Commit | Line | Data |
---|---|---|
8494294b KG |
1 | * Qualcomm AHCI SATA Controller |
2 | ||
3 | SATA nodes are defined to describe on-chip Serial ATA controllers. | |
4 | Each SATA controller should have its own node. | |
5 | ||
6 | Required properties: | |
7 | - compatible : compatible list, must contain "generic-ahci" | |
8 | - interrupts : <interrupt mapping for SATA IRQ> | |
9 | - reg : <registers mapping> | |
10 | - phys : Must contain exactly one entry as specified | |
11 | in phy-bindings.txt | |
12 | - phy-names : Must be "sata-phy" | |
13 | ||
14 | Required properties for "qcom,ipq806x-ahci" compatible: | |
15 | - clocks : Must contain an entry for each entry in clock-names. | |
16 | - clock-names : Shall be: | |
17 | "slave_iface" - Fabric port AHB clock for SATA | |
18 | "iface" - AHB clock | |
19 | "core" - core clock | |
20 | "rxoob" - RX out-of-band clock | |
21 | "pmalive" - Power Module Alive clock | |
22 | - assigned-clocks : Shall be: | |
23 | SATA_RXOOB_CLK | |
24 | SATA_PMALIVE_CLK | |
25 | - assigned-clock-rates : Shall be: | |
26 | 100Mhz (100000000) for SATA_RXOOB_CLK | |
27 | 100Mhz (100000000) for SATA_PMALIVE_CLK | |
28 | ||
29 | Example: | |
30 | sata@29000000 { | |
31 | compatible = "qcom,ipq806x-ahci", "generic-ahci"; | |
32 | reg = <0x29000000 0x180>; | |
33 | ||
34 | interrupts = <0 209 0x0>; | |
35 | ||
36 | clocks = <&gcc SFAB_SATA_S_H_CLK>, | |
37 | <&gcc SATA_H_CLK>, | |
38 | <&gcc SATA_A_CLK>, | |
39 | <&gcc SATA_RXOOB_CLK>, | |
40 | <&gcc SATA_PMALIVE_CLK>; | |
41 | clock-names = "slave_iface", "iface", "core", | |
42 | "rxoob", "pmalive"; | |
43 | assigned-clocks = <&gcc SATA_RXOOB_CLK>, <&gcc SATA_PMALIVE_CLK>; | |
44 | assigned-clock-rates = <100000000>, <100000000>; | |
45 | ||
46 | phys = <&sata_phy>; | |
47 | phy-names = "sata-phy"; | |
48 | }; |