mmc: tmio-mmc: parse device-tree bindings
Add parsing of common and driver-specific DT bindings to the tmio-mmc
MMC host driver and the sh_mobile_sdhi interface layer.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index b25adb4..e5b3fcf 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -918,6 +918,17 @@
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;
+}
+
int tmio_mmc_host_probe(struct tmio_mmc_host **host,
struct platform_device *pdev,
struct tmio_mmc_data *pdata)
@@ -928,6 +939,8 @@
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 +952,8 @@
if (!mmc)
return -ENOMEM;
+ mmc_of_parse(mmc);
+
pdata->dev = &pdev->dev;
_host = mmc_priv(mmc);
_host->pdata = pdata;
@@ -959,7 +974,7 @@
}
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 +986,8 @@
_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);