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spi: omap2-mcspi: add pinctrl support 

Adds pinctrl support to support OMAP platforms that boot from DT
and rely on pinctrl support to set pinmuxes.

Signed-off-by: Matt Porter <mporter@ti.com>
Acked-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Matt Porter 2012-09-18 08:01:25 -04:00 committed by Mark Brown
parent 4f5e1b3708
commit ec155afa82
1 changed files with 8 additions and 0 deletions
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8
drivers/spi/spi-omap2-mcspi.c
View File

@ -38,6 +38,8 @@
#include <linux/pm_runtime.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pinctrl/consumer.h>
#include <linux/err.h>
#include <linux/spi/spi.h>
@ -1148,6 +1150,7 @@ static int __devinit omap2_mcspi_probe(struct platform_device *pdev)
static int bus_num = 1;
struct device_node *node = pdev->dev.of_node;
const struct of_device_id *match;
struct pinctrl *pinctrl;
master = spi_alloc_master(&pdev->dev, sizeof *mcspi);
if (master == NULL) {
@ -1243,6 +1246,11 @@ static int __devinit omap2_mcspi_probe(struct platform_device *pdev)
if (status < 0)
goto dma_chnl_free;
pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
if (IS_ERR(pinctrl))
dev_warn(&pdev->dev,
"pins are not configured from the driver\n");
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, SPI_AUTOSUSPEND_TIMEOUT);
pm_runtime_enable(&pdev->dev);