xref: /openbmc/linux/Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-pinctrl.txt (revision c13aca79ff3c4af5fd31a5b2743a90eba6e36a26)
1*72fd9bc8SBai Ping* Freescale i.MX6 SLL IOMUX Controller
2*72fd9bc8SBai Ping
3*72fd9bc8SBai PingPlease refer to fsl,imx-pinctrl.txt in this directory for common binding part
4*72fd9bc8SBai Pingand usage.
5*72fd9bc8SBai Ping
6*72fd9bc8SBai PingRequired properties:
7*72fd9bc8SBai Ping- compatible: "fsl,imx6sll-iomuxc"
8*72fd9bc8SBai Ping- fsl,pins: each entry consists of 6 integers and represents the mux and config
9*72fd9bc8SBai Ping  setting for one pin.  The first 5 integers <mux_reg conf_reg input_reg mux_val
10*72fd9bc8SBai Ping  input_val> are specified using a PIN_FUNC_ID macro, which can be found in
11*72fd9bc8SBai Ping  imx6sll-pinfunc.h under device tree source folder.  The last integer CONFIG is
12*72fd9bc8SBai Ping  the pad setting value like pull-up on this pin.  Please refer to i.MX6SLL
13*72fd9bc8SBai Ping  Reference Manual for detailed CONFIG settings.
14*72fd9bc8SBai Ping
15*72fd9bc8SBai PingCONFIG bits definition:
16*72fd9bc8SBai PingPAD_CTL_LVE			(1 << 22)
17*72fd9bc8SBai PingPAD_CTL_HYS                     (1 << 16)
18*72fd9bc8SBai PingPAD_CTL_PUS_100K_DOWN           (0 << 14)
19*72fd9bc8SBai PingPAD_CTL_PUS_47K_UP              (1 << 14)
20*72fd9bc8SBai PingPAD_CTL_PUS_100K_UP             (2 << 14)
21*72fd9bc8SBai PingPAD_CTL_PUS_22K_UP              (3 << 14)
22*72fd9bc8SBai PingPAD_CTL_PUE                     (1 << 13)
23*72fd9bc8SBai PingPAD_CTL_PKE                     (1 << 12)
24*72fd9bc8SBai PingPAD_CTL_ODE                     (1 << 11)
25*72fd9bc8SBai PingPAD_CTL_SPEED_LOW               (0 << 6)
26*72fd9bc8SBai PingPAD_CTL_SPEED_MED               (1 << 6)
27*72fd9bc8SBai PingPAD_CTL_SPEED_HIGH              (3 << 6)
28*72fd9bc8SBai PingPAD_CTL_DSE_DISABLE             (0 << 3)
29*72fd9bc8SBai PingPAD_CTL_DSE_260ohm              (1 << 3)
30*72fd9bc8SBai PingPAD_CTL_DSE_130ohm              (2 << 3)
31*72fd9bc8SBai PingPAD_CTL_DSE_87ohm               (3 << 3)
32*72fd9bc8SBai PingPAD_CTL_DSE_65ohm               (4 << 3)
33*72fd9bc8SBai PingPAD_CTL_DSE_52ohm               (5 << 3)
34*72fd9bc8SBai PingPAD_CTL_DSE_43ohm               (6 << 3)
35*72fd9bc8SBai PingPAD_CTL_DSE_37ohm               (7 << 3)
36*72fd9bc8SBai PingPAD_CTL_SRE_FAST                (1 << 0)
37*72fd9bc8SBai PingPAD_CTL_SRE_SLOW                (0 << 0)
38*72fd9bc8SBai Ping
39*72fd9bc8SBai PingRefer to imx6sll-pinfunc.h in device tree source folder for all available
40*72fd9bc8SBai Pingimx6sll PIN_FUNC_ID.
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