From mboxrd@z Thu Jan 1 00:00:00 1970 From: Urja Rannikko Date: Mon, 13 May 2019 13:25:27 +0000 Subject: [U-Boot] [PATCH v3] dw_mmc: turn on the IO supply In-Reply-To: <6364330.q6OFNDAJqT@phil> References: <6364330.q6OFNDAJqT@phil> Message-ID: <20190513132527.14933-1-urjaman@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Fixes the microSD slot on the ASUS C201. Signed-off-by: Urja Rannikko --- v2: use #if CONFIG_IS_ENABLED(DM_REGULATOR) v3: Move ret variable inside the if block (only used there) --- drivers/mmc/dw_mmc.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 1992d61182..22f6c7eefd 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -13,6 +13,7 @@ #include #include #include +#include #define PAGE_SIZE 4096 @@ -493,6 +494,21 @@ static int dwmci_set_ios(struct mmc *mmc) if (host->clksel) host->clksel(host); +#if CONFIG_IS_ENABLED(DM_REGULATOR) + if (mmc->vqmmc_supply) { + int ret; + + if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180) + regulator_set_value(mmc->vqmmc_supply, 1800000); + else + regulator_set_value(mmc->vqmmc_supply, 3300000); + + ret = regulator_set_enable_if_allowed(mmc->vqmmc_supply, true); + if (ret) + return ret; + } +#endif + return 0; } -- 2.21.0