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can: c_can: Adopt pinctrl support

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Adopt pinctrl support to c_can driver based on c_can device
pointer, pinctrl driver configure SoC pins to d_can mode
according to definitions provided in .dts file.

In device specific device tree file 'pinctrl-names = "default";'
and 'pinctrl-0 = <&d_can1_pins>;' needs to add to configure pins
from c_can driver. d_can1_pins node contains the pinmux/config
details of d_can L/H pins.

Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
AnilKumar Ch 2012-09-05 16:42:41 +05:30 committed by Marc Kleine-Budde
parent 8212003260
commit 006cd138fc
1 changed files with 7 additions and 0 deletions
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7
drivers/net/can/c_can/c_can_platform.c
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@ -32,6 +32,7 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_device.h> #include <linux/of_device.h>
#include <linux/pinctrl/consumer.h>
#include <linux/can/dev.h> #include <linux/can/dev.h>
@ -97,6 +98,7 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev)
struct c_can_priv *priv; struct c_can_priv *priv;
const struct of_device_id *match; const struct of_device_id *match;
const struct platform_device_id *id; const struct platform_device_id *id;
struct pinctrl *pinctrl;
struct resource *mem; struct resource *mem;
int irq; int irq;
struct clk *clk; struct clk *clk;
@ -113,6 +115,11 @@ static int __devinit c_can_plat_probe(struct platform_device *pdev)
id = platform_get_device_id(pdev); id = platform_get_device_id(pdev);
} }
pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
if (IS_ERR(pinctrl))
dev_warn(&pdev->dev,
"failed to configure pins from driver\n");
/* get the appropriate clk */ /* get the appropriate clk */
clk = clk_get(&pdev->dev, NULL); clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(clk)) { if (IS_ERR(clk)) {