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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-06 09:41:58 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-06 09:41:58 -0700 |
commit | 109a5db5042c035ded330b948a710b9a0c20934d (patch) | |
tree | 5ebd38a4e36ea740a3de6edbc7b6a3250a776ef5 /Documentation | |
parent | a4c20b9a574b9720acf6c647eaff5e7e1e688086 (diff) | |
parent | d80210f25ff0050245556bb8ce84d280d8fa4ca7 (diff) | |
download | linux-109a5db5042c035ded330b948a710b9a0c20934d.tar.bz2 |
Merge branch 'for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata updates from Tejun Heo:
- Christoph added support for TCG OPAL self encrypting disks
- Minwoo added support for ATA PASS-THROUGH(32)
- Linus Walleij removed spurious drvdata assignments in some drivers
- Support for a few new device and other fixes
* 'for-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (33 commits)
sd: add support for TCG OPAL self encrypting disks
libata: fix build warning from unused goto label
libata: Support for an ATA PASS-THROUGH(32) command.
ahci: Add Device ID for ASMedia 1061R and 1062R
sata_via: Enable optional hotplug on VT6420
ata: ahci_brcm: Avoid writing to read-only registers
libata: Add the AHCI_HFLAG_NO_WRITE_TO_RO flag
libata: Add the AHCI_HFLAG_YES_ALPM flag
ata: ftide010: fix resource printing
libata: make the function name in comment match the actual function
ata: sata_rcar: make of_device_ids const.
ata: pata_octeon_cf: make of_device_ids const.
libata: Convert bare printks to pr_cont
libahci: wrong comments in ahci_do_softreset()
ata: declare ata_port_info structures as const
ata: Add driver for Faraday Technology FTIDE010
ata: Add DT bindings for the Gemini SATA bridge
ata: Add DT bindings for Faraday Technology FTIDE010
libata: implement SECURITY PROTOCOL IN/OUT
libata: factor out a ata_identify_page_supported helper
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt | 55 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/ata/faraday,ftide010.txt | 38 |
2 files changed, 93 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt b/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt new file mode 100644 index 000000000000..1c3d3cc70051 --- /dev/null +++ b/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt @@ -0,0 +1,55 @@ +* Cortina Systems Gemini SATA Bridge + +The Gemini SATA bridge in a SoC-internal PATA to SATA bridge that +takes two Faraday Technology FTIDE010 PATA controllers and bridges +them in different configurations to two SATA ports. + +Required properties: +- compatible: should be + "cortina,gemini-sata-bridge" +- reg: registers and size for the block +- resets: phandles to the reset lines for both SATA bridges +- reset-names: must be "sata0", "sata1" +- clocks: phandles to the compulsory peripheral clocks +- clock-names: must be "SATA0_PCLK", "SATA1_PCLK" +- syscon: a phandle to the global Gemini system controller +- cortina,gemini-ata-muxmode: tell the desired multiplexing mode for + the ATA controller and SATA bridges. Values 0..3: + Mode 0: ata0 master <-> sata0 + ata1 master <-> sata1 + ata0 slave interface brought out on IDE pads + Mode 1: ata0 master <-> sata0 + ata1 master <-> sata1 + ata1 slave interface brought out on IDE pads + Mode 2: ata1 master <-> sata1 + ata1 slave <-> sata0 + ata0 master and slave interfaces brought out + on IDE pads + Mode 3: ata0 master <-> sata0 + ata0 slave <-> sata1 + ata1 master and slave interfaces brought out + on IDE pads + +Optional boolean properties: +- cortina,gemini-enable-ide-pins: enables the PATA to IDE connection. + The muxmode setting decides whether ATA0 or ATA1 is brought out, + and whether master, slave or both interfaces get brought out. +- cortina,gemini-enable-sata-bridge: enables the PATA to SATA bridge + inside the Gemnini SoC. The Muxmode decides what PATA blocks will + be muxed out and how. + +Example: + +sata: sata@46000000 { + compatible = "cortina,gemini-sata-bridge"; + reg = <0x46000000 0x100>; + resets = <&rcon 26>, <&rcon 27>; + reset-names = "sata0", "sata1"; + clocks = <&gcc GEMINI_CLK_GATE_SATA0>, + <&gcc GEMINI_CLK_GATE_SATA1>; + clock-names = "SATA0_PCLK", "SATA1_PCLK"; + syscon = <&syscon>; + cortina,gemini-ata-muxmode = <3>; + cortina,gemini-enable-ide-pins; + cortina,gemini-enable-sata-bridge; +}; diff --git a/Documentation/devicetree/bindings/ata/faraday,ftide010.txt b/Documentation/devicetree/bindings/ata/faraday,ftide010.txt new file mode 100644 index 000000000000..a0c64a29104d --- /dev/null +++ b/Documentation/devicetree/bindings/ata/faraday,ftide010.txt @@ -0,0 +1,38 @@ +* Faraday Technology FTIDE010 PATA controller + +This controller is the first Faraday IDE interface block, used in the +StorLink SL2312 and SL3516, later known as the Cortina Systems Gemini +platform. The controller can do PIO modes 0 through 4, Multi-word DMA +(MWDM)modes 0 through 2 and Ultra DMA modes 0 through 6. + +On the Gemini platform, this PATA block is accompanied by a PATA to +SATA bridge in order to support SATA. This is why a phandle to that +controller is compulsory on that platform. + +The timing properties are unique per-SoC, not per-board. + +Required properties: +- compatible: should be one of + "cortina,gemini-pata", "faraday,ftide010" + "faraday,ftide010" +- interrupts: interrupt for the block +- reg: registers and size for the block + +Optional properties: +- clocks: a SoC clock running the peripheral. +- clock-names: should be set to "PCLK" for the peripheral clock. + +Required properties for "cortina,gemini-pata" compatible: +- sata: a phande to the Gemini PATA to SATA bridge, see + cortina,gemini-sata-bridge.txt for details. + +Example: + +ata@63000000 { + compatible = "cortina,gemini-pata", "faraday,ftide010"; + reg = <0x63000000 0x100>; + interrupts = <4 IRQ_TYPE_EDGE_RISING>; + clocks = <&gcc GEMINI_CLK_GATE_IDE>; + clock-names = "PCLK"; + sata = <&sata>; +}; |