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