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From:   AKASHI Takahiro <takahiro.akashi@linaro.org>
To:     ulf.hansson@linaro.org, adrian.hunter@intel.com
Cc:     linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
        ben.chuang@genesyslogic.com.tw, greg.tu@genesyslogic.com.tw,
        AKASHI Takahiro <takahiro.akashi@linaro.org>
Subject: [RFC PATCH v3.1 08/27] mmc: sdhci: add a kernel configuration for enabling UHS-II support
Date:   Fri,  6 Nov 2020 11:27:07 +0900
Message-Id: <20201106022726.19831-9-takahiro.akashi@linaro.org>
In-Reply-To: <20201106022726.19831-1-takahiro.akashi@linaro.org>
References: <20201106022726.19831-1-takahiro.akashi@linaro.org>
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This kernel configuration, CONFIG_MMC_SDHCI_UHS2, will be used
in the following commits to indicate UHS-II specific code in sdhci
controllers.

Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
---
 drivers/mmc/host/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 31481c9fcc2e..5ca9ac03db40 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -89,6 +89,15 @@ config MMC_SDHCI_BIG_ENDIAN_32BIT_BYTE_SWAPPER
 
 	  This is the case for the Nintendo Wii SDHCI.
 
+config MMC_SDHCI_UHS2
+	tristate "UHS2 support on SDHCI controller"
+	depends on MMC_SDHCI
+	help
+	  This option is selected by SDHCI controller drivers that want to
+	  support UHS2-capable devices.
+
+	  If you have a controller with this feature, say Y or M here.
+
 config MMC_SDHCI_PCI
 	tristate "SDHCI support on PCI bus"
 	depends on MMC_SDHCI && PCI
-- 
2.28.0