[U-Boot] [PATCH] mmc: uniphier-sd: Add vqmmc regulator support
Jaehoon Chung
jh80.chung at samsung.com
Fri Sep 29 02:30:43 UTC 2017
On 09/26/2017 01:47 AM, Marek Vasut wrote:
> 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 ...
Applied to u-boot-mmc. Thanks!
Best Regards,
Jaehoon Chung
>
>> ---
>> 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");
>>
>
>
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