From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kever Yang Date: Mon, 25 Jul 2016 12:50:59 +0800 Subject: [U-Boot] [PATCH 2/2] mmc: rockchip: add clock init In-Reply-To: <1469422259-16952-1-git-send-email-kever.yang@rock-chips.com> References: <1469422259-16952-1-git-send-email-kever.yang@rock-chips.com> Message-ID: <1469422259-16952-3-git-send-email-kever.yang@rock-chips.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Signed-off-by: Kever Yang --- drivers/mmc/rockchip_sdhci.c | 10 +++++++++- include/configs/rk3399_common.h | 2 +- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c index 023c29b..a761a86 100644 --- a/drivers/mmc/rockchip_sdhci.c +++ b/drivers/mmc/rockchip_sdhci.c @@ -7,6 +7,7 @@ */ #include +#include #include #include #include @@ -32,15 +33,22 @@ static int arasan_sdhci_probe(struct udevice *dev) struct rockchip_sdhc_plat *plat = dev_get_platdata(dev); struct rockchip_sdhc *prv = dev_get_priv(dev); struct sdhci_host *host = &prv->host; + struct clk clk; int ret; u32 caps; host->version = sdhci_readw(host, SDHCI_HOST_VERSION); host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD; + ret = clk_get_by_index(dev, 0, &clk); + if (ret < 0) + debug("%s get clock fail\n", __func__); + + ret = clk_set_rate(&clk, CONFIG_ROCKCHIP_SDHCI_MAX_FREQ); + caps = sdhci_readl(host, SDHCI_CAPABILITIES); ret = sdhci_setup_cfg(&plat->cfg, dev->name, host->bus_width, - caps, CONFIG_ROCKCHIP_SDHCI_MAX_FREQ, EMMC_MIN_FREQ, + caps, ret, EMMC_MIN_FREQ, host->version, host->quirks, 0); host->mmc = &plat->mmc; diff --git a/include/configs/rk3399_common.h b/include/configs/rk3399_common.h index 6ce1aa7..eacbe4b 100644 --- a/include/configs/rk3399_common.h +++ b/include/configs/rk3399_common.h @@ -32,7 +32,7 @@ #define CONFIG_GENERIC_MMC #define CONFIG_SDHCI #define CONFIG_BOUNCE_BUFFER -#define CONFIG_ROCKCHIP_SDHCI_MAX_FREQ 200000000 +#define CONFIG_ROCKCHIP_SDHCI_MAX_FREQ (198*1000000) #define CONFIG_FAT_WRITE -- 1.9.1