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- The SDIO signal voltage and max base clock frequency setting are missing in driver, which causes SDIO not working. - The patch adds SDIO signal voltage switch support, which is based on regulator-gpio of vqmmc-supply, and sets the max base clock frequency. - Fix the zero clock value in call to sdhci_setup_cfg() function. Change-Id: I79c8860c65b8db166f4f70db56ede4097f71f1fa Signed-off-by: Evan Wang <xswang@marvell.com> Reviewed-on: http://vgitil04.il.marvell.com:8080/53589 Reviewed-by: Hua Jing <jinghua@marvell.com> Tested-by: Hua Jing <jinghua@marvell.com> [pali: Amended fixup patch] Signed-off-by: Pali Rohár <pali@kernel.org> Reviewed-by: Konstantin Porotchkin <kostap@marvell.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Andre Heider <a.heider@gmail.com>
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