Add parsing of common and driver-specific DT bindings to the tmio-mmc
MMC host driver.
Signed-off-by: Guennadi Liakhovetski <g.liakhovet...@gmx.de>
Cc: Arnd Bergmann <a...@arndb.de>
---
v3: remove the "toshiba,mmc-cap-sdio-irq" property
drivers/mmc/host/tmio_mmc_pio.c | 24 ++++++++++++++++++++++--
1 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index b25adb4..e32e9b4 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -918,6 +918,21 @@ static void tmio_mmc_init_ocr(struct tmio_mmc_host *host)
dev_warn(mmc_dev(mmc), "Platform OCR mask is ignored\n");
}
+static void tmio_mmc_of_parse(struct platform_device *pdev,
+ struct tmio_mmc_data *pdata)
+{
+ const struct device_node *np = pdev->dev.of_node;
+ if (!np)
+ return;
+
+ if (of_get_property(np, "toshiba,mmc-wrprotect-disable", NULL))
+ pdata->flags |= TMIO_MMC_WRPROTECT_DISABLE;
+ if (of_get_property(np, "toshiba,mmc-blksz-2bytes", NULL))
+ pdata->flags |= TMIO_MMC_BLKSZ_2BYTES;
+ if (of_get_property(np, "toshiba,mmc-has-idle-wait", NULL))
+ pdata->flags |= TMIO_MMC_HAS_IDLE_WAIT;
+}
+
int tmio_mmc_host_probe(struct tmio_mmc_host **host,
struct platform_device *pdev,
struct tmio_mmc_data *pdata)
@@ -928,6 +943,8 @@ int tmio_mmc_host_probe(struct tmio_mmc_host **host,
int ret;
u32 irq_mask = TMIO_MASK_CMD;
+ tmio_mmc_of_parse(pdev, pdata);
+
if (!(pdata->flags & TMIO_MMC_HAS_IDLE_WAIT))
pdata->write16_hook = NULL;
@@ -939,6 +956,8 @@ int tmio_mmc_host_probe(struct tmio_mmc_host **host,
if (!mmc)
return -ENOMEM;
+ mmc_of_parse(mmc);
+
pdata->dev = &pdev->dev;
_host = mmc_priv(mmc);
_host->pdata = pdata;
@@ -959,7 +978,7 @@ int tmio_mmc_host_probe(struct tmio_mmc_host **host,
}
mmc->ops = &tmio_mmc_ops;
- mmc->caps = MMC_CAP_4_BIT_DATA | pdata->capabilities;
+ mmc->caps |= MMC_CAP_4_BIT_DATA | pdata->capabilities;
mmc->caps2 = pdata->capabilities2;
mmc->max_segs = 32;
mmc->max_blk_size = 512;
@@ -971,7 +990,8 @@ int tmio_mmc_host_probe(struct tmio_mmc_host **host,
_host->native_hotplug = !(pdata->flags & TMIO_MMC_USE_GPIO_CD ||
mmc->caps & MMC_CAP_NEEDS_POLL ||
- mmc->caps & MMC_CAP_NONREMOVABLE);
+ mmc->caps & MMC_CAP_NONREMOVABLE ||
+ mmc->slot.cd_irq >= 0);
_host->power = false;
pm_runtime_enable(&pdev->dev);
--
1.7.2.5
--
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