Commit 47fad46b authored by Sowjanya Komatineni's avatar Sowjanya Komatineni Committed by Ulf Hansson
Browse files

mmc: sdhci-tegra: Add comment for PADCALIB and PAD_CONTROL NVQUIRKS 



This patch adds comments about NVQUIRKS HAS_PADCALIB and NEEDS_PAD_CONTROL.

Signed-off-by: default avatarSowjanya Komatineni <skomatineni@nvidia.com>
Link: https://lore.kernel.org/r/1591326240-28928-1-git-send-email-skomatineni@nvidia.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 557ed5f0

drivers/mmc/host/sdhci-tegra.c

+9 −0
Original line number Diff line number Diff line
@@ -96,7 +96,16 @@ 
#define NVQUIRK_ENABLE_SDR50				BIT(3)

#define NVQUIRK_ENABLE_SDR104				BIT(4)

#define NVQUIRK_ENABLE_DDR50				BIT(5)

/*

 * HAS_PADCALIB NVQUIRK is for SoC's supporting auto calibration of pads

 * drive strength.

 */

#define NVQUIRK_HAS_PADCALIB				BIT(6)

/*

 * NEEDS_PAD_CONTROL NVQUIRK is for SoC's having separate 3V3 and 1V8 pads.

 * 3V3/1V8 pad selection happens through pinctrl state selection depending

 * on the signaling mode.

 */

#define NVQUIRK_NEEDS_PAD_CONTROL			BIT(7)

#define NVQUIRK_DIS_CARD_CLK_CONFIG_TAP			BIT(8)

#define NVQUIRK_CQHCI_DCMD_R1B_CMD_TIMING		BIT(9)