xref: /openbmc/linux/Documentation/devicetree/bindings/pinctrl/fsl,imx6sx-pinctrl.txt (revision e5451c8f8330e03ad3cfa16048b4daf961af434f)
1*2cc140feSAnson Huang* Freescale i.MX6 SoloX IOMUX Controller
2*2cc140feSAnson Huang
3*2cc140feSAnson HuangPlease refer to fsl,imx-pinctrl.txt in this directory for common binding part
4*2cc140feSAnson Huangand usage.
5*2cc140feSAnson Huang
6*2cc140feSAnson HuangRequired properties:
7*2cc140feSAnson Huang- compatible: "fsl,imx6sx-iomuxc"
8*2cc140feSAnson Huang- fsl,pins: each entry consists of 6 integers and represents the mux and config
9*2cc140feSAnson Huang  setting for one pin.  The first 5 integers <mux_reg conf_reg input_reg mux_val
10*2cc140feSAnson Huang  input_val> are specified using a PIN_FUNC_ID macro, which can be found in
11*2cc140feSAnson Huang  imx6sx-pinfunc.h under device tree source folder.  The last integer CONFIG is
12*2cc140feSAnson Huang  the pad setting value like pull-up on this pin.  Please refer to i.MX6 SoloX
13*2cc140feSAnson Huang  Reference Manual for detailed CONFIG settings.
14*2cc140feSAnson Huang
15*2cc140feSAnson HuangCONFIG bits definition:
16*2cc140feSAnson HuangPAD_CTL_HYS                     (1 << 16)
17*2cc140feSAnson HuangPAD_CTL_PUS_100K_DOWN           (0 << 14)
18*2cc140feSAnson HuangPAD_CTL_PUS_47K_UP              (1 << 14)
19*2cc140feSAnson HuangPAD_CTL_PUS_100K_UP             (2 << 14)
20*2cc140feSAnson HuangPAD_CTL_PUS_22K_UP              (3 << 14)
21*2cc140feSAnson HuangPAD_CTL_PUE                     (1 << 13)
22*2cc140feSAnson HuangPAD_CTL_PKE                     (1 << 12)
23*2cc140feSAnson HuangPAD_CTL_ODE                     (1 << 11)
24*2cc140feSAnson HuangPAD_CTL_SPEED_LOW               (0 << 6)
25*2cc140feSAnson HuangPAD_CTL_SPEED_MED               (1 << 6)
26*2cc140feSAnson HuangPAD_CTL_SPEED_HIGH              (3 << 6)
27*2cc140feSAnson HuangPAD_CTL_DSE_DISABLE             (0 << 3)
28*2cc140feSAnson HuangPAD_CTL_DSE_260ohm              (1 << 3)
29*2cc140feSAnson HuangPAD_CTL_DSE_130ohm              (2 << 3)
30*2cc140feSAnson HuangPAD_CTL_DSE_87ohm               (3 << 3)
31*2cc140feSAnson HuangPAD_CTL_DSE_65ohm               (4 << 3)
32*2cc140feSAnson HuangPAD_CTL_DSE_52ohm               (5 << 3)
33*2cc140feSAnson HuangPAD_CTL_DSE_43ohm               (6 << 3)
34*2cc140feSAnson HuangPAD_CTL_DSE_37ohm               (7 << 3)
35*2cc140feSAnson HuangPAD_CTL_SRE_FAST                (1 << 0)
36*2cc140feSAnson HuangPAD_CTL_SRE_SLOW                (0 << 0)
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