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[84.240.79.214]) by smtp.gmail.com with ESMTPSA id p6sm9143790wrt.4.2019.04.01.10.44.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 01 Apr 2019 10:44:45 -0700 (PDT) From: Urja Rannikko To: u-boot@lists.denx.de Date: Mon, 1 Apr 2019 17:44:22 +0000 Message-Id: <20190401174422.10834-1-urjaman@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190322191436.6268-5-urjaman@gmail.com> References: <20190322191436.6268-5-urjaman@gmail.com> MIME-Version: 1.0 Subject: [U-Boot] [PATCH v2] dw_mmc: turn on the IO supply X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Fixes the microSD slot on the ASUS C201. Signed-off-by: Urja Rannikko --- v2: use #if CONFIG_IS_ENABLED(DM_REGULATOR) - drivers/mmc/dw_mmc.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 93a836eac3..b04c1f9f41 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 @@ -440,6 +441,7 @@ static int dwmci_set_ios(struct mmc *mmc) #endif struct dwmci_host *host = (struct dwmci_host *)mmc->priv; u32 ctype, regs; + int ret; debug("Buswidth = %d, clock: %d\n", mmc->bus_width, mmc->clock); @@ -469,6 +471,19 @@ static int dwmci_set_ios(struct mmc *mmc) if (host->clksel) host->clksel(host); +#if CONFIG_IS_ENABLED(DM_REGULATOR) + if (mmc->vqmmc_supply) { + 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; }