diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pinctrl/rockchip/pinctrl_rk3368.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3368.c b/drivers/pinctrl/rockchip/pinctrl_rk3368.c index 22cd593592..cf2f83409b 100644 --- a/drivers/pinctrl/rockchip/pinctrl_rk3368.c +++ b/drivers/pinctrl/rockchip/pinctrl_rk3368.c @@ -79,6 +79,46 @@ static void pinctrl_rk3368_gmac_config(struct rk3368_grf *grf, int gmac_id) } #endif +static void pinctrl_rk3368_sdmmc_config(struct rk3368_grf *grf, int mmc_id) +{ + switch (mmc_id) { + case PERIPH_ID_EMMC: + debug("mmc id = %d setting registers!\n", mmc_id); + rk_clrsetreg(&grf->gpio1c_iomux, + GPIO1C2_MASK | GPIO1C3_MASK | + GPIO1C4_MASK | GPIO1C5_MASK | + GPIO1C6_MASK | GPIO1C7_MASK, + GPIO1C2_EMMC_DATA0 | + GPIO1C3_EMMC_DATA1 | + GPIO1C4_EMMC_DATA2 | + GPIO1C5_EMMC_DATA3 | + GPIO1C6_EMMC_DATA4 | + GPIO1C7_EMMC_DATA5); + rk_clrsetreg(&grf->gpio1d_iomux, + GPIO1D0_MASK | GPIO1D1_MASK | + GPIO1D2_MASK | GPIO1D3_MASK, + GPIO1D0_EMMC_DATA6 | + GPIO1D1_EMMC_DATA7 | + GPIO1D2_EMMC_CMD | + GPIO1D3_EMMC_PWREN); + rk_clrsetreg(&grf->gpio2a_iomux, + GPIO2A3_MASK | GPIO2A4_MASK, + GPIO2A3_EMMC_RSTNOUT | + GPIO2A4_EMMC_CLKOUT); + break; + case PERIPH_ID_SDCARD: + /* + * We assume that the BROM has already set this up + * correctly for us and that there's nothing to do + * here. + */ + break; + default: + debug("mmc id = %d iomux error!\n", mmc_id); + break; + } +} + static int rk3368_pinctrl_request(struct udevice *dev, int func, int flags) { struct rk3368_pinctrl_priv *priv = dev_get_priv(dev); @@ -92,6 +132,10 @@ static int rk3368_pinctrl_request(struct udevice *dev, int func, int flags) case PERIPH_ID_UART4: pinctrl_rk3368_uart_config(priv, func); break; + case PERIPH_ID_EMMC: + case PERIPH_ID_SDCARD: + pinctrl_rk3368_sdmmc_config(priv->grf, func); + break; #if CONFIG_IS_ENABLED(GMAC_ROCKCHIP) case PERIPH_ID_GMAC: pinctrl_rk3368_gmac_config(priv->grf, func); @@ -126,6 +170,10 @@ static int rk3368_pinctrl_get_periph_id(struct udevice *dev, return PERIPH_ID_UART1; case 55: return PERIPH_ID_UART0; + case 35: + return PERIPH_ID_EMMC; + case 32: + return PERIPH_ID_SDCARD; #if CONFIG_IS_ENABLED(GMAC_ROCKCHIP) case 27: return PERIPH_ID_GMAC; |