_hdmi: HDMI Special clock, one of the two possible inputs of + mixer mux. Example: |