xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mfd/hi6421.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun* HI6421 Multi-Functional Device (MFD), by HiSilicon Ltd.
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired parent device properties:
4*4882a593Smuzhiyun- compatible    : One of the following chip-specific strings:
5*4882a593Smuzhiyun	"hisilicon,hi6421-pmic";
6*4882a593Smuzhiyun	"hisilicon,hi6421v530-pmic";
7*4882a593Smuzhiyun- reg		: register range space of hi6421;
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunSupported Hi6421 sub-devices include:
10*4882a593Smuzhiyun
11*4882a593SmuzhiyunDevice                     IRQ Names              Supply Names   Description
12*4882a593Smuzhiyun------                     ---------              ------------   -----------
13*4882a593Smuzhiyunregulators               :  None                 : None         : Regulators
14*4882a593Smuzhiyun
15*4882a593SmuzhiyunRequired child device properties:
16*4882a593SmuzhiyunNone.
17*4882a593Smuzhiyun
18*4882a593SmuzhiyunExample:
19*4882a593Smuzhiyun	hi6421 {
20*4882a593Smuzhiyun		compatible = "hisilicon,hi6421-pmic";
21*4882a593Smuzhiyun		reg = <0xfcc00000 0x0180>; /* 0x60 << 2 */
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun		regulators {
24*4882a593Smuzhiyun			// supply for MLC NAND/ eMMC
25*4882a593Smuzhiyun			hi6421_vout0_reg: hi6421_vout0 {
26*4882a593Smuzhiyun				regulator-name = "VOUT0";
27*4882a593Smuzhiyun				regulator-min-microvolt = <2850000>;
28*4882a593Smuzhiyun				regulator-max-microvolt = <2850000>;
29*4882a593Smuzhiyun			};
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun			// supply for 26M Oscillator
32*4882a593Smuzhiyun			hi6421_vout1_reg: hi6421_vout1 {
33*4882a593Smuzhiyun				regulator-name = "VOUT1";
34*4882a593Smuzhiyun				regulator-min-microvolt = <1700000>;
35*4882a593Smuzhiyun				regulator-max-microvolt = <2000000>;
36*4882a593Smuzhiyun				regulator-boot-on;
37*4882a593Smuzhiyun				regulator-always-on;
38*4882a593Smuzhiyun			};
39*4882a593Smuzhiyun		};
40*4882a593Smuzhiyun	};
41