diff options
Diffstat (limited to 'Documentation/devicetree/bindings')
13 files changed, 286 insertions, 109 deletions
diff --git a/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt b/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt new file mode 100644 index 000000000000..b13adf30b8d3 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt @@ -0,0 +1,32 @@ +Synopsys DesignWare MIPI DSI host controller +============================================ + +This document defines device tree properties for the Synopsys DesignWare MIPI +DSI host controller. It doesn't constitue a device tree binding specification +by itself but is meant to be referenced by platform-specific device tree +bindings. + +When referenced from platform device tree bindings the properties defined in +this document are defined as follows. The platform device tree bindings are +responsible for defining whether each optional property is used or not. + +- reg: Memory mapped base address and length of the DesignWare MIPI DSI + host controller registers. (mandatory) + +- clocks: References to all the clocks specified in the clock-names property + as specified in [1]. (mandatory) + +- clock-names: + - "pclk" is the peripheral clock for either AHB and APB. (mandatory) + - "px_clk" is the pixel clock for the DPI/RGB input. (optional) + +- resets: References to all the resets specified in the reset-names property + as specified in [2]. (optional) + +- reset-names: string reset name, must be "apb" if used. (optional) + +- panel or bridge node: see [3]. (mandatory) + +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/reset/reset.txt +[3] Documentation/devicetree/bindings/display/mipi-dsi-bus.txt diff --git a/Documentation/devicetree/bindings/display/exynos/exynos5433-decon.txt b/Documentation/devicetree/bindings/display/exynos/exynos5433-decon.txt index 549c538b38a5..fc2588292a68 100644 --- a/Documentation/devicetree/bindings/display/exynos/exynos5433-decon.txt +++ b/Documentation/devicetree/bindings/display/exynos/exynos5433-decon.txt @@ -25,12 +25,6 @@ Required properties: size-cells must 1 and 0, respectively. - port: contains an endpoint node which is connected to the endpoint in the mic node. The reg value muset be 0. -- i80-if-timings: specify whether the panel which is connected to decon uses - i80 lcd interface or mipi video interface. This node contains - no timing information as that of fimd does. Because there is - no register in decon to specify i80 interface timing value, - it is not needed, but make it remain to use same kind of node - in fimd and exynos7 decon. Example: SoC specific DT entry: @@ -59,9 +53,3 @@ decon: decon@13800000 { }; }; }; - -Board specific DT entry: -&decon { - i80-if-timings { - }; -}; diff --git a/Documentation/devicetree/bindings/display/repaper.txt b/Documentation/devicetree/bindings/display/repaper.txt new file mode 100644 index 000000000000..f5f9f9cf6a25 --- /dev/null +++ b/Documentation/devicetree/bindings/display/repaper.txt @@ -0,0 +1,52 @@ +Pervasive Displays RePaper branded e-ink displays + +Required properties: +- compatible: "pervasive,e1144cs021" for 1.44" display + "pervasive,e1190cs021" for 1.9" display + "pervasive,e2200cs021" for 2.0" display + "pervasive,e2271cs021" for 2.7" display + +- panel-on-gpios: Timing controller power control +- discharge-gpios: Discharge control +- reset-gpios: RESET pin +- busy-gpios: BUSY pin + +Required property for e2271cs021: +- border-gpios: Border control + +The node for this driver must be a child node of a SPI controller, hence +all mandatory properties described in ../spi/spi-bus.txt must be specified. + +Optional property: +- pervasive,thermal-zone: name of thermometer's thermal zone + +Example: + + display_temp: lm75@48 { + compatible = "lm75b"; + reg = <0x48>; + #thermal-sensor-cells = <0>; + }; + + thermal-zones { + display { + polling-delay-passive = <0>; + polling-delay = <0>; + thermal-sensors = <&display_temp>; + }; + }; + + papirus27@0{ + compatible = "pervasive,e2271cs021"; + reg = <0>; + + spi-max-frequency = <8000000>; + + panel-on-gpios = <&gpio 23 0>; + border-gpios = <&gpio 14 0>; + discharge-gpios = <&gpio 15 0>; + reset-gpios = <&gpio 24 0>; + busy-gpios = <&gpio 25 0>; + + pervasive,thermal-zone = "display"; + }; diff --git a/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt index 046076c6b277..fad8b7619647 100644 --- a/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt +++ b/Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt @@ -11,7 +11,9 @@ following device-specific properties. Required properties: -- compatible: Shall contain "rockchip,rk3288-dw-hdmi". +- compatible: should be one of the following: + "rockchip,rk3288-dw-hdmi" + "rockchip,rk3399-dw-hdmi" - reg: See dw_hdmi.txt. - reg-io-width: See dw_hdmi.txt. Shall be 4. - interrupts: HDMI interrupt number @@ -30,7 +32,8 @@ Optional properties I2C master controller. - clock-names: See dw_hdmi.txt. The "cec" clock is optional. - clock-names: May contain "cec" as defined in dw_hdmi.txt. - +- clock-names: May contain "grf", power for grf io. +- clock-names: May contain "vpll", external clock for some hdmi phy. Example: diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt index 9eb3f0a2a078..5d835d9c1ba8 100644 --- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt @@ -8,8 +8,12 @@ Required properties: - compatible: value should be one of the following "rockchip,rk3036-vop"; "rockchip,rk3288-vop"; + "rockchip,rk3368-vop"; + "rockchip,rk3366-vop"; "rockchip,rk3399-vop-big"; "rockchip,rk3399-vop-lit"; + "rockchip,rk3228-vop"; + "rockchip,rk3328-vop"; - interrupts: should contain a list of all VOP IP block interrupts in the order: VSYNC, LCD_SYSTEM. The interrupt specifier diff --git a/Documentation/devicetree/bindings/display/sitronix,st7586.txt b/Documentation/devicetree/bindings/display/sitronix,st7586.txt new file mode 100644 index 000000000000..1d0dad1210d3 --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7586.txt @@ -0,0 +1,22 @@ +Sitronix ST7586 display panel + +Required properties: +- compatible: "lego,ev3-lcd". +- a0-gpios: The A0 signal (since this binding is for serial mode, this is + the pin labeled D1 on the controller, not the pin labeled A0) +- reset-gpios: Reset pin + +The node for this driver must be a child node of a SPI controller, hence +all mandatory properties described in ../spi/spi-bus.txt must be specified. + +Optional properties: +- rotation: panel rotation in degrees counter clockwise (0,90,180,270) + +Example: + display@0{ + compatible = "lego,ev3-lcd"; + reg = <0>; + spi-max-frequency = <10000000>; + a0-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>; + }; diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt index 8e1476941c0f..74b5ac7b26d6 100644 --- a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt +++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt @@ -1,7 +1,6 @@ * STMicroelectronics STM32 lcd-tft display controller - ltdc: lcd-tft display controller host - must be a sub-node of st-display-subsystem Required properties: - compatible: "st,stm32-ltdc" - reg: Physical base address of the IP registers and length of memory mapped region. @@ -13,8 +12,40 @@ Required nodes: - Video port for RGB output. -Example: +* STMicroelectronics STM32 DSI controller specific extensions to Synopsys + DesignWare MIPI DSI host controller +The STMicroelectronics STM32 DSI controller uses the Synopsys DesignWare MIPI +DSI host controller. For all mandatory properties & nodes, please refer +to the related documentation in [5]. + +Mandatory properties specific to STM32 DSI: +- #address-cells: Should be <1>. +- #size-cells: Should be <0>. +- compatible: "st,stm32-dsi". +- clock-names: + - phy pll reference clock string name, must be "ref". +- resets: see [5]. +- reset-names: see [5]. + +Mandatory nodes specific to STM32 DSI: +- ports: A node containing DSI input & output port nodes with endpoint + definitions as documented in [3] & [4]. + - port@0: DSI input port node, connected to the ltdc rgb output port. + - port@1: DSI output port node, connected to a panel or a bridge input port. +- panel or bridge node: A node containing the panel or bridge description as + documented in [6]. + - port: panel or bridge port node, connected to the DSI output port (port@1). + +Note: You can find more documentation in the following references +[1] Documentation/devicetree/bindings/clock/clock-bindings.txt +[2] Documentation/devicetree/bindings/reset/reset.txt +[3] Documentation/devicetree/bindings/media/video-interfaces.txt +[4] Documentation/devicetree/bindings/graph.txt +[5] Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt +[6] Documentation/devicetree/bindings/display/mipi-dsi-bus.txt + +Example 1: RGB panel / { ... soc { @@ -34,3 +65,73 @@ Example: }; }; }; + +Example 2: DSI panel + +/ { + ... + soc { + ... + ltdc: display-controller@40016800 { + compatible = "st,stm32-ltdc"; + reg = <0x40016800 0x200>; + interrupts = <88>, <89>; + resets = <&rcc STM32F4_APB2_RESET(LTDC)>; + clocks = <&rcc 1 CLK_LCD>; + clock-names = "lcd"; + + port { + ltdc_out_dsi: endpoint { + remote-endpoint = <&dsi_in>; + }; + }; + }; + + + dsi: dsi@40016c00 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-dsi"; + reg = <0x40016c00 0x800>; + clocks = <&rcc 1 CLK_F469_DSI>, <&clk_hse>; + clock-names = "ref", "pclk"; + resets = <&rcc STM32F4_APB2_RESET(DSI)>; + reset-names = "apb"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsi_in: endpoint { + remote-endpoint = <<dc_out_dsi>; + }; + }; + + port@1 { + reg = <1>; + dsi_out: endpoint { + remote-endpoint = <&dsi_in_panel>; + }; + }; + + }; + + panel-dsi@0 { + reg = <0>; /* dsi virtual channel (0..3) */ + compatible = ...; + enable-gpios = ...; + + port { + dsi_in_panel: endpoint { + remote-endpoint = <&dsi_out>; + }; + }; + + }; + + }; + + }; +}; diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt index b83e6018041d..2ee6ff0ef98e 100644 --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt @@ -4,15 +4,33 @@ Allwinner A10 Display Pipeline The Allwinner A10 Display pipeline is composed of several components that are going to be documented below: -For the input port of all components up to the TCON in the display -pipeline, if there are multiple components, the local endpoint IDs -must correspond to the index of the upstream block. For example, if -the remote endpoint is Frontend 1, then the local endpoint ID must -be 1. - -Conversely, for the output ports of the same group, the remote endpoint -ID must be the index of the local hardware block. If the local backend -is backend 1, then the remote endpoint ID must be 1. +For all connections between components up to the TCONs in the display +pipeline, when there are multiple components of the same type at the +same depth, the local endpoint ID must be the same as the remote +component's index. For example, if the remote endpoint is Frontend 1, +then the local endpoint ID must be 1. + + Frontend 0 [0] ------- [0] Backend 0 [0] ------- [0] TCON 0 + [1] -- -- [1] [1] -- -- [1] + \ / \ / + X X + / \ / \ + [0] -- -- [0] [0] -- -- [0] + Frontend 1 [1] ------- [1] Backend 1 [1] ------- [1] TCON 1 + +For a two pipeline system such as the one depicted above, the lines +represent the connections between the components, while the numbers +within the square brackets corresponds to the ID of the local endpoint. + +The same rule also applies to DE 2.0 mixer-TCON connections: + + Mixer 0 [0] ----------- [0] TCON 0 + [1] ---- ---- [1] + \ / + X + / \ + [0] ---- ---- [0] + Mixer 1 [1] ----------- [1] TCON 1 HDMI Encoder ------------ diff --git a/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt b/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt index cf4460564adb..367c8203213b 100644 --- a/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt +++ b/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt @@ -11,6 +11,8 @@ Required properties for pwm-tacho node: - #size-cells : should be 1. +- #cooling-cells: should be 2. + - reg : address and length of the register set for the device. - pinctrl-names : a pinctrl state named "default" must be defined. @@ -28,12 +30,17 @@ fan subnode format: Under fan subnode there can upto 8 child nodes, with each child node representing a fan. If there are 8 fans each fan can have one PWM port and one/two Fan tach inputs. +For PWM port can be configured cooling-levels to create cooling device. +Cooling device could be bound to a thermal zone for the thermal control. Required properties for each child node: - reg : should specify PWM source port. integer value in the range 0 to 7 with 0 indicating PWM port A and 7 indicating PWM port H. +- cooling-levels: PWM duty cycle values in a range from 0 to 255 + which correspond to thermal cooling states. + - aspeed,fan-tach-ch : should specify the Fan tach input channel. integer value in the range 0 through 15, with 0 indicating Fan tach channel 0 and 15 indicating Fan tach channel 15. @@ -50,6 +57,7 @@ pwm_tacho_fixed_clk: fixedclk { pwm_tacho: pwmtachocontroller@1e786000 { #address-cells = <1>; #size-cells = <1>; + #cooling-cells = <2>; reg = <0x1E786000 0x1000>; compatible = "aspeed,ast2500-pwm-tacho"; clocks = <&pwm_tacho_fixed_clk>; @@ -58,6 +66,7 @@ pwm_tacho: pwmtachocontroller@1e786000 { fan@0 { reg = <0x00>; + cooling-levels = /bits/ 8 <125 151 177 203 229 255>; aspeed,fan-tach-ch = /bits/ 8 <0x00>; }; diff --git a/Documentation/devicetree/bindings/hwmon/ibm,cffps1.txt