On 5/10/21 3:32 PM, Masami Hiramatsu wrote:
From: Jassi Brar jaswinder.singh@linaro.org
Signed-off-by: Jassi Brar jaswinder.singh@linaro.org Signed-off-by: Masami Hiramatsu masami.hiramatsu@linaro.org
Reviewed-by: Jaehoon Chung jh80.chung@samsung.com
Best Regards, Jaehoon Chung
Changes in v3:
- Rename config name to MMC_SDHCI_F_SDH30.
- Remove unneeded wait in drivers/mmc/sdhci.c.
- Rename probe function to f_sdh30_sdhci_probe.
drivers/mmc/Kconfig | 10 ++++++ drivers/mmc/Makefile | 1 + drivers/mmc/f_sdh30.c | 81 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 92 insertions(+) create mode 100644 drivers/mmc/f_sdh30.c
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index f4ad1db45d..026b6f7d24 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -559,6 +559,16 @@ config MMC_SDHCI_IPROC
If unsure, say N.+config MMC_SDHCI_F_SDH30
- bool "SDHCI support for Fujitsu Semiconductor F_SDH30"
- depends on BLK && DM_MMC
- depends on MMC_SDHCI
- help
This selects the Secure Digital Host Controller Interface (SDHCI)Needed by some Fujitsu SoC for MMC / SD / SDIO support.If you have a controller with this interface, say Y or M here.If unsure, say N.config MMC_SDHCI_KONA bool "SDHCI support on Broadcom KONA platform" depends on MMC_SDHCI diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 89d6af3db3..f5fd59093e 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -76,3 +76,4 @@ obj-$(CONFIG_MMC_UNIPHIER) += tmio-common.o uniphier-sd.o obj-$(CONFIG_RENESAS_SDHI) += tmio-common.o renesas-sdhi.o obj-$(CONFIG_MMC_BCM2835) += bcm2835_sdhost.o obj-$(CONFIG_MMC_MTK) += mtk-sd.o +obj-$(CONFIG_MMC_SDHCI_F_SDH30) += f_sdh30.o diff --git a/drivers/mmc/f_sdh30.c b/drivers/mmc/f_sdh30.c new file mode 100644 index 0000000000..3a85d9e348 --- /dev/null +++ b/drivers/mmc/f_sdh30.c @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0+ +/*
- Socionext F_SDH30 eMMC driver
- Copyright 2021 Linaro Ltd.
- Copyright 2021 Socionext, Inc.
- */
+#include <common.h> +#include <clk.h> +#include <dm.h> +#include <malloc.h> +#include <sdhci.h>
+struct f_sdh30_plat {
- struct mmc_config cfg;
- struct mmc mmc;
+};
+DECLARE_GLOBAL_DATA_PTR;
+static int f_sdh30_sdhci_probe(struct udevice *dev) +{
- struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
- struct f_sdh30_plat *plat = dev_get_plat(dev);
- struct sdhci_host *host = dev_get_priv(dev);
- int ret;
- ret = mmc_of_parse(dev, &plat->cfg);
- if (ret)
return ret;- host->mmc = &plat->mmc;
- host->mmc->dev = dev;
- host->mmc->priv = host;
- ret = sdhci_setup_cfg(&plat->cfg, host, 200000000, 400000);
- if (ret)
return ret;- upriv->mmc = host->mmc;
- mmc_set_clock(host->mmc, host->mmc->cfg->f_min, MMC_CLK_ENABLE);
- return sdhci_probe(dev);
+}
+static int f_sdh30_of_to_plat(struct udevice *dev) +{
- struct sdhci_host *host = dev_get_priv(dev);
- host->name = strdup(dev->name);
- host->ioaddr = dev_read_addr_ptr(dev);
- host->bus_width = dev_read_u32_default(dev, "bus-width", 4);
- host->index = dev_read_u32_default(dev, "index", 0);
- return 0;
+}
+static int f_sdh30_bind(struct udevice *dev) +{
- struct f_sdh30_plat *plat = dev_get_plat(dev);
- return sdhci_bind(dev, &plat->mmc, &plat->cfg);
+}
+static const struct udevice_id f_sdh30_mmc_ids[] = {
- { .compatible = "fujitsu,mb86s70-sdhci-3.0" },
- { }
+};
+U_BOOT_DRIVER(f_sdh30_drv) = {
- .name = "f_sdh30_sdhci",
- .id = UCLASS_MMC,
- .of_match = f_sdh30_mmc_ids,
- .of_to_plat = f_sdh30_of_to_plat,
- .ops = &sdhci_ops,
- .bind = f_sdh30_bind,
- .probe = f_sdh30_sdhci_probe,
- .priv_auto = sizeof(struct sdhci_host),
- .plat_auto = sizeof(struct f_sdh30_plat),
+};