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[98.195.139.126]) by smtp.gmail.com with ESMTPSA id t7sm7896874ooq.0.2020.09.15.12.51.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Sep 2020 12:51:56 -0700 (PDT) From: Alexandru Gagniuc To: uboot-stm32@st-md-mailman.stormreply.com, peng.fan@nxp.com Cc: Alexandru Gagniuc , Patrick Delaunay , Patrice Chotard , u-boot@lists.denx.de Subject: [PATCH 1/2] mmc: mmc_of_parse: Enable 52 MHz support with "cap-mmc-highspeed" Date: Tue, 15 Sep 2020 14:51:46 -0500 Message-Id: <20200915195147.2659607-1-mr.nuke.me@gmail.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20200909215402.366561-1-mr.nuke.me@gmail.com> References: <20200909215402.366561-1-mr.nuke.me@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 15 Sep 2020 21:55:23 +0200 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean "cap-mmc-highspeed" enables support for 26 MHz MMC, but there is no additional flag to enable 52 MHz MMC. In Linux. "cap-mmc-highspeed" is used for MMC HS at both 26MHz and 52MHz. Use the same approach and enable MMC_CAP(MMC_HS_52) host capability when "cap-mmc-highspeed" is found in the devicetree. In the event an MMC card doesn't support 52 MHz, it will be clocked at a speed based on its EXT CSD, even on 52 MHz host controllers Signed-off-by: Alexandru Gagniuc Reviewed-by: Patrick Delaunay Tested-by: Patrick Delaunay Reviewed-by: Patrice Chotard --- drivers/mmc/mmc-uclass.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c index 90690c8d1e..6d2310eff3 100644 --- a/drivers/mmc/mmc-uclass.c +++ b/drivers/mmc/mmc-uclass.c @@ -198,7 +198,7 @@ int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg) if (dev_read_bool(dev, "cap-sd-highspeed")) cfg->host_caps |= MMC_CAP(SD_HS); if (dev_read_bool(dev, "cap-mmc-highspeed")) - cfg->host_caps |= MMC_CAP(MMC_HS); + cfg->host_caps |= MMC_CAP(MMC_HS) | MMC_CAP(MMC_HS_52); if (dev_read_bool(dev, "sd-uhs-sdr12")) cfg->host_caps |= MMC_CAP(UHS_SDR12); if (dev_read_bool(dev, "sd-uhs-sdr25"))