On Tue, May 30, 2017 at 06:57:40PM +0530, Keerthy wrote:
> The LP87565 chip is a power management IC for Portable Navigation Systems
> and Tablet Computing devices. It contains the following components:
>
> - Configurable Bucks(Single and multi-phase).
> - Configurable General Purpose Output Signals (GPO).
>
> The LP87565-Q1 variant device uses two 2-phase outputs configuration,
> Buck0 is master for Buck0/1 output and Buck2 is master for Buck2/3
> output.
>
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
> ---
>
> The other patches are already pulled by Mark. Hence posting
> the remaining patch.
>
> Changes in v3:
>
> * Fixed License to GPL v2.
> * Fixed an indentation issue.
>
> Changes in v2:
>
> * Fixed a bunch of whitespace errors.
> * Changed the License to short form.
> * Added the generic compatible lp87565
> * Removed i2c_device_id table.
> * Introduced probe_new function in place of probe.
>
> Documentation/devicetree/bindings/mfd/lp87565.txt | 45 ++++
> drivers/mfd/Kconfig | 14 ++
> drivers/mfd/Makefile | 1 +
> drivers/mfd/lp87565.c | 92 ++++++++
> include/linux/mfd/lp87565.h | 270 ++++++++++++++++++++++
> 5 files changed, 422 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/lp87565.txt
> create mode 100644 drivers/mfd/lp87565.c
> create mode 100644 include/linux/mfd/lp87565.h
>
> diff --git a/Documentation/devicetree/bindings/mfd/lp87565.txt b/Documentation/devicetree/bindings/mfd/lp87565.txt
> new file mode 100644
> index 0000000..f63d568
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/lp87565.txt
> @@ -0,0 +1,45 @@
> +TI LP87565 PMIC MFD driver
> +
> +Required properties:
> + - compatible: "ti,lp87565", "ti,lp87565-q1"
> + - reg: I2C slave address.
> + - gpio-controller: Marks the device node as a GPIO Controller.
> + - #gpio-cells: Should be two. The first cell is the pin number and
> + the second cell is used to specify flags.
> + See ../gpio/gpio.txt for more information.
> + - xxx-in-supply: Phandle to parent supply node of each regulator
> + populated under regulators node. xxx should match
> + the supply_name populated in driver.
> + - regulators: List of child nodes that specify the regulator
> + initialization data.
This is a node, not a property.
> +Example:
> +
> +lp87565_pmic: lp87565@60 {
pmic@60
> + compatible = "ti,lp87565-q1";
> + reg = <0x60>;
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + buck10-in-supply = <&vsys_3v3>;
> + buck23-in-supply = <&vsys_3v3>;
> +
> + regulators: regulators {
> + buck10_reg: buck10 {
> + /* VDD_MPU */
> + regulator-name = "buck10";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <1250000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + buck23_reg: buck23 {
> + /* VDD_GPU */
> + regulator-name = "buck23";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <1250000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + };
> +};
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