1 * Freescale IMX50 IOMUX Controller 1 * Freescale IMX50 IOMUX Controller
2 2
3 Please refer to fsl,imx-pinctrl.txt in this di 3 Please refer to fsl,imx-pinctrl.txt in this directory for common binding part
4 and usage. 4 and usage.
5 5
6 Required properties: 6 Required properties:
7 - compatible: "fsl,imx50-iomuxc" 7 - compatible: "fsl,imx50-iomuxc"
8 - fsl,pins: two integers array, represents a g 8 - fsl,pins: two integers array, represents a group of pins mux and config
9 setting. The format is fsl,pins = <PIN_FUNC_ 9 setting. The format is fsl,pins = <PIN_FUNC_ID CONFIG>, PIN_FUNC_ID is a
10 pin working on a specific function, CONFIG i 10 pin working on a specific function, CONFIG is the pad setting value like
11 pull-up for this pin. Please refer to imx50 11 pull-up for this pin. Please refer to imx50 datasheet for the valid pad
12 config settings. 12 config settings.
13 13
14 CONFIG bits definition: 14 CONFIG bits definition:
15 PAD_CTL_HVE (1 << 13) 15 PAD_CTL_HVE (1 << 13)
16 PAD_CTL_HYS (1 << 8) 16 PAD_CTL_HYS (1 << 8)
17 PAD_CTL_PKE (1 << 7) 17 PAD_CTL_PKE (1 << 7)
18 PAD_CTL_PUE (1 << 6) 18 PAD_CTL_PUE (1 << 6)
19 PAD_CTL_PUS_100K_DOWN (0 << 4) 19 PAD_CTL_PUS_100K_DOWN (0 << 4)
20 PAD_CTL_PUS_47K_UP (1 << 4) 20 PAD_CTL_PUS_47K_UP (1 << 4)
21 PAD_CTL_PUS_100K_UP (2 << 4) 21 PAD_CTL_PUS_100K_UP (2 << 4)
22 PAD_CTL_PUS_22K_UP (3 << 4) 22 PAD_CTL_PUS_22K_UP (3 << 4)
23 PAD_CTL_ODE (1 << 3) 23 PAD_CTL_ODE (1 << 3)
24 PAD_CTL_DSE_LOW (0 << 1) 24 PAD_CTL_DSE_LOW (0 << 1)
25 PAD_CTL_DSE_MED (1 << 1) 25 PAD_CTL_DSE_MED (1 << 1)
26 PAD_CTL_DSE_HIGH (2 << 1) 26 PAD_CTL_DSE_HIGH (2 << 1)
27 PAD_CTL_DSE_MAX (3 << 1) 27 PAD_CTL_DSE_MAX (3 << 1)
28 PAD_CTL_SRE_FAST (1 << 0) 28 PAD_CTL_SRE_FAST (1 << 0)
29 PAD_CTL_SRE_SLOW (0 << 0) 29 PAD_CTL_SRE_SLOW (0 << 0)
30 30
31 Refer to imx50-pinfunc.h in device tree source 31 Refer to imx50-pinfunc.h in device tree source folder for all available
32 imx50 PIN_FUNC_ID. 32 imx50 PIN_FUNC_ID.
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.