Re: [PATCH 0/6] mfd: 88pm800: Add 88pm860 device support

From: Krzysztof Kozlowski
Date: Thu Jul 09 2015 - 08:04:40 EST


2015-07-09 20:47 GMT+09:00 Vaibhav Hiremath <vaibhav.hiremath@xxxxxxxxxx>:
> 88PM860 falls under 88pm800 family of devices, with some feature
> additions, for example, support for dual phase on BUCK1.

Hi,

There are already drivers for 88PM860: mfd, charger and battery. Isn't
you duplicating existing code?

Best regards,
Krzysztof

>
> This patch series, enabled chip ID support for 88pm860 in the driver
> and adds,
> - Init time configuration support based on chip ID
> - DT property for 32KHz low jitter clock enable
> - DT property for dual phase enable
>
> TODO:
> - Some of init time configurations are common to both 88pm800 and 88pm860
> devices, but since I can not validate it, decided to move it to
> 88pm860 block only.
> But if someone is willing to help me in validation, we can move it to
> common code later. No issues there.
> - Sleep/low-power-mode related configuration is also part of init time,
> but since we are too far from sleep mode support and without testing
> I do not want add anything, decided to take it later when we actually
> start looking at sleep support.
> - Init time configuration also includes pinmux setting for the device.
> I am working on using pinctrl-single driver to have standard and generic
> interface, hopefully it will get handled through pinctrl subsystem.
> Link to RFC - https://patches.linaro.org/50604/
>
> Vaibhav Hiremath (6):
> mfd: 88pm80x: Add 88pm860 chip type support
> mfd: 88pm800: Add init time initial configuration support
> mfd: devicetree: bindings: 88pm800: Add DT property for 32KHz output
> enable
> mfd: 88pm800: Enable 32KHZ XO low jitter clock out
> mfd: devicetree: bindings: 88pm800: Add DT property for dual phase
> enable
> mfd: 88pm800: Add support for configuration of dual phase on BUCK1
>
> Documentation/devicetree/bindings/mfd/88pm800.txt | 12 ++++
> drivers/mfd/88pm800.c | 88 +++++++++++++++++++++++
> drivers/mfd/88pm80x.c | 2 +
> include/linux/mfd/88pm80x.h | 18 +++++
> 4 files changed, 120 insertions(+)
>
> --
> 1.9.1
>
>
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