M7350v1_en_gpl

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* Calxeda Highbank 10Gb XGMAC Ethernet
Required properties:
- compatible : Should be "calxeda,hb-xgmac"
- reg : Address and length of the register set for the device
- interrupts : Should contain 3 xgmac interrupts. The 1st is main interrupt.
The 2nd is pwr mgt interrupt. The 3rd is low power state interrupt.
Example:
ethernet@fff50000 {
compatible = "calxeda,hb-xgmac";
reg = <0xfff50000 0x1000>;
interrupts = <0 77 4 0 78 4 0 79 4>;
};

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Memory mapped Bosch CC770 and Intel AN82527 CAN controller
Note: The CC770 is a CAN controller from Bosch, which is 100%
compatible with the old AN82527 from Intel, but with "bugs" being fixed.
Required properties:
- compatible : should be "bosch,cc770" for the CC770 and "intc,82527"
for the AN82527.
- reg : should specify the chip select, address offset and size required
to map the registers of the controller. The size is usually 0x80.
- interrupts : property with a value describing the interrupt source
(number and sensitivity) required for the controller.
Optional properties:
- bosch,external-clock-frequency : frequency of the external oscillator
clock in Hz. Note that the internal clock frequency used by the
controller is half of that value. If not specified, a default
value of 16000000 (16 MHz) is used.
- bosch,clock-out-frequency : slock frequency in Hz on the CLKOUT pin.
If not specified or if the specified value is 0, the CLKOUT pin
will be disabled.
- bosch,slew-rate : slew rate of the CLKOUT signal. If not specified,
a resonable value will be calculated.
- bosch,disconnect-rx0-input : see data sheet.
- bosch,disconnect-rx1-input : see data sheet.
- bosch,disconnect-tx1-output : see data sheet.
- bosch,polarity-dominant : see data sheet.
- bosch,divide-memory-clock : see data sheet.
- bosch,iso-low-speed-mux : see data sheet.
For further information, please have a look to the CC770 or AN82527.
Examples:
can@3,100 {
compatible = "bosch,cc770";
reg = <3 0x100 0x80>;
interrupts = <2 0>;
interrupt-parent = <&mpic>;
bosch,external-clock-frequency = <16000000>;
};

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Flexcan CAN contoller on Freescale's ARM and PowerPC system-on-a-chip (SOC).
Required properties:
- compatible : Should be "fsl,<processor>-flexcan"
An implementation should also claim any of the following compatibles
that it is fully backwards compatible with:
- fsl,p1010-flexcan
- reg : Offset and length of the register set for this device
- interrupts : Interrupt tuple for this device
- clock-frequency : The oscillator frequency driving the flexcan device
Example:
can@1c000 {
compatible = "fsl,p1010-flexcan";
reg = <0x1c000 0x1000>;
interrupts = <48 0x2>;
interrupt-parent = <&mpic>;
clock-frequency = <200000000>; // filled in by bootloader
};

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CAN Device Tree Bindings
------------------------
(c) 2006-2009 Secret Lab Technologies Ltd
Grant Likely <grant.likely@secretlab.ca>
fsl,mpc5200-mscan nodes
-----------------------
In addition to the required compatible-, reg- and interrupt-properties, you can
also specify which clock source shall be used for the controller:
- fsl,mscan-clock-source : a string describing the clock source. Valid values
are: "ip" for ip bus clock
"ref" for reference clock (XTAL)
"ref" is default in case this property is not
present.
fsl,mpc5121-mscan nodes
-----------------------
In addition to the required compatible-, reg- and interrupt-properties, you can
also specify which clock source and divider shall be used for the controller:
- fsl,mscan-clock-source : a string describing the clock source. Valid values
are: "ip" for ip bus clock
"ref" for reference clock
"sys" for system clock
If this property is not present, an optimal CAN
clock source and frequency based on the system
clock will be selected. If this is not possible,
the reference clock will be used.
- fsl,mscan-clock-divider: for the reference and system clock, an additional
clock divider can be specified. By default, a
value of 1 is used.
Note that the MPC5121 Rev. 1 processor is not supported.
Examples:
can@1300 {
compatible = "fsl,mpc5121-mscan";
interrupts = <12 0x8>;
interrupt-parent = <&ipic>;
reg = <0x1300 0x80>;
};
can@1380 {
compatible = "fsl,mpc5121-mscan";
interrupts = <13 0x8>;
interrupt-parent = <&ipic>;
reg = <0x1380 0x80>;
fsl,mscan-clock-source = "ref";
fsl,mscan-clock-divider = <3>;
};

