From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [RESEND PATCH v16 3/4] soc: rockchip: power-domain: Add power domain driver Date: Tue, 25 Aug 2015 13:57:16 -0700 Message-ID: <7hwpwjaxxv.fsf@deeprootsystems.com> References: <1440487486-6154-1-git-send-email-wxt@rock-chips.com> <1440487486-6154-4-git-send-email-wxt@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1440487486-6154-4-git-send-email-wxt-TNX95d0MmH7DzftRWevZcw@public.gmane.org> (Caesar Wang's message of "Tue, 25 Aug 2015 15:24:45 +0800") Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Caesar Wang Cc: heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org, ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, tomasz.figa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "jinkun.hong" List-Id: linux-rockchip.vger.kernel.org Caesar Wang writes: > This driver is found on RK3288 SoCs. > > In order to meet high performance and low power requirements, a power > management unit is designed or saving power when RK3288 in low power > mode. > The RK3288 PMU is dedicated for managing the power of the whole chip. > > PMU can work in the Low Power Mode by setting bit[0] of PMU_PWRMODE_CON > register. After setting the register, PMU would enter the Low Power mode. > In the low power mode, pmu will auto power on/off the specified power > domain, send idle req to specified power domain, shut down/up pll and > so on. All of above are configurable by setting corresponding registers. > > Signed-off-by: jinkun.hong > Signed-off-by: Caesar Wang [...] > diff --git a/drivers/soc/rockchip/Kconfig b/drivers/soc/rockchip/Kconfig > new file mode 100644 > index 0000000..87a09c3 > --- /dev/null > +++ b/drivers/soc/rockchip/Kconfig > @@ -0,0 +1,13 @@ > +# > +# Rockchip Soc drivers > +# > +config PM_GENERIC_DOMAINS Why are you (re)defining this config option? This name is already used in kernel/pm/Kconfig. Kevin -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@kernel.org (Kevin Hilman) Date: Tue, 25 Aug 2015 13:57:16 -0700 Subject: [RESEND PATCH v16 3/4] soc: rockchip: power-domain: Add power domain driver In-Reply-To: <1440487486-6154-4-git-send-email-wxt@rock-chips.com> (Caesar Wang's message of "Tue, 25 Aug 2015 15:24:45 +0800") References: <1440487486-6154-1-git-send-email-wxt@rock-chips.com> <1440487486-6154-4-git-send-email-wxt@rock-chips.com> Message-ID: <7hwpwjaxxv.fsf@deeprootsystems.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Caesar Wang writes: > This driver is found on RK3288 SoCs. > > In order to meet high performance and low power requirements, a power > management unit is designed or saving power when RK3288 in low power > mode. > The RK3288 PMU is dedicated for managing the power of the whole chip. > > PMU can work in the Low Power Mode by setting bit[0] of PMU_PWRMODE_CON > register. After setting the register, PMU would enter the Low Power mode. > In the low power mode, pmu will auto power on/off the specified power > domain, send idle req to specified power domain, shut down/up pll and > so on. All of above are configurable by setting corresponding registers. > > Signed-off-by: jinkun.hong > Signed-off-by: Caesar Wang [...] > diff --git a/drivers/soc/rockchip/Kconfig b/drivers/soc/rockchip/Kconfig > new file mode 100644 > index 0000000..87a09c3 > --- /dev/null > +++ b/drivers/soc/rockchip/Kconfig > @@ -0,0 +1,13 @@ > +# > +# Rockchip Soc drivers > +# > +config PM_GENERIC_DOMAINS Why are you (re)defining this config option? This name is already used in kernel/pm/Kconfig. Kevin From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756074AbbHYU5V (ORCPT ); Tue, 25 Aug 2015 16:57:21 -0400 Received: from mail-pa0-f46.google.com ([209.85.220.46]:35081 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752311AbbHYU5T (ORCPT ); Tue, 25 Aug 2015 16:57:19 -0400 From: Kevin Hilman To: Caesar Wang Cc: heiko@sntech.de, ulf.hansson@linaro.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, dianders@chromium.org, tomasz.figa@gmail.com, dmitry.torokhov@gmail.com, linux-kernel@vger.kernel.org, galak@codeaurora.org, linux@arm.linux.org.uk, robh+dt@kernel.org, arnd@arndb.de, linus.walleij@linaro.org, ijc+devicetree@hellion.org.uk, devicetree@vger.kernel.org, "jinkun.hong" Subject: Re: [RESEND PATCH v16 3/4] soc: rockchip: power-domain: Add power domain driver References: <1440487486-6154-1-git-send-email-wxt@rock-chips.com> <1440487486-6154-4-git-send-email-wxt@rock-chips.com> Date: Tue, 25 Aug 2015 13:57:16 -0700 In-Reply-To: <1440487486-6154-4-git-send-email-wxt@rock-chips.com> (Caesar Wang's message of "Tue, 25 Aug 2015 15:24:45 +0800") Message-ID: <7hwpwjaxxv.fsf@deeprootsystems.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Caesar Wang writes: > This driver is found on RK3288 SoCs. > > In order to meet high performance and low power requirements, a power > management unit is designed or saving power when RK3288 in low power > mode. > The RK3288 PMU is dedicated for managing the power of the whole chip. > > PMU can work in the Low Power Mode by setting bit[0] of PMU_PWRMODE_CON > register. After setting the register, PMU would enter the Low Power mode. > In the low power mode, pmu will auto power on/off the specified power > domain, send idle req to specified power domain, shut down/up pll and > so on. All of above are configurable by setting corresponding registers. > > Signed-off-by: jinkun.hong > Signed-off-by: Caesar Wang [...] > diff --git a/drivers/soc/rockchip/Kconfig b/drivers/soc/rockchip/Kconfig > new file mode 100644 > index 0000000..87a09c3 > --- /dev/null > +++ b/drivers/soc/rockchip/Kconfig > @@ -0,0 +1,13 @@ > +# > +# Rockchip Soc drivers > +# > +config PM_GENERIC_DOMAINS Why are you (re)defining this config option? This name is already used in kernel/pm/Kconfig. Kevin