[PATCH V8 1/6] Document: dt: binding: imx: update document for imx7d support
Shawn Guo
shawn.guo at linaro.org
Mon May 11 06:58:02 PDT 2015
On Fri, May 08, 2015 at 01:35:53AM +0800, Frank.Li at freescale.com wrote:
> From: Frank Li <Frank.Li at freescale.com>
>
> This part just add necessary change to boot imx7d.
> Update clock, pinctrl and gpt for imx7d
The gpt part is not covered here anymore. I dropped it and applied the
patch.
Shawn
>
> Signed-off-by: Frank Li <Frank.Li at freescale.com>
> ---
> .../devicetree/bindings/clock/imx7d-clock.txt | 13 +++++++++++
> .../bindings/pinctrl/fsl,imx7d-pinctrl.txt | 27 ++++++++++++++++++++++
> 2 files changed, 40 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/imx7d-clock.txt
> create mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imx7d-pinctrl.txt
>
> diff --git a/Documentation/devicetree/bindings/clock/imx7d-clock.txt b/Documentation/devicetree/bindings/clock/imx7d-clock.txt
> new file mode 100644
> index 0000000..9d3026d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/imx7d-clock.txt
> @@ -0,0 +1,13 @@
> +* Clock bindings for Freescale i.MX7 Dual
> +
> +Required properties:
> +- compatible: Should be "fsl,imx7d-ccm"
> +- reg: Address and length of the register set
> +- #clock-cells: Should be <1>
> +- clocks: list of clock specifiers, must contain an entry for each required
> + entry in clock-names
> +- clock-names: should include entries "ckil", "osc"
> +
> +The clock consumer should specify the desired clock by having the clock
> +ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx7d-clock.h
> +for the full list of i.MX7 Dual clock IDs.
> diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx7d-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx7d-pinctrl.txt
> new file mode 100644
> index 0000000..8bbf25d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx7d-pinctrl.txt
> @@ -0,0 +1,27 @@
> +* Freescale i.MX7 Dual IOMUX Controller
> +
> +Please refer to fsl,imx-pinctrl.txt in this directory for common binding part
> +and usage.
> +
> +Required properties:
> +- compatible: "fsl,imx7d-iomuxc"
> +- fsl,pins: each entry consists of 6 integers and represents the mux and config
> + setting for one pin. The first 5 integers <mux_reg conf_reg input_reg mux_val
> + input_val> are specified using a PIN_FUNC_ID macro, which can be found in
> + imx7d-pinfunc.h under device tree source folder. The last integer CONFIG is
> + the pad setting value like pull-up on this pin. Please refer to i.MX7 Dual
> + Reference Manual for detailed CONFIG settings.
> +
> +CONFIG bits definition:
> +PAD_CTL_PUS_100K_DOWN (0 << 5)
> +PAD_CTL_PUS_5K_UP (1 << 5)
> +PAD_CTL_PUS_47K_UP (2 << 5)
> +PAD_CTL_PUS_100K_UP (3 << 5)
> +PAD_CTL_PUE (1 << 4)
> +PAD_CTL_HYS (1 << 3)
> +PAD_CTL_SRE_SLOW (1 << 2)
> +PAD_CTL_SRE_FAST (0 << 2)
> +PAD_CTL_DSE_X1 (0 << 0)
> +PAD_CTL_DSE_X2 (1 << 0)
> +PAD_CTL_DSE_X3 (2 << 0)
> +PAD_CTL_DSE_X4 (3 << 0)
> --
> 1.9.1
>
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