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Memory mapped SJA1000 CAN controller from NXP (formerly Philips)
Required properties:
- compatible : should be "nxp,sja1000".
- reg : should specify the chip select, address offset and size required
to map the registers of the SJA1000. The size is usually 0x80.
- interrupts: property with a value describing the interrupt source
(number and sensitivity) required for the SJA1000.
Optional properties:
- nxp,external-clock-frequency : Frequency of the external oscillator
clock in Hz. Note that the internal clock frequency used by the
SJA1000 is half of that value. If not specified, a default value
of 16000000 (16 MHz) is used.
- nxp,tx-output-mode : operation mode of the TX output control logic:
<0x0> : bi-phase output mode
<0x1> : normal output mode (default)
<0x2> : test output mode
<0x3> : clock output mode
- nxp,tx-output-config : TX output pin configuration:
<0x01> : TX0 invert
<0x02> : TX0 pull-down (default)
<0x04> : TX0 pull-up
<0x06> : TX0 push-pull
<0x08> : TX1 invert
<0x10> : TX1 pull-down
<0x20> : TX1 pull-up
<0x30> : TX1 push-pull
- nxp,clock-out-frequency : clock frequency in Hz on the CLKOUT pin.
If not specified or if the specified value is 0, the CLKOUT pin
will be disabled.
- nxp,no-comparator-bypass : Allows to disable the CAN input comperator.
For further information, please have a look to the SJA1000 data sheet.
Examples:
can@3,100 {
compatible = "nxp,sja1000";
reg = <3 0x100 0x80>;
interrupts = <2 0>;
interrupt-parent = <&mpic>;
nxp,external-clock-frequency = <16000000>;
};

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* 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];
};

