Re: [PATCH] sdhci: tegra: Add comment for PADCALIB and PAD_CONTROL NVQUIRKS

From: Ulf Hansson
Date: Tue Jun 16 2020 - 07:33:22 EST


On Fri, 5 Jun 2020 at 05:04, Sowjanya Komatineni <skomatineni@xxxxxxxxxx> wrote:
>
> This patch adds comments about NVQUIRKS HAS_PADCALIB and NEEDS_PAD_CONTROL.
>
> Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>

Applied for next, thanks!

Kind regards
Uffe


> ---
> drivers/mmc/host/sdhci-tegra.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
> index 3a372ab..0a3f9d0 100644
> --- a/drivers/mmc/host/sdhci-tegra.c
> +++ b/drivers/mmc/host/sdhci-tegra.c
> @@ -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)
> --
> 2.7.4
>