b/Documentation/devicetree/bindings/hwmon/ibm,cffps1.txt new file mode 100644 index 000000000000..f68a0a68fc52 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ibm,cffps1.txt @@ -0,0 +1,21 @@ +Device-tree bindings for IBM Common Form Factor Power Supply Version 1 +---------------------------------------------------------------------- + +Required properties: + - compatible = "ibm,cffps1"; + - reg = < I2C bus address >; : Address of the power supply on the + I2C bus. + +Example: + + i2c-bus@100 { + #address-cells = <1>; + #size-cells = <0>; + #interrupt-cells = <1>; + < more properties > + + power-supply@68 { + compatible = "ibm,cffps1"; + reg = <0x68>; + }; + }; diff --git a/Documentation/devicetree/bindings/hwmon/ltq-cputemp.txt b/Documentation/devicetree/bindings/hwmon/ltq-cputemp.txt new file mode 100644 index 000000000000..33fd00a987c7 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ltq-cputemp.txt @@ -0,0 +1,10 @@ +Lantiq cpu temperatur sensor + +Requires node properties: +- compatible value : + "lantiq,cputemp" + +Example: + cputemp@0 { + compatible = "lantiq,cputemp"; + }; diff --git a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt b/Documentation/devicetree/bindings/net/dwmac-sun8i.txt deleted file mode 100644 index 725f3b187886..000000000000 --- a/Documentation/devicetree/bindings/net/dwmac-sun8i.txt +++ /dev/null @@ -1,84 +0,0 @@ -* Allwinner sun8i GMAC ethernet controller - -This device is a platform glue layer for stmmac. -Please see stmmac.txt for the other unchanged properties. - -Required properties: -- compatible: should be one of the following string: - "allwinner,sun8i-a83t-emac" - "allwinner,sun8i-h3-emac" - "allwinner,sun8i-v3s-emac" - "allwinner,sun50i-a64-emac" -- reg: address and length of the register for the device. -- interrupts: interrupt for the device -- interrupt-names: should be "macirq" -- clocks: A phandle to the reference clock for this device -- clock-names: should be "stmmaceth" -- resets: A phandle to the reset control for this device -- reset-names: should be "stmmaceth" -- phy-mode: See ethernet.txt -- phy-handle: See ethernet.txt -- #address-cells: shall be 1 -- #size-cells: shall be 0 -- syscon: A phandle to the syscon of the SoC with one of the following - compatible string: - - allwinner,sun8i-h3-system-controller - - allwinner,sun8i-v3s-system-controller - - allwinner,sun50i-a64-system-controller - - allwinner,sun8i-a83t-system-controller - -Optional properties: -- allwinner,tx-delay-ps: TX clock delay chain value in ps. Range value is 0-700. Default is 0) -- allwinner,rx-delay-ps: RX clock delay chain value in ps. Range value is 0-3100. Default is 0) -Both delay properties need to be a multiple of 100. They control the delay for -external PHY. - -Optional properties for the following compatibles: - - "allwinner,sun8i-h3-emac", - - "allwinner,sun8i-v3s-emac": -- allwinner,leds-active-low: EPHY LEDs are active low - -Required child node of emac: -- mdio bus node: should be named mdio - -Required properties of the mdio node: -- #address-cells: shall be 1 -- #size-cells: shall be 0 - -The device node referenced by "phy" or "phy-handle" should be a child node -of the mdio node. See phy.txt for the generic PHY bindings. - -Required properties of the phy node with the following compatibles: - - "allwinner,sun8i-h3-emac", - - "allwinner,sun8i-v3s-emac": -- clocks: a phandle to the reference clock for the EPHY -- resets: a phandle to the reset control for the EPHY - -Example: - -emac: ethernet@1c0b000 { - compatible = "allwinner,sun8i-h3-emac"; - syscon = <&syscon>; - reg = <0x01c0b000 0x104>; - interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "macirq"; - resets = <&ccu RST_BUS_EMAC>; - reset-names = "stmmaceth"; - clocks = <&ccu CLK_BUS_EMAC>; - clock-names = "stmmaceth"; - #address-cells = <1>; - #size-cells = <0>; - - phy-handle = <&int_mii_phy>; - phy-mode = "mii"; - allwinner,leds-active-low; - mdio: mdio { - #address-cells = <1>; - #size-cells = <0>; - int_mii_phy: ethernet-phy@1 { - reg = <1>; - clocks = <&ccu CLK_BUS_EPHY>; - resets = <&ccu RST_BUS_EPHY>; - }; - }; -}; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index daf465bef758..36b27b1efec6 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -249,6 +249,7 @@ oxsemi Oxford Semiconductor, Ltd. panasonic Panasonic Corporation parade Parade Technologies Inc. pericom Pericom Technology Inc. +pervasive Pervasive Displays, Inc. phytec PHYTEC Messtechnik GmbH picochip Picochip Ltd pine64 Pine64 |