1 * Freescale IMX51 IOMUX Controller
3 Please refer to fsl,imx-pinctrl.txt in this directory for common binding part
7 - compatible: "fsl,imx51-iomuxc"
8 - fsl,pins: two integers array, represents a group of pins mux and config
9 setting. The format is fsl,pins = <PIN_FUNC_ID CONFIG>, PIN_FUNC_ID is a
10 pin working on a specific function, CONFIG is the pad setting value like
11 pull-up for this pin. Please refer to imx51 datasheet for the valid pad
14 CONFIG bits definition:
19 PAD_CTL_PUS_100K_DOWN (0 << 4)
20 PAD_CTL_PUS_47K_UP (1 << 4)
21 PAD_CTL_PUS_100K_UP (2 << 4)
22 PAD_CTL_PUS_22K_UP (3 << 4)
24 PAD_CTL_DSE_LOW (0 << 1)
25 PAD_CTL_DSE_MED (1 << 1)
26 PAD_CTL_DSE_HIGH (2 << 1)
27 PAD_CTL_DSE_MAX (3 << 1)
28 PAD_CTL_SRE_FAST (1 << 0)
29 PAD_CTL_SRE_SLOW (0 << 0)
31 Refer to imx51-pinfunc.h in device tree source folder for all available