diff options
| author | Daniel Mack <zonque@gmail.com> | 2012-07-28 12:07:34 +0200 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-09-04 13:58:12 -0400 |
| commit | e6027b467cd5b117b9ae2957c197a7cda9f5b932 (patch) | |
| tree | 5677a2a81a71a700e360f1105aeb6e67ad58540d /drivers/mmc/host/pxamci.c | |
| parent | 75b53aee2f4fe6375c6007226bf68d75b5c4a929 (diff) | |
| download | blackbird-obmc-linux-e6027b467cd5b117b9ae2957c197a7cda9f5b932.tar.gz blackbird-obmc-linux-e6027b467cd5b117b9ae2957c197a7cda9f5b932.zip | |
mmc: pxa-mci: add DT bindings
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/pxamci.c')
| -rw-r--r-- | drivers/mmc/host/pxamci.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index cb2dc0e75ba7..11df8006d47e 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -30,6 +30,9 @@ #include <linux/regulator/consumer.h> #include <linux/gpio.h> #include <linux/gfp.h> +#include <linux/of.h> +#include <linux/of_gpio.h> +#include <linux/of_device.h> #include <asm/sizes.h> @@ -573,6 +576,50 @@ static irqreturn_t pxamci_detect_irq(int irq, void *devid) return IRQ_HANDLED; } +#ifdef CONFIG_OF +static const struct of_device_id pxa_mmc_dt_ids[] = { + { .compatible = "marvell,pxa-mmc" }, + { } +}; + +MODULE_DEVICE_TABLE(of, pxa_mmc_dt_ids); + +static int __devinit pxamci_of_init(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct pxamci_platform_data *pdata; + u32 tmp; + + if (!np) + return 0; + + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + pdata->gpio_card_detect = + of_get_named_gpio(np, "cd-gpios", 0); + pdata->gpio_card_ro = + of_get_named_gpio(np, "wp-gpios", 0); + + /* pxa-mmc specific */ + pdata->gpio_power = + of_get_named_gpio(np, "pxa-mmc,gpio-power", 0); + + if (of_property_read_u32(np, "pxa-mmc,detect-delay-ms", &tmp) == 0) + pdata->detect_delay_ms = tmp; + + pdev->dev.platform_data = pdata; + + return 0; +} +#else +static int __devinit pxamci_of_init(struct platform_device *pdev) +{ + return 0; +} +#endif + static int pxamci_probe(struct platform_device *pdev) { struct mmc_host *mmc; @@ -580,6 +627,10 @@ static int pxamci_probe(struct platform_device *pdev) struct resource *r, *dmarx, *dmatx; int ret, irq, gpio_cd = -1, gpio_ro = -1, gpio_power = -1; + ret = pxamci_of_init(pdev); + if (ret) + return ret; + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); if (!r || irq < 0) @@ -866,6 +917,7 @@ static struct platform_driver pxamci_driver = { .driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, + .of_match_table = of_match_ptr(pxa_mmc_dt_ids), #ifdef CONFIG_PM .pm = &pxamci_pm_ops, #endif |
