From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Hogan Subject: [PATCH 02/15] clk: divider: expose new clk_register_divider_mask Date: Wed, 19 Nov 2014 23:15:30 +0000 Message-ID: <1416438943-11429-3-git-send-email-james.hogan@imgtec.com> References: <1416438943-11429-1-git-send-email-james.hogan@imgtec.com> Return-path: In-Reply-To: <1416438943-11429-1-git-send-email-james.hogan@imgtec.com> Sender: linux-kernel-owner@vger.kernel.org To: Mike Turquette , linux-metag@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: James Hogan List-Id: devicetree@vger.kernel.org Expose a new function clk_register_divider_mask to set up a mask based divider. This will be used by the upcoming TZ1090 divider driver whose DT binding takes a mask rather than a shift and width. Signed-off-by: James Hogan Cc: Mike Turquette --- drivers/clk/clk-divider.c | 25 +++++++++++++++++++++++++ include/linux/clk-provider.h | 5 +++++ 2 files changed, 30 insertions(+) diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index a432cf8..23ef3df 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -462,3 +462,28 @@ struct clk *clk_register_divider_table(struct device *dev, const char *name, ((1 << width) - 1), clk_divider_flags, table, lock); } EXPORT_SYMBOL_GPL(clk_register_divider_table); + +/** + * clk_register_divider_mask - register a mask based divider clock with + * the clock framework + * @dev: device registering this clock + * @name: name of this clock + * @parent_name: name of clock's parent + * @flags: framework-specific flags + * @reg: register address to adjust divider + * @mask: mask of bitfield + * @width: width of the bitfield + * @clk_divider_flags: divider-specific flags for this clock + * @table: array of divider/value pairs ending with a div set to 0 + * @lock: shared register lock for this clock + */ +struct clk *clk_register_divider_mask(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 shift, u32 mask, + u8 clk_divider_flags, const struct clk_div_table *table, + spinlock_t *lock) +{ + return _register_divider(dev, name, parent_name, flags, reg, shift, + mask, clk_divider_flags, table, lock); +} +EXPORT_SYMBOL_GPL(clk_register_divider_mask); diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 2c00215..85048fb 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -361,6 +361,11 @@ struct clk *clk_register_divider_table(struct device *dev, const char *name, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, const struct clk_div_table *table, spinlock_t *lock); +struct clk *clk_register_divider_mask(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 shift, u32 mask, + u8 clk_divider_flags, const struct clk_div_table *table, + spinlock_t *lock); /** * struct clk_mux - multiplexer clock -- 2.0.4