- 11 May, 2012 3 commits
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git://git.pengutronix.de/git/imx/linux-2.6Arnd Bergmann authored
Sascha Hauer <s.hauer@pengutronix.de> writes: ARM i.MX common clock framework support Same as with Shawns series this one depends on: git://git.linaro.org/people/mturquette/linux.git clk-next http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-arm.git clkdev * tag 'imx-common-clk' of git://git.pengutronix.de/git/imx/linux-2.6: (34 commits) ARM i.MX: remove now unused clock files ARM: i.MX6: implement clocks using common clock framework ARM i.MX35: implement clocks using common clock framework ARM i.MX5: implement clocks using common clock framework ARM i.MX31: implement clocks using common clock framework ARM i.MX27: implement clocks using common clock framework ARM i.MX21: implement clocks using common clock framework ARM i.MX1: implement clocks using common clock framework ARM i.MX25: implement clocks using common clock framework ARM: imx: add common clock support for clk busy ARM: imx: add common clock support for pfd ARM i.MX: Add common clock support for 2bit gate ARM: imx: add common clock support for pllv3 ARM i.MX: Add common clock support for pllv2 ARM i.MX: Add common clock support for pllv1 ARM i.MX: prepare for common clock framework ARM i.MX3: Make ccm base address a variable ARM i.MX timer: request correct clock ARM i.MX5: prepare gpc_dvfs_clk rtc: imx dryice: Add missing clk_prepare ... Signed-off-by:
Arnd Bergmann <arnd@arndb.de>
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Arnd Bergmann authored
* depends/rmk/clkdev: CLKDEV: provide helpers for common clock framework ARM: 7392/1: CLKDEV: Optimize clk_find() ARM: 7376/1: clkdev: Implement managed clk_get()
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Arnd Bergmann authored
Mike Turquette <mturquette@ti.com> has asked me to take the clock changes through the arm-soc tree while there are still so many inderdependencies, so this is the entire branch. * depends/clk/clk-next: (30 commits) clk: add a fixed factor clock clk: mux: assign init data clk: remove COMMON_CLK_DISABLE_UNUSED clk: prevent spurious parent rate propagation MAINTAINERS: add entry for common clk framework clk: clk_set_rate() must fail if CLK_SET_RATE_GATE is set and clk is enabled clk: Use a separate struct for holding init data. clk: constify parent name arrays in macros clk: remove trailing whitespace from clk.h clk: select CLKDEV_LOOKUP for COMMON_CLK clk: Don't set clk->new_rate twice clk: clk-private: Add DEFINE_CLK macro clk: clk-gate: Create clk_gate_endisable() clk: Fix typo in comment clk: propagate round_rate for CLK_SET_RATE_PARENT case clk: pass parent_rate into .set_rate clk: always pass parent_rate into .round_rate clk: basic: improve parent_names & return errors clk: core: copy parent_names & return error codes clk: Constify parent name arrays ... Signed-off-by:
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- 09 May, 2012 4 commits
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Sascha Hauer authored
Signed-off-by:Sascha Hauer <s.hauer@pengutronix.de>
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Shawn Guo authored
Signed-off-by:
Shawn Guo <shawn.guo@linaro.org> Signed-off-by:
Philipp Zabel <p.zabel@pengutronix.de>
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Sascha Hauer authored
This patch also adds the SPDIF baud clock mux and dividers. Signed-off-by:
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Sascha Hauer authored
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- 08 May, 2012 4 commits
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Sascha Hauer authored
Having fixed factors/dividers in hardware is a common pattern, so add a basic clock type doing this. It basically describes a fixed factor clock using a nominator and a denominator. Signed-off-by:
Viresh Kumar <viresh.kumar@st.com> Tested-by:
Mike Turquette <mturquette@linaro.org>
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Mike Turquette authored
The original conversion to struct clk_hw_init failed to add the pointer assignment in clk_register_mux. Signed-off-by:
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Mike Turquette authored
Exposing this option generates confusion and incorrect behavior for single-image builds across platforms. Enable this behavior permanently. Signed-off-by:
Saravana Kannan <skannan@codeaurora.org>
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Mike Turquette authored
Patch 'clk: always pass parent_rate into .round_rate' made a subtle change to the semantics of .round_rate. It is now expected for the parent's rate to always be passed in, simplifying the implemenation of various .round_rate callback definitions. However the patch also introduced a bug in clk_calc_new_rates whereby a clock without the CLK_SET_RATE_PARENT flag set could still propagate a rate change up to a parent clock if the the .round_rate callback modified the &best_parent_rate value in any way. This patch fixes the issue at the framework level (in clk_calc_new_rates) by specifically handling the case where the CLK_SET_RATE_PARENT flag is not set. Signed-off-by:
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- 07 May, 2012 1 commit
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Mike Turquette authored
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- 02 May, 2012 15 commits
