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CMA region is a must to avoid the multile memory mapping
for the DMAed memory and also benifit the large continious
phisical memory allocation.
The default value is depend on the target system design and
user cases definition. This is not suitable to put this into
the soc.dtsi, thus we put it into the board DTS.
customer can override the value by changing cma size in DTS file.
Again, customer need set the CMA size correctly according to the
target system. The incorrectly CMA size can cause Linux kernel fail
to boot up.CMA disabled or CMA size set to zero is also not allowed.
Signed-off-by: Jason Liu <jason.hui.liu@nxp.com>
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Clock of spdif tx is derived from clk_ipg and clk_osc, which is not the
integer multiple size of sample rate, can't generate accurate clock for
each sample rate. Use pll4 as the clk_spdif's parent, because the clk_spdif
is the one of source clock of tx, use a proper frequency for pll4, then it
can generate more accurate clock for sample rate (32k,48k,96k,192k).
Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
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add ldo-bypass support for i.mx6sx/i.mx6ul boards, remove deprecated wdog reset
way, such as 'fsl,wdog-reset = <1>', and implement it in wdog driver.
Signed-off-by: Robin Gong <b38343@freescale.com>
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device tree
cd-gpios polarity should be changed to GPIO_ACTIVE_LOW and wp-gpios
should be changed to GPIO_ACTIVE_HIGH.
Otherwise, the SD may not work properly due to wrong polarity inversion
specified in DT after switch to common parsing function mmc_of_parse().
Signed-off-by: Haibo Chen <haibo.chen@freescale.com>
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Add i.MX6UL board support dts file for boards:
* imx6ul-14X14-evk.dts
* imx6ul-14x14-ddr3-arm2.dts
Signed-off-by: Ye.Li <Ye.Li@freescale.com>
Signed-off-by: Bai Ping <b51503@freescale.com>
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