Documentation:: Add documentation for APM X-Gene SoC SATA host controller DTS binding
Signed-off-by: Loc Ho <[email protected]> Signed-off-by: Tuan Phan <[email protected]> Signed-off-by: Suman Tripathi <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]> Reviewed-by: Olof Johansson <[email protected]> --- .../devicetree/bindings/ata/apm-xgene.txt | 62 +++++++++++++++++++- 1 files changed, 61 insertions(+), 1 deletions(-) diff --git a/Documentation/devicetree/bindings/ata/apm-xgene.txt b/Documentation/devicetree/bindings/ata/apm-xgene.txt index d18db67..0d16bfe 100644 --- a/Documentation/devicetree/bindings/ata/apm-xgene.txt +++ b/Documentation/devicetree/bindings/ata/apm-xgene.txt @@ -1,4 +1,4 @@ -* APM X-Gene 6.0 Gb/s SATA PHY nodes +* APM X-Gene 6.0 Gb/s SATA PHY and controller nodes SATA PHY nodes are defined to describe on-chip Serial ATA PHY. Each SATA PHY (pair of PHY) has its own node. @@ -67,3 +67,63 @@ Example: status = "ok"; }; +SATA host controller nodes are defined to describe on-chip Serial ATA +controllers. Each SATA controller (pair of ports) have its own node. + +Required properties: +- compatible : Shall be "apm,xgene-ahci" +- reg : First memory resource shall be the AHCI memory + resource. + Second memory resource shall be the host controller + memory resource. +- id : Controller ID (0 = first, 1 = second, 2 = third) +- interrupt-parent : Interrupt controller +- interrupts : Interrupt mapping for SATA host controller IRQ +- clocks : Reference to the clock entry +- phys : PHY reference +- phy-names : Name of the PHY reference + +Optional properties: +- status : Shall be "ok" if enabled or "na" if disabled. + Default is "ok". + +Example: + sata0: sata@1a000000 { + compatible = "apm,xgene-ahci"; + id = <0>; + reg = <0x0 0x1a000000 0x0 0x100000 + 0x0 0x1f210000 0x0 0x10000>; + interrupt-parent = <&gic>; + interrupts = <0x0 0x86 0x4>; + clocks = <ð01clk 0>; + status = "na"; + phys = <&sataphy0>; + phy-names = "sataphy0"; + }; + + sata1: sata@1a400000 { + compatible = "apm,xgene-ahci"; + id = <1>; + reg = <0x0 0x1a400000 0x0 0x100000 + 0x0 0x1f220000 0x0 0x10000>; + interrupt-parent = <&gic>; + interrupts = <0x0 0x87 0x4>; + clocks = <ð23clk 0>; + status = "ok"; + phys = <&sataphy1>; + phy-names = "sataphy1"; + }; + + sata2: sata@1a800000 { + compatible = "apm,xgene-ahci"; + id = <2>; + reg = <0x0 0x1a800000 0x0 0x100000 + 0x0 0x1f230000 0x0 0x10000 + 0x0 0x1f2d0000 0x0 0x10000 >; + interrupt-parent = <&gic>; + interrupts = <0x0 0x88 0x4>; + clocks = <&sata45clk 0>; + status = "ok"; + phys = <&sataphy2>; + phy-names = "sataphy2"; + }; -- 1.5.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