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Sascha Hauer authored
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Sascha Hauer authored
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Sascha Hauer authored
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Sascha Hauer authored
This also changes the DMA clkdev lookup to use the imx-dma driver name and "ahb" as connection ID to request the hclk dma clock. Signed-off-by:
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Sascha Hauer authored
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Shawn Guo authored
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Shawn Guo authored
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Sascha Hauer authored
This gate consists of two bits: 0b00: clk disabled 0b01: clk enabled in run mode and disabled in sleep mode 0b11: clk enabled Currently only disabled and enabled are supported. As it's unlikely that we find something like this in another SoC create a i.MX specific clk helper for this. Signed-off-by: -
Shawn Guo authored
This PLL is found on i.MX6 SoCs Signed-off-by: -
Sascha Hauer authored
This PLL is found on i.MX51 and i.MX53 Signed-off-by: -
Sascha Hauer authored
The pllv1 is found on i.MX1, i.M25, i.MX27, i.MX31 and i.MX35. Currently only reading the rate is supported. Signed-off-by: -
Russell King authored
The common clock framework allocates clocks dynamically. Provide a set of helpers to streamline the clkdev registration of the clock lookups to avoid repetitive code sequences. Reviewed-by:
Russell King <rmk+kernel@arm.linux.org.uk>
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Viresh Kumar authored
This is well documented but isn't implemented. clk_set_rate() must check if flags have CLK_SET_RATE_GATE bit set and is enabled too. Signed-off-by:
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Saravana Kannan authored
Create a struct clk_init_data to hold all data that needs to be passed from the platfrom specific driver to the common clock framework during clock registration. Add a pointer to this struct inside clk_hw. This has several advantages: * Completely hides struct clk from many clock platform drivers and static clock initialization code that don't care for static initialization of the struct clks. * For platforms that want to do complete static initialization, it removed the need to directly mess with the struct clk's fields while still allowing to statically allocate struct clk. This keeps the code more future proof even if they include clk-private.h. * Simplifies the generic clk_register() function and allows adding optional fields in the future without modifying the function signature. * Simplifies the static initialization of clocks on all platforms by removing the need for forward delcarations or convoluted macros. Signed-off-by:
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Rajendra Nayak authored
parent name array is now expected to be const char *, make the relevent changes in the clk macros which define default clock types. Signed-off-by:
Rajendra Nayak <rnayak@ti.com> Signed-off-by:
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- 25 Apr, 2012 13 commits
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Sascha Hauer authored
- Add necessary #ifdefs for CONFIG_COMMON_CLOCK - Add a global spinlock to protect the CCM registers Signed-off-by: -
Sascha Hauer authored
Instead of having a cpu_is_* in each ccm register access it is more efficient to make it a variable. Signed-off-by: -
Sascha Hauer authored
We used to pass the timer clock directly to mxc_timer_init. We should instead request the correct clock. This is an intermediate step: For now we request the clock in the timer code when NULL is passed as clock. Also, the gpt on some i.MX have an additional ipg clock which can be gated. Request and enable this. Signed-off-by: -
Sascha Hauer authored
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Sascha Hauer authored
prepare the clock before enabling it. Signed-off-by: -
Sascha Hauer authored
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Sascha Hauer authored
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Sascha Hauer authored
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Sascha Hauer authored
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Sascha Hauer authored
Every i.MX ehci controller has a ahb and a ipg clock, so request it on every SoC. Do not make a special case for the usb phy clock of the i.MX51. Just request it but make it optional. Signed-off-by: -
Sascha Hauer authored
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Sascha Hauer authored
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Sascha Hauer authored
the current i.MX clock support groups together unrelated clocks to a single clock which is then used by the driver. This can't be accomplished with the generic clock framework so we instead request the individual clocks in the driver. For i.MX there are generally three different clocks: ipg: bus clock (needed to access registers) ahb: dma relevant clock, sometimes referred to as hclk in the datasheet per: bit clock, pixel clock This patch changes the driver to request the individual clocks. Currently all clk_get will get the same clock until the SoCs are converted to the generic clock framework Signed-off-by:
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