2012-05-15 15:49:03 +08:00
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* Freescale IMX51 IOMUX Controller
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Please refer to fsl,imx-pinctrl.txt in this directory for common binding part
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and usage.
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Required properties:
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- compatible: "fsl,imx51-iomuxc"
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- fsl,pins: two integers array, represents a group of pins mux and config
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setting. The format is fsl,pins = <PIN_FUNC_ID CONFIG>, PIN_FUNC_ID is a
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pin working on a specific function, CONFIG is the pad setting value like
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pull-up for this pin. Please refer to imx51 datasheet for the valid pad
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config settings.
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CONFIG bits definition:
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PAD_CTL_HVE (1 << 13)
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PAD_CTL_HYS (1 << 8)
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PAD_CTL_PKE (1 << 7)
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PAD_CTL_PUE (1 << 6)
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PAD_CTL_PUS_100K_DOWN (0 << 4)
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PAD_CTL_PUS_47K_UP (1 << 4)
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PAD_CTL_PUS_100K_UP (2 << 4)
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PAD_CTL_PUS_22K_UP (3 << 4)
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PAD_CTL_ODE (1 << 3)
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PAD_CTL_DSE_LOW (0 << 1)
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PAD_CTL_DSE_MED (1 << 1)
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PAD_CTL_DSE_HIGH (2 << 1)
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PAD_CTL_DSE_MAX (3 << 1)
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PAD_CTL_SRE_FAST (1 << 0)
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PAD_CTL_SRE_SLOW (0 << 0)
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2013-02-20 10:32:52 +08:00
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Refer to imx51-pinfunc.h in device tree source folder for all available
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imx51 PIN_FUNC_ID.
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