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r: 326935
b: refs/heads/master
c: 0c9de3c
h: refs/heads/master
i:
  326933: 762a804
  326931: 39e46c7
  326927: 0046c4b
v: v3
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Tony Lindgren committed Sep 21, 2012
1 parent 3d2ee6a commit b6c8ed0
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 3c7c5dab44d6c8861bc86dab924353d8d40344f8
refs/heads/master: 0c9de3c52d2baed6bc2ee44885adb418152c71c4
9 changes: 9 additions & 0 deletions trunk/Documentation/ABI/testing/sysfs-tty
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Expand Up @@ -17,3 +17,12 @@ Description:
device, like 'tty1'.
The file supports poll() to detect virtual
console switches.

What: /sys/class/tty/ttyS0/uartclk
Date: Sep 2012
Contact: Tomas Hlavacek <tmshlvck@gmail.com>
Description:
Shows the current uartclk value associated with the
UART port in serial_core, that is bound to TTY like ttyS0.
uartclk = 16 * baud_base

3 changes: 3 additions & 0 deletions trunk/Documentation/devicetree/bindings/arm/omap/omap.txt
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Expand Up @@ -36,6 +36,9 @@ Boards:
- OMAP3 BeagleBoard : Low cost community board
compatible = "ti,omap3-beagle", "ti,omap3"

- OMAP3 Tobi with Overo : Commercial expansion board with daughter board
compatible = "ti,omap3-tobi", "ti,omap3-overo", "ti,omap3"

- OMAP4 SDP : Software Developement Board
compatible = "ti,omap4-sdp", "ti,omap4430"

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6 changes: 6 additions & 0 deletions trunk/Documentation/devicetree/bindings/gpio/gpio-twl4030.txt
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Expand Up @@ -11,6 +11,11 @@ Required properties:
- interrupt-controller: Mark the device node as an interrupt controller
The first cell is the GPIO number.
The second cell is not used.
- ti,use-leds : Enables LEDA and LEDB outputs if set
- ti,debounce : if n-th bit is set, debounces GPIO-n
- ti,mmc-cd : if n-th bit is set, GPIO-n controls VMMC(n+1)
- ti,pullups : if n-th bit is set, set a pullup on GPIO-n
- ti,pulldowns : if n-th bit is set, set a pulldown on GPIO-n

Example:

Expand All @@ -20,4 +25,5 @@ twl_gpio: gpio {
gpio-controller;
#interrupt-cells = <2>;
interrupt-controller;
ti,use-leds;
};
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Expand Up @@ -56,3 +56,4 @@ stm,m41t00 Serial Access TIMEKEEPER
stm,m41t62 Serial real-time clock (RTC) with alarm
stm,m41t80 M41T80 - SERIAL ACCESS RTC WITH ALARMS
ti,tsc2003 I2C Touch-Screen Controller
ti,tmp102 Low Power Digital Temperature Sensor with SMBUS/Two Wire Serial Interface
52 changes: 52 additions & 0 deletions trunk/Documentation/devicetree/bindings/lpddr2/lpddr2-timings.txt
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* AC timing parameters of LPDDR2(JESD209-2) memories for a given speed-bin

Required properties:
- compatible : Should be "jedec,lpddr2-timings"
- min-freq : minimum DDR clock frequency for the speed-bin. Type is <u32>
- max-freq : maximum DDR clock frequency for the speed-bin. Type is <u32>

Optional properties:

The following properties represent AC timing parameters from the memory
data-sheet of the device for a given speed-bin. All these properties are
of type <u32> and the default unit is ps (pico seconds). Parameters with
a different unit have a suffix indicating the unit such as 'tRAS-max-ns'
- tRCD
- tWR
- tRAS-min
- tRRD
- tWTR
- tXP
- tRTP
- tDQSCK-max
- tFAW
- tZQCS
- tZQinit
- tRPab
- tZQCL
- tCKESR
- tRAS-max-ns
- tDQSCK-max-derated

Example:

timings_elpida_ECB240ABACN_400mhz: lpddr2-timings@0 {
compatible = "jedec,lpddr2-timings";
min-freq = <10000000>;
max-freq = <400000000>;
tRPab = <21000>;
tRCD = <18000>;
tWR = <15000>;
tRAS-min = <42000>;
tRRD = <10000>;
tWTR = <7500>;
tXP = <7500>;
tRTP = <7500>;
tCKESR = <15000>;
tDQSCK-max = <5500>;
tFAW = <50000>;
tZQCS = <90000>;
tZQCL = <360000>;
tZQinit = <1000000>;
tRAS-max-ns = <70000>;
};
102 changes: 102 additions & 0 deletions trunk/Documentation/devicetree/bindings/lpddr2/lpddr2.txt
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* LPDDR2 SDRAM memories compliant to JEDEC JESD209-2

Required properties:
- compatible : Should be one of - "jedec,lpddr2-nvm", "jedec,lpddr2-s2",
"jedec,lpddr2-s4"

"ti,jedec-lpddr2-s2" should be listed if the memory part is LPDDR2-S2 type

"ti,jedec-lpddr2-s4" should be listed if the memory part is LPDDR2-S4 type

"ti,jedec-lpddr2-nvm" should be listed if the memory part is LPDDR2-NVM type

- density : <u32> representing density in Mb (Mega bits)

- io-width : <u32> representing bus width. Possible values are 8, 16, and 32

Optional properties:

