From mboxrd@z Thu Jan 1 00:00:00 1970 From: robh@kernel.org (Rob Herring) Date: Wed, 1 Feb 2017 07:24:56 -0600 Subject: [PATCH v2 6/8] mfd: exynos-lpass: Add support for clocks In-Reply-To: <1485419634-28331-7-git-send-email-m.szyprowski@samsung.com> References: <1485419634-28331-1-git-send-email-m.szyprowski@samsung.com> <1485419634-28331-7-git-send-email-m.szyprowski@samsung.com> Message-ID: <20170201132456.3dcprep7hwbii46n@rob-hp-laptop> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Jan 26, 2017 at 09:33:52AM +0100, Marek Szyprowski wrote: > Exynos LPASS requires some clocks to be enabled to make any access to its > registers. This patch adds code for handling such clocks. For current set > of registers it is enough to keep sfr0_ctrl clock enabled. Till now it > worked only because those clocks were enabled by bootloader and driver > probe() happened before they were disabled by clock core because of lack > of users. Handling those clocks is also needed to make it possible to > enable support for audio power domain. > > This patch requires adding sfr0_ctrl clock to device tree. > > Signed-off-by: Marek Szyprowski > --- > .../devicetree/bindings/mfd/samsung,exynos5433-lpass.txt | 6 ++++++ Acked-by: Rob Herring > drivers/mfd/exynos-lpass.c | 10 ++++++++++ > 2 files changed, 16 insertions(+)