[PATCH 12/15] pinctrl: sunxi: retrieve and enable PL clk gate for A31 SoC

Boris BREZILLON boris.brezillon at free-electrons.com
Wed Apr 9 06:51:15 PDT 2014


Retrieve and enable the clock gate related to PL pins.

Signed-off-by: Boris BREZILLON <boris.brezillon at free-electrons.com>
---
 drivers/pinctrl/pinctrl-sunxi.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index 64dffc8..da76ceb 100644
--- a/drivers/pinctrl/pinctrl-sunxi.c
+++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -898,6 +898,13 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
 			return -ENOMEM;
 
 		pctl->get_membase = sun6i_a31_pinctrl_get_membase;
+		clk = devm_clk_get(&pdev->dev, "pioL_clk");
+		if (IS_ERR(clk))
+			return PTR_ERR(clk);
+
+		ret = clk_prepare_enable(clk);
+		if (ret)
+			return ret;
 	} else {
 		pctl->get_membase = sunxi_pinctrl_get_membase;
 	}
-- 
1.8.3.2




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