diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 73748c5658c6ac8da8c08701020db1ee3c310b67..74a0017842687c966c5fc918551b12f2658550d0 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -92,6 +92,7 @@ struct fsl_esdhc { * @dev: pointer for the device * @non_removable: 0: removable; 1: non-removable * @wp_enable: 1: enable checking wp; 0: no check + * @vs18_enable: 1: use 1.8V voltage; 0: use 3.3V * @cd_gpio: gpio for card detection * @wp_gpio: gpio for write protection */ @@ -104,6 +105,7 @@ struct fsl_esdhc_priv { struct udevice *dev; int non_removable; int wp_enable; + int vs18_enable; #ifdef CONFIG_DM_GPIO struct gpio_desc cd_gpio; struct gpio_desc wp_gpio; @@ -674,6 +676,9 @@ static int esdhc_init(struct mmc *mmc) esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT); #endif + if (priv->vs18_enable) + esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT); + return 0; } @@ -746,6 +751,9 @@ static int fsl_esdhc_init(struct fsl_esdhc_priv *priv) VENDORSPEC_HCKEN | VENDORSPEC_IPGEN | VENDORSPEC_CKEN); #endif + if (priv->vs18_enable) + esdhc_setbits32(®s->vendorspec, ESDHC_VENDORSPEC_VSELECT); + writel(SDHCI_IRQ_EN_BITS, ®s->irqstaten); memset(&priv->cfg, 0, sizeof(priv->cfg)); @@ -831,6 +839,7 @@ static int fsl_esdhc_cfg_to_priv(struct fsl_esdhc_cfg *cfg, priv->bus_width = cfg->max_bus_width; priv->sdhc_clk = cfg->sdhc_clk; priv->wp_enable = cfg->wp_enable; + priv->vs18_enable = cfg->vs18_enable; return 0; }; diff --git a/include/fsl_esdhc.h b/include/fsl_esdhc.h index 5550e00eab0e93139f17e34ae1ce0a2620163a5f..02b362d5e36e2d74a06960d4005f39f67f32adf0 100644 --- a/include/fsl_esdhc.h +++ b/include/fsl_esdhc.h @@ -178,6 +178,7 @@ struct fsl_esdhc_cfg { u32 sdhc_clk; u8 max_bus_width; int wp_enable; + int vs18_enable; /* Use 1.8V if set to 1 */ struct mmc_config cfg; };