linux-kernel - Re: [PATCH-v2 2/2] regulator: 88pm800: Add support for configuration of dual phase on BUCK1

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20150723155432.GV3436@x1>
Date:	Thu, 23 Jul 2015 16:54:32 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Vaibhav Hiremath <vaibhav.hiremath@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, robh+dt@...nel.org,
	devicetree@...r.kernel.org, broonie@...nel.org,
	k.kozlowski@...sung.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH-v2 2/2] regulator: 88pm800: Add support for configuration
 of dual phase on BUCK1

On Tue, 21 Jul 2015, Vaibhav Hiremath wrote:

> 88PM860 device supports dual phase mode on BUCK1 output.
> In normal usecase, BUCK1A and BUCK1B operates independently with 3A
> capacity. And they both can work as a dual phase providing 6A capacity.
> 
> This patch updates the regulator driver to read the respective
> DT property and enable dual-phase mode on BUCK1.
> 
> Note that, this is init time (one time) initialization.
> 
> Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@...aro.org>
> ---
>  drivers/regulator/88pm800.c | 31 +++++++++++++++++++++++++++++++
>  include/linux/mfd/88pm80x.h |  3 +++
>  2 files changed, 34 insertions(+)

[...]

> diff --git a/include/linux/mfd/88pm80x.h b/include/linux/mfd/88pm80x.h
> index a92d173..05d9bad 100644
> --- a/include/linux/mfd/88pm80x.h
> +++ b/include/linux/mfd/88pm80x.h
> @@ -295,6 +295,9 @@ enum {
>  #define PM860_BUCK4_MISC2		(0x82)
>  #define PM860_BUCK4_FULL_DRV		BIT(2)
>  
> +#define PM860_BUCK1_MISC		(0x8E)

Why the over-bracketing?

> +#define BUCK1_DUAL_PHASE_SEL		BIT(2)
> +
>  struct pm80x_rtc_pdata {
>  	int		vrtc;
>  	int		rtc_wakeup;

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/