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Subject[PATCH 1/2] spi: omap2-mcspi: add pinctrl support
Date
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>
---
drivers/spi/spi-omap2-mcspi.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index b2fb141..6c67cdb 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -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>

@@ -1124,6 +1126,7 @@ 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) {
@@ -1219,6 +1222,12 @@ 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)) {
+ status = PTR_ERR(pinctrl);
+ goto dma_chnl_free;
+ }
+
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, SPI_AUTOSUSPEND_TIMEOUT);
pm_runtime_enable(&pdev->dev);
--
1.7.9.5


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