The following optional properties represent the minimum value of some AC
timing parameters of the DDR device in terms of number of clock cycles.
These values shall be obtained from the device data-sheet.
- tRRD-min-tck
- tWTR-min-tck
- tXP-min-tck
- tRTP-min-tck
- tCKE-min-tck
- tRPab-min-tck
- tRCD-min-tck
- tWR-min-tck
- tRASmin-min-tck
- tCKESR-min-tck
- tFAW-min-tck

Child nodes:
- The lpddr2 node may have one or more child nodes of type "lpddr2-timings".
"lpddr2-timings" provides AC timing parameters of the device for
a given speed-bin. The user may provide the timings for as many
speed-bins as is required. Please see Documentation/devicetree/
bindings/lpddr2/lpddr2-timings.txt for more information on "lpddr2-timings"

Example:

elpida_ECB240ABACN : lpddr2 {
compatible = "Elpida,ECB240ABACN","jedec,lpddr2-s4";
density = <2048>;
io-width = <32>;

tRPab-min-tck = <3>;
tRCD-min-tck = <3>;
tWR-min-tck = <3>;
tRASmin-min-tck = <3>;
tRRD-min-tck = <2>;
tWTR-min-tck = <2>;
tXP-min-tck = <2>;
tRTP-min-tck = <2>;
tCKE-min-tck = <3>;
tCKESR-min-tck = <3>;
tFAW-min-tck = <8>;

timings_elpida_ECB240ABACN_400mhz: lpddr2-timings@0 {
compatible = "jedec,lpddr2-timings";
min-freq = <10000000>;
max-freq = <400000000>;
tRPab = <21000>;
tRCD = <18000>;
tWR = <15000>;
tRAS-min = <42000>;
tRRD = <10000>;
tWTR = <7500>;
tXP = <7500>;
tRTP = <7500>;
tCKESR = <15000>;
tDQSCK-max = <5500>;
tFAW = <50000>;
tZQCS = <90000>;
tZQCL = <360000>;
tZQinit = <1000000>;
tRAS-max-ns = <70000>;
};

timings_elpida_ECB240ABACN_200mhz: lpddr2-timings@1 {
compatible = "jedec,lpddr2-timings";
min-freq = <10000000>;
max-freq = <200000000>;
tRPab = <21000>;
tRCD = <18000>;
tWR = <15000>;
tRAS-min = <42000>;
tRRD = <10000>;
tWTR = <10000>;
tXP = <7500>;
tRTP = <7500>;
tCKESR = <15000>;
tDQSCK-max = <5500>;
tFAW = <50000>;
tZQCS = <90000>;
tZQCL = <360000>;
tZQinit = <1000000>;
tRAS-max-ns = <70000>;
};

}
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* EMIF family of TI SDRAM controllers

EMIF - External Memory Interface - is an SDRAM controller used in
TI SoCs. EMIF supports, based on the IP revision, one or more of
DDR2/DDR3/LPDDR2 protocols. This binding describes a given instance
of the EMIF IP and memory parts attached to it.

Required properties:
- compatible : Should be of the form "ti,emif-<ip-rev>" where <ip-rev>
is the IP revision of the specific EMIF instance.

- phy-type : <u32> indicating the DDR phy type. Following are the
allowed values
<1> : Attila PHY
<2> : Intelli PHY

- device-handle : phandle to a "lpddr2" node representing the memory part

- ti,hwmods : For TI hwmods processing and omap device creation
the value shall be "emif<n>" where <n> is the number of the EMIF
instance with base 1.

Optional properties:
- cs1-used : Have this property if CS1 of this EMIF
instance has a memory part attached to it. If there is a memory
part attached to CS1, it should be the same type as the one on CS0,
so there is no need to give the details of this memory part.

- cal-resistor-per-cs : Have this property if the board has one
calibration resistor per chip-select.

- hw-caps-read-idle-ctrl: Have this property if the controller
supports read idle window programming

- hw-caps-dll-calib-ctrl: Have this property if the controller
supports dll calibration control

- hw-caps-ll-interface : Have this property if the controller
has a low latency interface and corresponding interrupt events

- hw-caps-temp-alert : Have this property if the controller
has capability for generating SDRAM temperature alerts

Example:

emif1: emif@0x4c000000 {
compatible = "ti,emif-4d";
ti,hwmods = "emif2";
phy-type = <1>;
device-handle = <&elpida_ECB240ABACN>;
cs1-used;
hw-caps-read-idle-ctrl;
hw-caps-ll-interface;
hw-caps-temp-alert;
};
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* NXP LPC32xx SoC High Speed UART

Required properties:
- compatible: Should be "nxp,lpc3220-hsuart"
- reg: Should contain registers location and length
- interrupts: Should contain interrupt

Example:

uart1: serial@40014000 {
compatible = "nxp,lpc3220-hsuart";
reg = <0x40014000 0x1000>;
interrupts = <26 0>;
};
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Expand Up @@ -25,6 +25,8 @@ Optional properties:
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.
- no-loopback-test: set to indicate that the port does not implements loopback
test mode

Example:

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2 changes: 0 additions & 2 deletions trunk/Documentation/serial/00-INDEX
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Expand Up @@ -2,8 +2,6 @@
- this file.
README.cycladesZ
- info on Cyclades-Z firmware loading.
computone.txt
- info on Computone Intelliport II/Plus Multiport Serial Driver.
digiepca.txt
- info on Digi Intl. {PC,PCI,EISA}Xx and Xem series cards.
hayes-esp.txt
Expand Down
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