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* MDIO IO device
The MDIO is a bus to which the PHY devices are connected. For each
device that exists on this bus, a child node should be created. See
the definition of the PHY node in booting-without-of.txt for an example
of how to define a PHY.
Required properties:
- reg : Offset and length of the register set for the device
- compatible : Should define the compatible device type for the
mdio. Currently, this is most likely to be "fsl,gianfar-mdio"
Example:
mdio@24520 {
reg = <24520 20>;
compatible = "fsl,gianfar-mdio";
ethernet-phy@0 {
......
};
};
* TBI Internal MDIO bus
As of this writing, every tsec is associated with an internal TBI PHY.
This PHY is accessed through the local MDIO bus. These buses are defined
similarly to the mdio buses, except they are compatible with "fsl,gianfar-tbi".
The TBI PHYs underneath them are similar to normal PHYs, but the reg property
is considered instructive, rather than descriptive. The reg property should
be chosen so it doesn't interfere with other PHYs on the bus.
* Gianfar-compatible ethernet nodes
Properties:
- device_type : Should be "network"
- model : Model of the device. Can be "TSEC", "eTSEC", or "FEC"
- compatible : Should be "gianfar"
- reg : Offset and length of the register set for the device
- local-mac-address : List of bytes representing the ethernet address of
this controller
- interrupts : For FEC devices, the first interrupt is the device's
interrupt. For TSEC and eTSEC devices, the first interrupt is
transmit, the second is receive, and the third is error.
- phy-handle : The phandle for the PHY connected to this ethernet
controller.
- fixed-link : <a b c d e> where a is emulated phy id - choose any,
but unique to the all specified fixed-links, b is duplex - 0 half,
1 full, c is link speed - d#10/d#100/d#1000, d is pause - 0 no
pause, 1 pause, e is asym_pause - 0 no asym_pause, 1 asym_pause.
- phy-connection-type : a string naming the controller/PHY interface type,
i.e., "mii" (default), "rmii", "gmii", "rgmii", "rgmii-id", "sgmii",
"tbi", or "rtbi". This property is only really needed if the connection
is of type "rgmii-id", as all other connection types are detected by
hardware.
- fsl,magic-packet : If present, indicates that the hardware supports
waking up via magic packet.
- bd-stash : If present, indicates that the hardware supports stashing
buffer descriptors in the L2.
- rx-stash-len : Denotes the number of bytes of a received buffer to stash
in the L2.
- rx-stash-idx : Denotes the index of the first byte from the received
buffer to stash in the L2.
Example:
ethernet@24000 {
device_type = "network";
model = "TSEC";
compatible = "gianfar";
reg = <0x24000 0x1000>;
local-mac-address = [ 00 E0 0C 00 73 00 ];
interrupts = <29 2 30 2 34 2>;
interrupt-parent = <&mpic>;
phy-handle = <&phy0>
};
* Gianfar PTP clock nodes
General Properties:
- compatible Should be "fsl,etsec-ptp"
- reg Offset and length of the register set for the device
- interrupts There should be at least two interrupts. Some devices
have as many as four PTP related interrupts.
Clock Properties:
- fsl,tclk-period Timer reference clock period in nanoseconds.
- fsl,tmr-prsc Prescaler, divides the output clock.
- fsl,tmr-add Frequency compensation value.
- fsl,tmr-fiper1 Fixed interval period pulse generator.
- fsl,tmr-fiper2 Fixed interval period pulse generator.
- fsl,max-adj Maximum frequency adjustment in parts per billion.
These properties set the operational parameters for the PTP
clock. You must choose these carefully for the clock to work right.
Here is how to figure good values:
TimerOsc = system clock MHz
tclk_period = desired clock period nanoseconds
NominalFreq = 1000 / tclk_period MHz
FreqDivRatio = TimerOsc / NominalFreq (must be greater that 1.0)
tmr_add = ceil(2^32 / FreqDivRatio)
OutputClock = NominalFreq / tmr_prsc MHz
PulseWidth = 1 / OutputClock microseconds
FiperFreq1 = desired frequency in Hz
FiperDiv1 = 1000000 * OutputClock / FiperFreq1
tmr_fiper1 = tmr_prsc * tclk_period * FiperDiv1 - tclk_period
max_adj = 1000000000 * (FreqDivRatio - 1.0) - 1
The calculation for tmr_fiper2 is the same as for tmr_fiper1. The
driver expects that tmr_fiper1 will be correctly set to produce a 1
Pulse Per Second (PPS) signal, since this will be offered to the PPS
subsystem to synchronize the Linux clock.
Example:
ptp_clock@24E00 {
compatible = "fsl,etsec-ptp";
reg = <0x24E00 0xB0>;
interrupts = <12 0x8 13 0x8>;
interrupt-parent = < &ipic >;
fsl,tclk-period = <10>;
fsl,tmr-prsc = <100>;
fsl,tmr-add = <0x999999A4>;
fsl,tmr-fiper1 = <0x3B9AC9F6>;
fsl,tmr-fiper2 = <0x00018696>;
fsl,max-adj = <659999998>;
};

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* Cadence MACB/GEM Ethernet controller
Required properties:
- compatible: Should be "cdns,[<chip>-]{macb|gem}"
Use "cdns,at91sam9260-macb" Atmel at91sam9260 and at91sam9263 SoCs.
Use "cdns,at32ap7000-macb" for other 10/100 usage or use the generic form: "cdns,macb".
Use "cnds,pc302-gem" for Picochip picoXcell pc302 and later devices based on
the Cadence GEM, or the generic form: "cdns,gem".
- reg: Address and length of the register set for the device
- interrupts: Should contain macb interrupt
- phy-mode: String, operation mode of the PHY interface.
Supported values are: "mii", "rmii", "gmii", "rgmii".
Optional properties:
- local-mac-address: 6 bytes, mac address
Examples:
macb0: ethernet@fffc4000 {
compatible = "cdns,at32ap7000-macb";
reg = <0xfffc4000 0x4000>;
interrupts = <21>;
phy-mode = "rmii";
local-mac-address = [3a 0e 03 04 05 06];
};

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MDIO on GPIOs
Currently defined compatibles:
- virtual,gpio-mdio
MDC and MDIO lines connected to GPIO controllers are listed in the
gpios property as described in section VIII.1 in the following order:
MDC, MDIO.
Example:
mdio {
compatible = "virtual,mdio-gpio";
#address-cells = <1>;
#size-cells = <0>;
gpios = <&qe_pio_a 11
&qe_pio_c 6>;
};

