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Author SHA1 Message Date
Gregory CLEMENT bb16ea1742 mmc: sdhci-xenon: Fix clock resource by adding an optional bus clock 
On Armada 7K/8K we need to explicitly enable the bus clock. The bus clock
is optional because not all the SoCs need them but at least for Armada
7K/8K it is actually mandatory.

The binding documentation is updating accordingly.

Without this patch the kernel hand during boot if the mvpp2.2 network
driver was not present in the kernel. Indeed the clock needed by the
xenon controller was set by the network driver.

Fixes: 3a3748dba8 ("mmc: sdhci-xenon: Add Marvell Xenon SDHC core
functionality)"
CC: Stable <stable@vger.kernel.org>
Tested-by: Zhoujie Wu <zjwu@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2017-10-04 10:50:36 +02:00
Hu Ziji 66c659cf5c dt: bindings: Add bindings for Marvell Xenon SD Host Controller 
Marvell Xenon SDHC can support eMMC/SD/SDIO.
Add Xenon-specific properties.
Also add properties for Xenon PHY setting.

Signed-off-by: Hu Ziji <huziji@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2017-04-24 21:42:15 +02:00