diff options
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/atmel-at91.txt | 60 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/atmel-pmc.txt | 11 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/arm/spear.txt | 8 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio_i2c.txt | 32 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/atmel-nand.txt | 41 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mtd/nand.txt | 7 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/usb/atmel-usb.txt | 49 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/usb/tegra-usb.txt | 13 |
8 files changed, 221 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt index 1aeaf6f..ecc81e3 100644 --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt @@ -30,3 +30,63 @@ One interrupt per TC channel in a TC block: reg = <0xfffdc000 0x100>; interrupts = <26 4 27 4 28 4>; }; + +RSTC Reset Controller required properties: +- compatible: Should be "atmel,<chip>-rstc". + <chip> can be "at91sam9260" or "at91sam9g45" +- reg: Should contain registers location and length + +Example: + + rstc@fffffd00 { + compatible = "atmel,at91sam9260-rstc"; + reg = <0xfffffd00 0x10>; + }; + +RAMC SDRAM/DDR Controller required properties: +- compatible: Should be "atmel,at91sam9260-sdramc", + "atmel,at91sam9g45-ddramc", +- reg: Should contain registers location and length + For at91sam9263 and at91sam9g45 you must specify 2 entries. + +Examples: + + ramc0: ramc@ffffe800 { + compatible = "atmel,at91sam9g45-ddramc"; + reg = <0xffffe800 0x200>; + }; + + ramc0: ramc@ffffe400 { + compatible = "atmel,at91sam9g45-ddramc"; + reg = <0xffffe400 0x200 + 0xffffe600 0x200>; + }; + +SHDWC Shutdown Controller + +required properties: +- compatible: Should be "atmel,<chip>-shdwc". + <chip> can be "at91sam9260", "at91sam9rl" or "at91sam9x5". +- reg: Should contain registers location and length + +optional properties: +- atmel,wakeup-mode: String, operation mode of the wakeup mode. + Supported values are: "none", "high", "low", "any". +- atmel,wakeup-counter: Counter on Wake-up 0 (between 0x0 and 0xf). + +optional at91sam9260 properties: +- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up. + +optional at91sam9rl properties: +- atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up. +- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up. + +optional at91sam9x5 properties: +- atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up. + +Example: + + rstc@fffffd00 { + compatible = "atmel,at91sam9260-rstc"; + reg = <0xfffffd00 0x10>; + }; diff --git a/Documentation/devicetree/bindings/arm/atmel-pmc.txt b/Documentation/devicetree/bindings/arm/atmel-pmc.txt new file mode 100644 index 0000000..389bed5 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/atmel-pmc.txt @@ -0,0 +1,11 @@ +* Power Management Controller (PMC) + +Required properties: +- compatible: Should be "atmel,at91rm9200-pmc" +- reg: Should contain PMC registers location and length + +Examples: + pmc: pmc@fffffc00 { + compatible = "atmel,at91rm9200-pmc"; + reg = <0xfffffc00 0x100>; + }; diff --git a/Documentation/devicetree/bindings/arm/spear.txt b/Documentation/devicetree/bindings/arm/spear.txt new file mode 100644 index 0000000..f8e54f0 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/spear.txt @@ -0,0 +1,8 @@ +ST SPEAr Platforms Device Tree Bindings +--------------------------------------- + +Boards with the ST SPEAr600 SoC shall have the following properties: + +Required root node property: + +compatible = "st,spear600"; diff --git a/Documentation/devicetree/bindings/gpio/gpio_i2c.txt b/Documentation/devicetree/bindings/gpio/gpio_i2c.txt new file mode 100644 index 0000000..4f8ec94 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio_i2c.txt @@ -0,0 +1,32 @@ +Device-Tree bindings for i2c gpio driver + +Required properties: + - compatible = "i2c-gpio"; + - gpios: sda and scl gpio + + +Optional properties: + - i2c-gpio,sda-open-drain: sda as open drain + - i2c-gpio,scl-open-drain: scl as open drain + - i2c-gpio,scl-output-only: scl as output only + - i2c-gpio,delay-us: delay between GPIO operations (may depend on each platform) + - i2c-gpio,timeout-ms: timeout to get data + +Example nodes: + +i2c@0 { + compatible = "i2c-gpio"; + gpios = <&pioA 23 0 /* sda */ + &pioA 24 0 /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + i2c-gpio,delay-us = <2>; /* ~100 kHz */ + #address-cells = <1>; + #size-cells = <0>; + + rv3029c2@56 { + compatible = "rv3029c2"; + reg = <0x56>; + }; +}; diff --git a/Documentation/devicetree/bindings/mtd/atmel-nand.txt b/Documentation/devicetree/bindings/mtd/atmel-nand.txt