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PLL2 SYSCLK1 on DM646x is connected to DDR2 PHY and cannot
be disabled. Mark it so to prevent unused clock disable
infrastructure from disabling it.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20180525181150.17873-5-david@lechnology.com
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The clkdev lookups for the ASP0/1 devices on TI DM355 were declared, but
not assigned to any LPSC. This assigns the clkdev lookups to the
correct LPSCs.
Reported-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20180525181150.17873-4-david@lechnology.com
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This fixes the parent clock names of the SYSCLKn clocks for the DM355
SoC in the TI DaVinici PLL clock driver.
It appears that this name just didn't get updated to the correct name
like the other SoCs during the driver's development.
Reported-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David Lechner <david@lechnology.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20180525181150.17873-3-david@lechnology.com
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This removes pll2_sysclk2 from the TI DM355 clock driver. This SoC
doesn't have such a clock. Also, SYSCLK_ALWAYS_ENABLED is transferred
to pll2_sysclk1 since it drives the DDR and doesn't have another
mechanism to keep it on.
Reported-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David Lechner <david@lechnology.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20180525181150.17873-2-david@lechnology.com
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USB0 48MHz PHY clock registration fails on DA830 because the
da8xx-cfgchip clock driver cannot get a reference to USB0
LPSC clock.
The USB0 LPSC needs to be enabled during PHY clock enable. Setup
the clock lookup correctly to fix this.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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In order to be able to use the reset framework in legacy boot mode as
well, add the reset lookup table to the psc driver for da850 variant.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds a new driver for the USB PHY clocks in the CFGCHIP2 syscon
register on TI DA8XX-type SoCs.
The USB0 (USB 2.0) PHY clock is an interesting case because it calls
clk_enable() in a reentrant way. The USB 2.0 PSC only has to be enabled
temporarily while we are locking the PLL, which takes place during the
clk_enable() callback.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds a new driver for the gate and multiplexer clocks in the
CFGCHIPn syscon registers on TI DA8XX-type SoCs.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PSC clocks on TI
DM646x based systems.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PSC clocks on TI
DM644x based systems.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PSC clocks on TI
DM365 based systems.
Signed-off-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PSC clocks on TI
DM355 based systems.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PSC clocks on TI DA850/
OMAP-L138/AM18XX SoCs.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PSC clocks on TI DA830/
OMAP-L137/AM17XX SoCs.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds a new driver for mach-davinci PSC clocks. This is porting the
code from arch/arm/mach-davinci/psc.c to the common clock framework and
is converting it to use regmap to simplify the code. Additionally, it
adds device tree support for these clocks.
Note: although there are similar clocks for TI Keystone we are not able
to share the code for a few reasons. The keystone clocks are device tree
only and use legacy one-node-per-clock bindings. Also the keystone
driver makes the assumption that there is only one PSC per SoC and uses
global variables, but here we have two controllers per SoC.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PLL clocks on TI
DM646x based systems.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PLL clocks on TI
DM644x based systems.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PLL clocks on TI
DM365 based systems.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PLL clocks on TI
DM355 based systems.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PLL clocks on TI DA850/
OMAP-L138/AM18XX SoCs.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds platform-specific declarations for the PLL clocks on TI DA830/
OMAP-L137/AM17XX SoCs.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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This adds a new driver for mach-davinci PLL clocks. This is porting the
code from arch/arm/mach-davinci/clock.c to the common clock framework.
Additionally, it adds device tree support for these clocks.
The ifeq ($(CONFIG_COMMON_CLK), y) in the Makefile is needed to prevent
compile errors until the clock code in arch/arm/mach-davinci is removed.
Note: although there are similar clocks for TI Keystone we are not able
to share the code for a few reasons. The keystone clocks are device tree
only and use legacy one-node-per-clock bindings. Also the register
layouts are a bit different, which would add even more if/else mess
to the keystone clocks. And the keystone PLL driver doesn't support
setting clock rates.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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