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PHY nodes
Required properties:
- device_type : Should be "ethernet-phy"
- interrupts : <a b> where a is the interrupt number and b is a
field that represents an encoding of the sense and level
information for the interrupt. This should be encoded based on
the information in section 2) depending on the type of interrupt
controller you have.
- interrupt-parent : the phandle for the interrupt controller that
services interrupts for this device.
- reg : The ID number for the phy, usually a small integer
- linux,phandle : phandle for this node; likely referenced by an
ethernet controller node.
Example:
ethernet-phy@0 {
linux,phandle = <2452000>
interrupt-parent = <40000>;
interrupts = <35 1>;
reg = <0>;
device_type = "ethernet-phy";
};

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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

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* Smart Mixed-Signal Connectivity (SMSC) LAN911x/912x Controller
Required properties:
- compatible : Should be "smsc,lan<model>", "smsc,lan9115"
- reg : Address and length of the io space for SMSC LAN
- interrupts : Should contain SMSC LAN interrupt line
- interrupt-parent : Should be the phandle for the interrupt controller
that services interrupts for this device
- 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".
Optional properties:
- reg-shift : Specify the quantity to shift the register offsets by
- reg-io-width : Specify the size (in bytes) of the IO accesses that
should be performed on the device. Valid value for SMSC LAN is
2 or 4. If it's omitted or invalid, the size would be 2.
- smsc,irq-active-high : Indicates the IRQ polarity is active-high
- smsc,irq-push-pull : Indicates the IRQ type is push-pull
- smsc,force-internal-phy : Forces SMSC LAN controller to use
internal PHY
- smsc,force-external-phy : Forces SMSC LAN controller to use
external PHY
- smsc,save-mac-address : Indicates that mac address needs to be saved
before resetting the controller
- local-mac-address : 6 bytes, mac address
Examples:
lan9220@f4000000 {
compatible = "smsc,lan9220", "smsc,lan9115";
reg = <0xf4000000 0x2000000>;
phy-mode = "mii";
interrupt-parent = <&gpio1>;
interrupts = <31>;
reg-io-width = <4>;
smsc,irq-push-pull;
};

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* STMicroelectronics 10/100/1000 Ethernet driver (GMAC)
Required properties:
- compatible: Should be "st,spear600-gmac"
- reg: Address and length of the register set for the device
- interrupt-parent: Should be the phandle for the interrupt controller
that services interrupts for this device
- interrupts: Should contain the STMMAC interrupts
- interrupt-names: Should contain the interrupt names "macirq"
"eth_wake_irq" if this interrupt is supported in the "interrupts"
property
- phy-mode: String, operation mode of the PHY interface.
Supported values are: "mii", "rmii", "gmii", "rgmii".
Optional properties:
- mac-address: 6 bytes, mac address
Examples:
gmac0: ethernet@e0800000 {
compatible = "st,spear600-gmac";
reg = <0xe0800000 0x8000>;
interrupt-parent = <&vic1>;
interrupts = <24 23>;
interrupt-names = "macirq", "eth_wake_irq";
mac-address = [000000000000]; /* Filled in by U-Boot */
phy-mode = "gmii";
};

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* Qualcomm Atheros mobile chipsets
Required properties:
- compatible: Can be "qca,ar6004-sdio" for SDIO device and
"qca,ar6004-hsic" for HSIC device. For AR6003, "qca,ar6003-sdio" can be
used.
- qca,chip-pwd-l-gpios: specify GPIO for CHIP_PWD_L.
Optional Properties:
- cell-index: WLAN Hardware index.
- qca,pm-enable-gpios: Specify this GPIO if internal PMU needs to be used.
- qca,vbatt-supply: Specify this if VBATT is provided through a regulator.
- qca,vdd-io-supply: Specify this if VDD-IO is provided through a
regulator.
Example:
wlan0: qca,wlan {
cell-index = <0>;
compatible = "qca,ar6004-sdio";
qca,chip-pwd-l-gpios = <&msmgpio 62 0>;
qca,pm-enable-gpios = <&pm8019_gpios 3 0x0>;
qca,vdd-io-supply = <&pm8019_l11>;
};