From 950707c0eb5c7aeaa2c446a04c824f4be686d2f6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Emilio=20L=C3=B3pez?= Date: Fri, 22 Mar 2013 11:20:40 -0300 Subject: [PATCH] pinctrl: sunxi: add clock support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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: Emilio López Signed-off-by: Linus Walleij --- drivers/pinctrl/pinctrl-sunxi.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c index cb491d6ba601..617d351a0a44 100644 --- a/drivers/pinctrl/pinctrl-sunxi.c +++ b/drivers/pinctrl/pinctrl-sunxi.c @@ -11,6 +11,7 @@ */ #include +#include #include #include #include @@ -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; -- GitLab