diff options
Diffstat (limited to 'Documentation/devicetree/bindings')
15 files changed, 229 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/arm-boards b/Documentation/devicetree/bindings/arm/arm-boards new file mode 100644 index 000000000000..91f26148af79 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/arm-boards @@ -0,0 +1,20 @@ +ARM Versatile Application and Platform Baseboards +------------------------------------------------- +ARM's development hardware platform with connectors for customizable +core tiles. The hardware configuration of the Versatile boards is +highly customizable. + +Required properties (in root node): + compatible = "arm,versatile-ab"; /* Application baseboard */ + compatible = "arm,versatile-pb"; /* Platform baseboard */ + +Interrupt controllers: +- VIC required properties: + compatible = "arm,versatile-vic"; + interrupt-controller; + #interrupt-cells = <1>; + +- SIC required properties: + compatible = "arm,versatile-sic"; + interrupt-controller; + #interrupt-cells = <1>; diff --git a/Documentation/devicetree/bindings/arm/sirf.txt b/Documentation/devicetree/bindings/arm/sirf.txt new file mode 100644 index 000000000000..6b07f65b32de --- /dev/null +++ b/Documentation/devicetree/bindings/arm/sirf.txt @@ -0,0 +1,3 @@ +prima2 "cb" evalutation board +Required root node properties: + - compatible = "sirf,prima2-cb", "sirf,prima2"; diff --git a/Documentation/devicetree/bindings/arm/xilinx.txt b/Documentation/devicetree/bindings/arm/xilinx.txt new file mode 100644 index 000000000000..6f1ed830b4f7 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/xilinx.txt @@ -0,0 +1,7 @@ +Xilinx Zynq EP107 Emulation Platform board + +This board is an emulation platform for the Zynq product which is +based on an ARM Cortex A9 processor. + +Required root node properties: + - compatible = "xlnx,zynq-ep107"; diff --git a/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt new file mode 100644 index 000000000000..d1e3f443e205 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt @@ -0,0 +1,17 @@ +* Freescale Smart Direct Memory Access (SDMA) Controller for i.MX + +Required properties: +- compatible : Should be "fsl,<chip>-sdma" +- reg : Should contain SDMA registers location and length +- interrupts : Should contain SDMA interrupt +- fsl,sdma-ram-script-name : Should contain the full path of SDMA RAM + scripts firmware + +Examples: + +sdma@83fb0000 { + compatible = "fsl,imx51-sdma", "fsl,imx35-sdma"; + reg = <0x83fb0000 0x4000>; + interrupts = <6>; + fsl,sdma-ram-script-name = "sdma-imx51.bin"; +}; diff --git a/Documentation/devicetree/bindings/gpio/gpio_keys.txt b/Documentation/devicetree/bindings/gpio/gpio_keys.txt new file mode 100644 index 000000000000..5c2c02140a62 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio_keys.txt @@ -0,0 +1,36 @@ +Device-Tree bindings for input/gpio_keys.c keyboard driver + +Required properties: + - compatible = "gpio-keys"; + +Optional properties: + - autorepeat: Boolean, Enable auto repeat feature of Linux input + subsystem. + +Each button (key) is represented as a sub-node of "gpio-keys": +Subnode properties: + + - gpios: OF device-tree gpio specification. + - label: Descriptive name of the key. + - linux,code: Keycode to emit. + +Optional subnode-properties: + - linux,input-type: Specify event type this button/key generates. + If not specified defaults to <1> == EV_KEY. + - debounce-interval: Debouncing interval time in milliseconds. + If not specified defaults to 5. + - gpio-key,wakeup: Boolean, button can wake-up the system. + +Example nodes: + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + autorepeat; + button@21 { + label = "GPIO Key UP"; + linux,code = <103>; + gpios = <&gpio1 0 1>; + }; + ... diff --git a/Documentation/devicetree/bindings/i2c/arm-versatile.txt b/Documentation/devicetree/bindings/i2c/arm-versatile.txt new file mode 100644 index 000000000000..361d31c51b6f --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/arm-versatile.txt @@ -0,0 +1,10 @@ +i2c Controller on ARM Versatile platform: + +Required properties: +- compatible : Must be "arm,versatile-i2c"; +- reg +- #address-cells = <1>; +- #size-cells = <0>; + +Optional properties: +- Child nodes conforming to i2c bus binding diff --git a/Documentation/devicetree/bindings/input/fsl-mma8450.txt b/Documentation/devicetree/bindings/input/fsl-mma8450.txt new file mode 100644 index 000000000000..a00c94ccbdee --- /dev/null +++ b/Documentation/devicetree/bindings/input/fsl-mma8450.txt @@ -0,0 +1,11 @@ +* Freescale MMA8450 3-Axis Accelerometer + +Required properties: +- compatible : "fsl,mma8450". + +Example: + +accelerometer: mma8450@1c { + compatible = "fsl,mma8450"; + reg = <0x1c>; +}; diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt new file mode 100644 index 000000000000..ab22fe6e73ab --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt @@ -0,0 +1,34 @@ +* Freescale Enhanced Secure Digital Host Controller (eSDHC) for i.MX + +The Enhanced Secure Digital Host Controller on Freescale i.MX family +provides an interface for MMC, SD, and SDIO types of memory cards. + +Required properties: +- compatible : Should be "fsl,<chip>-esdhc" +- reg : Should contain eSDHC registers location and length +- interrupts : Should contain eSDHC interrupt + +Optional properties: +- fsl,card-wired : Indicate the card is wired to host permanently +- fsl,cd-internal : Indicate to use controller internal card detection +- fsl,wp-internal : Indicate to use controller internal write protection +- cd-gpios : Specify GPIOs for card detection +- wp-gpios : Specify GPIOs for write protection + +Examples: + +esdhc@70004000 { + compatible = "fsl,imx51-esdhc"; + reg = <0x70004000 0x4000>; + interrupts = <1>; + fsl,cd-internal; + fsl,wp-internal; +}; + +esdhc@70008000 { + compatible = "fsl,imx51-esdhc"; + reg = <0x70008000 0x4000>; + interrupts = <2>; + cd-gpios = <&gpio0 6 0>; /* GPIO1_6 */ + wp-gpios = <&gpio0 5 0>; /* GPIO1_5 */ +}; diff --git a/Documentation/devicetree/bindings/mtd/arm-versatile.txt b/Documentation/devicetree/bindings/mtd/arm-versatile.txt new file mode 100644 index 000000000000..476845db94d0 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/arm-versatile.txt @@ -0,0 +1,8 @@ +Flash device on ARM Versatile board + +Required properties: +- compatible : must be "arm,versatile-flash"; +- bank-width : width in bytes of flash interface. + +Optional properties: +- Subnode partition map from mtd flash binding diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt new file mode 100644 index 000000000000..de439517dff0 --- /dev/null +++ b/Documentation/devicetree/bindings/net/fsl-fec.txt @@ -0,0 +1,24 @@ +* Freescale Fast Ethernet Controller (FEC) + +Required properties: +- compatible : Should be "fsl,<soc>-fec" +- reg : Address and length of the register set for the device +- interrupts : Should contain fec interrupt +- phy-mode : String, operation mode of the PHY interface. + Supported values are: "mii", "gmii", "sgmii", "tbi", "rmii", + "rgmii", "rgmii-id", "rgmii-rxid", "rgmii-txid", "rtbi", "smii". +- phy-reset-gpios : Should specify the gpio for phy reset + +Optional properties: +- local-mac-address : 6 bytes, mac address + +Example: + +fec@83fec000 { + compatible = "fsl,imx51-fec", "fsl,imx27-fec"; + reg = <0x83fec000 0x4000>; + interrupts = <87>; + phy-mode = "mii"; + phy-reset-gpios = <&gpio1 14 0>; /* GPIO2_14 */ + local-mac-address = [00 04 9F 01 1B B9]; +}; diff --git a/Documentation/devicetree/bindings/net/smsc-lan91c111.txt b/Documentation/devicetree/bindings/net/smsc-lan91c111.txt new file mode 100644 index 000000000000..953049b4248a --- /dev/null +++ b/Documentation/devicetree/bindings/net/smsc-lan91c111.txt @@ -0,0 +1,10 @@ +SMSC LAN91c111 Ethernet mac + +Required properties: +- compatible = "smsc,lan91c111"; +- reg : physical address and size of registers +- interrupts : interrupt connection + +Optional properties: +- phy-device : phandle to Ethernet phy +- local-mac-address : Ethernet mac address to use diff --git a/Documentation/devicetree/bindings/rtc/olpc-xo1-rtc.txt b/Documentation/devicetree/bindings/rtc/olpc-xo1-rtc.txt new file mode 100644 index 000000000000..a2891ceb6344 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/olpc-xo1-rtc.txt @@ -0,0 +1,5 @@ +OLPC XO-1 RTC +~~~~~~~~~~~~~ + +Required properties: + - compatible : "olpc,xo1-rtc" diff --git a/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt new file mode 100644 index 000000000000..a9c0406280e8 --- /dev/null +++ b/Documentation/devicetree/bindings/tty/serial/fsl-imx-uart.txt @@ -0,0 +1,19 @@ +* Freescale i.MX Universal Asynchronous Receiver/Transmitter (UART) + +Required properties: +- compatible : Should be "fsl,<soc>-uart" +- reg : Address and length of the register set for the device +- interrupts : Should contain uart interrupt + +Optional properties: +- fsl,uart-has-rtscts : Indicate the uart has rts and cts +- fsl,irda-mode : Indicate the uart supports irda mode + +Example: + +uart@73fbc000 { + compatible = "fsl,imx51-uart", "fsl,imx21-uart"; + reg = <0x73fbc000 0x4000>; + interrupts = <31>; + fsl,uart-has-rtscts; +}; diff --git a/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt new file mode 100644 index 000000000000..2144af1a5264 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt @@ -0,0 +1,14 @@ +* Freescale i.MX Watchdog Timer (WDT) Controller + +Required properties: +- compatible : Should be "fsl,<soc>-wdt" +- reg : Should contain WDT registers location and length +- interrupts : Should contain WDT interrupt + +Examples: + +wdt@73f98000 { + compatible = "fsl,imx51-wdt", "fsl,imx21-wdt"; + reg = <0x73f98000 0x4000>; + interrupts = <58>; +}; diff --git a/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt new file mode 100644 index 000000000000..79ead8263ae4 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/samsung-wdt.txt @@ -0,0 +1,11 @@ +* Samsung's Watchdog Timer Controller + +The Samsung's Watchdog controller is used for resuming system operation +after a preset amount of time during which the WDT reset event has not +occured. + +Required properties: +- compatible : should be "samsung,s3c2410-wdt" +- reg : base physical address of the controller and length of memory mapped + region. +- interrupts : interrupt number to the cpu. |