[U-Boot] [PATCH] mmc: uniphier-sd: Add vqmmc regulator support

[Marek Vasut]

On 09/15/2017 09:10 PM, Marek Vasut wrote:
> Add initial support for setting the vqmmc regulator. Since we do not
> support 1V8 modes, set the regulator to 3V3 and enable it.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
> Cc: Masahiro Yamada <yamada.masahiro at socionext.com>
> Cc: Jaehoon Chung <jh80.chung at samsung.com>

Anything ?! I don't see this in the PR ...

> ---
>  drivers/mmc/uniphier-sd.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/mmc/uniphier-sd.c b/drivers/mmc/uniphier-sd.c
> index 3c52161067..0d1203cb76 100644
> --- a/drivers/mmc/uniphier-sd.c
> +++ b/drivers/mmc/uniphier-sd.c
> @@ -14,6 +14,7 @@
>  #include <linux/dma-direction.h>
>  #include <linux/io.h>
>  #include <linux/sizes.h>
> +#include <power/regulator.h>
>  #include <asm/unaligned.h>
>  
>  DECLARE_GLOBAL_DATA_PTR;
> @@ -756,6 +757,9 @@ static int uniphier_sd_probe(struct udevice *dev)
>  	fdt_addr_t base;
>  	struct clk clk;
>  	int ret;
> +#ifdef CONFIG_DM_REGULATOR
> +	struct udevice *vqmmc_dev;
> +#endif
>  
>  	base = devfdt_get_addr(dev);
>  	if (base == FDT_ADDR_T_NONE)
> @@ -765,6 +769,15 @@ static int uniphier_sd_probe(struct udevice *dev)
>  	if (!priv->regbase)
>  		return -ENOMEM;
>  
> +#ifdef CONFIG_DM_REGULATOR
> +	ret = device_get_supply_regulator(dev, "vqmmc-supply", &vqmmc_dev);
> +	if (!ret) {
> +		/* Set the regulator to 3.3V until we support 1.8V modes */
> +		regulator_set_value(vqmmc_dev, 3300000);
> +		regulator_set_enable(vqmmc_dev, true);
> +	}
> +#endif
> +
>  	ret = clk_get_by_index(dev, 0, &clk);
>  	if (ret < 0) {
>  		dev_err(dev, "failed to get host clock\n");
> 


-- 
Best regards,
Marek Vasut