xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/ata/apm-xgene.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun* APM X-Gene 6.0 Gb/s SATA host controller nodes
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunSATA host controller nodes are defined to describe on-chip Serial ATA
4*4882a593Smuzhiyuncontrollers. Each SATA controller (pair of ports) have its own node.
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunRequired properties:
7*4882a593Smuzhiyun- compatible		: Shall contain:
8*4882a593Smuzhiyun  * "apm,xgene-ahci"
9*4882a593Smuzhiyun- reg			: First memory resource shall be the AHCI memory
10*4882a593Smuzhiyun			  resource.
11*4882a593Smuzhiyun			  Second memory resource shall be the host controller
12*4882a593Smuzhiyun			  core memory resource.
13*4882a593Smuzhiyun			  Third memory resource shall be the host controller
14*4882a593Smuzhiyun			  diagnostic memory resource.
15*4882a593Smuzhiyun			  4th memory resource shall be the host controller
16*4882a593Smuzhiyun			  AXI memory resource.
17*4882a593Smuzhiyun			  5th optional memory resource shall be the host
18*4882a593Smuzhiyun			  controller MUX memory resource if required.
19*4882a593Smuzhiyun- interrupts		: Interrupt-specifier for SATA host controller IRQ.
20*4882a593Smuzhiyun- clocks		: Reference to the clock entry.
21*4882a593Smuzhiyun- phys			: A list of phandles + phy-specifiers, one for each
22*4882a593Smuzhiyun			  entry in phy-names.
23*4882a593Smuzhiyun- phy-names		: Should contain:
24*4882a593Smuzhiyun  * "sata-phy" for the SATA 6.0Gbps PHY
25*4882a593Smuzhiyun
26*4882a593SmuzhiyunOptional properties:
27*4882a593Smuzhiyun- dma-coherent		: Present if dma operations are coherent
28*4882a593Smuzhiyun- status		: Shall be "ok" if enabled or "disabled" if disabled.
29*4882a593Smuzhiyun			  Default is "ok".
30*4882a593Smuzhiyun
31*4882a593SmuzhiyunExample:
32*4882a593Smuzhiyun		sataclk: sataclk {
33*4882a593Smuzhiyun			compatible = "fixed-clock";
34*4882a593Smuzhiyun			#clock-cells = <1>;
35*4882a593Smuzhiyun			clock-frequency = <100000000>;
36*4882a593Smuzhiyun			clock-output-names = "sataclk";
37*4882a593Smuzhiyun		};
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun		phy2: phy@1f22a000 {
40*4882a593Smuzhiyun			compatible = "apm,xgene-phy";
41*4882a593Smuzhiyun			reg = <0x0 0x1f22a000 0x0 0x100>;
42*4882a593Smuzhiyun			#phy-cells = <1>;
43*4882a593Smuzhiyun		};
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun		phy3: phy@1f23a000 {
46*4882a593Smuzhiyun			compatible = "apm,xgene-phy";
47*4882a593Smuzhiyun			reg = <0x0 0x1f23a000 0x0 0x100>;
48*4882a593Smuzhiyun			#phy-cells = <1>;
49*4882a593Smuzhiyun		};
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun		sata2: sata@1a400000 {
52*4882a593Smuzhiyun			compatible = "apm,xgene-ahci";
53*4882a593Smuzhiyun			reg = <0x0 0x1a400000 0x0 0x1000>,
54*4882a593Smuzhiyun			      <0x0 0x1f220000 0x0 0x1000>,
55*4882a593Smuzhiyun			      <0x0 0x1f22d000 0x0 0x1000>,
56*4882a593Smuzhiyun			      <0x0 0x1f22e000 0x0 0x1000>,
57*4882a593Smuzhiyun			      <0x0 0x1f227000 0x0 0x1000>;
58*4882a593Smuzhiyun			interrupts = <0x0 0x87 0x4>;
59*4882a593Smuzhiyun			dma-coherent;
60*4882a593Smuzhiyun			clocks = <&sataclk 0>;
61*4882a593Smuzhiyun			phys = <&phy2 0>;
62*4882a593Smuzhiyun			phy-names = "sata-phy";
63*4882a593Smuzhiyun		};
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun		sata3: sata@1a800000 {
66*4882a593Smuzhiyun			compatible = "apm,xgene-ahci-pcie";
67*4882a593Smuzhiyun			reg = <0x0 0x1a800000 0x0 0x1000>,
68*4882a593Smuzhiyun			      <0x0 0x1f230000 0x0 0x1000>,
69*4882a593Smuzhiyun			      <0x0 0x1f23d000 0x0 0x1000>,
70*4882a593Smuzhiyun			      <0x0 0x1f23e000 0x0 0x1000>,
71*4882a593Smuzhiyun			      <0x0 0x1f237000 0x0 0x1000>;
72*4882a593Smuzhiyun			interrupts = <0x0 0x88 0x4>;
73*4882a593Smuzhiyun			dma-coherent;
74*4882a593Smuzhiyun			clocks = <&sataclk 0>;
75*4882a593Smuzhiyun			phys = <&phy3 0>;
76*4882a593Smuzhiyun			phy-names = "sata-phy";
77*4882a593Smuzhiyun		};
78