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In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Hu Ziji <huziji@marvell.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Warning level 2 was used: -Wimplicit-fallthrough=2
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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match_string() returns the index of an array for a matching string,
which can be used intead of open coded variant.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Hu Ziji <huziji@marvell.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Support HS400 Enhanced Strobe feature in Xenon.
Enable Enhanced Strobe together with Data Strobe.
Disable Enhanced Strobe when eMMC is not in HS400 mode.
Signed-off-by: Hu Ziji <huziji@marvell.com>
Signed-off-by: Zhoujie Wu <zjwu@marvell.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Currently, the xenon_clean_phy() is only used for freeing phy_params.
The phy_params is allocated by devm_kzalloc(), there's no need to free
is explicitly.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Acked-by: Hu Ziji <huziji@marvell.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
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The default value of LOGIC_TIMING_ADJUST register in eMMC 5.0 PHY is
different from that in eMMC 5.1 PHY. Set the specific value for that
register in eMMC 5.0 PHY.
Signed-off-by: Hu Ziji <huziji@marvell.com>
Reported-by: Jisheng Zhang <jszhang@marvell.com>
Tested-by: Jisheng Zhang <jszhang@marvell.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.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>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Some SoCs have PHY PAD outside Xenon IP.
PHY PAD voltage should match signalling voltage in use.
Add generic SoC PHY PAD voltage control interface.
Implement Aramda-3700 SoC PHY PAD voltage control.
Signed-off-by: Hu Ziji <huziji@marvell.com>
Tested-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Marvell Xenon eMMC/SD/SDIO Host Controller contains PHY.
Multiple types of PHYs are supported.
Add support to multiple types of PHYs init and configuration.
Add register definitions of PHYs.
Xenon PHY cannot fit in kernel common PHY framework.
Xenon SDHC PHY register is a part of Xenon SDHC register set.
Besides, MMC initialization has to call several PHY functions to
complete timing setting.
Those PHY setting functions have to access SDHC registers and know
current MMC setting, such as bus width, clock frequency and
speed mode.
As a result, implement Xenon PHY in MMC host directory.
Signed-off-by: Hu Ziji <huziji@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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