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There is whitespace in VF610_CLK_OCOTP line. Fix it.
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add the ipg (bus) clock for the TCON modules (Timing Controller). This
module is required by the new DCU DRM driver, since the display signals
pass through TCON.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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To use STOP mode without putting DDR3 into self-refresh mode, we
need to keep the DDR clock enabled. Use the new gate configuration
with a value of 2 to make sure that the clock is enabled in RUN,
WAIT and STOP mode.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add clock support for Vybrid On-Chip One Time Programmable
(OCOTP) controller.
While the OCOTP block does not require explicit clock gating,
for programming the OCOTP timing register the clock rate of
ipg clock is required for timing calculations related to fuse
and shadow register read sequence. We explicitly specify the
ipg clock for OCOTP as a result.
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Enabled DAP (debug access port) by default. This enables the hw-
breakpoint framework to make use of the breakpoints and watchpoints
supported by hardware.
[ 0.215805] hw-breakpoint: found 2 (+1 reserved) breakpoint and 1 watchpoint registers.
[ 0.224624] hw-breakpoint: maximum watchpoint size is 4 bytes.
Without this clock, the hw-breakpoint driver claims an undefined
instruction during initialization:
[ 0.227380] hw-breakpoint: Debug register access (0xee003e17) caused undefined instruction on CPU 0
[ 0.227519] hw-breakpoint: CPU 0 failed to disable vector catch
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Add support for clock gating of the SNVS peripheral.
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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So far, the required PLL's (PLL1/PLL2/PLL5) have been initialized
by boot loader and the kernel code defined fixed rates according
to those default configurations. Beginning with the USB PLL7 the
code started to initialize the PLL's itself (using imx_clk_pllv3).
However, since commit dc4805c2e78ba5a22ea1632f3e3e4ee601a1743b
(ARM: imx: remove ENABLE and BYPASS bits from clk-pllv3 driver)
imx_clk_pllv3 no longer takes care of the ENABLE and BYPASS bits,
hence the USB PLL were not configured correctly anymore.
This patch not only fixes those USB PLL's, but also makes use of
the imx_clk_pllv3 for all PLL's and alignes the code with the PLL
support of the i.MX6 series.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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This commit adds PLL7 which is required for USBPHY1. It also adds
the USB PHY and USB Controller clocks and the gates to enable them.
Acked-by: Jingchang Lu <jingchang.lu@freescale.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
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Extend the clock control for FlexCAN with the second gate which
enable the clocks in the Clock Divider (CCM_CSCDR2) register too.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
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Signed-off-by: Jingchang Lu <b35083@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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The fec/enet driver calculates MDC rate with the formula below.
ref_freq / ((MII_SPEED + 1) x 2)
The ref_freq here is the fec internal module clock, which is missing
from clk-vf610 clock driver right now. And clk-vf610 driver mistakenly
supplies RMII clock (50 MHz) as the source to fec. This results in the
situation that fec driver gets ref_freq as 50 MHz, while physically it
runs at 66 MHz (fec module clock physically sources from ipg which runs
at 66 MHz). That's why software expects MDC runs at 2.5 MHz, while the
measurement tells it runs at 3.3 MHz. And this causes the PHY KSZ8041
keeps swithing between Full and Half mode as below.
libphy: 400d0000.etherne:00 - Link is Up - 100/Full
libphy: 400d0000.etherne:00 - Link is Up - 100/Half
libphy: 400d0000.etherne:00 - Link is Up - 100/Full
libphy: 400d0000.etherne:00 - Link is Up - 100/Half
libphy: 400d0000.etherne:00 - Link is Up - 100/Full
libphy: 400d0000.etherne:00 - Link is Up - 100/Half
Add the missing module clock for ENET0 and ENET1, and correct the clock
supplying in device tree to fix above issue.
Thanks to Alison Wang <b18965@freescale.com> for debugging the issue.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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Add clock support for Vybrid VF610. It uses dtc macro support to
define all clock IDs in vf610-clock.h to keep clock IDs coherence
between kernel and DT.
Signed-off-by: Jingchang Lu <b35083@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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