On Thu, Sep 15, 2011 at 04:52:00PM +0530, Rajendra Nayak wrote:
> Pass regulator_init_data information for omap4sdp from device tree so the
> regulator driver can then use the regulator helper
> routine to extract and use them during the driver probe().
>
> Add documentation for TWL regulator specific bindings.
>
> Signed-off-by: Rajendra Nayak <rnayak@xxxxxx>
> ---
> .../bindings/regulator/twl-regulator.txt | 18 ++++++++++++++++++
> arch/arm/boot/dts/omap4-sdp.dts | 16 ++++++++++++++++
> 2 files changed, 34 insertions(+), 0 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/regulator/twl-regulator.txt
>
> diff --git a/Documentation/devicetree/bindings/regulator/twl-regulator.txt b/Documentation/devicetree/bindings/regulator/twl-regulator.txt
> new file mode 100644
> index 0000000..59df44b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/twl-regulator.txt
> @@ -0,0 +1,18 @@
> +TWL family of regulators
> +
> +Required properties:
> +- compatible: Must be "regulator","ti,twl-reg";
Most specific values always come first. Of course, this point is moot
since "regulator" shouldn't be used at all.
> +
> +Optional properties:
> +- Any optional property defined in bindings/regulator/regulator.txt
> +- ti,reg-id: Identifier for a TWL regulator, defined in linux/i2c/twl.h file.
This needs more explanation. I don't understand what it means.
> +
> +Example:
> +
> + xyz-regulator: regulator@0 {
> + compatible = "regulator","ti,twl-reg";
> + ti,reg-id = <37>; /* TWL6030_REG_VAUX1_6030 */
> + min-uV = <1000000>;
> + max-uV = <3000000>;
> + apply-uV;
> + };
> diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts
> index 14faf92..2a613e2 100644
> --- a/arch/arm/boot/dts/omap4-sdp.dts
> +++ b/arch/arm/boot/dts/omap4-sdp.dts
> @@ -52,6 +52,22 @@
> interrupts = <11>;
> reg = <0>;
> };
> +
> + vaux1-regulator: regulator@0 {
> + compatible = "regulator","ti,twl-reg";
> + ti,reg-id = <37>; /* TWL6030_REG_VAUX1_6030 */
> + min-uV = <1000000>;
> + max-uV = <3000000>;
> + apply-uV;
> + };
> +
> + vusim-regulator: regulator@1 {
> + compatible = "regulator","ti,twl-reg";
> + ti,reg-id = <42>; /* TWL6030_REG_VUSIM */
> + min-uV = <1200000>;
> + max-uV = <2900000>;
> + apply_uV;
> + };
> };
> };
>
> --
> 1.7.1
>
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