new file mode 100644 index 0000000..5903ecf --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/atmel-nand.txt @@ -0,0 +1,41 @@ +Atmel NAND flash + +Required properties: +- compatible : "atmel,at91rm9200-nand". +- reg : should specify localbus address and size used for the chip, + and if availlable the ECC. +- atmel,nand-addr-offset : offset for the address latch. +- atmel,nand-cmd-offset : offset for the command latch. +- #address-cells, #size-cells : Must be present if the device has sub-nodes + representing partitions. + +- gpios : specifies the gpio pins to control the NAND device. detect is an + optional gpio and may be set to 0 if not present. + +Optional properties: +- nand-ecc-mode : String, operation mode of the NAND ecc mode, soft by default. + Supported values are: "none", "soft", "hw", "hw_syndrome", "hw_oob_first", + "soft_bch". +- nand-bus-width : 8 or 16 bus width if not present 8 +- nand-on-flash-bbt: boolean to enable on flash bbt option if not present false + +Examples: +nand0: nand@40000000,0 { + compatible = "atmel,at91rm9200-nand"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x40000000 0x10000000 + 0xffffe800 0x200 + >; + atmel,nand-addr-offset = <21>; + atmel,nand-cmd-offset = <22>; + nand-on-flash-bbt; + nand-ecc-mode = "soft"; + gpios = <&pioC 13 0 + &pioC 14 0 + 0 + >; + partition@0 { + ... + }; +}; diff --git a/Documentation/devicetree/bindings/mtd/nand.txt b/Documentation/devicetree/bindings/mtd/nand.txt new file mode 100644 index 0000000..03855c8 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/nand.txt @@ -0,0 +1,7 @@ +* MTD generic binding + +- nand-ecc-mode : String, operation mode of the NAND ecc mode. + Supported values are: "none", "soft", "hw", "hw_syndrome", "hw_oob_first", + "soft_bch". +- nand-bus-width : 8 or 16 bus width if not present 8 +- nand-on-flash-bbt: boolean to enable on flash bbt option if not present false diff --git a/Documentation/devicetree/bindings/usb/atmel-usb.txt b/Documentation/devicetree/bindings/usb/atmel-usb.txt new file mode 100644 index 0000000..60bd215 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/atmel-usb.txt @@ -0,0 +1,49 @@ +Atmel SOC USB controllers + +OHCI + +Required properties: + - compatible: Should be "atmel,at91rm9200-ohci" for USB controllers + used in host mode. + - num-ports: Number of ports. + - atmel,vbus-gpio: If present, specifies a gpio that needs to be + activated for the bus to be powered. + - atmel,oc-gpio: If present, specifies a gpio that needs to be + activated for the overcurrent detection. + +usb0: ohci@00500000 { + compatible = "atmel,at91rm9200-ohci", "usb-ohci"; + reg = <0x00500000 0x100000>; + interrupts = <20 4>; + num-ports = <2>; +}; + +EHCI + +Required properties: + - compatible: Should be "atmel,at91sam9g45-ehci" for USB controllers + used in host mode. + +usb1: ehci@00800000 { + compatible = "atmel,at91sam9g45-ehci", "usb-ehci"; + reg = <0x00800000 0x100000>; + interrupts = <22 4>; +}; + +AT91 USB device controller + +Required properties: + - compatible: Should be "atmel,at91rm9200-udc" + - reg: Address and length of the register set for the device + - interrupts: Should contain macb interrupt + +Optional properties: + - atmel,vbus-gpio: If present, specifies a gpio that needs to be + activated for the bus to be powered. + +usb1: gadget@fffa4000 { + compatible = "atmel,at91rm9200-udc"; + reg = <0xfffa4000 0x4000>; + interrupts = <10 4>; + atmel,vbus-gpio = <&pioC 5 0>; +}; diff --git a/Documentation/devicetree/bindings/usb/tegra-usb.txt b/Documentation/devicetree/bindings/usb/tegra-usb.txt index 035d63d..007005d 100644 --- a/Documentation/devicetree/bindings/usb/tegra-usb.txt +++ b/Documentation/devicetree/bindings/usb/tegra-usb.txt @@ -11,3 +11,16 @@ Required properties : - phy_type : Should be one of "ulpi" or "utmi". - nvidia,vbus-gpio : If present, specifies a gpio that needs to be activated for the bus to be powered. + +Optional properties: + - dr_mode : dual role mode. Indicates the working mode for + nvidia,tegra20-ehci compatible controllers. Can be "host", "peripheral", + or "otg". Default to "host" if not defined for backward compatibility. + host means this is a host controller + peripheral means it is device controller + otg means it can operate as either ("on the go") + - nvidia,has-legacy-mode : boolean indicates whether this controller can + operate in legacy mode (as APX 2500 / 2600). In legacy mode some + registers are accessed through the APB_MISC base address instead of + the USB controller. Since this is a legacy issue it probably does not + warrant a compatible string of its own. |
