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Commit 950707c0 authored by Emilio López's avatar Emilio López Committed by Linus Walleij
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pinctrl: sunxi: add clock support 



For the port controller to work, we need to enable the apb0_pio gate.
This commit adds the ability to enable one clock specified on the device
tree to the pinctrl driver.

Signed-off-by: default avatarEmilio López <emilio@elopez.com.ar>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 2afe8229

drivers/pinctrl/pinctrl-sunxi.c

+8 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
 */



#include <linux/io.h>

#include <linux/clk.h>

#include <linux/gpio.h>

#include <linux/module.h>

#include <linux/of.h>
@@ -1917,6 +1918,7 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev) 
	struct pinctrl_pin_desc *pins;

	struct sunxi_pinctrl *pctl;

	int i, ret, last_pin;

	struct clk *clk;



	pctl = devm_kzalloc(&pdev->dev, sizeof(*pctl), GFP_KERNEL);

	if (!pctl)
@@ -1987,6 +1989,12 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev) 
			goto gpiochip_error;

	}



	clk = devm_clk_get(&pdev->dev, NULL);

	if (IS_ERR(clk))

		goto gpiochip_error;



	clk_prepare_enable(clk);



	dev_info(&pdev->dev, "initialized sunXi PIO driver\n");



	return 0;