Initial commit; kernel source import

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Nathan
2025-04-06 23:50:55 -05:00
commit 25c6d769f4
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* AHCI SATA Controller
SATA nodes are defined to describe on-chip Serial ATA controllers.
Each SATA controller should have its own node.
Required properties:
- compatible : compatible list, contains "calxeda,hb-ahci" or "snps,spear-ahci"
- interrupts : <interrupt mapping for SATA IRQ>
- reg : <registers mapping>
Optional properties:
- calxeda,port-phys: phandle-combophy and lane assignment, which maps each
SATA port to a combophy and a lane within that
combophy
- dma-coherent : Present if dma operations are coherent
Example:
sata@ffe08000 {
compatible = "calxeda,hb-ahci";
reg = <0xffe08000 0x1000>;
interrupts = <115>;
calxeda,port-phys = <&combophy5 0 &combophy0 0 &combophy0 1
&combophy0 2 &combophy0 3>;
};

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* Compact Flash
The Cavium Compact Flash device is connected to the Octeon Boot Bus,
and is thus a child of the Boot Bus device. It can read and write
industry standard compact flash devices.
Properties:
- compatible: "cavium,ebt3000-compact-flash";
Compatibility with many Cavium evaluation boards.
- reg: The base address of the the CF chip select banks. Depending on
the device configuration, there may be one or two banks.
- cavium,bus-width: The width of the connection to the CF devices. Valid
values are 8 and 16.
- cavium,true-ide: Optional, if present the CF connection is in True IDE mode.
- cavium,dma-engine-handle: Optional, a phandle for the DMA Engine connected
to this device.
Example:
compact-flash@5,0 {
compatible = "cavium,ebt3000-compact-flash";
reg = <5 0 0x10000>, <6 0 0x10000>;
cavium,bus-width = <16>;
cavium,true-ide;
cavium,dma-engine-handle = <&dma0>;
};

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* Samsung SATA PHY Controller
SATA PHY nodes are defined to describe on-chip SATA Physical layer controllers.
Each SATA PHY controller should have its own node.
Required properties:
- compatible : compatible list, contains "samsung,exynos5-sata-phy"
- reg : <registers mapping>
Example:
sata@ffe07000 {
compatible = "samsung,exynos5-sata-phy";
reg = <0xffe07000 0x1000>;
};

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* Samsung AHCI SATA Controller
SATA nodes are defined to describe on-chip Serial ATA controllers.
Each SATA controller should have its own node.
Required properties:
- compatible : compatible list, contains "samsung,exynos5-sata"
- interrupts : <interrupt mapping for SATA IRQ>
- reg : <registers mapping>
- samsung,sata-freq : <frequency in MHz>
Example:
sata@ffe08000 {
compatible = "samsung,exynos5-sata";
reg = <0xffe08000 0x1000>;
interrupts = <115>;
};

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* Freescale 8xxx/3.0 Gb/s SATA nodes
SATA nodes are defined to describe on-chip Serial ATA controllers.
Each SATA port should have its own node.
Required properties:
- compatible : compatible list, contains 2 entries, first is
"fsl,CHIP-sata", where CHIP is the processor
(mpc8315, mpc8379, etc.) and the second is
"fsl,pq-sata"
- interrupts : <interrupt mapping for SATA IRQ>
- cell-index : controller index.
1 for controller @ 0x18000
2 for controller @ 0x19000
3 for controller @ 0x1a000
4 for controller @ 0x1b000
Optional properties:
- interrupt-parent : optional, if needed for interrupt mapping
- reg : <registers mapping>
Example:
sata@18000 {
compatible = "fsl,mpc8379-sata", "fsl,pq-sata";
reg = <0x18000 0x1000>;
cell-index = <1>;
interrupts = <2c 8>;
interrupt-parent = < &ipic >;
};

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* Freescale i.MX PATA Controller
Required properties:
- compatible: "fsl,imx27-pata"
- reg: Address range of the PATA Controller
- interrupts: The interrupt of the PATA Controller
- clocks: the clocks for the PATA Controller
Example:
pata: pata@83fe0000 {
compatible = "fsl,imx51-pata", "fsl,imx27-pata";
reg = <0x83fe0000 0x4000>;
interrupts = <70>;
clocks = <&clks 161>;
status = "disabled";
};

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* Marvell Orion SATA
Required Properties:
- compatibility : "marvell,orion-sata"
- reg : Address range of controller
- interrupts : Interrupt controller is using
- nr-ports : Number of SATA ports in use.
Example:
sata@80000 {
compatible = "marvell,orion-sata";
reg = <0x80000 0x5000>;
interrupts = <21>;
nr-ports = <2>;
}

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* ARASAN PATA COMPACT FLASH CONTROLLER
Required properties:
- compatible: "arasan,cf-spear1340"
- reg: Address range of the CF registers
- interrupt-parent: Should be the phandle for the interrupt controller
that services interrupts for this device
- interrupt: Should contain the CF interrupt number
- clock-frequency: Interface clock rate, in Hz, one of
25000000
33000000
40000000
50000000
66000000
75000000
100000000
125000000
150000000
166000000
200000000
Optional properties:
- arasan,broken-udma: if present, UDMA mode is unusable
- arasan,broken-mwdma: if present, MWDMA mode is unusable
- arasan,broken-pio: if present, PIO mode is unusable
- dmas: one DMA channel, as described in bindings/dma/dma.txt
required unless both UDMA and MWDMA mode are broken
- dma-names: the corresponding channel name, must be "data"
Example:
cf@fc000000 {
compatible = "arasan,cf-spear1340";
reg = <0xfc000000 0x1000>;
interrupt-parent = <&vic1>;
interrupts = <12>;
dmas = <&dma-controller 23>;
dma-names = "data";
};