xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun* Freescale i.MX6 UltraLite IOMUX Controller
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunPlease refer to fsl,imx-pinctrl.txt in this directory for common binding part
4*4882a593Smuzhiyunand usage.
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunRequired properties:
7*4882a593Smuzhiyun- compatible: "fsl,imx6ul-iomuxc" for main IOMUX controller or
8*4882a593Smuzhiyun  "fsl,imx6ull-iomuxc-snvs" for i.MX 6ULL's SNVS IOMUX controller.
9*4882a593Smuzhiyun- fsl,pins: each entry consists of 6 integers and represents the mux and config
10*4882a593Smuzhiyun  setting for one pin.  The first 5 integers <mux_reg conf_reg input_reg mux_val
11*4882a593Smuzhiyun  input_val> are specified using a PIN_FUNC_ID macro, which can be found in
12*4882a593Smuzhiyun  imx6ul-pinfunc.h under device tree source folder.  The last integer CONFIG is
13*4882a593Smuzhiyun  the pad setting value like pull-up on this pin.  Please refer to i.MX6 UltraLite
14*4882a593Smuzhiyun  Reference Manual for detailed CONFIG settings.
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunCONFIG bits definition:
17*4882a593SmuzhiyunPAD_CTL_HYS                     (1 << 16)
18*4882a593SmuzhiyunPAD_CTL_PUS_100K_DOWN           (0 << 14)
19*4882a593SmuzhiyunPAD_CTL_PUS_47K_UP              (1 << 14)
20*4882a593SmuzhiyunPAD_CTL_PUS_100K_UP             (2 << 14)
21*4882a593SmuzhiyunPAD_CTL_PUS_22K_UP              (3 << 14)
22*4882a593SmuzhiyunPAD_CTL_PUE                     (1 << 13)
23*4882a593SmuzhiyunPAD_CTL_PKE                     (1 << 12)
24*4882a593SmuzhiyunPAD_CTL_ODE                     (1 << 11)
25*4882a593SmuzhiyunPAD_CTL_SPEED_LOW               (0 << 6)
26*4882a593SmuzhiyunPAD_CTL_SPEED_MED               (1 << 6)
27*4882a593SmuzhiyunPAD_CTL_SPEED_HIGH              (3 << 6)
28*4882a593SmuzhiyunPAD_CTL_DSE_DISABLE             (0 << 3)
29*4882a593SmuzhiyunPAD_CTL_DSE_260ohm              (1 << 3)
30*4882a593SmuzhiyunPAD_CTL_DSE_130ohm              (2 << 3)
31*4882a593SmuzhiyunPAD_CTL_DSE_87ohm               (3 << 3)
32*4882a593SmuzhiyunPAD_CTL_DSE_65ohm               (4 << 3)
33*4882a593SmuzhiyunPAD_CTL_DSE_52ohm               (5 << 3)
34*4882a593SmuzhiyunPAD_CTL_DSE_43ohm               (6 << 3)
35*4882a593SmuzhiyunPAD_CTL_DSE_37ohm               (7 << 3)
36*4882a593SmuzhiyunPAD_CTL_SRE_FAST                (1 << 0)
37*4882a593SmuzhiyunPAD_CTL_SRE_SLOW                (0 << 0)
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