diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/primecell.txt | 21 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/crypto/fsl-sec2.txt (renamed from Documentation/devicetree/bindings/powerpc/fsl/sec.txt) | 2 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/tty/serial/of-serial.txt | 36 |
3 files changed, 58 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/arm/primecell.txt b/Documentation/devicetree/bindings/arm/primecell.txt new file mode 100644 index 00000000000..1d5d7a870ec --- /dev/null +++ b/Documentation/devicetree/bindings/arm/primecell.txt @@ -0,0 +1,21 @@ +* ARM Primecell Peripherals + +ARM, Ltd. Primecell peripherals have a standard id register that can be used to +identify the peripheral type, vendor, and revision. This value can be used for +driver matching. + +Required properties: + +- compatible : should be a specific value for peripheral and "arm,primecell" + +Optional properties: + +- arm,primecell-periphid : Value to override the h/w value with + +Example: + +serial@fff36000 { + compatible = "arm,pl011", "arm,primecell"; + arm,primecell-periphid = <0x00341011>; +}; + diff --git a/Documentation/devicetree/bindings/powerpc/fsl/sec.txt b/Documentation/devicetree/bindings/crypto/fsl-sec2.txt index 2b6f2d45c45..38988ef1336 100644 --- a/Documentation/devicetree/bindings/powerpc/fsl/sec.txt +++ b/Documentation/devicetree/bindings/crypto/fsl-sec2.txt @@ -1,4 +1,4 @@ -Freescale SoC SEC Security Engines +Freescale SoC SEC Security Engines versions 2.x-3.x Required properties: diff --git a/Documentation/devicetree/bindings/tty/serial/of-serial.txt b/Documentation/devicetree/bindings/tty/serial/of-serial.txt new file mode 100644 index 00000000000..b8b27b0aca1 --- /dev/null +++ b/Documentation/devicetree/bindings/tty/serial/of-serial.txt @@ -0,0 +1,36 @@ +* UART (Universal Asynchronous Receiver/Transmitter) + +Required properties: +- compatible : one of: + - "ns8250" + - "ns16450" + - "ns16550a" + - "ns16550" + - "ns16750" + - "ns16850" + - "nvidia,tegra20-uart" + - "ibm,qpace-nwp-serial" + - "serial" if the port type is unknown. +- reg : offset and length of the register set for the device. +- interrupts : should contain uart interrupt. +- clock-frequency : the input clock frequency for the UART. + +Optional properties: +- current-speed : the current active speed of the UART. +- reg-offset : offset to apply to the mapbase from the start of the registers. +- reg-shift : quantity to shift the register offsets by. +- reg-io-width : the size (in bytes) of the IO accesses that should be + performed on the device. There are some systems that require 32-bit + accesses to the UART (e.g. TI davinci). +- used-by-rtas : set to indicate that the port is in use by the OpenFirmware + RTAS and should not be registered. + +Example: + + uart@80230000 { + compatible = "ns8250"; + reg = <0x80230000 0x100>; + clock-frequency = <3686400>; + interrupts = <10>; + reg-shift = <2>; + }; |