[U-Boot] [PATCH 2/7] mmc: uniphier-sd: Properly handle pin voltage configuration
Marek Vasut
marek.vasut at gmail.com
Tue Jan 16 17:13:24 UTC 2018
On 01/12/2018 10:15 AM, Jaehoon Chung wrote:
> On 01/07/2018 04:29 AM, Marek Vasut wrote:
>> Factor out the regulator handling into set_ios and add support for
>> selecting pin configuration based on the voltage to support UHS modes.
>>
>> Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com>
>> Cc: Jaehoon Chung <jh80.chung at samsung.com>
>> Cc: Masahiro Yamada <yamada.masahiro at socionext.com>
>> ---
>> drivers/mmc/uniphier-sd.c | 33 ++++++++++++++++++++++++---------
>> 1 file changed, 24 insertions(+), 9 deletions(-)
>>
>> diff --git a/drivers/mmc/uniphier-sd.c b/drivers/mmc/uniphier-sd.c
>> index 552e37d852..ebcc12a8ae 100644
>> --- a/drivers/mmc/uniphier-sd.c
>> +++ b/drivers/mmc/uniphier-sd.c
>> @@ -10,6 +10,7 @@
>> #include <fdtdec.h>
>> #include <mmc.h>
>> #include <dm.h>
>> +#include <dm/pinctrl.h>
>> #include <linux/compat.h>
>> #include <linux/dma-direction.h>
>> #include <linux/io.h>
>> @@ -134,6 +135,9 @@ struct uniphier_sd_priv {
>> #define UNIPHIER_SD_CAP_DMA_INTERNAL BIT(1) /* have internal DMA engine */
>> #define UNIPHIER_SD_CAP_DIV1024 BIT(2) /* divisor 1024 is available */
>> #define UNIPHIER_SD_CAP_64BIT BIT(3) /* Controller is 64bit */
>> +#ifdef CONFIG_DM_REGULATOR
>> + struct udevice *vqmmc_dev;
>> +#endif
>> };
>>
>> static u64 uniphier_sd_readq(struct uniphier_sd_priv *priv, unsigned int reg)
>> @@ -676,6 +680,24 @@ static void uniphier_sd_set_clk_rate(struct uniphier_sd_priv *priv,
>> udelay(1000);
>> }
>>
>> +static void uniphier_sd_set_pins(struct udevice *dev)
>> +{
>> + struct uniphier_sd_priv *priv = dev_get_priv(dev);
>> + struct mmc *mmc = mmc_get_mmc_dev(dev);
>> +
>> + if (priv->vqmmc_dev) {
>
> You added #ifdef CONFIG_DM_REGULATOR in struct uniphier_sd_priv.
> If CONFIG_DM_REGULATOR is disabled, it can't refer the vqmmc_dev.?
Oh, thanks. V2 is coming.
--
Best regards,
Marek Vasut
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