xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/ata/ahci-st.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunSTMicroelectronics STi SATA controller
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunThis binding describes a SATA device.
4*4882a593Smuzhiyun
5*4882a593SmuzhiyunRequired properties:
6*4882a593Smuzhiyun - compatible	   : Must be "st,ahci"
7*4882a593Smuzhiyun - reg		   : Physical base addresses and length of register sets
8*4882a593Smuzhiyun - interrupts	   : Interrupt associated with the SATA device
9*4882a593Smuzhiyun - interrupt-names :   Associated name must be; "hostc"
10*4882a593Smuzhiyun - clocks	   : The phandle for the clock
11*4882a593Smuzhiyun - clock-names	   :   Associated name must be; "ahci_clk"
12*4882a593Smuzhiyun - phys		   : The phandle for the PHY port
13*4882a593Smuzhiyun - phy-names	   :   Associated name must be; "ahci_phy"
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunOptional properties:
16*4882a593Smuzhiyun - resets	   : The power-down, soft-reset and power-reset lines of SATA IP
17*4882a593Smuzhiyun - reset-names	   :   Associated names must be; "pwr-dwn", "sw-rst" and "pwr-rst"
18*4882a593Smuzhiyun
19*4882a593SmuzhiyunExample:
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun	/* Example for stih407 family silicon */
22*4882a593Smuzhiyun	sata0: sata@9b20000 {
23*4882a593Smuzhiyun		compatible	= "st,ahci";
24*4882a593Smuzhiyun		reg		= <0x9b20000 0x1000>;
25*4882a593Smuzhiyun		interrupts	= <GIC_SPI 159 IRQ_TYPE_NONE>;
26*4882a593Smuzhiyun		interrupt-names	= "hostc";
27*4882a593Smuzhiyun		phys		= <&phy_port0 PHY_TYPE_SATA>;
28*4882a593Smuzhiyun		phy-names	= "ahci_phy";
29*4882a593Smuzhiyun		resets		= <&powerdown STIH407_SATA0_POWERDOWN>,
30*4882a593Smuzhiyun				  <&softreset STIH407_SATA0_SOFTRESET>,
31*4882a593Smuzhiyun				  <&softreset STIH407_SATA0_PWR_SOFTRESET>;
32*4882a593Smuzhiyun		reset-names	= "pwr-dwn", "sw-rst", "pwr-rst";
33*4882a593Smuzhiyun		clocks		= <&clk_s_c0_flexgen CLK_ICN_REG>;
34*4882a593Smuzhiyun		clock-names	= "ahci_clk";
35*4882a593Smuzhiyun	};
36