1 * Freescale i.MX7 Dual IOMUX Controller
3 Please refer to fsl,imx-pinctrl.txt in this directory for common binding part
7 - compatible: "fsl,imx7d-iomuxc"
8 - fsl,pins: each entry consists of 6 integers and represents the mux and config
9 setting for one pin. The first 5 integers <mux_reg conf_reg input_reg mux_val
10 input_val> are specified using a PIN_FUNC_ID macro, which can be found in
11 imx7d-pinfunc.h under device tree source folder. The last integer CONFIG is
12 the pad setting value like pull-up on this pin. Please refer to i.MX7 Dual
13 Reference Manual for detailed CONFIG settings.
15 CONFIG bits definition:
16 PAD_CTL_PUS_100K_DOWN (0 << 5)
17 PAD_CTL_PUS_5K_UP (1 << 5)
18 PAD_CTL_PUS_47K_UP (2 << 5)
19 PAD_CTL_PUS_100K_UP (3 << 5)
22 PAD_CTL_SRE_SLOW (1 << 2)
23 PAD_CTL_SRE_FAST (0 << 2)
24 PAD_CTL_DSE_X1 (0 << 0)
25 PAD_CTL_DSE_X2 (1 << 0)
26 PAD_CTL_DSE_X3 (2 << 0)
27 PAD_CTL_DSE_X4 (3 << 0)